200 Lead Developer jobs in Ireland

Base Location: Dublin and Reading

Salary: £69,105 - £1,406 / €65,300 - €97,900 and a range of other benefits to support your family, finances and wellbeing.

Working Pattern: Permanent | Full Time | Flexible First options available

The Role:

As a Lead Developer within the Airtricity Digital Web Platform team, you will collaborate with fellow developers using Agile methodologies to digitise SSE Airtricity's web and mobile solutions, lead API rewrites, and support AI integration. This role blends technical leadership with people management responsibilities.

You Will:

• Line-manage a team of developers, providing guidance, support, and performance feedback.
• Deliver scalable solutions by designing, developing, and implementing complex software systems including API rewrites, Azure AD B2B integrations, and identity frameworks for web and mobile platforms ensuring adherence to coding standards and best practices.
• Drive AI integration by identifying use cases, selecting appropriate Azure AI services (e.g., Azure OpenAI, Cognitive Services), and collaborating with stakeholders to prototype, and implement intelligent features such as chatbots, predictive analytics, or smart search.
• Collaborate across teams by working closely with Product Owners, Delivery Leads, and stakeholders to align technical solutions with business goals, and by participating in code reviews and architectural discussions.
• Possess experience establishing and maintaining coding standards, best practices, and architectural patterns, while mentoring junior team members. Prior team leadership experience is preferred.

You have:

• Proven experience leading development teams, with expertise in building robust and scalable applications using .NET Core, C#.NET, RESTful APIs, JWT, OAuth 2.0, OpenID, Azure AD B2C (Customer Identity and Access Management), GraphQL, Blazor, and object-oriented programming. A degree in Computer Science, Information Technology, or a related field (or equivalent experience) is preferred.
• A strong .NET development background with a focus on Microsoft Azure cloud services, including serverless solutions using Azure Functions, integration orchestration with Azure Service Bus and Logic Apps, and CI/CD automation via Azure DevOps.
• Hands-on experience integrating AI services into enterprise applications, particularly using Microsoft Azure AI tools such as Azure OpenAI, Cognitive Services, or Machine Learning Studio.
• Demonstrated ability to design and develop scalable cloud-based applications, with a solid understanding of Agile/Scrum methodologies and database systems (SQL and NoSQL). Azure certification is a plus.
• Excellent problem-solving, analytical, communication, and interpersonal skills, with experience establishing and maintaining coding standards, best practices, and architectural patterns, while mentoring junior team members. Prior team leadership experience is preferred.

About SSE

SSE has a bold ambition – to be a leading energy company in a net zero world. We're investing around £10 mi ion a day in homegrown energy to help power a cleaner, more secure future. Our investment will see us build the world's largest offshore wind farm and transform the grid to deliver greener electricity to millions.

Our IT division powers growth across all SSE business areas by making sure we have the systems, software and security needed to take the lead in a low carbon world. They provide expertise, advice and day-to-day support in emerging technologies, data and analytics, cyber security and more.

Flexible benefits to fit your life

Enjoy discounts on private healthcare and gym memberships. Wellbeing benefits like a free online GP and 24/7 counselling service. Interest-free loans on tech and transport season tickets, or a new bike with our Cycle to Work scheme. As well as generous family entitlements such as maternity and adoption pay, and paternity leave.

Work with an equal opportunity employer

SSE will make any reasonable adjustments you need to ensure that your application and experience with us is positive. Please contact / to discuss how we can support you.

We're dedicated to fostering an open and inclusive workplace where people from all backgrounds can thrive. We create equal opportunities for everyone to succeed and especially welcome applications from those who may not be well represented in our workforce or industry.

Ready to apply?

Start your online application using the Apply Now box on this page. We only accept applications made online. We'll be in touch after the closing date to let you know if we'll be taking your application further. If you're offered a role with SSE, you'll need to complete a criminality check and a credit check before you start work.

By Joining Citi, you will become part of a global organisation whose mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress.

Team/Role Overview
This role leads an experienced engineering team to implement new or revised application systems in coordination with the Issuer Services Technology team.

The Issuer Services business has aggressive business growth goals for the next 3-5 years and has made considerable additional investments in Technology, including quadrupling the size of the technology organization during the past few years. This role is critical to ensure our project oversight and delivery of solutions to the Operations and the Front Office businesses are best in class and scalable to continue supporting growth within the business and our internal technology organization.

