67 Backend Staff jobs in Ireland

Overview
:

Are you a passionate backend engineer looking to make a real impact in a collaborative, product-focused environment? At Propylon, part of the RWS Group, we're building innovative legislative and regulatory software that transforms how governments and organisations manage complex information.

We're currently hiring multiple
Backend Engineers
to join our
TimeArc
and
LWB360
teams. These teams are rapidly growing to support major client projects while continuously expanding and evolving our products. You'll contribute to highly meaningful platforms built with
Python and Django
, helping shape both architecture and engineering practices alongside a team that values craftsmanship, ownership, and continuous improvement.

At Propylon, engineers are empowered to make decisions, innovate, and influence direction. We invest in our people by offering meaningful career development, a strong engineering culture, and a workplace consistently recognised as one of Ireland's
Great Places to Work
(2016, 2018, 2020, 2022, 2024).

These roles are based in our Dublin HQ (Rathfarnham, South Dublin) with a flexible hybrid model that supports regular home working and promotes work-life balance.

Responsibilities:

• Work with technical team leads to design overall application architecture
• Work with the team to develop and implement custom components to seamlessly integrate existing systems with Propylon's TimeArc and LWB 360 suite of products
• Drive development across backend components
• Contribute to product architecture and design
• Participate in code reviews

Requirements

• Excellent understanding of the Python programming language, its ecosystem, and idioms.
• 3+ years of professional experience with
  Python based MVC framework, preferably Django.
• Experience developing application APIs that utilize data and functionality exposed via REST, GraphQL, RPC etc.
• Excellent working knowledge of SQL based RDBMS, e.g. Postgres, MySQL.
• Experience with modern Python features such as type hinting, async, data classes, etc.
• Familiarity with Docker and related containerization technologies.
• Excellent verbal and written communication skills, with experience working in a multifunctional team.

Nice to haves:

• Experience with XML processing/transformation.
• Experience with document management/document workflow software and/or SAS products.
• Familiarity or work experience with DevOps workflow/principles, building CI/CD pipelines, with AWS fundamentals.
• Some familiarity with a modern JavaScript framework (e.g., React, Angular, ) is a plus, but not required.

Personal Attributes:

• Wants to be part of a team that is committed to delivering high quality innovative products.
• Wants to be part of a culture that is committed to sharing and enhancing the knowledge of the wider team, supporting team wide learning and success
• Have a curious mindset - about what you do, the technology you use and how you connect with others to deliver products that we are proud to deliver to our clients.

Propylon is an equal opportunities employer; positions are open to all suitably qualified candidates, regardless of gender, civil or family status, sexual orientation, religious belief, age, disability, race or membership of a minority community.

COMPANY OVERVIEW

KKR is a leading global investment firm that offers alternative asset management as well as capital markets and insurance solutions. KKR aims to generate attractive investment returns by following a patient and disciplined investment approach, employing world-class people, and supporting growth in its portfolio companies and communities. KKR sponsors investment funds that invest in private equity, credit and real assets and has strategic partners that manage hedge funds. KKR's insurance subsidiaries offer retirement, life and reinsurance products under the management of Global Atlantic Financial Group. References to KKR's investments may include the activities of its sponsored funds and insurance subsidiaries.

Backend Engineer, Investment Operations Technology

ABOUT THE POSITION

The ideal candidate would have a strong familiarity of financial instruments and experience with full-stack development and data engineering using the modern technology stack. The candidate must have excellent programming and data management skills, strong verbal/written communication skills, and be a cultural fit with an emphasis on teamwork, excellence and results.

We are seeking a skilled and experienced Backend Engineer to join our dynamic development team. As a Backend Engineer, you will be responsible for designing, developing, and maintaining the server-side logic of our software applications and systems. Your expertise in programming languages, databases, and web technologies will be crucial in delivering high-quality and scalable backend solutions.

Role and Responsibilities

• Develop and maintain the server-side components of our software applications.

• Collaborate with cross-functional teams, including frontend engineers, data engineers, product managers, and designers, to ensure seamless integration of the frontend and backend components.

