22 of 22 Senior Developer Jobs in County Antrim

critical role in supporting chemotherapy treatment management nationwide, and we are continuing to invest in its safety, quality, and long-term evolution. The Senior Developer role sits within the CIS Oncology product suite (ChemoCare), which supports the management of chemotherapy treatment across the NHS. ChemoCare is a market … with a forward looking programme of work to ensure it continues to provide safe, effective, and valued support to NHS customers. This is a senior individual contributor role, intended for an experienced developer who enjoys hands on work. The role supports reliable delivery, good engineering practice, and ownership ...

seeking a technical, community-first Developer Relations Engineer to become the face of Cloudsmith in the open source world, with impact lasting from today until IPO and beyond. About Cloudsmith Cloudsmith is the world’s most powerful artifact management platform. Software organizations of all sizes rely on Cloudsmith … Cloudsmith to be critical infrastructure as a central part of their software build chain. Cloudsmith is built by developers, for developers. We treasure the developer experience. The Tao of Cloudsmith expresses the values we live by every day. This is a special company, and now is a great time ...

seeking a senior developer to join the Belfast based team part of the Equity Derivatives Pre-Trade technology group. This role will position you as a technical and delivery lead to help to design and deliver the build out of a pre-trade request-for-quote and pricing … regarding personal behaviour, conduct and business practices, and escalating, managing and reporting control issues with transparency. Required Qualifications: Demonstrated Experience as a technical lead senior developer. Extensive experience of system analysis and development of production-quality software applications. Consistently clear and concise written and verbal communication. Experience working ...

Citi in Belfast seeks a senior developer to lead the Equity Derivatives Pre-Trade technology team. You will design and deliver a pre-trade requests-for-quote and pricing platform used globally, acting as technical lead and delivering high-quality software. Collaborate with front office, sales, quants ...

Description At System C, we build technology that supports better outcomes across health and care. We are looking for a Senior Software Developer to join our CIS Oncology product suite, working on ChemoCare, a market leading system that supports the safe and effective management of chemotherapy treatment across … NHS. This is a senior individual contributor role for an experienced developer who enjoys hands on work and taking ownership of complex technical areas. You will play an important role in ensuring reliable delivery, strong engineering practice, and the ongoing evolution of a product that clinicians depend ...

慨正橡扯 based in Belfast is seeking a Senior Developer to join their CIS Oncology (ChemoCare) team to design and develop software that supports chemotherapy treatment management across the NHS. This role requires a strong professional background in C# and ASP.NET MVC, along with experience in SQL Server ...

Description My client is a rapidly growing digital technology company operating within the online consumer and transactional sector. They are looking for a Senior Developer to join their expanding technology team and work on high-traffic, transaction-heavy web platforms. This is an exciting opportunity to work within ...

Senior Consultant - Full-stack Developer - DE - Technology Consulting - UKI - Belfast Location: Belfast Other locations: Primary Location Only Date: 7 Sept 2026 Requisition ID: 1634254 At EY, we’re all in to shape your future with confidence. We’ll help you succeed in a globally connected powerhouse of diverse … teams and take your career wherever you want it to go. Join EY and help to build a better working world. Senior Full-Stack Developer - Technology Consulting – Belfast In Digital Engineering we shape, concept and build innovative solutions that address the most important issues and opportunities ...

looking for a Senior C++ Developer with strong experience in Linux-based development environments and Microservices architecture. This role involves designing and building high-performance, scalable services in a distributed system, with a focus on reliability, maintainability, and performance on an embedded device. Key Responsibilities Design, implement ...

## Senior Java DeveloperApply: Hybrid: Belfast United Kingdom: Full time: Posted Yesterday: 26998296By Joining Citi, you will become part of a global organisation whose mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. Citi Mission … employees should work every single day to be successful and strengthens our ability to execute against our strategic priorities. We are seeking a Java Developer with data/event-driven design and implementation skills to implement our next generation Custody technology. This is a delivery-focused role, and includes ...

Citi in Belfast is seeking a Senior Java Developer to deliver end-to-end development for our custody technology. The role requires design and implementation of event-driven systems, collaborating with stakeholders and delivering high-quality code in a hybrid work setting. You will work on modern Java ...

powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help to build a better working world. Senior Full-Stack Developer - Technology Consulting – Belfast In Digital Engineering we shape, concept and build innovative solutions that address the most important issues … growing our Digital Engineering team in Belfast and is expanding our full-stack engineering capability. This is a fantastic opportunity for a highly capable developer who is ready to operate at a senior level, combining hands-on delivery with technical leadership, mentorship, and ownership of complex systems. ...

Instil Software Ltd. is seeking a Senior C++ Developer to design and build high-performance services in a Linux-based distributed system. You will focus on reliability, maintainability, and performance on embedded devices within a fully remote UK setup. The role requires 7+ years in C++ (C++14/ ...

touch millions and get the opportunity to build the future of finance with Citi Tech. Job SummaryWe are seeking a motivated Front-end Web Developer to join our development team. The successful candidate will work alongside experienced developers to build, test, and maintain web applications using React … precedentsHas the ability to operate with a limited level of direct supervision. Can exercise independence of judgement and autonomy. Acts as SME to senior stakeholders and/or other team members. Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding ...

millions and get the opportunity to build the future of finance with Citi Tech. Job Summary We are seeking a motivated Front-end Web Developer to join our development team. The successful candidate will work alongside experienced developers to build, test, and maintain web applications using React … precedents Has the ability to operate with a limited level of direct supervision. Can exercise independence of judgement and autonomy. Acts as SME to senior stakeholders and/or other team members. Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation ...

company heavily invested its internal engineering capability. Following significant investment in digital transformation, they are growing their software team and looking for an experienced Senior Software Developer to help drive the next phase of development across a large-scale cloud platform used daily by thousands of users. ...

Role Overview Enea are looking for experienced software engineers to immediately join our experienced team. Successful candidates will be enthusiastic about software development and technology and keen to learn about leading edge technologies. If you ...

Ireland. With a network of 10 centres, we continue to grow and are currently seeking to fill the exciting role of Senior Software Engineer. This role can be based at our regional offices in Belfast, Glasgow, Newcastle, or Dublin. About The Role Gavel is our enterprise-grade ...

seeking a platform-minded software engineer to build and own the developer-facing tools that sit at the heart of how engineers integrate with Cloudsmith. About Cloudsmith Cloudsmith is building the operating system for the modern software supply chain. We run a global, fully managed, multi-tenant SaaS platform … companies, secure, govern, and distribute software artifacts at scale. Worldwide, our customers use Cloudsmith as a critical infrastructure control plane for CI/CD, developer workflows, security controls, compliance, and software distribution, supporting 30+ formats and ecosystems across languages, containers, and operating systems. We recently raised our Series ...

looking for an experienced Full Stack Developer to join our growing engineering team. You'll work on cutting-edge web applications that serve millions of users worldwide. Responsibilities Design and develop scalable web applications Collaborate with product and design teams Write clean, maintainable code Participate in code reviews Requirements ...

Mantle in Belfast is seeking a Software Developer for a fixed term - full time role. You will contribute to pensions product development, code, test and deploy features, and collaborate to ensure high-quality delivery. The position requires C programming expertise and experience with CoffeeScript, SQL, and EJS templates. ...

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. ...