Java Jobs in Northern Ireland

1 to 25 of 71 Java Jobs in Northern Ireland

Java/Microservices Developer - VP

Belfast, United Kingdom
Hybrid / WFH Options
Citigroup Inc
a Principal Engineer, reporting to the Engineering Manager, to join the Global BI team for an internal compliance and surveillance line of business. You will be responsible for implementing Java/Microservices based Solutions for Independent Compliance Risk Managers. The role requires deep technical knowledge and expertise in software development, including programming languages, frameworks, and best practices. There will be … stay up-to-date with emerging technologies, tools, and industry trends. Responsibilities : The candidate will be responsible for designing and building solutions for Compliance Data Archival & Reporting application. Core Java, Spring and Hibernate will be the primary technologies used supplemented by strong technical knowledge of Oracle databases Knowledge of Spark, Big Data is desirable but not mandatory. The candidate should … as architecture and infrastructure, integrate to accomplish business goals Provide in-depth analysis with interpretive thinking to define issues and develop innovative solutions Mandatory Skills: Relevant Experience in Core-Java, J2EE Spring-Boot, Microservices, Hibernate/jpa Strong experience in SQL & Database Design Experience in Docker and Kubernetes Qualifications : The candidate should have very strong technical experience in the areas More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Java Engineer

Belfast, United Kingdom
Hybrid / WFH Options
VanRath
Software Engineer - Java Hybrid (UK-based)- 2 days in office Full-time Excellent Salary + Unrivalled Pension + Unheard-of Bonus + Benefits Recruited on behalf of a global payments technology leader by VANRATH About the Role VANRATH is proud to be partnering with a world-leading payments and technology company to recruit a skilled Java Software Engineer . This … so in an environment that genuinely rewards performance with an unrivalled pension scheme and an unheard-of annual bonus . Key Responsibilities Build scalable, secure, high-performance systems using Java and Spring Boot Design and implement RESTful APIs and containerised microservices Collaborate within agile teams to deliver high-quality features and services Write clean, testable, production-grade code following best … practices Contribute to CI/CD processes, test automation, and code reviews Work on solutions that demand performance, resilience, and zero downtime What You'll Bring Commercial experience with Java, Spring Boot, Spring MVC , and related frameworks Understanding of REST API development , SQL/MySQL , and microservice architecture Familiarity with DevOps tools: Git, Maven, Jenkins , and containerisation (Docker/Kubernetes More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Lead Java Developer

Belfast, United Kingdom
Hybrid / WFH Options
Citigroup Inc
About the Role: We are seeking a Senior Java Developer/Lead who could drive technology transformation in the team. This role involves taking ownership of key projects and components throughout the entire Software Development Life Cycle (SDLC). A primary focus will be on design, development & maintenance of components under Price Master Central systems which would require expertise in … Java, Spring, SQL, API development, Kafka, Kubernetes, and Cloud technologies. You will guide & mentor team of engineers, providing technical expertise and direction, and ensure adherence to best practices. A strong understanding of system and enterprise architecture is essential. You will collaborate with global and diverse teams, including Business Analysts, Project Management, Production Support, and Infrastructure. Price Master Central is a … of Applications Development Ability to adjust priorities quickly as circumstances dictate Demonstrated leadership and project management skills Consistently demonstrates clear and concise written and verbal communication Strong command on Java (Core, JDBC, MT, Collections, I/O), Spring Boot, REST, GraphQL web services Sound understanding of SQL/PL-SQL on Oracle DB Extensive working knowledge on container platform based More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Java/Python Software Engineer, VP

Belfast, United Kingdom
Citigroup Inc
CI/CD pipelines Foster relationships with end users and stakeholders and influence product design evolution and delivery strategies Required Qualifications Experience as a Software Engineer/Developer using Java and/or Python Clear understanding of Data Structures and Object-Oriented Principles Experience building horizontally scalable software using Cloud-native development or Container Orchestration tools such as Kubernetes Spring More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Java Developer

Belfast, United Kingdom
Hybrid / WFH Options
Citigroup Inc
whose mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. We are looking for a Senior Java developer to join our growing team in Citigroup Belfast NI. A successful applicant will be responsible for building out the firm's strategic reference data platforms used by the Institutional … work with a global and diverse team of peers as well as liaise closely with Business Analyst, Production Support, and Infrastructure teams. Required skills: Experience with the following technologies: Java (Core, JDBC, Collections, I/O) , Spring Boot ; Exposure to SQL/PL-SQL on Oracle DB REST web services Unix commands and Korn shell scripting; Familiarity with standard data More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Java Developer in Belfast - MCS Group

