1 to 25 of 30 Java Developer Jobs in Northern Ireland

Full Stack Developer (Java/Python/Go) Belfast Contract Our client is seeking a Full Stack Developer (Java/Python/Go) to join a leading global Tier 1 financial institution undergoing a major transformation of its technology landscape. You will support with evolving … leveraging AWS and Google Cloud. In this role, you will design, build, and operate resilient, scalable, and secure applications and services. Role : Full Stack Developer (Java/Python/Go) Contract duration : 12 months initially (with scope to extend) Location : Belfast – 3 days onsite, 2 days working from ...

Java Developer - Spring Boot & Microservices At a Glance Java developer role building high-quality solutions with Spring Boot and microservices Hybrid working from Belfast £30k - £40k Work directly with clients to agree technical designs and shape user journeys Genuine mentoring and knowledge-sharing culture, with room … paced environment where developers are trusted to make sound, reasoned decisions and to engage directly with clients on technical design. The Role As a Developer, you will report to the Head of Engineering and work as part of a close-knit engineering team. You will be a key point ...

Title Senior Java Developer Overview Ocho is partnering with a high-growth cybersecurity organisation to hire a Senior Java Developer to join their expanding Belfast engineering team. You'll be working on cutting-edge platforms used by globally recognised, blue chip clients, tackling complex security challenges … star engineering team where you'll have real ownership, influence and clear progression. Key Responsibilities Design and build scalable backend systems using Java Develop secure, high-performance services in a cloud-native environment Work on complex, real-world cybersecurity challenges Collaborate with senior engineers, architects and product teams Contribute ...

across 34 countries and 5 continents including North America, South America, Europe, Asia, Australia, and Middle East. About the Role: Job Title – Backend Java Developer Location – Belfast, UK Mode of Work – Hybrid (3 Days Onsite Per Week) Type of Hiring – Fixed Term Employment (FTE – 12+ Months) Recruitment Process … offer their will be a normal HR discussion and Documentation process. Job Summary: Seeking a Specialist with 5 to 7 years of experience in Java Frameworks to design develop and maintain scalable microservices using Java Spring and Spring Boot Skills Mandatory Skills: Java, Spring, Spring Boot, Spring ...

implement intelligent automation, anomaly detection, or data classification solutions within the regulatory reporting pipelines. Hands-On Development: Write clean, robust, and testable code using Java and Spring Boot, setting a high standard of engineering quality for the team. Component Design: Design scalable application components, microservices, and data integration layers … Professional Experience: Significant experienceof hands-on software engineering experience in enterprise-scale environments, with a proven track record of delivering robust, high-performance applications. Java/J2EE Expertise: Deep, authoritative knowledge of the J2EE platform and Core Java (Java 8 and above), including advanced concepts such ...

complete qualifications and certificates. This is your chance to make a real impact. We’re on the lookout for a talented and experienced Java developer to join our rapidly growing team. Every day is different, requiring your in-depth knowledge of engineering and architectural principles to design … possible. This is your chance to drive digital transformation and shape the future of services for the UK. Explore the exciting possibilities as a developer at Deloitte, where your skills meet unparalleled opportunities. Connect to your skills and professional experience We partner with incredible clients across a variety ...

complete qualifications and certificates. This is your chance to make a real impact. We’re on the lookout for a talented and experienced Java developer to join our rapidly growing team. Every day is different, requiring your in-depth knowledge of engineering and architectural principles to design … possible. This is your chance to drive digital transformation and shape the future of services for the UK. Explore the exciting possibilities as a developer at Deloitte, where your skills meet unparalleled opportunities. Connect to your skills and professional experience We partner with incredible clients across a variety ...

Role: Java Developer Type: PERM/FTE Location: Belfast, Northern Ireland Working Model: Hybrid VISA SPONSORSHIP is also Available Core Responsibilities: Develop: Architect and maintain robust Java-based microservices leveraging Spring and SpringBoot frameworks. Lead: Guide development efforts, mentor junior developers, and ensure code quality, security … performance. Collaborate: Partner with cross-functional and DevOps teams to automate deployments and deliver high-quality solutions. Key Skills Required: Mandatory: Java, Spring, SpringBoot, and SpringMVC. Experience: 5-7 years working with Java microservices, cloud platforms, and containerization technologies. Let me know if you are interested ...

stay ahead in a rapidly evolving financial landscape, offering comprehensive solutions that drive business transformation and sustainable growth. We are looking for an experienced Java Developer to join a fast-moving delivery team building a new regulatory reporting platform for a global financial services firm. This … build focused on MiFID II transaction reporting, trade transparency, and instrument data — replacing a legacy system with a cloud-native microservices architecture (Java 17, Spring Boot, AWS, CI/CD). You’d be working closely with BAs, compliance SMEs, and QAs to deliver genuinely business-critical features. ...

implement intelligent automation, anomaly detection, or data classification solutions within the regulatory reporting pipelines.Hands-On Development: Write clean, robust, and testable code using Java and Spring Boot, setting a high standard of engineering quality for the team.Component Design: Design scalable application components, microservices, and data integration layers to support … environments, with a proven track record of delivering robust, high-performance applications.Java/J2EE Expertise: Deep, authoritative knowledge of the J2EE platform and Core Java (Java 8 and above), including advanced concepts such as multi-threading, concurrency, memory management, JVM profiling, and performance tuning.Spring Ecosystem: Extensive experience building ...