What You'll Do
An ideal candidate has a passion for leadership with a strong capability in leading and directing our development teams. S/he is a senior hands-on technical lead with proven track record leading engineering teams and managing projects with acute awareness and accountability for financial and risk related objectives. S/he has strong technical and architectural skills and proactively contributes to the new technical vision and engineering best practices.

• You should be hands on with strong analytical and technical ability with 5+ years of experience. An additional 3-4 years involved with complex medium to large projects in a dynamic financial environment is desirable.
• Willing to learn new techniques, particularly, low code platforms like Appian
• There is a requirement to lead day to day delivery work and clearly set out a strategic architectural vision and identify project/program delivery risks and work on risk mitigation.
• You should have good analytical skills to filter, prioritize and validate potentially complex material from multiple sources and employs skills and knowledge of the business to develop creative solutions to meet client and business needs.
• You will be required to work on complex and variable issues with significant potential impact, weighing various alternatives and stabilizing potentially conflicting needs.
• Consider budget implications and make appropriate strategic decisions to reduce Citi's risk exposure.

What we'll need from you:

• Experience of Java, JavaScript/Angular
• Experience in Appian is a plus
• Provide strategic influence and exercise control over resources, budget management and planning while monitoring delivery and end results
• Manage staff and vendors/contractors to accomplish established goals and conduct personnel duties for team (e.g., performance evaluations, career guidance/mentoring, hiring and disciplinary actions)
• End to end staff and delivery management for several of the most critical application platforms utilized by Issuer Services
• Drive the strategic recombination of platforms and applications to align with Digital First and future state objectives
• Confirmed experience of crafting and delivering successful complex solutions in an enterprise production environment.
• Experience in working on multiple technologies and medium to complex systems, well versed with design standards and framework.
• Superb communication, great verbal and written skills and ability to learn fast.
• Ability to work in a demanding and fast paced environment. Hard-working and highly motivated individual.
• Self-starter who is passionate for learning about new tools and technologies; Ability to work both independently, with other team members, and across teams.
• Experience with Agile and all aspects of the SDLC, and DevOps processes
• Experience with Spring / ORM framework, and database
• Bachelor's degree/University degree or equivalent experience, preferably in a Computer Science or related field.

What We Can Offer You
By joining Citi Dublin, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed) and enjoy a whole host of additional benefits that support you (and your family) to be well, live well and save well. Discover more here.

Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self every day. We want the best talent around the world to be energised to join us, motivated to stay, and empowered to thrive.

Job Family Group:
Technology

Job Family:
Applications Development

Time Type:
Full time

Most Relevant Skills
Please see the requirements listed above.

Other Relevant Skills
For complementary skills, please see above and/or contact the recruiter.

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.
If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review
Accessibility at Citi.
View Citi's EEO Policy Statement and the Know Your Rights poster.

If you need support in completing the application or if you require a different format of this document, please get in touch with us at with the subject line: "Application Support Request".

Job Type: Permanent

Location: Letterkenny, Co. Donegal – Hybrid, 2 - 3 days per week in office

Can you drive technical direction as an SME?

Ready to join a leading IT consultancy where you will the autonomy to shape your career?

Make a meaningful impact as a
Senior Lead Developer
at TCS

Join a global tech leader right here in Donegal. TCS is a purpose-led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful difference to the people and communities they serve. With over 850 employees and a state-of-the-art global delivery centre, we're proud to offer world-class career opportunities without having to leave the Northwest. Recognised as Workplace of the Year by the Letterkenny Chamber, we foster a culture of continuous learning, innovation, and respect. Our people are at the heart of everything we do – collaborating across teams, geographies, and disciplines to drive real change for clients around the world. Be part of something global, grounded in Donegal.

TCS is a purpose-led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful difference to the people and communities they serve - our clients include some of the biggest brands in the UK and worldwide. For you, it means more to make an impact that matters, through challenging projects which demand ambitious innovation and thought leadership.

• Collaborate with leading lights of industry
• Gain access to endless learning opportunities
• Shape the future of TCS

The Role

We are seeking a
Senior Lead Developer
with deep expertise in application and back-end development with a passion for building innovative solutions. This is an exciting opportunity to work on industry-leading products and platforms, where you'll design, develop, and maintain robust, scalable systems that power transformative digital experiences.

If you thrive in dynamic environments and are eager to shape the future of enterprise technology, join us to make a meaningful impact through your technical leadership and ambition
.

