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Top Java Developer Jobs in Belfast

4 Days Ago
Belfast, Northern Ireland
Senior level
Senior level
Artificial Intelligence • Software
Responsible for developing complex scalable services and components using cloud-native technologies, participating in product requirement analysis, collaborating with team members, and improving product quality through automated testing.
Top Skills: JavaJavaScriptPythonSQL
6 Days Ago
Belfast, Northern Ireland
Junior
Junior
Consulting
The Java Engineer will design and implement scalable solutions using Java, focusing on OOP principles, multi-threading, and REST services. Responsibilities include developing web applications, using testing frameworks, managing CI/CD pipelines, and ensuring code quality. Leadership experience is preferred and the role includes collaboration on complex projects.
Top Skills: Java
6 Days Ago
Belfast, Northern Ireland
Senior level
Senior level
Consulting
The Java Engineer will design and implement robust software solutions using Java and its features, focusing on object-oriented programming, multi-threading, RESTful services, and various frameworks. Responsibilities include ensuring code quality, automating testing, managing CI/CD pipelines, and optimising application performance.
Top Skills: Java
6 Days Ago
Remote
Belfast, Northern Ireland
Entry level
Entry level
Software
The Java Developer Relations Engineer at TuxCare engages with Java communities to advocate for their endless lifecycle support services. Responsibilities include creating technical content, building relationships with developers, participating in events, and gathering community feedback to enhance product offerings.
Top Skills: Java
10 Days Ago
Belfast, Northern Ireland
Junior
Junior
Aerospace • Logistics • Security • Software • Cybersecurity
As a Backend Developer at Northrop Grumman UK, you'll design, develop, and maintain backend infrastructure, collaborating with cross-functional teams. Your responsibilities will include the entire software development lifecycle from requirements gathering to deployment, and mentoring junior developers.
Top Skills: Java
10 Days Ago
Belfast, Northern Ireland
Senior level
Senior level
Aerospace • Logistics • Security • Software • Cybersecurity
The Lead Java Engineer role involves designing, developing, and maintaining critical infrastructure for services. It requires collaborating with cross-functional teams, guiding junior developers, and overseeing project deliverables. The role emphasizes a leadership mentality in addressing technical challenges within a dynamic environment.
Top Skills: Java
14 Days Ago
Remote
Belfast, Northern Ireland
Mid level
Mid level
Information Technology • Consulting
The Middle Java Engineer (Support) provides technical support and optimization for smart fridge systems, focusing on troubleshooting and system monitoring. Responsibilities include collaborating with technicians, analyzing system performance, and implementing operational optimizations. The role requires strong communication skills and experience with various backend technologies.
Top Skills: JavaPython
18 Days Ago
Remote
Belfast, Northern Ireland
Mid level
Mid level
Cloud • Marketing Tech • Sales • Software
As a Middle Java Engineer at PandaDoc, you will enhance the stability and performance of document processing services. Collaborate with a team to redesign PDF and DOCX operations, support product requests, and drive improvements in service ownership and code quality.
Top Skills: JavaPython
19 Days Ago
Remote
Belfast, Northern Ireland
Mid level
Mid level
Cloud • Marketing Tech • Sales • Software
As a Middle Java Engineer at PandaDoc, you will enhance document processing services by improving stability, taking ownership of critical functionalities, and addressing product requests. You'll collaborate with a team to redesign input/output operations for PDFs and DOCX, ensuring robust solutions that meet high reliability and performance standards.
Top Skills: JavaPython
19 Days Ago
Remote
Belfast, Northern Ireland
Mid level
Mid level
Cloud • Marketing Tech • Sales • Software
As a Middle Java Engineer at PandaDoc, you'll enhance document processing features, improve system stability, and develop reliable solutions collaboratively with your team. You will take ownership of your services and address product requests for seamless integration into existing systems, focusing on quality and user impact.
Top Skills: JavaPython
19 Days Ago
Remote
Belfast, Northern Ireland
Mid level
Mid level
Software
The Mid-Level Java Engineer will develop and maintain payment solutions while collaborating with a scrum team to enhance usability and efficiency. Responsibilities include designing RESTful services, resolving issues during incidents, and participating in Agile processes, all while ensuring standard-compliant project execution.
Top Skills: Java
Yesterday
Remote
Belfast, Northern Ireland
Mid level
Mid level
Software
As a Full Stack Java AWS Engineer, you will develop market-leading micro-services for the FICO platform, ensuring quality through automated testing and adhering to agile development practices. You will work through the full lifecycle of software services, integrating client needs and adhering to architectural standards.
Top Skills: Java
2 Days Ago
Remote
Belfast, Northern Ireland
Expert/Leader
Expert/Leader
Information Technology
The Senior Java Developer will design and implement microservices for a cloud contact center platform. Responsibilities include leading the development team, mentoring engineers, conducting code reviews, and collaborating across teams to ensure high-quality software solutions.