• Monitor and optimize the performance, scalability, and reliability of backend systems.

• Write clean, efficient, and well-documented code following best practices and coding standards.

• Design, implement, and optimize database structures and queries for efficient data storage and retrieval.

• Perform thorough testing and debugging to identify and resolve issues or bottlenecks.

• Stay updated with the latest industry trends and technologies and propose improvements to enhance the backend architecture and development processes.

• Participate in code reviews to maintain code quality and mentor junior developers.

• Collaborate with DevOps engineers to deploy and maintain backend applications in production environments.

• Provide technical guidance and support to the team members as needed.

Requirements

• Bachelor's or Master's degree in computer science, Software Engineering, or a related field.

• Strong proficiency in computer science fundamentals such as data structures and algorithms.

• Proven work experience as a Backend Engineer or similar role, with a focus on developing scalable web applications.

• Strong proficiency in one or more backend programming languages (python preferred).

• Experience with web frameworks and technologies, such as FastAPI, Flask or Django.

• Sound knowledge of databases and experience working with relational databases like SQL Server, Snowflake, PostgreSQL, or Oracle.

• Financial Industry experience or curiosity/savvy to learn and engage in Private Equity/Credit type of business domain.

• Familiarity with NoSQL databases like MongoDB or Redis is a plus.

• Solid understanding of RESTful API design principles and experience in building and consuming APIs.

• Proficiency in version control systems, such as Git, and collaborative development workflows.

• Strong problem-solving skills and ability to troubleshoot and debug complex backend issues.

• Excellent communication and collaboration skills, with the ability to work effectively in a team environment.

Additional Beneficial Skills/Knowledge

• Knowledge of Accounting or Advent Geneva
• Understanding of Data Engineering tools and platforms (data pipelines, data lake)
• Experience with cloud platforms like AWS, Azure, or Google Cloud Platform, and knowledge of containerization technologies like Docker or Kubernetes.
• Experience in one or more ofbank loans/leveraged loans, fixed-income products, CLOs, derivatives, ABS and CMBS products.

KKR is an equal opportunity employer. Individuals seeking employment are considered without regard to race, color, religion, national origin, age, sex, marital status, ancestry, physical or mental disability, veteran status, sexual orientation, or any other category protected by applicable law.

The Role: Founding Backend (Java) Engineer

We're looking for a Founding Backend (Java) Engineer to join us early and help shape our infrastructure from the ground up. You'll work closely with technical founders to build resilient, performant, and secure systems in a cloud-native, PCI-compliant environment.

This isn't just another role—it's a rare opportunity to architect the core of something truly groundbreaking from day one, collaborating with a small, elite team to define how we build and scale the systems that power everything behind the scenes.

What You'll Do

Own the Core Backend

Help lead and shape our backend platform from first principles. As one of three founding backend engineers, you'll have end-to-end ownership—from design and development to deployment and monitoring.

• Architect and implement scalable, high-performance systems in modern Java using microservices and lambdas.
• Build, deploy and monitor production-grade APIs to power our mobile and web apps and iterate on your own code with full lifecycle ownership.
• Leverage AWS services in a fully cloud-native architecture.
• Integrate with payment processors, card networks, and third-party services, with security-first design.
• Help define, implement and maintain engineering standards, tooling, and technical strategy.
• Use AI-powered code tools to boost development velocity while maintaining quality and precision.
• Collaborate closely with product and frontend engineers in a fast-paced, high-trust team.

Must-Have

• Experience:
  5+ years of backend engineering experience, including deep Java expertise.
• Founder-Level Thinking
  : Bias for action and ownership—you solve, ship, and refine without hand-holding. Pragmatic and decisive when it comes to build vs. buy, MVP vs scale.
• Thrives in Ambiguity
  : You're comfortable with the unclear—when it's not obvious, you dig in and make it obvious. Focused on outcomes, not ceremony.
• AI Code Builder Pro:
  Hands-on experience using AI-assisted development tools to increase velocity.
• Experience with modern Java and microservice architectures (Micronaut, GraalVM, JUnit, testcontainers).
• Solid grasp of REST and GraphQL APIs, event-driven systems, and distributed backend patterns.
• Expertise working in AWS.
• Security-aware and thoughtful about compliance from the first line of code.
• Startup Experience:
  Background in high-growth startups or 0→1 technical environments.