Key Pillars:

Back End Focus: The role focuses on server-side logic, database management, API development, and integration with front-end components, ensuring high performance and reliability for enterprise applications.

Technical Breadth: Candidates should demonstrate mastery in languages such as Scala, Java and cloud platforms like AWS, with a proven track record in scaling systems and driving architectural decisions.

Innovative Solutions: The position supports the development of cutting-edge products and platforms, fostering a culture of innovation and continuous
improvement.

Outline of Responsibilities:

• Design and build high-performance, stable, scalable systems that will be deployed in an enterprise setting.
• Contribute to high-level architecture discussions and planning sessions.
• Collaborate with cross-functional teams of engineers, product managers, and designers.
• Build scalable, performant, and resilient backend systems that support critical business needs.
• Participate in system design and architecture reviews to influence technical direction.
• Drive software quality through code reviews, testing, and continuous integration.
• Contribute to a positive and inclusive engineering culture through mentorship, knowledge sharing, and leadership at your level.
• Investigate and resolve complex technical issues in production environments.
• Author and review technical design documents, RFCs, and root cause analyses.
• Continuously learn and grow in your engineering craft and domain knowledge.
• Participate in an on-call rotation to ensure swift resolution of any production outages involving your systems.

Your Profile

Key skills/knowledge/experience:

• Primary tech stack -
  Scala, Java, AWS experience
• Extensive in-depth professional experience.
• Strong understanding of engineering software processes, lifecycle methodology, configuration management, release management, and system verification and testing.
• Ability to work independently and oversee entire projects or significant parts, focusing on completing the tasks on time.
• Recognised technical authority with the ability to influence system architecture across teams or domains.
• Ability to lead the development team.
• Track record of delivering high-impact projects with significant architectural ownership.
• Extensive experience scaling systems to handle high throughput and low latency.
• Strong ability to mentor, elevate peers, and lead cross-team technical initiatives.
• Proven experience driving quality, reliability, and operational excellence at scale.
• Strategic thinking with the ability to align technical direction with company goals.
• Thought leadership in areas like distributed systems, functional programming, or cloud-native architecture.

Desirable skills/knowledge/experience:

• Secondary tech stack -
  Solid experience in Golang, Python
• Deep operational knowledge of AWS, including cost-aware system design.
• Contributions to engineering culture, hiring, or organisational development.

Rewards & Benefits

TCS is consistently voted a Top Employer in the UK and globally. Our competitive salary packages feature pension, health care, life assurance, laptop and access to extensive training resources and discounts within the larger Tata network.

We offer health & wellness initiatives and sports events; we are the proud sponsor of the London Marathon and partner with our local communities in Ireland.

Diversity, Inclusion and Wellbeing

Tata Consultancy Services UK&I is committed to meeting the accessibility needs of all individuals in accordance with the Ireland Employment Equality Acts as amended) and the Equal Status Acts as amended).

We welcome and embrace diversity in race, nationality, ethnicity, disability, neurodiversity, gender identity, age, physical ability, gender reassignment, sexual orientation. We are a disability inclusive employer and encourage disabled people to apply for this role.

As a Disability Confident Employer, we offer an interview to applicants with disabilities or long-term conditions who meet the minimum criteria for the role.

Please email us at

if you would like to opt in.

If you are an applicant who needs any adjustments to the application process or interview, please contact us at
with the subject line: "Adjustment Request" or email

to request an adjustment. We welcome requests prior to you completing the application and at any stage of the recruitment process.

Beware of Fraudulent offers

This is to notify you that TCS does not ask for any sort of payment or security deposit from candidates at any stage of the recruitment process. The firm never sends out job offers from free internet email services like Gmail, Yahoo Mail, and so on. TCS has not authorised any third-party company to collect money on their behalf. As a vigilant job seeker, beware of fraudulent recruitment activity and protect your interests You can write to to report any fraudulent activity.

Due to the high volume of applications, we will be unable to contact each applicant individually on the status of their application. If you have not received a direct response within 30 days, then it should be deemed unsuccessful on this occasion.

Join us and do more of what matters. Apply online now.

eir evo talent
are currently seeking applicants for a
Senior Lead Developer (Scala).
This is a
permanent
position located with our client in
Dublin.
In this role, you'll be part of a team delivering
industry-leading digital products and platforms
, helping to design, develop, and maintain systems that power transformative enterprise experiences. If you thrive in dynamic environments and want to help shape the future of enterprise technology, this is your opportunity to make a tangible impact through technical leadership and innovation.

