JavaScript Developer jobs in Belfast

Company: 8 Signals Limited About us 8 Signals is a UK-based software development company specialising in building tailored digital solutions that help businesses solve complex problems and streamline their operations. We combine strong technical expertise with a deep understanding of our clients’ requirements to deliver high-quality software, whether that’s new applications, enhancements to...

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...

Position: Web Scraping Engineer - Javascript, Typescript Company: FlatPlan Website: https://flatplan.io Work hours: 10am - 6pm GMT / Mon - Fri Holidays:29 days Summary Hi, I’m Kieran, CEO at FlatPlan. We’re a SaaS business that enables media companies to deliver breaking news articles to millions of people on Apple devices. We’re a small, passionate team that work closely with some...

Full Stack Engineer (JavaScript) – Tech Start-Up Remote (UK-based only) | Flexible Hours c£90k + Benefits (Pension, Private Healthcare, Death-in-Service, Equity Potential) Please note: Applicants must be UK-based with full right-to-work. Sponsorship is not available. The Role We're looking for a senior, backend-leaning Full Stack Engineer who thrives in the controlled chaos of a true...

Company Description Imaginaire is a boutique ecommerce agency based in Nottingham, specialising in ecommerce design and development, SEO, and PPC services. Focused on Shopify and Shopify Plus platforms, we help brands across the UK create tailored, high-quality headless ecommerce solutions. The Role We’re looking for a mid-level/senior frontend developer to join our ecommerce delivery team...

MCS Group is working with a Belfast-based technology company that builds complex and bespoke solutions for public and private sector clients across the UK, Ireland and beyond. They're growing fast and are looking for a mid-level Dynamics 365 Developer to join their growing team. The Developer will work on end-to-end delivery of Dynamics 365 solutions, translating real business problems into...

We are now looking for an experienced Dynamics 365 developer to join our existing Dynamics Professional Services team. Core Duties/Responsibilities You will work within a project team advising and delivering complex Microsoft Dynamics 365 solutions for key clients, which involves: Translate business requirements into workable solutions, Work collaboratively with Project Managers, Business...

Backend Developer ( Node.js/ AWS -100% remote role with access to Belfast offices for those that want to collaborate) (Please note candidates should reside in NI) * Salary: £70,000 - £85k base + 10% bonus About the Company: Join a global digital content and technology business with millions of daily users and a large-scale platform delivering high-volume content to web, mobile, and partner...

Senior Software Developer Salary: £36,122 + £7,542 annual salary supplement Location: Belfast We are seeking an experienced Senior Software Developer to join a well-established in-house technology team supporting a large, complex organisation with critical digital services. This role offers the opportunity to work on a wide range of systems-from workflow-based database applications to highly...

Integrations Developer Remote As a seasoned and flexible Integrations Developer, you will play a key role as part of a skilled and multi-disciplinary development team delivering innovative solutions as part of the DX Programme. You will be responsible for designing, developing and implementing solutions using the MS Integration Services & MS Power Platform suite including but not limited to...

.Net / Blazor Developer, Fully Remote, £60,000 - £85,000 per annum About the Role: Our client, a leading AI solutions consultancy are seeking a highly skilled Blazor Developer to join their team. As a Blazor Developer, you will play a critical role in creating and optimising web applications built on the Blazor framework. Your expertise in development will help their clients bring their...

Salary: £40-£45k (DOE) Reporting to: Technical Director Location: Hybrid or fully remote (UK only) Role type: Full time Who we are We’re Field — a design-first Shopify Plus e-commerce agency working with premium, high-growth brands. We’re a small, senior, tight-knit team of designers and developers who genuinely enjoy working together, and our retention rate (both team and clients) reflects...

Job Types: Full-time, Permanent Work Location: Remote (UK-based only) Salary: £50,000–£60,000 depending on experience About Us Asseticom is a dynamic software company specialising in asset management data capture solutions for the built environment. Our platform empowers global engineering consultancies, central government, and facilities management firms to optimise asset information through...

Senior .Net Developer Location: Belfast (Hybrid) | Type: Full-Time | Permanent A leading global technology firm is seeking a Senior Software Developer to help manage and evolve its mission-critical trading systems. This role involves building scalable systems that directly impact market access on a global scale. What you'll do? Develop, enhance, and maintain complex systems using C# (.NET Core),...

Senior Java Developer - 100% remote. * Salary: up to £70k + bonus+ benefits. About the Company: Our client is a global technology company operating in the payments space. They're investing heavily in their engineering capability across Northern Ireland, with a focus on building modern, scalable platforms that support businesses in managing and growing their operations. Their engineering teams...

Frontend Developer - React / TypeScript About the Role We're partnered with a well-established SaaS company delivering innovative Business solutions to customers across the UK, Ireland and beyond. The team has built a reputation for exceptional customer service, technical excellence, and a genuine commitment to work-life balance. They're now looking for a Frontend Developer (React) to join their...

MCS Group is delighted to be partnering with a leading Northern Ireland-based technology organisation to recruit a Principal Software Engineer at a pivotal time in their growth journey. This is an exciting opportunity to join a business that specialises in delivering complex, bespoke software solutions to both public- and private-sector clients. With a dynamic, forward-thinking culture, they're...

Principal React Engineer Location: Northern Ireland Remote First with optional office access Employment type: Permanent Salary: £85,000 to £100,000 Remote: Yes Overview This is a senior technical leadership role for an experienced React engineer who can set frontend direction, deliver high performance user interfaces, and mentor engineering teams. You will own frontend architecture, build...

MCS Group is proud to be partnering with the Northern Ireland Assembly, in their search for a Temporary Senior Software Developer: The role: Plan and lead the analysis and development of sets of related user stories using Agile processes, including liaison with users throughout the organisation to create work item technical specifications; Contribute to the system design and have an understanding...

MCS Group is delighted to be partnering with one of our closest clients, a rapidly scaling Insurtech firm, to recruit a Software Development Engineer in Test at a hugely exciting time for the business. With significant investment secured for 2025, the technology team is set to expand by over 50% in the first half of 2026, including major growth within the testing function. This exclusive...