Nice to Have

• FinTech or payments industry experience.
• Exposure to PCI DSS or regulated data environments.
• Experience scaling backend systems for mobile-first apps.
• Familiarity with GraphQL, CI/CD tooling, and observability best practices.

Salary & Benefits

• Excellent Salary
  : Competitive salary reflecting your expertise and foundational role.
• Equity Options
  : A stake in the company—your chance to grow with us as we redefine the future.
• Hybrid Work
  : At least 3 days in our Dublin office, blending collaboration and flexibility.
• Extended Remote Work on Request
  : Need more remote time? We're open to making it work.
• Passionate Geek Squad
  : Work alongside a team of driven, brilliant minds who live and breathe innovation.

More on being a founding team member at Grand:

Who You Are

You're a builder at heart—pragmatic, principled, and deeply technical. You thrive in ambiguity, crave ownership, and love solving tough backend problems with sharp code and sharp judgment.

You're not interested in politics or process. You care about infrastructure that works, code that lasts, and shipping that matters. You're based in Dublin (or ready to be), and excited to work face-to-face with people who are all-in on building something legendary.

If building the financial rails of tomorrow with a clear mission, high autonomy, and a top-tier team sounds like your kind of challenge—let's talk.

Join our team as a
Senior Back-End Software Engineer
and drive the development of high-scale, secure, and robust services. You will leverage your
10+ years of expertise
in
C# .NET
to design and build
scalable Web API services
while implementing best practices for performance and high availability. This pivotal role requires deep technical proficiency in modern systems, including deployment in
cloud environments
(AWS, Azure, or GCP) using
Docker and Kubernetes
, and integration with
Kafka
for data streaming. We are looking for a collaborative expert with a strong ownership mindset who can architect solutions, mentor others, and contribute to critical technical decisions.

Core Requirements:

• 10+ years of professional experience in back-end development with C# .NET.

• Proven experience designing and building Web API services.

• Strong understanding of scalable system design and performance optimization.

• Familiarity with cloud platforms (AWS, Azure, or GCP).

• Experience with containers and orchestration (Docker, Kubernetes).

• Knowledge of messaging/streaming systems (Kafka or similar).

• Strong problem-solving and analytical skills.

• Excellent communication and collaboration abilities.

Nice to Have:

• Exposure to CI/CD pipelines, Git, and DevOps practices.

• Knowledge of automated testing frameworks and unit testing strategies.

• Experience in the financial services industry is preferred but not required.

Other Traits:

• Design, develop, and maintain robust, secure, and scalable back-end services using C# .NET and

• Web API.

• Implement best practices for performance optimization, high availability, and scalability.

• Work with cloud platforms (e.g., AWS, Azure, or GCP) and containerized environments (Docker,

• Kubernetes) to deploy and manage applications.

• Apply software engineering principles, including CI/CD, automated testing, and monitoring.

• Contribute to architectural discussions and technical decision-making.

• Stay up to date with industry trends and proactively recommend improvements.

• Support data streaming/integration by leveraging tools like Kafka.

Why Join Kake?

Kake is a remote-first company with a global community — fully believing that it's not where your table is, but what you bring to the table. We provide top-tier engineering teams to support some of the world's most innovative companies, and we've built a culture where great people stay, grow, and thrive. We're proud to be more than just a stop along the way in your career — we're the destination.

The icing on the Kake:

Better Me Fund – We invest in your personal growth and passions.

Compassion is Badass – Join a community that invests in social good.

Want to put your job search on autopilot? Join our platform, complete a 6-minute AI screening interview, and get auto-applied to 100s of high-paying roles.