What You'll Do

• Design, build, and maintain scalable, resilient, and performant backend systems.
• Collaborate with cross-functional teams of engineers, product managers, and designers.
• Participate in architecture and system design reviews, influencing technical direction.
• Drive software quality through clean code, robust testing, and continuous integration.
• Investigate and resolve complex technical issues in production environments.
• Write and review technical design documents, RFCs, and root cause analyses.
• Mentor and support team members, fostering an inclusive and high-performing engineering culture.
• Contribute to continuous improvement, innovation, and technical excellence across the organization.

About You

• 7+ years
  of professional experience in software engineering or back-end development.
• Expert in Scala
  (primary language), with strong experience in
  Java
  and
  AWS
  .
• Proven track record of delivering complex, high-impact projects with significant architectural ownership.
• Recognized technical authority capable of influencing system architecture across teams or domains.
• Deep experience designing and scaling systems for
  high throughput and low latency
  .
• Skilled mentor with the ability to elevate peers and lead cross-team initiatives.
• Strong advocate for quality, reliability, and operational excellence.
• Strategic thinker who aligns technical vision with broader company goals.
• Demonstrated thought leadership in areas such as
  distributed systems
  ,
  functional programming
  , or
  cloud-native architecture
  .

Nice to Have

• Experience with
  Golang
  or
  Python
  .
• Deep operational knowledge of AWS, including
  cost-aware system design
  .
• Contributions to engineering culture, open source projects, or organizational development.

Why Join Us

• Work with exceptional engineers on products that make a real-world impact.
• Shape the architecture and direction of complex, mission-critical systems.
• Collaborate in a culture that values curiosity, autonomy, and innovation.
• Competitive compensation and benefits package.

For more information please apply here or contact
Niall Moloney/
niall(dot)moloneyeirevo(dot)ie

Ref:
EET7609

Candidates must be eligible to work full time and long term in the location specified or currently hold a valid appropriate long term work Visa to apply.

eir evo talent, eir evo and our clients are equal opportunity employers who seeks to recruit and appoint the best available person for a job regardless of marital / civil partnership status, sex (including pregnancy), age, religion, belief, race, nationality and ethnic or national origin, colour, sexual orientation or disability. eir evo talent, eir evo and our clients apply all relevant Data Protection laws when processing your Personal Data.

If you choose to apply to this opportunity and share your CV or other personal information with eir evo talent, eir evo and our clients, these details will be held by us in accordance with our privacy policy used by our recruitment team to contact you regarding this or other relevant opportunities at eir evo talent and eir evo

Overview
Quest Software is on the lookout for a Senior/Lead SaaS Software Developer to join their vibrant On Demand team in Cork, Ireland. As part of the Platform Management Group, you'll be at the cutting edge of technology, developing cloud-native SaaS solutions with the latest tools and coding environments.

In this role, you'll thrive in a highly agile SCRUM team, focusing on creating innovative cloud-based products on the Microsoft Azure platform. If you have a strong background in cloud and backend development and are passionate about working with the latest technologies, this is your chance to make a significant impact

Are you ready to elevate your career and be part of a team that's driving the future of cloud technology?

Responsibilities

• You will be in important part of a R&D team building serverless cloud native SaaS solutions using the latest technologies in the Microsoft Azure platform
• You will build commercial products that work across numerous Microsoft technologies including Entra ID, Microsoft 365, Active Directory, Exchange, SharePoint, etc.
• You will be a member of an agile SCRUM team and be motivated to produce high quality code that meets business requirements
• You will take on design activities for components and lead ownership of their success

Required
Qualifications

• You should possess a computer science undergraduate degree or equivalent
• You should have a minimum of 8 years' experience working in software development
• You should have a strong working experience with C#/.NET Core or PowerShell
• You should have experience in writing quality code with techniques such as unit testing, mocking, automation, integration testing, and code coverage
• You should have a good understanding of modern software practices including design patterns, SOLID principles, coding standards, and agile software development practices.
• You should be able to work within a microservice architecture
• You should have a solid understanding of building scalable web applications using Web API, RESTful API design
• You should have experience working with Azure Functions, Docker, Kubernetes & AKS
• You should have experience with any of the Azure Stack, Entra ID, Azure PaaS
• You should have experience of serverless development using Azure Functions, AWS Lambda, or Containers.
• You should have experience building Cloud Native applications using Azure or AWS using PaaS services
• You should have experience working with NoSQL databases such as Cosmos DB and relational databases such as SQL or Azure Data Explorer
• You should have developed and maintained CD/CI pipelines for build and deployment of services and components using Azure DevOps (preferred), Jenkins, or similar systems.
• You should be able to produce and document designs and specifications for new features and services
• You should have experience working with multiple agile development teams across different time zones
• You should possess excellent verbal and written communication skills
• You should have good interpersonal skills and ability to work well in a team environment

