8,981+ React Typescript Frontend Engineer Belfast Java Script Works Jobs in Belfast, UK — Local Employers Hiring June 2026

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Senior Frontend Engineer React + TypeScript Expert

Java Script Works is hiring a Senior Frontend Engineer in Belfast, United Kingdom. The ideal candidate will have strong commercial experience with React and TypeScript, and a solid understanding of modern JavaScript (ES6). Responsibilities include working with design systems and ensuring responsive designs. Sala ...

React & TypeScript Frontend Engineer

Salary £100,000 - £100,000 per year Requirements 3 years of experience in frontend development using React and TypeScript. Strong knowledge of modern frontend architecture and best practices. Experience with API design and integration. Familiarity with ...

Frontend Developer React / TypeScript in Belfast Ocho

Salary £70,000 - 70,000 per year Requirements I have 3 years of experience in frontend development with React & TypeScript. I possess experience in API design and frontend performance optimization. I have a strong understanding of modern UI frameworks and best practices... Te ...

Remote Frontend Engineer React & TypeScript

A leading technology provider is seeking a Front End Software Engineer to join their team in Belfast. The role involves working on dynamic web ordering platforms and requires 3+ years of experience. Skills in React, TypeScript, and NextJS are essential. This position is fully remote, providing flexibility to wor ...

Senior Frontend Engineer – React/TypeScript & UX

863 Parameta Solutions (Singapore) Pte. Limited in Belfast is seeking a Senior Software Engineer to shape the future of digital platforms. You will be responsible for designing and implementing scalable front-end solutions in a collaborative Agile environment. The role requires strong expertise in React, Type ...

Frontend Engineer React/TypeScript, Hybrid (Remote)

A cloud security technology company is seeking an experienced Frontend Engineer to join their team. This role involves building innovative user interfaces using React and TypeScript while advocating for user experience and design integrity. You will work on complex challenges and contribute to architectural deci ...

Frontend Engineer: React/TypeScript, Hybrid & Impactful

Upwind Security, Inc. is seeking an experienced Frontend Engineer to enhance our innovative team tackling complex engineering challenges. You will focus purely on frontend development, utilizing technologies like React, WebGL, and TypeScript to build high-performance user interfaces. This role offers a ...

Senior Frontend Engineer (Remote) React/TypeScript

Version 1 in Belfast is looking for a Front-End Developer to collaborate with various technical roles and ensure high-quality code in line with business requirements. This position requires expertise in TypeScript and React, along with a commitment to best practices and performance optimization. The id ...

React + TypeScript UI Engineer — Frontend Innovator

A leading software development company in Northern Ireland is looking for a talented web developer to design, develop, and maintain user interfaces using React and TypeScript. Candidates should have at least 3 years of experience and a strong background in web application development. Collaboration with business ...

UI Engineer (React/TypeScript) in Belfast Ocho

We Are Hiring We seek a talented individual who combines strong... Requirements We are looking for candidates with at least 3 years of professional web application development experience. You should have recent experience with React functional components. Experience with other framework ...

React/TypeScript Developer in Belfast Ocho

Salary £100,000 - £100,000 per year Requirements 3 years of experience in frontend development using React and TypeScript. Strong knowledge of modern frontend architecture and best practices. Experience with API design and integration. Familiarity with ...

React TypeScript UI Engineer — Internal Tools

Java Script Works is seeking a skilled developer to design, develop, and maintain web-based user interfaces using Typescript and React. The ideal candidate will ensure high-quality code through automated testing and have strong proficiency in Typescript/JavaScript. Collaboration with cross-functional teams is es ...

Engineering Director: APIs, Frontend & ASP.NET

Java Script Works is seeking a Technical Director of Engineering to lead and scale engineering teams in Belfast. You will be responsible for delivering secure GraphQL and RESTful APIs while guiding front-end teams on compliant React and web portal development. The ideal candidate will have a strong bac ...

Engineering Director: APIs, Frontend & ASP.NET

Java Script Works is seeking a Technical Director of Engineering to lead and scale engineering teams in Belfast. You will be responsible for delivering secure GraphQL and RESTful APIs while guiding front-end teams on compliant React and web portal development.The ideal candidate will have a strong back ...