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___

Core Responsibilities

• Design, develop, and scale backend systems using Java and Spring Boot.
• Create low-latency search infrastructure with ElasticSearch, caching, and query optimization.
• Build and maintain supplier integrations across hotels, chains, and experiences, ensuring stability and fault tolerance.
• Implement real-time personalization and ranking logic to improve customer discovery and booking conversion.
• Enable AI-powered experiences by building APIs, data pipelines, and scalable systems for recommendations, personalization, and conversational interfaces.
• Develop and maintain database schemas, queries, and stored procedures across MySQL, MongoDB, and ElasticSearch.
• Deploy and optimize services on Linux and AWS environments (EC2, S3, RDS, Lambda, API Gateway).
• Implement and evolve microservices architecture and design APIs for communication between services.
• Monitor backend systems in production, troubleshoot issues, and deliver timely fixes.
• Collaborate with product, growth, and engineering teams to translate customer needs into backend solutions.
• Participate in code reviews, debugging, and documentation to ensure quality and maintainability.
• Stay current with new backend and AI technologies, introducing ideas for innovation and scale.

Candidate Requirements

• Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.
• 2–5 years of backend development experience with Java and Spring Boot.
• Strong knowledge of relational and NoSQL databases (MySQL, MongoDB) and ability to design efficient schemas, queries, and stored procedures.
• Familiarity with ElasticSearch and interest in building low-latency search systems.
• Hands-on experience with Linux systems and deploying/maintaining backend services in production.
• Experience with AWS services (EC2, S3, RDS, Lambda, API Gateway) and cloud-native deployments.
• Understanding of microservices architecture with proven experience designing and implementing APIs for service communication.
• Strong problem-solving and analytical skills with a focus on scalability, reliability, and performance.
• Excitement to work in an AI-first company, building systems that power personalization, recommendations, and AI-driven experiences at scale.
• Excellent communication skills and the ability to collaborate effectively across product, growth, and engineering teams.

___

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Sign up now at and let the opportunities come to you.

We are looking for
Sr Java Backend (Exp: 5 to 15 Overall)

Hybrid – 2-3 days to Dublin office

Requirement :

• Senior Developer with 5+ years' experience delivering design/code of high quality

• Drive design and development in Java 17 and above using Object Oriented SOLID principles and patterns towards creating reusable and scalable microservices leveraging technologies such as Spring Boot Framework, and Event Driven Architecture.

• Develop in a CICD environment leveraging any one of the Cloud frameworks.

• Leverage the appropriate persistence mechanisms such as RDBMS, No SQL etc based on needs

All About You

• Passionate about technology, with strong Object-Oriented Design & Programming skills

• Strong expertise in Java and Spring Boot. Experience working on Event Driven Architecture would be an advantage.

• Experience in CI and CD

• Experience in Cloud based development is desirable

Company Description:

Techaxis is a EU-based firm that specializes in discovering, engaging, and placing top talent globally, for full-time or contract positions in leadership and mid to senior-level positions for companies in the technology, healthcare, energy, and education space. Techaxis Inc. is headquartered in Northern Virginia, USA. We are ranked #3294 in Inc 5000 and #105 in Inc 5000 DC Metro Series, SWaM, and WBE Certified technology talent search firm.

Equal Opportunities Employer:

Our clients provide equal opportunities to all its employees and all qualified applicants for employment, without regard to their race, caste, religion, color, ancestry, marital status, sex, age, nationality, disability, and veteran status. Employees of our client shall be treated with dignity and in accordance with their policy to maintain a work environment free of sexual harassment, whether physical, verbal, or psychological. Employee policies and practices shall be administered in a manner that would ensure that in all matters equal opportunity is provided to those eligible and the decisions are merit-based.

Join blp – The #1 Solution for ERP Automation
blp is a high-performance ETH and HSG spin-off redefining ERP automation with AI. We solve real enterprise problems with cutting-edge tech and a strong sense of ownership. Our solution is in production across 40+ countries, used by 20'000+ daily active users, automating 70'000+ processes every day.