Nice To Have

• Proficiency in Python
• Frontend development using frameworks such as Angular (preferred), React or VueJS
• Development experience with AI frameworks, models and technologies such OpenAI
• Experience using AI coding assistant GitHub Copilot
• Proficiency in PowerShell, ARM Templates or Terraform
• Experience with claims-based authentication (SAML/OAuth/OIDC), JWT, MFA, and RBAC
• Secure Web Development Practices including OWASP and SANS Top 25
• Experience with DAPR (Distributed Application Runtime)

Company Overview
Quest Software builds the foundation for enterprise AI with solutions in
data governance, cybersecurity, and platform modernization
. More than 45,000 companies — including 90% of the Fortune 500 — trust Quest to solve their most critical IT challenges. From securing identities and modernizing platforms to preparing data for AI, we help enterprises unlock their full potential.

Why Quest
At Quest, Your Work Makes An Impact. You'll Help Organizations Get AI-ready While Building Your Career With a Global Team Of Innovators. We Offer

• Competitive pay, annual bonuses, and top-performer recognition.
• Comprehensive health, family, and retirement benefits.
• Flexible work options, generous PTO, and wellness programs.
• Professional growth through learning platforms, mentorship, and leadership programs.
• Inclusive teams that reflect the world we serve, supported by Employee Resource Groups and our Equality & Inclusion Council.

Our Purpose
Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.
Title And Summary
Lead React Developer

Overview
Mastercard Developers ) is the single platform for Mastercard partners to access a diverse range of payment, data, loyalty, and security APIs. The team is responsible for delivering an experience that ensures developers can quickly find the right API, assess its technical capabilities and integrate it into new and innovative solutions. Mastercard Developers is looking for a versatile and customer-obsessed Software Developer to join our team. You will play a key role in designing and developing next-generation products and services in Mastercard for a global audience.

• Would you enjoy collaborating with your team to design new features and solutions in an evolving Enterprise environment?
• Do you have a strong background in developing and delivering highly intuitive and responsive frontend solutions?
• Are you passionate about delivering high-quality, high-performing and highly extensible software?
• Are you as excited about the value of what you design and build for your customers as you are about the journey to deliver it?
• Do you want to be part of one of the most exciting global initiatives in Mastercard right now?
• Do you value a workplace where diverse opinions and inclusivity are considered important?

Role

• Lead planning, design and implementation of technical solutions for global customers (internal and external).
• Design, build, roll out, and maintain UI components and patterns that will be used with multiple teams.
• Continually ideate, scope, develop, deliver, test and iterate features for the constantly evolving and growing API Platform.
• Contribute to Mastercard Open Source projects.
• Ensure appropriate levels of automation are adopted (build, deploy, configure, validate, monitor).
• Teach and mentor junior engineers and other team members. As an SME on frontend technologies, teams will look up to you for guidance.
• Liaise with other global technology, storage, and operations teams to execute.
• Act as subject matter expert for API Platform and services to support customer integrations on occasion

All About You

• 8+ years professional, hands-on, frontend application development experience.
• Expert React ES6 Javascript and Typescript skills including areas of functional and asynchronous programming.
• Expert CSS development knowledge and experience with both native and using frameworks e.g. bootstrap, tailwind, mui, etc.
• Strong working knowledge of , NPM, Webpack and Jest.
• Knowledge of NextJS, Jamstack (Hugo) is preferred.
• Demonstrable experience in building interactive web applications with polished, good looking, consistent, responsive and accessible UI/UX.
• Proven track record in web application development.
• Strong fundamentals of working with APIs.
• You care about the technical architecture and design - ensuring that the solution is flexibly designed and performs efficiently.
• Experienced working in an Agile environment with a global team that makes frequent production releases.
• Background in Dev/Ops a distinct advantage.
• Background in automation a distinct advantage.