Intermediate Java Developer At a Glance Three roles available ... this is not a role to compare with others at a similar level locally Java, Spring Boot, AWS ... mission-critical trading, operations, and risk infrastructure Hybrid working from Belfast Competitive package and benefits Asia's leading … degree in a relevant field from a strong university Solid Computer Science fundamentals ... you understand what is happening under the hood Hands-on Java experience, ideally including Spring Boot Experience working in cloud environments, AWS preferred Right to work in the UK Nice to have Background in fintech ...

Citi is seeking a Java Developer AVP in Belfast for a hybrid role (up to 2 days at home per week). You will help build and maintain Java applications that power our trading platforms, focusing on performance, reliability and scalable REST APIs with secure authentication. Work ...

have a great reputation for Digital Applications delivery. Due to our growth trajectory, we are now seeking a number of talented, driven and ambitious Java Developers to help drive innovation and product delivery within one of our key clients.This is an exciting opportunity for a Java Developer … exposure to the Apigee platform which is one of the leading API platforms in the market place.The ideal candidate will have experience of delivering Java solutions across enterprise level projects/programmes.It is a position with excellent career prospects, suitable to someone looking to make the next step ...

solutions for our customers and participating in a highly collaborative group of software engineering professional’s. Learning, developing your skills and becoming a rounded Developer in the process. You will develop software to meet our client's user needs using Java on the AWS Cloud platform, follow best … practice guidelines and help to improve those guidelines. In addition to Java you will contribute to the other areas of development within the project using latest technologies. You will be creating best in class documentation with our client users in mind.Qualifications5+ years Java development experience Experience with ...

transaction for its entire lifetime thereby allowing full traceability from front office to back office providing great business benefit. This role is for a developer position responsible for accomplishing results through hands on development/bug fixes of our Java application. The overall objective of this role … meet performance and scalability requirements Comfortable in using AI based coding assistants and AI powered SDLC processes Mandatory Skills Strong commercial experience as a Java developer. This will be tested during interview stage Experience in REST API and authentication mechanisms (OAuth/Basic Authentication) Messaging Systems experience ...

transaction for its entire lifetime thereby allowing full traceability from front office to back office providing great business benefit.This role is for a developer position responsible for accomplishing results through hands on development/bug fixes of our Java application. The overall objective of this role … support documentationEnsure applications meet performance and scalability requirementsComfortable in using AI based coding assistants and AI powered SDLC processesMandatory SkillsStrong commercial experience as a Java developer. This will be tested during interview stageExperience in REST API and authentication mechanisms (OAuth/Basic Authentication)Messaging Systems experience ...

maintainable solutions for our customers and participating in a highly collaborative group of software engineering professionals. Learning, developing your skills and becoming a rounded Developer in the process. You will develop software to meet our client's user needs using Javaon the AWS Cloud platform, follow best practice guidelines … development within the project using latest technologies. You will be creating best in class documentation with our client users in mind. Qualifications 5+ years Java development experience Experience with the Spring framework (Spring Boot 1 & 2) for the development of new or existing Microservices SQL databases (Oracle or PostgreSQL ...

deeply embedded within our DNA. Invest in us and we’ll invest in you!. Job DescriptionWe are seeking an experienced Senior Kotlin Developer to join our UK Digital & Cloud Practice. Our Digital Practice is expanding rapidly and there will be an opportunity for you to achieve medium ...

Citi Belfast is hiring Experienced Backend Java Developers to contribute to, and in some cases lead, the design and development of core backend services. The role spans Assistant Vice President to Senior Vice President levels, with a hybrid working model (up to 2 days from home per week ...

Citi Belfast is seeking Experienced Backend Java Developers to join our Technology team in Belfast. Roles range from AVP to SVP level, contributing to a variety of development activities and end-to-end lifecycle ownership. We offer a hybrid work model (up to 2 days home), competitive base salary ...

looking for an enthusiastic & talented server side engineer, to join one our high-impact teams inside Citi’s CTO organisation. You’ll sit within Developer Enablement, a group focused on innovation, developer platforms and internal tools used across the bank, where we experiment and ship fast, like … experience building and running production-grade services. You're still writing code regularly. You're good at itStrong server-side engineering skills: Kotlin or Java (we’re using Java 21), building and consuming RESTful APIs.Proficiency with relational and/or NoSQL databases: Couchbase, PostgreSQL or MongoDB.Highly Desirable skillsExperience ...

Job ID: 97625839872Posted: 2026-08-21Location: Belfast, Northern Ireland, United KingdomCategory: Technology, Applications Development, ProfessionalCompany: CitiCiti is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more ...

Job ID: 97625839872Posted: 2026-08-21Location: Belfast, Northern Ireland, United KingdomCategory: Technology, Applications Development, ProfessionalCompany: CitiCiti is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more ...

hackajob is partnering directly with Version 1 to hire for this role. Company Description Version 1 has celebrated over 28 years in Technology Services and continues to be trusted by global brands to deliver solutions ...

ASPEN platform, work within a global tech group, and help deliver secure, scalable solutions in an agile setting. Ideal candidates will have strong Java/Angular experience and be comfortable collaborating across functions. The role supports a hybrid work arrangement and a comprehensive benefits package. #J-18808-Ljbffr ...