backend java developer jobs in Antrim County

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Remote

Principal Java Developer - Fully Remote

Ocho
Belfast

Principal Java Developer - Fully Remote The Opportunity Ocho is partnering with a fast-growing, product-led fintech that's building out a brand-new Development Centre from the ground up to deliver an innovative Greenfield platform. As a Principal Java Developer, you'll be hands-on in designing and developing backend, service, and portal systems that power secure, scalable payment processing....

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11 hours ago
Hybrid

Senior Software Developer with a Backend Focus

Prighter
Belfast

About Prighter Prighter is a fast-growing LegalTech company building productised services and SaaS solutions for compliance with data protection as well as AI & digital governance regulations. With the mission to enable companies around the world to comply with regulatory requirements for their digital business, our services and SaaS solutions guide our global clients through the increasingly...

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3 hours ago
Hybrid

Senior Software Engineer - Java/Kotlin (Developer Enablement) - Vice President - Citi

Citi
Belfast

Job Description 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...

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5 hours ago

Java Software Engineer

Tata Consultancy Services
Belfast

You will work across cutting‑edge platforms including Payment Networks, Digital Banking, Emerging Payments, and highly scalable data and analytics environments built on Google Cloud Platform, Data Lakes and Power BI. This role involves modern engineering, integration, testing, and hands‑on development within a high‑impact digital landscape.

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3 hours ago

Senior Software Engineer - Backend

Zettafleet
Belfast

You will be working closely with the Machine Learning team; however, you are not required or expected to have background in Machine Learning. This is an applied role, and we are looking to hire a software engineer with experience in cloud computing and distributed systems. In this role, you will:

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3 hours ago
Hybrid

AI Backend Engineer - Data & Integration

Digital Iron
Belfast

You will have one staff-level engineering direct report with dotted lines across a team of engineers.

You will be expected to deliver 80% hands-on code development with 20% oversight across our vendors, strategy and a direct report. We can be flexible on title for the right candidate.

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5 hours ago

Senior Backend Engineer (Python & FastAPI)

Prism Digital
Belfast

You will be responsible for the entirety of the back end features of the products.

You will be in charge of building scalable backend services and awesome messaging queues.

You will be responsible for developing a Python-based back end platform that's handling 100,000+s of interactions daily.

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4 days ago
Hybrid

Staff Java Engineer - Cloud-Native Backend Lead

Ocho People
Belfast

A leading technology company based in Northern Ireland is looking for a Staff Java Engineer to design and deliver high-performance backend services in a cloud-first environment. This role offers flexibility with fully remote or hybrid working options. Candidates should have strong experience with modern Java (11+) and AWS, as well as familiarity with microservices and CI/CD environments. The...

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2 hours ago

Software Engineer (Backend & Agents)

Dex
Belfast

About the Team Dex is an AI-powered recruiter, matching exceptional software engineers with top tech companies. We're one of the fastest-growing UK startups, and have raised $3.1M from a16z and Concept Ventures to build a best-in-class voice agent, matching engine and web app experience that will redefine the way that talent and opportunity connect. We're hiring a Python engineer to join our...

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8 hours ago
Hybrid

AI Backend Engineer - Data & Integration

Digital Iron
Newtownabbey

You will have one staff-level engineering direct report with dotted lines across a team of engineers.

You will be expected to deliver 80% hands-on code development with 20% oversight across our vendors, strategy and a direct report. We can be flexible on title for the right candidate.

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6 hours ago
Hybrid

Productivity and Tooling Java Developer - Citi

Citi
Belfast

You will play a key role in developing tooling for the Citi developer community using a range of technologies including Java and SpringBoot microservices on Linux on OpenShift.

You will provide expert guidance, facilitating their onboarding and maximizing their utilization of the innovative tools and platforms you help create.

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5 hours ago

Mid level Java Developer

Ocho
Belfast

Mid-Level Software Engineer (Java) Exciting new FDI About the Company: Our client is a global leader in digital asset innovation, building technology that bridges traditional finance and the emerging crypto economy. Their mission is to create trusted, high-performance systems that enable institutions to seamlessly integrate digital assets into their portfolios and operations. As part of their...

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11 hours ago
Hybrid

Java Software Engineer - Citi

Citi
Belfast

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.

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5 hours ago
Remote

Senior Software Engineer - Java / Kotlin

Ocho
Belfast

You will collaborate with highly capable engineers across Belfast and the wider global engineering organisation, contributing to large scale distributed systems while helping shape engineering standards and best practices.

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11 hours ago
Remote

Software Engineer (Java)

Ocho
Belfast

Software Engineer (Java) Experience level: 2-4 years Are you a Java engineer who enjoys building well-designed systems, writing clean code, and working on problems that actually matter? My client is looking for a Software Engineer with 2-4 years' commercial Java experience to join a collaborative engineering team working on scalable, production-grade systems. This role is ideal for someone who...

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11 hours ago
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Hybrid

Senior Java Engineer

Ocho
Belfast

Job description. Senior Java / Cloud Engineer Location: Belfast / Hybrid Eligibility: UK work authorisation required A global technology organisation operating in the payments and platform space is continuing to invest heavily in its engineering capability. With a strong presence across Northern Ireland, the focus is on building modern, scalable, cloud-native systems that support high-volume,...

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11 hours ago
Remote

Principal Java Engineer

Ocho
Belfast

Company A global, product-led technology business building large-scale digital platforms used by major retail and consumer brands worldwide. This is a true product engineering environment, not consultancy or project-based delivery, with long-term ownership of complex systems operating at significant scale. The Role You'll play a key role in designing and evolving highly scalable backend services...

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11 hours ago
Remote

Staff Engineer ( Java )

Ocho
Belfast

You will operate as a technical adviser across multiple teams, shaping architecture, unblocking delivery, raising engineering standards, and helping systems scale in a demanding domain. Success in this role is defined by durable technical improvements, clearer architectural direction, and stronger collaboration across engineering, product, and platform functions.

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11 hours ago
Hybrid

Senior Software Engineer - Java

Ocho
Belfast

Job description. Senior Software Engineer - Java Location: Belfast / Hybrid Eligibility: UK work authorisation required This role sits within a global technology business building large-scale platforms used by millions of people every day. You'll join a highly capable engineering team working on complex, high-throughput systems where reliability, performance, and clean design really matter. As a...

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11 hours ago
Hybrid

Lead BackEnd Engineer

Ocho
Belfast

You will work closely with product, design, and front end engineers to deliver scalable, reliable functionality that directly supports the product roadmap. This is a hands on back end role where you will influence architecture, drive quality standards, and contribute meaningfully to technical decision making in an environment that values autonomy and engineering excellence.

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11 hours ago
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