Corporate Security Responsibility
All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

• Abide by Mastercard's security policies and practices;
• Ensure the confidentiality and integrity of the information being accessed;
• Report any suspected information security violation or breach, and
• Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.

WELCOME TO
SITA

At SITA, we keep airports moving, airlines flying smoothly, and borders open. Our technology and communication innovations power the success of the global air travel industry.

You'll find us in 95% of international airports, working closely with over 2,500 transportation and government clients. Each partnership brings unique challenges, and we thrive on delivering fresh solutions and cutting-edge tech to keep operations running like clockwork. We don't just move the world forward—we're proud to be recognized as a
Great Place to Work
by our employees and certified in most of our growing locations. Here, we feel empowered, supported, and inspired to grow.

Are you ready to love your job?

The adventure begins right here, with you, at SITA.

ABOUT THE ROLE & TEAM

As a Lead Software Developer and Technology Owner, you will lead an established team in developing scalable, secure, and high-performance enterprise applications. You will oversee the complete lifecycle of both hosted and customer-deployed solutions, ensuring they adhere to robust architectural principles, incorporate modern design elements, and feature seamless cloud integration. Collaboration with business stakeholders and the portfolio architect will be key to clarifying requirements and defining the solution scope. Additionally, you will establish initial solutions to address these requirements and work closely with the Portfolio Architect and domain experts to guarantee alignment with architectural strategy and organizational policies. This role involves partnering with distributed teams across various locations and time zones to deliver innovative products and services that advance our organization's strategic objectives.

WHAT YOU WILL DO:

• Collaborate the Portfolio Architect and team to design, develop, and maintain scalable back-end applications and services using Java.
• Lead team efforts to modernize legacy systems to make them cloud native.
• Lead team effort to build and enhance cloud-native applications leveraging the Azure technology stack, such as Azure Functions, App Services, Azure SQL, and Cosmos DB.
• Lead team effort to maintain and improve a C-based integration platform.
• Lead team effort to develop modern, responsive user interfaces using ReactJS and TypeScript.
• Lead team effort to write and maintain automated integration, regression, and performance test suites for both back-end and front-end applications.
• Collaborate with cross-functional and distributed teams to translate business requirements into technical solutions.
• Lead team efforts to ensure application performance, quality, and security through best practices and rigorous code reviews.
• Troubleshoot and resolve complex issues across the full software stack to ensure system reliability and availability.
• Mentor junior developers, providing guidance and fostering technical growth within the team.
• Stay current on emerging technologies and contribute innovative ideas to improve products and processes.

WHO YOU ARE:

• Bachelor's or Master's degree in Computer Science, Engineering, or related field, or equivalent work experience.
• 8+ years of experience in Object-Oriented Programming (OOP).
• Expertise in secure coding practices and application security fundamentals.
• Expertise building back-end applications using Java and Spring Boot.
• Experience developing modern web applications with ReactJS and TypeScript.
• Experience designing and deploying cloud-native applications on Azure.
• Experience with relational and NoSQL database technologies.
• Experience working with message queue technologies (JMS, AMQP, etc.) for efficient communication between distributed systems.
• Solid understanding of RESTful APIs, microservices architecture, and containerization (Docker, Kubernetes on Azure).

NICE-TO-HAVE:

• Experience with CI/CD pipelines and infrastructure as code using Azure DevOps.
• Experience with Kubernetes.
• Experience with working in teams who employed Agile/Scrum methodologies.
• Experience working with both Linux and Windows operating systems.
• Knowledge of C, including maintenance of legacy codebases
• Knowledge of monitoring, logging, and observability tools available within Azure.
• Knowledge of state management in React applications.
• Familiarity with the Strangler Fig pattern for incrementally replacing legacy systems.

WHAT WE OFFER

We're all about diversity. We operate in 200 countries and speak 60 different languages and cultures. We're really proud of our inclusive environment. Our offices are comfortable and fun places to work, and we make sure you get to work from home too. Find out what it's like to join our team and take a step closer to your best life ever.

Flex Week:
Work from home up to 2 days/week (depending on your team's needs)

Flex Day:
Make your workday suit your life and plans.

Flex Location:
Take up to 30 days a year to work from any location in the world.

Employee Wellbeing:
We've got you covered with our Employee Assistance Program (EAP), for you and your dependents 24/7, 365 days/year. We also offer Champion Health - a personalized platform that supports a range of wellbeing needs.

