76 to 100 of 108 Java Jobs in County Antrim

Java Agile Developer (Belfast) - Officer

Location
Belfast City District, Northern Ireland, United Kingdom
identified as a major growth target for Citi – with technology providing the key to unlock this potential. Key Responsibilities Delivery of Swap Processing components (Java/Kotlin) within the Strategic Swaps Platform Developer-led automated testing with a focus on Test Driven Development Working within an Agile team focussed … consulting/project management techniques/methods Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements Technical Experience Java & Test-Driven Development are essential. Experience in any number of additional technologies (listed below) is advantageous Kotlin Cloud Technologies (Kubernetes, Open Shift) Messaging Technologies (Kafka ...

Java Software Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
Software Engineer Location: Belfast Tech Stack: Java/Microservices/React/AI Harrington Starr has partnered with a leading global software company specialising in market data and subscriptions to find a Software Engineer to join their team. The company is looking to modernise its existing systems and is seeking … skilled developer with strong Java experience and an interest in AI to contribute to key technology projects. Key responsibilities: Strong experience with Java development Experience working with microservices and modern software architectures Experience across both front-end and back-end development, ideally with React Experience working with APIs, integrations ...

Senior ML Engineer - Cybersecurity & Data Analytics

Location
Belfast City District, Northern Ireland, United Kingdom
cybersecurity product line, applying advanced machine learning to detect anomalies and drive real-time decisions. The role requires a strong background in Java, distributional statistics, unsupervised methods, and experience with feature computation on columnar stores. You’ll collaborate with a cross-functional team and grow our data-driven solutions. #J ...

Cloud-Native Full Stack Dev (Java/Python/Go) – AWS/GCP

Location
Belfast, Northern Ireland, United Kingdom
Dianaduggan is seeking a Full Stack Developer (Java/Python/Go) in Belfast for a leading global financial institution. The candidate will play a critical role in transforming technology in a hybrid multi-cloud environment, primarily leveraging AWS and Google Cloud. Key responsibilities include designing and maintaining scalable applications ...

QA Automation Engineer - Java/SQL (AVP)

Location
Belfast City District, Northern Ireland, United Kingdom
employ strong communication skills, ensure a first‐class service of quality to our internal clients. The ideal candidate should have a strong background in Java and SQL, with proven experience in developing and maintaining automated test scripts through the use of practices such as BDD. Key Responsibilities Implement and work ...

Engineering Intern: Build Real‐World Software & Deploy Early

Location
Belfast City District, Northern Ireland, United Kingdom
colleagues on complex challenges and deploy code changes that impact millions of online orders from day one. You’ll learn our technology stack including Java, Cassandra, ElasticSearch, and cloud technologies while receiving mentoring and an individual development plan to accelerate your growth. #J-18808-Ljbffr ...

Hybrid Backend Engineer (Golang/Java) for Cloud Security

Location
Belfast City District, Northern Ireland, United Kingdom
seeking an experienced Backend Software Engineer to help build and scale our cloud security platform. You’ll work on backend services using Golang or Java, in a hybrid setup with three days a week in our Belfast office and two remote days. You’ll collaborate across teams, design robust APIs ...

Full-Stack Engineer: Java/Spring, React/Angular, Cloud

Location
Belfast City District, Northern Ireland, United Kingdom
Engineer to design, build and maintain high-performance microservices and RESTful APIs in a hybrid model. You will work across backend to frontend, leveraging Java/J2EE, Spring, and modern frontend frameworks, while ensuring data integrity in Oracle databases. The role emphasizes secure coding, CI/CD, and leadership ...

Junior Fullstack Java Developer

Location
Belfast City District, Northern Ireland, United Kingdom
power platforms that keep global financial operations accurate and reliable. In this role, you will design, develop, and support a modern reconciliation platform using Java, Angular, NoSQL, and Oracle, working alongside a technology team that values hands-on ownership and continuous improvement. This is an opportunity to apply full stack … engineering skills to real-world financial systems at global scale. Responsibilities Design and build full stack features for a reconciliation platform using Java, Angular, NoSQL, and Oracle. Identify and define system enhancements by analyzing and interpreting existing code and scripts. Consult with users, clients, and other technology teams to recommend ...

Senior Java Lead - Microservices, Cloud, Hybrid

Location
Belfast City District, Northern Ireland, United Kingdom
Citigroup Inc. is recruiting a Lead Java Developer to steer senior technical work within Citi’s Event Master Central team. You will design and implement complex Java-based solutions, lead microservices development, and drive best practices in CI/CD, testing, and code quality. The role emphasizes leadership and collaboration … across technology and product teams, with a hybrid office/remote arrangement. The position requires strong core Java skills, Spring, microservices, and experience with Kafka #J-18808-Ljbffr ...

Backend Software Engineer Upwind Security

Location
Belfast City District, Northern Ireland, United Kingdom
Software Engineering or related field 1+ years of experience with Backend Engineering in a high-level programming language (e.g. ideally Golang and/or Java) Experience with cloud platforms and products (e.g. AWS, GCP and Azure) Experience implementing data-intensive systems (databases, event systems, messaging systems, etc) Experience with continuous … life projects, from initial design and development to deployment, monitoring and maintenance in a production environment Performing reliability and performance analysis on Golang/Java based applications Contributing to technical and architectural designs, performing capacity planning, defining SLOs and working with other teams to implement Conducting design and code reviews ...