Belfast, United Kingdom
Java Script Works
html Salary: £60,000 - 60,000 per year Requirements: Solid commercial experience with Java & Spring Boot Familiarity with AWS and container orchestration tools like Kubernetes Agile mindset with a focus on TDD and CI/CD workflows Excellent communicator, comfortable making a real impact along the way. Technologies: AWS CI/CD Java Kubernetes Spring Spring Boot TDD Cloud JavaScript More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Java Software Engineer

Belfast, Northern Ireland, United Kingdom
Lucera Financial Infrastructures
real-time TCA and our low latency pre-trade credit component we deliver a performant, cost effective solution to your eFX needs. Role Lucera Financial Infrastructures is hiring a Java Software Engineer for our Belfast office to work on our core infrastructure as a service platform, used by some of the top names in financial services. We are looking for … an ability and desire to pick up new technologies Background in taking products from design right through to delivery Strong sense of writing quality maintainable code Commercial experience in Java (8+) Use of Micronaut/Spring (or equivalent) Frameworks Developing against Relational and NoSQL Database (MongoDB, Postgres etc) Experience with unit testing methodologies and frameworks – e.g Spock, Junit Build systems More ❯
Posted:

Senior Java Developer - Belfast

Belfast, United Kingdom
Hybrid / WFH Options
Citigroup Inc
to capital and liquidity. What We Do/The Team We are a global team responsible for a markets-wide strategic risk management platform. We're looking for skilled Java Developers to enhance our platform and integrate it with trading systems across markets. Role Overview/What You'll Do Collaborate with management to integrate functions and identify system enhancements. … Solve critical issues by evaluating complex business and system processes. Apply your Java expertise and ensure architectural alignment. Develop coding standards for testing, debugging, and implementation. Understand the integration of business areas, architecture, and infrastructure. Analyse problems and create innovative solutions. Mentor junior developers and analysts. Key Skills and Experience Required Extensive Core Java experience with strong knowledge of data More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

21 May 2025 BBBH57041 Senior Software Developer - Java/Kotlin £60000 - £70000 per annum Belfast

Belfast, United Kingdom
Hybrid / WFH Options
MCS Group
and efficiency. Mentor and support junior developers, sharing knowledge and encouraging technical growth across the team. What We're Looking For: Proficiency in a JVM language such as Kotlin, Java, Scala, or C#, alongside experience with Python. Strong background in building solutions within SOA and/or microservices environments. Hands-on experience in implementing CI/CD pipelines for production More ❯
Employment Type: Permanent
Salary: GBP 60,000 - 70,000 Annual
Posted:

Staff Software Engineer (Java, Kafka, AWS)

Belfast, United Kingdom
Proofpoint
speed, security, and reliability. Your day-to-day • Architect, build, and maintain scalable, fault-tolerant systems that support petabyte-scale workloads in production • Lead development of RESTful APIs using Java or similar high-performance languages (e.g., Go, Kotlin, Scala) • Contribute to the evolution of our internal platform by improving core infrastructure components and abstractions • Design and optimize data pipelines and … experience in software engineering, with significant time spent on infrastructure or platform teams • Proven track record of designing and operating petabyte-scale systems in production environments • Deep experience with Java and working knowledge of other programming languages such as Python, Go or Scala • Strong understanding and hands-on experience with RESTful service design and implementation • Solid background in distributed systems More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Software Engineer (Java)

Belfast, United Kingdom
iManage
best out of them. You'll be collaborating directly with product teams and technical specialists to deliver the roadmap, drive engineering initiatives and develop key features. Our technology stack Java (17/21) SQL (Microsoft SQL Server) Microsoft Azure Kubernetes Docker iM Responsible For Taking ownership and leading a project through the full SDLC and ensure successful production maintenance. Design … of quality. Foster a dynamic and energetic work environment by engaging with team members and promoting a culture of learning and fun. iM Qualified Because I Have Expertise in Java and Spring Boot. Experience with containerisation (Docker), orchestration (Kubernetes) and cloud platforms (we use Microsoft Azure!). Knowledge of different architectural patterns. Working experience with scalable distributed systems. An insatiable More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Head of Engineering

