Senior Web Application Developer jobs in Newtownabbey

Most “web developers” can’t do this job. Why? Because most have only ever built sites using templates WordPress themes, Shopify stores, Wix layouts. But Bounce? We didn’t touch any of that. Every single line of code was written from scratch. The backend, the frontend, the pages all bespoke. We’ve built a fully custom third-party ticketing platform to compete with Eventbrite, Dice, and...

We are currently working with a Belfast-based tech company that is expanding its engineering team to develop a new, cutting-edge product. They are looking for multiple talented Software Engineers to join their established team and contribute to a greenfield project, building a modern, scalable application from the ground up. As a Software Engineer, you will play a key role in designing,...

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 play a crucial role in designing and implementing scalable, efficient integration solutions using a range of data formats and technologies, including XML, JSON, and CSV. As an expert in XML tooling, XSLT, and data transformation, you will be responsible for ensuring data accuracy, performing complex transformations, and supporting integration and migration processes.

Please note: applications via EasyApply will not be considered. To apply, email your CV & portfolio to careers@tefl.org Department: Technology Reports to: Head of IT / Managing Director Location: Remote (UK-based) Contract: Full-time, Permanent About Us The TEFL Org is the leading provider of accredited TEFL (Teaching English as a Foreign Language) certification courses. With a global...

Role’s Responsibilities - Design, develop, and maintain end-to-end web applications using Python, JavaScript (Node.js/React), and MongoDB. - Build and deploy microservice-based architectures aligned with 12-Factor App principles, ensuring scalability, maintainability, and resilience. - Collaborate with product managers, designers, and other engineers to translate business requirements into...

Application Development Manager - MS dynamics 365, Power Platform Remote with occasional travel £65,000 - £74,000 + exceptional pension + package Fruition are recruiting an Applications Development Manager for a tech for good organisation who make a genuinely positive impact on people's lives. This role will play a key role at a crucial time for the organisation as they invest in their IT...

You will work in an agile software development environment, developing quality and scalable software solutions using leading-edge technologies. Based on business requirements, you will develop code consistent with quality standards and offer support during testing cycles and post-production deployment.

You will be building systems that automate end-to-end workflows from document processing through to statutory filing to make a real impact on tens of thousands of our customers.

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...

UI Engineer required on an initial 12 month contract based in Belfast, Northern Ireland Hybrid opportunity - 3 days office/2 days remote - Minimum 3 Years of professional web application development - Recent experience with React functional components (experience with other frameworks may be considered) - Experience writing integration and unit tests for user interfaces is required - Experience...

Ready for a challenge? Then Just Eat Takeaway might be the place for you. We’re a leading global online delivery platform, and our vision is to empower everyday convenience. Whether it’s a Friday-night feast, a post-gym poke bowl, or grabbing some groceries, our tech platform connects tens of millions of customers with hundreds of thousands of restaurant, grocery and convenience partners across...

React Software Engineer – Multiple Roles (Junior to Senior) Want to work on cutting-edge projects with a team that loves clean, modern front-end engineering? Looking for a place where you’ll actually see your work go live and make an impact? How about joining a team that values learning, collaboration, and innovation — not red tape? The Role You’ll be developing high-quality, performant...

You will develop solutions powered by advanced AI models, deployed across our global Tyco security product line. These solutions utilize cutting-edge Nvidia tools to manage video streams and AI processing.

You will focus on debugging applications to ensure low-latency and high-throughput performance.

🚀 About Webigence and Spark Travel Webigence has 25 years of experience crafting UX‑first, often highly complex software. Our engineers pair forward‑thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is anything but. Alongside a handful of long‑standing third‑party clients, we’re scaling our own SaaS...

Senior Full Stack Developer – SaaS / Field Service Platform Salary: £60,000–£70,000 Location: Ireland or UK (preferably NI or Leeds area) Work pattern: Fully flexible hybrid (remote-friendly) Our client is a homegrown SaaS success story – a multi-award-winning software company developing a powerful field service management platform used by mobile workforces across the UK and Ireland. Their...

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 Excited to grow your career? We value our talented employees, and whenever possible strive to help...

You will work in an agile software development environment, developing quality and scalable software solutions using leading-edge technologies. Based on business requirements, you will develop code consistent with quality standards and offer support during testing cycles and post-production deployment.

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 About the Team: Data Solutions Technology strives to provide measurable competitive advantage to our...

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 Are you looking for a career move that will put you at the heart of a global financial institution?...