Top Skills: Java
7 Days Ago
Belfast, Northern Ireland
Mid level
Mid level
Fintech • Information Technology • Payments
As a Staff Software Engineer, you will lead the design and development of integrations with payment networks, create REST APIs, and maintain secure and scalable systems. You will provide technical leadership, oversee multiple projects, enforce best practices, and ensure on-time delivery of high-quality code while driving team growth and success.
Top Skills: Core JavaJavaJavaScript
8 Days Ago
Belfast, Northern Ireland
Junior
Junior
Fintech • Information Technology • Payments
As a Software Engineer at Visa, you'll design and enhance transactional processing systems, focusing on backend development, RESTful APIs, and container-based services in an agile environment. Responsibilities include coding, testing, and collaboration on project requirements, ensuring high code quality and adherence to security standards.
Top Skills: JavaScala
12 Days Ago
Remote
Belfast, Northern Ireland
Senior level
Senior level
Information Technology • Consulting
The Lead Software Engineer will provide technical leadership to a team, focus on designing and maintaining Java applications, and manage cloud-native solutions on Azure with Kubernetes. Responsibilities include implementing CI/CD pipelines and mentoring team members. The role emphasizes architectural decision-making and collaboration with various stakeholders to align engineering efforts with business objectives.
Top Skills: Java
13 Days Ago
Remote
Belfast, Northern Ireland
Senior level
Senior level
Information Technology
The Senior Java Developer will lead the design and development of microservices as part of the Outbound Campaigns Team. Responsibilities include architecting scalable solutions, providing technical guidance, conducting code reviews, and collaborating with cross-functional teams. The ideal candidate has extensive experience in building high-performance microservices and will ensure high code quality while mentoring junior engineers.
Top Skills: Java
14 Days Ago
Remote
Belfast, Northern Ireland
Senior level
Senior level
Information Technology • Consulting
The Senior Java Full Stack Engineer will manage full stack application development, owning the entire development lifecycle from design to deployment. Responsibilities include developing innovative applications, working in an XP environment with remote pairing, and utilizing a range of technologies to ensure reliable, high-quality code.
Top Skills: JavaKotlinReactScala
14 Days Ago
Belfast, Northern Ireland
Entry level
Entry level
Information Technology • Consulting
As a Quality Engineer, you will collaborate with team members and clients to ensure quality in software delivery. Your responsibilities include designing and executing tests, recording defects, automating APIs with REST, and utilizing BDD frameworks like Cucumber. You'll actively engage in daily stand-ups and share knowledge to enhance the team's skills in a hybrid work environment.
Top Skills: Java
14 Days Ago
Remote
Belfast, Northern Ireland
Senior level
Senior level
Information Technology
The Senior Java Developer will lead the design and implementation of scalable microservices for an advanced cloud contact center platform. Responsibilities include mentoring engineers, conducting code reviews, addressing technical debt, and collaborating with cross-functional teams while ensuring high code quality and performance.
Top Skills: Java
14 Days Ago
Remote
Belfast, Northern Ireland
Senior level
Senior level
HR Tech • Information Technology
As a Senior Back-End Engineer, you will design and develop secure APIs, build integrations, own the implementation cycle, collaborate with cross-functional teams, and contribute to architectural decisions to support rapid company growth.
Top Skills: JavaPython
15 Days Ago
Remote
Belfast, Northern Ireland
Senior level
Senior level
Information Technology
The Senior Java Developer will lead the design and development of scalable microservices for a cloud contact center platform. Responsibilities include architecting solutions, mentoring team members, conducting code reviews, and collaborating with cross-functional teams to enhance enterprise campaign management features.
Top Skills: Java
Yesterday
Remote
Belfast, Northern Ireland
Mid level
Mid level
Hardware • Information Technology • Other • Software • Analytics
As a Senior Software Developer at Transporeon, you will develop and implement customer-specific logistics solutions using Java and related technologies. You'll collaborate with internal stakeholders, manage support tickets, ensure code quality, and provide technical support for customer integrations while mentoring less experienced colleagues.
Top Skills: Java
Yesterday
Remote
Belfast, Northern Ireland
Junior
Junior
Hardware • Information Technology • Other • Software • Analytics
As a Software Engineer, you'll develop backend services in Java and Spring Boot for transportation software solutions, overseeing service development, testing, and deployment while ensuring best practices in coding and CI/CD. You'll work within a global team environment, contributing innovative solutions and maintaining high-quality standards.
Top Skills: Java
Yesterday
Remote
Belfast, Northern Ireland
Senior level
Senior level
Hardware • Information Technology • Other • Software • Analytics
The Senior Software Engineer will develop innovative platform services for the transportation domain, focusing on backend services using Java and Spring Boot. Responsibilities include architecture design, service development, maintenance, and ensuring best practices in coding and collaboration with cross-functional teams.
Top Skills: Java
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