Belfast, UK
Hybrid / WFH Options
Ocho
hiring and third-party partnerships What we're looking for: Demonstrable experience managing multiple software delivery teams or engineering managers Hands-on background in full-stack engineering - including C#, Java, C++, JavaScript/TypeScript with React Familiarity with event-driven architecture, low-latency systems, and microservices Proficiency in scripting languages (e.g., Python, Ruby, Perl) and strong SQL knowledge Experience working More ❯
Posted:

Senior Java Software Engineer - BELFAST

Belfast, Northern Ireland, United Kingdom
Synechron
Synechron is looking for an experienced Senior Java Developer with strong hands-on experience in Java, Spring Boot, Microservices, and other modern Java application frameworks, messaging services, databases, and CI/CD pipelines is essential. This is to join an international team, on a long term (multi-year) programme of work, working with a well known financial organisation. The role … offices (The Paper Exchange) in central Belfast, within a fast growing and friendly team (100+). Salary: £80K DOE + Discretionary Bonus + Benefits including 14% Pension The Role: Java Spring Boot/Microservices RESTful APIs Kafka CI/CD Database concepts Diversity Statement S ynechron are proud to be an equal opportunity employer. Our Diversity, Equity, and Inclusion (DEI More ❯
Posted:

23 Jun 2025 BBBH58377 Senior Software Developer (Java) £65000 - £80000 per annum Belfast

Belfast, United Kingdom
Hybrid / WFH Options
MCS Group
Senior Java Engineer - Belfast (Hybrid) Up to £80,000 + Exceptional Benefits Backend Java Global Impact Flexible Working MCS are delighted to be partnering with a forward-thinking global tech leader. This company is hiring for a Senior Software Engineer to join a highly collaborative engineering team tackling critical backend challenges. This is your chance to work on services used … by some of the most recognisable global brands. What You'll Be Doing Designing and implementing backend microservices using Java and Spring Boot Building and refining RESTful APIs that power secure, real-time payment flows Writing clean, testable code with a focus on quality, performance, and reliability Leading on feature analysis, architecture decisions, and release planning Contributing to peer reviews … automated testing, and continuous integration Mentoring Junior Developers What You Bring Extensive experience as a backend or full stack engineer Strong skills in Java and Spring Boot Proven background in scalable microservices architecture and REST APIs Test-driven development mindset with attention to quality and security Experience with agile methodologies and continuous delivery Ability to work on-site 3 days More ❯
Employment Type: Permanent
Salary: GBP 65,000 - 80,000 Annual
Posted:

Senior Java Developer

Belfast, United Kingdom
Hybrid / WFH Options
MCS Group
Senior Java Developer Award-Winning Digital Agency Belfast Hybrid Up to £60K MCS Group is thrilled to be partnering with a cutting-edge Digital Agency that has been making waves across Belfast and beyond. With deep local roots and a reputation for delivering high-impact solutions, this agency blends client-focused project work with the excitement of developing their own … in-house products. Now, they're looking for a Senior Java Developer to join their talented, close-knit team, someone who's passionate about clean code, collaboration, and building innovative solutions that make a difference. Why This Role Stands Out: At this agency, no two days look the same. You'll work on a dynamic mix of projects across multiple … household-name clients or helping shape the future of their own product suite, you'll be making a real impact. What We're Looking For: Solid commercial experience with Java & Spring Boot Familiarity with AWS and container orchestration tools like Kubernetes Agile mindset with a focus on TDD and CI/CD workflows Excellent communicator, comfortable working with clients and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Head of Engineering (Energy and Commodities)

Belfast, UK
TP ICAP Group Services Ltd
ecosystem is delivered through in-house and vendor-provided technologies hosted both on-premises and using AWS cloud infrastructure. Applications are implemented in a mixture of Microsoft .NET and Java backends, React front end and some thick-client implementations. The successful individual will be passionate about software development and keen to use their technical and mentoring skills to build a … Essential Demonstrable experience line managing multiple software delivery teams/Lead of Leads Demonstrable senior level and current experience of hands-on Full-Stack Software Engineering leadership with C#, Java, C++ JavaScript/TypeScript with React, and low latency event driven architectures Experience of a general-purpose scripting language (such as Python, Perl, Ruby) and SQL Experience of Application Lifecycle More ❯
Posted:

Senior Software Engineer (.Net)

