core java developer jobs in Newtownabbey

Java Software Engineer – Multiple Roles (Junior to Senior) Want to work with one of Northern Ireland’s fastest-growing tech companies? Looking for a team where your input genuinely shapes the architecture and direction of projects? How about working on greenfield builds using the latest Java and cloud technologies every day? The Role You’ll be developing high-quality, scalable Java solutions...

- Strong experience in .NET Core/ ASP.NET Core (Web APIs, microservices). - Expertise in AWS serverless services (Lambda, API Gateway, DynamoDB, S3, etc.). - Knowledge of DevOps practices and CI/CD pipelines. - Proficiency with Git and automated deployment strategies. - Experience with SQL/NoSQL databases (SQL Server, PostgreSQL, DynamoDB). - Familiarity with Docker and containerization. - Strong...

Java Developer – Product Engineering £60,000 – £90,000 | Remote-first (monthly meet-up in Midlands office) We’re working with a fast-growing software company that’s transforming how businesses manage complex financial workflows. Their AI-first platform helps customers simplify operations, increase transparency, and make smarter decisions — and they’re scaling quickly as demand grows. They’re...

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview We're looking for multiple talented engineers Server Side , to join one of our high-impact teams...

About Apexon: Apexon brings together distinct core competencies – in AI, analytics, app development, cloud, commerce, CX, data, DevOps, IoT, mobile, quality engineering and UX, and our deep expertise in BFSI, healthcare, and life sciences – to help businesses capitalize on the unlimited opportunities digital offers. Our reputation is built on a comprehensive suite of engineering services, a...

Senior Java EFX Platform Developer Location: Fully Remote (UK-based) Contract: 12 Months (likely extension) Industry: Investment Banking / FX E-Trading The Opportunity We're partnering with a leading investment bank on a major greenfield build - a brand-new, in-house FX E-Trading platform. This multi-year programme is at an early stage, offering the chance to help shape architecture,...

My client is a global leading Digital Consultancy specialising in Cloud Adoption, Digital Architecture/Transformation & NextGen AI Solutions, with offices in London, Manchester, Newcastle and Glasgow, providing flexi working model (option of remote or hybrid with ad hoc client site travel). They are looking for two Java Full Stack Engineer's (Jnr-Mid level) to join a rapidly growing team,...

Senior Software Developer - Java / Python with Delphi We’re looking for an experienced Software Engineer (Java/Python) to join a high-profile government project focused on modernising and integrating complex systems within a secure environment. You’ll work across backend development, integration and automation – with occasional support for legacy Delphi components as part of wider platform...

Java Developer Hybrid (Belfast) | 6-Month Contract | Inside IR35 Our client, a leading organisation within the financial services sector, is seeking an experienced Java Developer to join their Belfast-based technology team on an initial 6-month contract (Inside IR35). This is an excellent opportunity to work on high-performance, data-driven applications within a fast-paced enterprise...

Summary Our growing team is looking for experienced backend software engineer to help us build and maintain software systems in support of our business and partners. If you are an experienced software engineer with a passion for good design and architecture, with great interpersonal skills we want you! The Sr Software Engineer will be responsible for providing support for contributing to new...

You will work closely with developers and QA engineers to ensure seamless automation, rapid feedback cycles, and high-quality software delivery. Key Responsibilities - Maintain and administer TeamCity servers and clients. - Design, configure, and maintain TeamCity build projects.

You will need to be a proactive individual who will relish the opportunity to work in a growing and evolving environment – a real opportunity to make an impact and grow your career. This is an excellent and rare opportunity to be exposed to the latest technologies and diverse industry and environment applications, please apply as soon as possible to arrange an initial and informal conversation,

Android Developer Location: Hybrid – Remote with occasional travel to Belfast HQ Salary: £60,000 – £70,000 About the Role A rapidly growing, award-winning tech company is seeking an experienced Android Developer to join its product development team. This organisation is a home-grown success story, recognised in the Deloitte Fast 50 and multiple industry awards for product innovation and...

Who we are Datactics is a scaleup software company, headquartered in Belfast. We provide innovative software to blue-chip financial services companies and major government departments for data management. The company specialises in data quality and data matching technology to solve complex business challenges related to regulatory compliance and creating a single view of customer or citizen. Our...

Summary Special Olympics transforms lives through sport. Through our sports, health and leadership programmes our athletes learn to be physically, mentally and emotionally fit. They get to learn new skills, increase confidence and most importantly they get to experience the joy of sport and make life-long friendships! None of this would be possible without the great passion, energy and support...

You will have a truly global reach, which will provide you with new experiences and development opportunities right here in Belfast's iconic Titanic Quarter.

You will need to employ strong communication skills, necessary to effectively produce client solutions. This job description provides a high-level review of the types of work performed.

About the Company: Our client is a fast-growing global trading firm with deep expertise across traditional and digital asset markets. Built by technologists and financial engineers, their platforms are designed for scale, resiliency, and high performance. They are now establishing a new engineering hub in Belfast as part of a long-term investment to build core trading systems and infrastructure...

My client is a global leading Digital Consultancy specialising in Cloud Adoption, Digital Architecture/Transformation & NextGen AI Solutions, with offices in London, Manchester, Newcastle and Glasgow, providing flexi working model (option of remote or hybrid with ad hoc client site travel). They are looking for a Senior Java Full Stack Engineer's (Jnr-Mid level) to join a rapidly growing team,...

Java Software Engineer – Multiple Roles (Junior to Senior) Make sure to apply quickly in order to maximise your chances of being considered for an interview Read the complete job description below. Want to work with one of Northern Ireland’s fastest-growing tech companies? Looking for a team where your input genuinely shapes the architecture and direction of projects? How about working on...

About the Company: Read all the information about this opportunity carefully, then use the application button below to send your CV and application. Our client is a fast-growing global trading firm with deep expertise across traditional and digital asset markets. Built by technologists and financial engineers, their platforms are designed for scale, resiliency, and high performance. They are...