Senior Full-Stack Java Engineer — AI‐Driven Backends

Location
Belfast City District, Northern Ireland, United Kingdom
Screen is seeking a Senior Full Stack Software Engineer (Java) to join our engineering team in Belfast. You will design, develop, and evolve backend services and frontend applications across our enterprise product suite—a hands‐on role blending new feature development with modernising complex, established codebases. As an AI‐driven ...

Java & Kotlin Engineer for Prime Brokerage Platform

Location
Belfast City District, Northern Ireland, United Kingdom
Citi is hiring in Belfast for a Prime Brokerage technology role. You will engineer core components using Java/Kotlin and provide technical leadership on an agile team. You’ll drive quality, CI/CD, and modern DevOps practices while shaping architecture and documenting designs. Join Citi to influence global ...

Java Software Engineer — Hybrid, AI-Driven Fintech

Location
Belfast City District, Northern Ireland, United Kingdom
invites applications for a Software Engineer in Belfast to join a leading global fintech software company. You will contribute to modernising systems, with strong Java backend and AI-focused initiatives, while engaging with front-end and back-end teams in a hybrid setup. The role offers ownership of development projects ...

Equities Technology (Low Latency Developer) - JAVA OR C++

Location
Belfast City District, Northern Ireland, United Kingdom
latency. The role also offers the opportunity to learn the Equity Trading business. Key Skills and Experience required: Significant years of working knowledge of Java OR C++ Working experience of Microservices architecture is a big plus. Knowledge and experience in building ultra-low latency market data platform will ...

Senior Java Engineer — Hybrid, Cybersecurity Solutions

Location
Belfast City District, Northern Ireland, United Kingdom
Congruity360 in Belfast is seeking a Senior Software Engineer to join our Engineering team. You will implement Java-based solutions (Java 17+/21) and contribute to a cybersecurity-focused product in a fast-moving environment. This hybrid role requires a minimum of two days in the Belfast office ...

Hybrid Belfast: Senior Java Microservices Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
Citigroup Inc. in Belfast is seeking a Senior Java Applications Developer to help build and modernize a centralized event platform for corporate actions. You will design and implement robust Java microservices, RESTful APIs, and data-driven components within a strict governance framework. This hybrid role offers three days ...

Senior Java Engineer: High-Performance Backend for Trading

Location
Belfast City District, Northern Ireland, United Kingdom
VANRATH is seeking a Senior Java Engineer in Belfast to join a leading global fintech business. The role centers on high-performance backend services using Java and Spring to deliver scalable trading-related applications. Join an established engineering team in a hybrid setup, with a salary ...

Senior Software Engineer – Ultra Low Latency Risk Engine Developer (VP)

Location
Belfast City District, Northern Ireland, United Kingdom
equities electronic trading or algorithmic trading platforms at a global investment bank or equivalent financial institution. Strong, hands-on technical expertise in Low Latency Java and/or C++ (Rust a plus), including multi-threading, concurrency, lock-free data structures, Java NIO, and JVM/GC performance tuning. Hands ...

Senior Java Engineer - FinTech Trading (Hybrid)

Location
Belfast City District, Northern Ireland, United Kingdom
Vanrath is seeking a Java Engineer to join a Belfast-based software development team focused on high-performance fintech applications and electronic trading platforms. You will design, develop and maintain scalable software, collaborating with product teams, tech support and business stakeholders to deliver new features and client-specific enhancements. ...

RegTech Java Engineer for Compliance & Surveillance

Location
Belfast City, Northern Ireland, United Kingdom
Securities is seeking a Java Engineer to join Compliance & Supervision Technology in TD Securities. You will design, develop, deliver and support solutions for regulatory compliance, surveillance and control across Global Markets, collaborating with Compliance, Risk, Data and Business stakeholders. The role emphasizes API-first architecture, microservices, cloud-native deployment ...

Java Engineer, Regulatory Compliance & Surveillance

Location
Belfast City District, Northern Ireland, United Kingdom
Securities is seeking a Java Engineer to join the Compliance & Supervision Technology team in Belfast. You will design, develop, deliver and support regulatory-compliance solutions with a focus on communications surveillance for Global Markets. The role requires building scalable, secure, and regulator-ready systems using API-first, event-driven microservices ...

Senior ML Engineer (Java/Python) - Flexible Belfast Role

Location
Belfast City District, Northern Ireland, United Kingdom
market. You will contribute to architecture decisions, work with an experienced team, and bring a track record of four to five years in production Java along with strong Python and ML fundamentals to solve real-world security challenges. #J-18808-Ljbffr ...

Senior ML Engineer (Java/Python)

Location
Belfast City District, Northern Ireland, United Kingdom
product from an early stage. What you'll bring Strong commercial software engineering experience, ideally including four to five years working with production Java . Practical experience in applied statistics, mathematical modelling or machine learning. Confidence working with complex datasets and evaluating model performance. A track record of writing reliable … well-tested production code. Strong Python engineers with previous Java experience and solid engineering fundamentals will also be considered. Experience in cybersecurity, anomaly detection, fraud detection or behavioural analytics would be valuable, alongside exposure to ClickHouse or numerical and ML libraries. What's on offer? Belfast office - fully flexible Pension ...

Senior IT Developer

Location
Belfast City, Northern Ireland, United Kingdom
Team and ask compensation related questions, including pay details for this role. Job Description: TD Securities Financial Regulatory Technology team is looking for a Java/Scala Developer to join a team implementing solutions in alignment with the firm’s technology strategy. The team is responsible for providing technology solutions … business teams to analyse and cleanse the data, and as input to generate regulatory reports. The candidate will join a team of Scala/Java developers building these systems and work extensively with our business analyst and QA teams to ensure delivery of our solutions to business stakeholders. The candidate ...