Our AI-driven ERP automation is transforming finance, procurement, logistics, sales, and more. As one of Switzerland's fastest-growing SaaS scale-ups, we are proudly self-financed and fully employee-owned.

Our success stems from deep expertise in technology and business processes, delivering a superior product with an outstanding product-to-market fit, proven by our growing customer base, including Fortune 500 companies.

Our rapid growth and career opportunities have been recognised with the LinkedIn Top Startup Award, and we're just getting started. Our HQ? Zürich's iconic Bahnhofstrasse, a fitting home for a company redefining how businesses operate.

Ready to build the future? Join blp today.
About Backend At BLP Digital
We are a rapidly growing ETH and HSG spin-off, and our AI-enabled product revolutionises ERP automation. Our team is heavily focused on engineering, which we believe is crucial for maintaining our competitive edge. By leveraging state-of-the-art ML models, paired with deep, multi-generational ERP foundations, we drive real operational transformation for our growing global customer base. Our Engineering team tripled over the past year. Becoming part of a startup during explosive growth presents exciting opportunities for those who eager to excel. Do you want to apply your skills within a collaborative team, working on complex challenges using the latest technology? Job Summary As Senior Backend Developer, you will work on our advanced web services. You are an independent and solution-oriented developer, who enjoys working on deployed client solutions under sometimes tight deadlines. You are an expert in Go, relational databases, and like to do unit testing. You assume ownership and thrive working in a motivated team.

Job Summary
As
Senior Backend Developer
, you will work on our advanced web services. You are an independent and solution-oriented developer, who enjoys working on deployed client solutions under sometimes tight deadlines. You are an expert in Go, relational databases, and like to do unit testing. You assume ownership and thrive working in a motivated team.

Key Responsibilities:

• Design and develop clean and maintainable software solutions using Golang, leveraging industry best practices and design patterns, ensuring high code quality.
• Understanding and owning part of the code base end to end including the domain knowledge
• Conduct code reviews and provide constructive feedback to ensure the overall quality and consistency of the codebase.
• Provide guidance and mentorship to junior developers.
• Collaborate with stakeholders to understand project requirements and translate them into technical specifications and deliverables.
• Collaborate with the team to define the system architecture and make informed decisions regarding the technology stack, frameworks, and libraries.
• Identify opportunities for system optimisation, scalability, and performance improvements.
• Proactively address technical challenges and propose innovative solutions.

Requirements:

• Master's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• Track record in building product oriented web applications in fast-paced environments.
• Experience with databases like MySQL or PostgreSQL
• Solid competence in software engineering.
• Experience with deploying software on cloud infrastructure such as GCP, AWS, or Azure.
• Very good knowledge of Git, Docker, development workflow automation, and CI and CD.

Benefits:

• At the forefront of innovation, revolutionise ERP process automation with us.
• Generate real impact and lasting value with your work.
• Assume responsibility, contribute to our success, and become part of something big.
• Collaborative team environment enabling high performers to thrive.

Company Description
Arista Networks is an industry leader in data-driven, client-to-cloud networking for large data center, campus and routing environments. What sets us apart is our relentless pursuit of innovation. We leverage the latest advancements in cloud computing, artificial intelligence, and software-defined networking to provide our clients with a competitive edge in an increasingly interconnected world. Our solutions are designed to not only meet the current demands of the digital landscape but to also anticipate and adapt to future challenges.

At Arista we value the diversity of thought and perspectives that each employee brings to the table. We believe that fostering an inclusive environment, where individuals from various backgrounds and experiences feel welcome, is essential for driving creativity and innovation.

Our commitment to excellence has earned us several prestigious awards, such as Best Engineering Team, Best Company for Diversity, Compensation, and Work-Life Balance. At Arista, we take pride in our track record of success and strive to maintain the highest standards of quality and performance in everything we do.

Job Description
Who You'll Work With
The CVP team work on cloud based streaming telemetry services and applications.CloudVision is Arista's enterprise network management and streaming telemetry SaaS offering, serving the world's largest Financials, Media and Entertainment, Health Care, and Cloud companies. As we continue to scale the service and expand into new markets, we're looking to grow the team with Software Engineers in our Dublin office.