Professional Development
: Level up your skills with our training platforms, including LinkedIn Learning

Competitive Benefits

: Competitive benefits that make sense with both your local market and employment status. 

SITA is an Equal Opportunity Employer. We value a diverse workforce. In support of our Employment Equity Program, we encourage women, aboriginal people, members of visible minorities, and/or persons with disabilities to apply and self-identify in the application process.

Our client is seeking an
experienced Lead Java Developer
to spearhead a new development team. This is an opportunity to take ownership of high-impact projects, drive technical direction, and shape the future of enterprise-scale digital platforms.

You'll design, build, and maintain robust, scalable systems that power next-generation digital experiences. Working closely with cross-functional teams, you'll play a key role in architectural decision-making, system performance, and fostering a culture of engineering excellence.

If you're passionate about solving complex problems, thrive in dynamic environments, and want to make a tangible impact through leadership and innovation, we'd love to hear from you.

Key Responsibilities

• Lead and mentor
  a team of skilled developers, fostering collaboration, innovation, and continuous improvement.
• Design and implement
  high-performance, scalable backend systems for enterprise deployment.
• Drive architectural discussions
  , shaping technical strategy and influencing system design across teams.
• Collaborate
  with product managers, designers, and engineers to deliver impactful, reliable solutions.
• Develop and maintain APIs
  , server-side logic, and database integrations to ensure stability and performance.
• Champion software quality
  through code reviews, testing, and CI/CD best practices.
• Investigate and resolve
  complex production issues and participate in on-call rotations as needed.
• Contribute to documentation
  (design docs, RFCs, root cause analyses) and promote engineering best practices.
• Lead by example
  , mentoring peers and driving an inclusive, growth-oriented team culture.

Experience & Skills

• 10+ years of software development experience
  , including at least several years in a leadership capacity.
• Proven success
  leading teams
  and delivering large-scale, high-impact projects.
• Strong expertise in Java and Scala
  with hands-on coding experience.
• Deep knowledge of AWS
  and cloud-native architectures.
• Experience
  scaling distributed systems
  to handle high throughput and low latency.
• Solid grasp of
  software development lifecycle
  , configuration management, release processes, and testing.
• Ability to
  influence system architecture
  and make informed technical trade-offs.
• Strong communication and collaboration skills, with a passion for mentorship and team growth.
• Track record of driving
  quality, reliability, and operational excellence
  at scale.

Nice to Have:
Experience with
Golang
or
Python
. Previous involvement in
engineering culture development
, hiring, or organizational design.

Why Apply?

• Join a
  collaborative, forward-thinking team
  working with cutting-edge technologies.
• Play a key leadership role in shaping high-profile enterprise solutions.
• Enjoy a
  flexible hybrid working model
  and strong support for professional growth.

Benefits

• Competitive salary with
  bonus, pension, and healthcare coverage
• Life insurance
  , laptop, and phone provided
• Access to extensive
  training and certification resources
• Additional perks including company discounts and on-site parking

Location:
Letterkenny, Co. Donegal (Hybrid – 2-3 days on-site, rest remote if wanted)

Type:
Permanent |
Eligibility:
Must be eligible to work in Ireland or the EU

For further details or to express interest, please contact David Coyle at or via email

Your Profile

Key skills/knowledge/experience:

• Primary tech stack -
  Scala (a must), Java, AWS experience
• 10+ Years in-depth professional experience.
• Strong understanding of engineering software processes, lifecycle methodology, configuration management, release management, and system verification and testing.
• Ability to work independently and oversee entire projects or significant parts, focusing on completing the tasks on time.
• Recognised technical authority with the ability to influence system architecture across teams or domains.
• Ability to lead the development team.
• Track record of delivering high-impact projects with significant architectural ownership.
• Mastery of multiple languages and paradigms; able to guide complex trade-offs and tech decisions.
• Extensive experience scaling systems to handle high throughput and low latency.
• Strong ability to mentor, elevate peers, and lead cross-team technical initiatives.
• Proven experience driving quality, reliability, and operational excellence at scale.
• Strategic thinking with the ability to align technical direction with company goals.
• Thought leadership in areas like distributed systems, functional programming, or cloud-native architecture.

Desirable skills/knowledge/experience:

• Secondary tech stack -
  Solid experience in Golang, Python
• Deep operational knowledge of AWS, including cost-aware system design.
• Contributions to engineering culture, hiring, or organisational development.