Back-end Developer jobs in Belfast

About Aero A digital experience company, we sit at the intersection of insights, creativity and technology, crafting digital experiences that transform business performance. We’re a small, fully remote team with big ambitions. We work hands-on with our clients, giving our teams genuine ownership of their work. Every project you touch will be seen by thousands of people and will directly...

Position: Front End JavaScript Developer Reports to: Front End Development Team Lead Hours: 40 hours Location: 3 days in North London office (Monday – Wednesday) Salary: £60 - £80,000 + eligibility for performance bonus Start date: ASAP Purpose of the role: As a Front End Developer you will join one of our multinational Scrum teams to create state-of-the-art software solutions. In all...

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 Overview Citi is a world-leading global bank. We have approximately 200 million...

You will play a key role in supporting the execution of the Backend Test Strategy, coordinating across teams and products, and ensuring the delivery of robust, secure, and performant backend solutions. If you are passionate about backend quality, automation, and engineering excellence, we would love to hear from you!

You will also work with Napier tech leads, Solution Architects, Product Owners, and other stakeholders to help design technical solutions in support of Napier’s wider business and technical goals. Your creativity and innovative ideas will be encouraged and supported - we are ready to hear your ideas!

You will work within an Agile environment, from design through to implementation, with a strong focus on continuous improvement whilst working collaboratively as part of self-organising, cross-functional team with a focus on continuous integration and deployment. Role Responsibilities

You will work within an Agile environment, from design through to implementation, with a strong focus on continuous improvement whilst working collaboratively as part of self-organising, cross-functional team with a focus on continuous integration and deployment. Role Responsibilities

You will work as part of a collaborative R&D team focused on delivering high-quality features, and developing the client architecture using the latest UI patterns.

You will be hands-on, able to contribute individually and will be working in a fast-paced environment.

You should have proven experience developing front-end applications using modern JavaScript frameworks, with a focus on React.

You will have the opportunity to: - Bring experience in sales, business development, health, coaching or leadership — or simply be willing to learn - Recommend pharma-grade, science-backed products - Earn commission + global income streams through product referrals & international team building

Software Developer (Web & Internal Tools) Remote-first | UK-based up to £50,000 PA Dependent on experience We’re supporting a well established UK adventure business that has recently brought its website development in-house and is now modernising internal systems and tooling. This is a hands on role in a small, trusted tech team, working across a customer facing web platform and the internal...

We’re Cuva Health, a UK healthcare start-up on a mission to make access to treatments simpler, safer, and more convenient. Our digital platform is built with React.js & Nuxt.js, and we’re looking for a Full-Stack Developer to help us complete our initial project, deliver new features, optimise performance, and scale our platform as we grow. What you’ll do - Develop and extend our React.js &...

National Business Development Manager Liverpool, Manchester, Leeds, Sheffield based Salary: £42-45k (up to £50k for top performers) + OTE £15-25k Package: £700 pcm car allowance, mobile, laptop, iPad, pension, 24 days holiday We're looking for a hunter‑style salesperson to drive new business across the UK dealer network. This is a national role with full autonomy - you'll manage your own...

Business Developer – Biomethane & Biogas - UK & Ireland Sector: Renewable Energy | Biomethane & Biogas Contract: Full-time | Senior-level About SYSADVANCE SYSADVANCE is a growing, agile, multinational company, deploying innovative solutions for the biomethane and biogas market. Market leaders, with a strong entrepreneurial culture, we support developers, operators and industrial clients in...

Business Development Manager – CRO (Europe-focused) We have recently partnered with a full-service Contract Research Organisation that is looking to appoint a Director of Business Development to play a key role in driving its next phase of growth. This is a high-impact opportunity for a commercially driven BD professional who wants to step into a visible, strategic role with clear progression...

Carpigiani UK Carpigiani UK is a direct trading subsidiary of Carpigiani Ali Spa, the undisputed world leader in the manufacture of gelato & ice cream and frozen beverage equipment (Itself, part of Ali Group). CUK has a broad client base across many sectors, nationwide (QSR, Leisure, Casual Dining, Fine Dining, Retail etc.). We are a close-knit UK team of circa 40 directly employed staff where...

You will work closely with cross-functional teams to deliver scalable and efficient applications while following best practices in software development. If you are passionate about technology, problem-solving, and working in a dynamic environment, we would love to hear from you!

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.

We're Cuva Health, a UK healthcare start-up on a mission to make access to treatments simpler, safer, and more convenient. Our digital platform is built with React.js & Nuxt.js, and we're looking for a Full-Stack Developer to help us complete our initial project, deliver new features, optimise performance, and scale our platform as we grow. What you'll do - Develop and extend our React.js &...