CloudVision's core infrastructure is a scale-out distributed system providing real-time and historical access to the full network state, along with frameworks for building advanced analytics. It's written in Go and leverages open source technologies like Hbase, ClickHouse, ElasticSearch, Kafka, Kubernetes, Ambassador and Zookeeper under the covers. We're constantly investing in scaling out the platform and building out richer analytics capabilities in the infrastructure.

What You'll Do
On top of this core platform we're building device management and network analytics applications to fully automate today's enterprise network, from CI/CD pipelines for network automation, to advanced analytics and remediation for network assurance.

As a backend software engineer at Arista, you own your project end to end. You and your project team will work with product management and customers to define the requirements and design the architecture. You'll build the backend, write automated tests, and get it deployed into production via our CD pipeline.

Qualifications

• BS/MS/PhD in Computer Science or a relevant experience.
• 5+ years experience in one or more of Go, C, C++, Java or similar language.
• Experience with network monitoring, network protocols, distributed systems, machine learning or data analytics is a plus.

Senior Backend Engineer - Applications

NewsWhip is the leading provider of predictive media intelligence, tracking and predicting engagement with the world's news stories each day.

Our platform is used each day by journalists at hundreds of top tier publications, and communications professionals at all 10 of the top 10 global PR agencies, dozens of international brands, and NGOs, international organisations and not-for-profits.

As an Irish company, our product and engineering functions are central to our business. This presents a great opportunity to directly input into what we build and how we build it. There is a direct link between your work, our customers and the continued success of NewsWhip.

As a Senior Backend Engineer on our Applications Team, you will be a key player in defining how this insight is delivered to customers. As an Applications Team member your remit will extend beyond just the ownership of delivery - you will be assisting in the research, refinement and execution of the features used to expose the value collated in our Data Platform to our customers in intuitive and novel ways.

Responsibilities:

• Develop features and improvements to NewsWhip products in a secure, well-tested, and performant way
• Collaborate with Product Management and other stakeholders within Engineering (Frontend, UX, etc.) to maintain a high bar for quality in a fast-paced, iterative environment
• Advocate for improvements to product quality, security, and performance
• Solve technical problems of moderate scope and complexity.
• Recognize impediments to our efficiency as a team ("technical debt"), propose and implement solutions

Requirements:

• 5+ years working in a Product Engineering team
• Experience collaborating with Product, Design and Frontend Engineering disciplines to deliver data-insight led features including activities relating to scoping, prototyping & research, identification of risks/uncertainties etc.
• Knowledge of software design principles and leading software development practices
• Willingness to get things done, learn new things, take initiative and challenge existing assumptions and conventions
• Experience with Java and/or Scala
• Experience building and deploying to any cloud service (GCP, AWS, Azure, etc.)
• Experience with building APIs for exposing rich datasets

Nice to have:

• Working with the Lightbend Reactive Platform of Scala, Akka or Play Framework
• Building an architecture to support rapid and stable product iteration cycles
• Significant development experience working on customer-facing and web-based systems
• Experience working in an agile environment with iterative development and fast feedback
• Working with storage systems such as Elasticsearch, Cassandra, Kafka and MySQL
• Experience with observability principals (Instrumentation, Tracing, Telemetry)
• Experience with IaC and DevOps methodologies
• Knowledge of basic Linux administration, Kubernetes and Google Cloud Platform

Benefits:

• Competitive salary
• Health insurance
• Pension
• Great working environment - remote first or hybrid model
• An opportunity to help define an entirely new industry category

Our ethos:

We believe in maintaining a friendly work environment, a healthy work-life balance, and compensating our employees fairly for their input. You'll be part of a team that believes in mutual support and education, and for a company where a work week isn't just the gap between weekends, but an opportunity to do work that is impactful and innovative. We also love eating and socializing together, annual and seasonal company and team retreats, healthy and unhealthy snacks and other perks.