Full Stack Java Engineer jobs in Belfast

TP ICAP

OverviewTP ICAP Group is a world-leading provider of financial markets infrastructure and data. Applications processed via employer's online application form. Connectivity (Fix) Senior Engineer - JavaThe Connectivity Engineer (CE) will design, develop, support and enhance client facing and outbound

Ocho People

Senior Software Engineer - (Java / AWS)Belfast | Hybrid | Full-TimeAt a glance Senior backend role with real ownershipJava and Kotlin microservices in a cloud native environmentHybrid working in BelfastSalary up to £70k plus bonusThe Role As a Senior Software Engineer , you'll play a key role in des

Gearset Limited

Gearset is the leading DevOps platform for Salesforce - our users can build and manage many aspects of their Salesforce development from within Gearset, from complex CI/CD pipelines to disaster recovery. The Gearset platform is a standalone tool that sits outside of the Salesforce platform, integrat

Net2Source (N2S)

A global workforce solutions company is seeking a Full Stack Engineer in Belfast. This mid-senior level role involves developing intuitive frontend applications with Next.js and React, implementing backend services using MongoDB, and maintaining high-performance APIs. The position is hybrid, requiri

The Flex

A technology-driven rental company in Belfast seeks a Full-Stack Engineer to design and scale web applications and APIs. This role focuses on building efficient, innovative systems for instant bookings and intelligent operations. The ideal candidate will have strong skills in Node.js, React, and AWS

Olo

A leading SaaS platform provider is seeking a Software Engineer to design and build user-facing products that connect restaurant brands with their customers. This role requires expertise in C#, .NET, and Front-End technologies such as Typescript and React. You will work on developing robust APIs and

TP ICAP

A leading financial markets infrastructure provider in Belfast is seeking a Full-Stack Engineer to shape technical direction and drive engineering excellence. This role involves end-to-end delivery of complex features, guidance in design decisions, and championing best practices across teams. Ideal

Allstate

A leading insurance provider in Belfast is seeking a Senior Consultant II to design and implement software solutions. The role involves owning the full stack, utilizing cloud technologies while driving enterprise-wide innovation through automation. Candidates should have a strong background in Java,

MCS Group

A leading technology business in Belfast is seeking a Full Stack Software Engineer to join its growing platform engineering team. This role offers a chance to work on new projects with a focus on building modern systems rather than maintaining legacy ones. Candidates should have strong experience wi

Astro Studios, Inc.

A leading consulting firm in Northern Ireland seeks a skilled Java Developer. In this role, you will apply Java programming principles, work with cloud technologies, and engage with various stakeholders. The ideal candidate has a minimum of 2 years of experience, strong problem-solving abilities, an

A leading technology firm is seeking a Principal Fullstack Software Engineer to lead the design and development of cloud-based IoT solutions. This role, located anywhere in Northern Ireland, requires strong Java development skills and experience in Agile environments. You will work in a collaborativ

Mineo

An innovative AI-driven recruitment company in the UK seeks a Software Engineer specializing in Java Backend. This position involves designing and operating scalable microservices while collaborating with a dynamic, global team. Candidates should hold an MSc in Computer Science and have over 3 years

Upwind Security

A leading security technology company in Northern Ireland seeks a Backend Engineer to manage project lifecycles from design to deployment. The successful candidate will have at least 1 year of experience in Golang or Java, alongside knowledge of cloud platforms such as AWS or Azure. This role offers

Gearset

Gearset is the leading DevOps platform for Salesforce - our users can build and manage many aspects of their Salesforce development from within Gearset, from complex CI/CD pipelines to disaster recovery.The Gearset platform is a standalone tool that sits outside of the Salesforce platform, integrati

Astro Studios, Inc.

A leading digital consultancy in Belfast is seeking a Full Stack Engineer to deliver transformative solutions to complex business challenges. You will be part of a collaborative team responsible for creating web applications using TypeScript, React, and Next.js. The ideal candidate has proven experi

Inclusion IQ LTD

A leading digital product consultancy in Belfast is looking for an experienced Senior .Net Developer. In this role, you will be part of a high-performing engineering team, delivering bespoke software solutions for international clients. The ideal candidate will have 5–8 years of commercial experienc

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Citi

A leading financial services company is seeking a skilled Lead Java Engineer to spearhead the design and development of enterprise applications. The successful candidate will have extensive Java expertise, comprehensive knowledge of relational and NoSQL databases, and proven leadership abilities in

ViVA Tech Talent

A high-growth fintech platform in Northern Ireland is seeking a Lead Java Engineer to shape their next-gen backend systems. This hands-on leadership role involves designing scalable, distributed systems in Java, leading architecture decisions, and mentoring engineers. Ideal candidates will have stro

Ocho

A fast-growing cybersecurity organization in Northern Ireland is seeking a Senior Backend Engineer specialized in Java or Go. You will focus on designing and scaling backend services for security-critical applications, working with distributed systems and real-time data pipelines. Ideal candidates w