51 to 66 of 66 JavaScript Jobs in Belfast

Senior Software Engineer – Open‐Source Platform & AI

Location
Belfast City District, Northern Ireland, United Kingdom
engineering teams and take ownership of substantial parts of Budibase, delivering production-ready solutions end-to-end. We’re looking for engineers with strong JavaScript or TypeScript fundamentals who can work across frontend and backend, own product or technical work from problem to production, and thrive in a small, autonomous ...

Senior UI Engineer - Hybrid (Belfast) React & Data Viz

Location
Belfast City District, Northern Ireland, United Kingdom
interfaces, collaborate with designers and product managers, and contribute to a fast-paced development cycle delivering secure, data-rich applications. The role requires strong JavaScript/TypeScript, 3+ years React, WCAG, and experience with component libraries. Hybrid work with at least two days in the Belfast office, and a passion ...

AI Enablement Lead (Belfast based)

Location
Belfast, Northern Ireland, United Kingdom
concepts and train others effectively Nice to Have Experience working in a SaaS or high‐growth environment Experience with Salesforce Basic coding ability (Python, JavaScript or similar) What We're Looking For Builder mindset – someone who ships, not just plans High ownership and accountability Comfortable working in a fast‐moving ...

AI Enablement Lead

Location
Belfast City District, Northern Ireland, United Kingdom
concepts and train others effectively Nice to Have Experience working in a SaaS or high‐growth environment Experience with Salesforce Basic coding ability (Python, JavaScript or similar) What We’re Looking For Builder mindset – someone who ships, not just plans High ownership and accountability Comfortable working in a fast‐moving ...

Remote Intern Software Engineer - Compilers (WebAssembly) - Amsterdam [two positions] (Remote)

Hiring Organisation
Leaning Technologies
Location
Belfast, United Kingdom
modifications, including code that uses multi-threading, reflection and other advanced Java features. CheerpJ uses it's sophisticated Just-In-Time compiler to build JavaScript functions out of the original Java bytecode. Your task will be to implement some self contained improvements to the JIT. Familiarize yourself with CheerpJ Learn ...

Senior Developer (JavaScript, ASP.NET MVC)

Location
Belfast, Northern Ireland, United Kingdom
required What you will bring Strong professional experience with C# and ASP.NET MVC Strong SQL Server experience Experience in developing with for the web: JavaScript, HTML, CSS Knowledge of principles of writing mobile apps and deployment on apple and android app stores Experience using GitHub for source control and collaboration ...

Rails Software Engineer II - Remote, Growth-minded

Location
Belfast City District, Northern Ireland, United Kingdom
with product stakeholders, and contribute to customer-facing features, internal tools and ongoing reliability. You’ll be comfortable across the stack (Ruby on Rails, JavaScript, CSS) and write robust tests. #J-18808-Ljbffr ...

Remote Remote Mobile Engineer - React Native (Remote UK)

Hiring Organisation
Bitfinex
Location
Belfast, United Kingdom
personal attributes and experience outlined above. On top of this, we expect you to be: Comfortable with high-availability concepts. Highly proficient in JavaScript and ES6+. Thoroughly experienced with React, React-Native (mainly around Expo), Redux and the core principles surrounding these. Familiar with modern front-end pipelines and tools. ...

Senior Software Engineer (Back-End)

Location
Belfast, Northern Ireland, United Kingdom
## Senior Software Engineer (Back-End)Applylocations: Belfasttime type: Full timeposted on: Posted 3 Days Agojob requisition id: R5500The TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to provide clients ...

Senior Software Engineer (Back-End)

Location
Belfast City District, Northern Ireland, United Kingdom
About TP ICAP Group The TP ICAP Group is a world leading provider of market infrastructure. Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and ...

Trainee Web Developer

Hiring Organisation
IT Career Switch
Location
Belfast, County Antrim, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £45,000 per annum
little as 3-6 months: Step 1 - Introduction to Development - Complete a selection of professional and industry recognised coding courses covering HTML5, CSS3, Javascript and Python. The training is delivered via multimedia rich video tutorials, presentations and quizzes, through a portal that you study from home. These courses will give … friendly advisors will be in touch. Keywords: Coding, programming, web developer, software developer, app developer, Trainee, PHP, HTML, SQL, CSS3, Java, Javascript, Python, C#, Trainee Web Developer ...

Remote Full Stack Engineer (100% Remote Ireland)

Location
Belfast, County Antrim, United Kingdom
accelerate experimentation, delivery, and impact What You Will Own Innovation Engineering & Product Development Design, prototype, and deliver new features across backend (PHP) and frontend (JavaScript) that extend Matomo s capabilities Work across additional technologies where needed, including Python and Node.js Rapidly explore and validate new product ideas including … fully remote, global environment What You Bring Requirments 3-5 years experience with backend development in PHP or Python, databases, and frontend development in JavaScript Proven track record of delivering features end-to-end from concept through prototyping to production Strong problem-solving skills with a pragmatic approach to innovation ...

Full-Stack Engineer - Scrum (m/w/d) Remote

Location
Belfast, County Antrim, United Kingdom
innovation team using AI-powered development tools to accelerate experimentation, delivery, and impact Design, prototype, and deliver new features across backend (PHP) and frontend (JavaScript) that extend Matomo s capabilities Work across additional technologies where needed, including Python and Node.js Rapidly explore and validate new product ideas including … offs clearly within a fully remote, global environment 3-5 years experience with backend development in PHP or Python, databases, and frontend development in JavaScript Comfortable balancing rapid delivery with sustainable engineering quality Experience writing automated tests, reviewing code, and producing technical documentation Excellent English communication skills, with the ability ...

Software Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
Engineer with strong engineering fundamentals and good product instincts. You might be a good fit if you: Have professional software engineering experience Have strong JavaScript or TypeScript fundamentals Are comfortable working across frontend and backend Have shipped real product features to users Care about usability and product quality Can take … curiosity, and the ability to learn and ship matter more. Useful experience Experience with any of the following is useful, but not required: TypeScript, JavaScript, Node.js, React, Svelte, or similar Full-stack SaaS products Databases, APIs, and third-party integrations Workflow or automation products Internal tools, low-code, or developer ...

Software Engineer II - (Ruby)

Location
Belfast City District, Northern Ireland, United Kingdom
product. This role is well suited to someone with solid Ruby on Rails experience who is comfortable working across the stack, including JavaScript and CSS when needed. We work best with self-starting team players: people who take ownership, communicate clearly and enjoy working in small, focused teams. …/response cycle. Ability to work independently on well-defined tasks while collaborating effectively with the wider team. Comfortable working across the stack, including JavaScript and CSS when needed. Familiarity with writing tests using Minitest, RSpec or similar. Comfortable debugging and troubleshooting production issues. Good communication skills, with the ability ...

Product Manager - Website Building

Location
Belfast City District, Northern Ireland, United Kingdom
Job Title Product Manager - Digital Software Working Hours/Arrangements 40 hours per week (9am to 6pm, including one hour of unpaid break) office based or remote Salary Range £45k-£65k depending on location and ...