Frontend Web Developer — React + Java Backend

Citigroup Inc. is seeking a motivated Front‑end Web Developer to join our development team in Belfast. The ideal candidate will work closely with a team to build, test, and maintain web applications, primarily using React on the frontend and Java on the backend. Responsibilities include developing user ...

Senior Frontend Engineer in Belfast Ocho

Senior Frontend Engineer Belfast, UnitedKingdom Posted 9 months ago This is a job posted by our partner Jooble Tech stack Responsive SOLID ECMAScript 6+ TypeScript Frontend React JavaScript HTML5 CSS Salary £65,000 - 65,000 per year ...

Lead Automation Engineer: UI/API Testing & QA Leadership

Java Script Works in Belfast seeks a Lead Automation Engineer with 8 years of experience in software engineering or QA automation. The role requires strong coding skills in TypeScript, Java, or Python, and hands-on experience with UI and API test tools including Playwright, Cypress, Postman, and Selenium. </p ...

Automation QA Engineer Playwright, Selenium & CI/CD

Java Script Works is looking for a QA Engineer - Automation in Belfast, Northern Ireland. The role involves designing and implementing automated tests, utilizing tools like Selenium, Playwright, and Cucumber while working within Agile methodologies. A strong understanding of JavaScript and TypeScript i ...

Senior TypeScript/AWS Engineer Cloud Cybersecurity

MCS Group is seeking a Senior Software Engineer for a fast-growing cybersecurity scale-up in Belfast. Join a high-impact engineering team dedicated to building scalable cloud-native applications. This role offers the opportunity to work on meaningful products in the cybersecurity sector. The successful ...

Senior Frontend Engineer AI Driven Media Platform

HALOS Body Cameras in Belfast is looking for a Senior Frontend Engineer to join their team. In this role, you'll build the next generation of AI-driven video forensic tools. You will create fast, reliable interfaces, while collaborating with backend engineers and designers to deliver high-quality React applic ...

Frontend Engineer in Belfast Ocho

Job Requirements 3 years of experience in frontend engineering using React and TypeScript A strong understanding of web technologies, including HTML, CSS, and JavaScript Experience with WebGL or similar graphics libraries Proven experience with API design and collabor ...

Senior Frontend Engineer | Principal Frontend (React + TS)

A growing engineering team in Belfast is looking for Principal and Senior Frontend Engineers to develop high-performance applications. Candidates should have strong experience with the React ecosystem, RESTful APIs, and be skilled in CI/CD and AWS. This role is crucial in scaling the company's new product and pr ...

React Native Engineer for Impactful Frontend Solutions

Java Script Works, based in Belfast, seeks a React Developer with experience in React and React Native. The position requires working in an agile environment and familiarity with Vue.js is a plus. You'll be developing products tailored to meet unique needs across different sectors. If you're passionate ...

Full Stack Software Engineer (Python/React) Flexible Hours

Instil is seeking a Mid-Level Software Engineer in Belfast to work across backend and frontend systems using Python, Node.js, React, and TypeScript. In this full-stack role, you will design APIs, manage cloud infrastructure, and enhance CI/CD pipelines. The ideal candidate will have experience in build ...

Senior Java Engineer Belfast in Belfast Ocho

Senior Java Engineer - Belfast Belfast, UnitedKingdom Posted 9 months ago Tech stack Spring Framework, Spring Boot, Java, GCP, Amazon AWS, ecosystem, Azure Requirements I am looking for a candidate with 8 years of hands‑on software engineering experienc ...

Full Stack Engineer

Direct message the job poster from Net2Source (N2S) About Us Net2Source Inc. is one of the fastest growing diversities certified global workforce solutions companies with an unprecedented YoY growth of over 100% for last 6 years working with Fortune 1000/Global 2000 across 34 countries an ...

Senior Developer (Typescript, Java or Python)

MCS Group is delighted to be partnering with a growing consultancy as they establish a brand-new engineering presence in Belfast. Our client is a high-growth cloud, data, and AI engineering consultancy delivering mission-critical solutions for enterprise and scaling clients across modern cloud ecosystems. ...

Senior Developer (Typescript, Java or Python)

MCS Group is delighted to be partnering with a growing consultancy as they establish a brand-new engineering presence in Belfast. Our client is a high-growth cloud, data, and AI engineering consultancy delivering mission-critical solutions for enterprise and scaling clients across modern cloud ecosystems. ...