Belfast, United Kingdom
Hybrid / WFH Options
VanRath
Partner with QA to ensure robust software quality Experiment with technologies to ensure the best fit for purpose Experience Needed Essential: Strong background in C# .NET and/or Java Experience with Git, CI/CD tools, and database technologies (SQL/NoSQL) Excellent problem-solving and communication skills Secure coding and API architecture knowledge Desirable: Web development experience (React More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer

Belfast, United Kingdom
Citigroup Inc
priorities simultaneously. Basic Qualifications Bachelor's degree in computer science or engineering field involving software programming or systems engineering Hands-on professional software development experience Proficiency in programming in Java, Python, JavaScript or React Hands on experience of building RESTful APIs using popular frameworks like Spring Experience of following TDD and clean code principles Proficiency with data structures, algorithms and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Head of Engineering

Belfast, UK
Hybrid / WFH Options
VANRATH
across the engineering function. Candidate Profile - Essential: Proven experience leading multiple software delivery teams (Head of Engineering/Lead of Leads level). Hands-on technical background in C#, Java, C++, JavaScript/TypeScript (React) and event-driven architectures. Experience in scripting (Python, Perl, Ruby) and solid SQL skills. Strong understanding of engineering principles and architectural patterns (e.g. Microservices, Backend More ❯
Posted:

Software Engineer In Test

Belfast, United Kingdom
Hybrid / WFH Options
APEX Fintech Services LLC
MS in Computer Science, Engineering or related technology field. 2-4 years of experience in software testing or development Proven experience in at least one modern language (Golang OR Java). Experience using and/or designing with RESTful APIs/gRPC Experience with Google Cloud Platform/Amazon Web Services is required. Skilled at creating comprehensive test plans with More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Data Reliability Engineer (Data SRE)

Belfast, United Kingdom
Quality Control Specialist - Pest Control
data technologies, such as relational databases, data warehousing, big data platforms (e.g., Hadoop, Spark), data streaming (e.g., Kafka), and cloud services (e.g., AWS, GCP, Azure) Programming skills in Python, Java, or Scala, with automation and scripting experience Experience with containerization and orchestration tools like Docker and Kubernetes is a plus Experience with data governance, security, and compliance best practices Understanding … and promote cloud adoption Create CI/CD pipelines with Jenkins, Bitbucket/Git Create monitoring dashboards using Splunk, Prometheus, Grafana Write unit tests in Go/Python/Java Collaborate with a globally distributed team CME Group: Where Futures Are Made CME Group () is the world's leading derivatives marketplace. Here, you can impact markets worldwide, transform industries, and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Engineer

Belfast, UK
Hybrid / WFH Options
VANRATH
application link. VANRATH is acting as an employment agency on behalf of our client. All applications will be treated with the strictest confidentiality. Skills: senior engineer software engineer backend java .net More ❯
Posted:

Staff Software Engineer

Belfast, United Kingdom
Hybrid / WFH Options
VanRath
collaboration Manage multiple workstreams, ensuring technical alignment and timely delivery Communicate progress, risks, and solutions clearly with cross-functional teams and leadership Required Skills & Experience: Extensive experience with Core Java, JEE technologies, and modern web frameworks Proven track record in designing and deploying REST/SOAP APIs using JSON and XML Hands-on experience with Kafka (setup, maintenance, stream processing More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Back-end Engineer (Go)

Belfast, United Kingdom
Napier Technologies Limited
distributed delivery models We'd be thrilled if you also have experience with, and are keen to grow your skills in, some of these other areas: Programming Languages - Kotlin, Java Analytics engines, especially ElasticSearch KeyCloak ETL tools Performance engineering principles and tools CI/CD and DevOps tooling Open Telemetry and related observability tools and techniques, especially Grafana and Prometheus More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Principal Software Engineer (Rates & FX)

Belfast, United Kingdom
TP ICAP Group
Experience of financial/trading platforms and knowledge of financial markets Knowledge of FIX protocol and ability to handle FIX interactions In-depth knowledge of AWS services Experience with Java, JavaScript or React Experience with serverless architecture and microservices Experience with TDD, BDD or similar approaches Band & Level - Manager, 7 Company Statement We know that the best innovation happens when More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
Java
Northern Ireland
10th Percentile
£42,500
25th Percentile
£50,000
Median
£55,000
75th Percentile
£60,000