Senior Developer (Typescript, Java or Python)

MCS Group is delighted to be partnering with a growing consultancy as they establish a brand-new engineering presence in Belfast. Our client is a high-growth cloud, data, and AI engineering consultancy delivering mission‑critical solutions for enterprise and scaling clients across modern cloud ecosystems. ...

Senior/Principal Software Engineer

MCS Group is delighted to be partnering with a growing consultancy as they establish a brand-new engineering presence in Belfast. Our client is a high-growth cloud, data, and AI engineering consultancy delivering mission-critical solutions for enterprise and scaling clients across modern cloud ecosystems. ...

Senior Developer (Typescript and Python)

MCS Group delighted to be working with an innovative and rapidly growing technology organisation as they look to appoint a Senior Software Developer to join their expanding engineering team in Belfast. This is an excellent opportunity for an experienced engineer who enjoys working across complex sy ...

Senior Front End Engineer Belfast in Belfast Ocho

Qualifications Looking for someone who possesses humility, integrity, curiosity, and a strong drive to support teammates. You should have experience in JavaScript or another structured language such as Python, Java, or C#. Additionally, familiarity with one or more JavaScript frameworks, like Reac ...

Senior Java Engineer — Cloud, TypeScript & Mentoring

hackajob is seeking a Senior Java Developer in Belfast, Northern Ireland, to develop high-quality solutions that delight customers. In this role, you will work in a fast-paced environment where sound decision-making is crucial. Your responsibilities include mentoring junior developers and utilizing tec ...

Senior UI Engineer & Technical Leader (React/TypeScript)

TP ICAP Group Services Ltd is looking for a Principal UI Engineer in Belfast, Northern Ireland. This role involves leading the design and development of scalable UI applications and providing technical leadership across multiple teams. The ideal candidate will have strong expertise in React, TypeScript ...

Senior Front End React Engineer (TypeScript) – Hybrid

A technology services company located in Belfast is looking for a Front End Developer with over 5 years of experience, particularly in React and TypeScript. The role involves collaborating with stakeholders to develop high-quality user interfaces and code. The ideal candidate will thrive in an Agile environment, ...

Senior Front End Engineer

Senior Software Engineer | React | TypeScript | Belfast Hybrid At a Glance Up to £65,000 base salary Senior-level front-end engineering role with real ownership and technical influence React, TypeScript, JavaScript, HTML/CSS stack </ ...

Staff Java Backend Engineer APIs & Banking Tech

Java Script Works is seeking a Staff Software Engineer specializing in Java backend development, based in Belfast, United Kingdom. The ideal candidate must have expertise in Core Java, JEE technologies, and API Development, with knowledge in Banking or similar sectors. This full-time role offers a comp ...

Software Engineer Java or Go Belfast in Belfast Ocho

Overview Software Engineer - Java or Go - Belfast Location: Belfast, United Kingdom Posted 24 days ago Salary: £80,000 per year Requirements We are looking for a backend engineer with at least 1 year of experience in Java or Go. You should have ex ...

Senior Java Engineer FiTP (Hybrid Belfast)

Citibank (Switzerland) AG in Belfast is looking for a Java Developer (AVP) to engineer solutions for global finance. This role involves working within the Global Fixed Income Trade Processing Team, focusing on designing and developing complex distributed systems. Candidates should possess strong knowle ...

Junior Java Engineer, Digital Engineering Belfast

EY UK is looking for a Junior Java Engineer in Belfast to join their expanding Digital Engineering team. This role involves coding new backend developments, quality assurance of program specifications, and collaborating with product teams to meet client needs. The ideal candidate will have at least 2 y ...

Principal React Engineer

Principal React Engineer Remote (UK) | Permanent At a Glance Role: Principal React Engineer Salary: £100,000 £120,000 Location: Remote (Northern Ireland based) Employment type: P ...

Staff Engineer (React Native) in Belfast Ocho

Overview I am looking for someone with deep hands-on experience building production-grade mobile applications using React Native. A strong grasp of TypeScript, mobile state management, and modular architecture is essential. Proven experience in designing and consuming robust GraphQL. Requi ...

Principal and Senior Frontend Engineers

Enso Recruitment is delighted to be currently working with a Belfast based team who are actively recruiting for a number of Principal and Senior Frontend Engineers . This is an exciting opportunity to join a growing engineering team , where you'll play a key ...

Frontend Engineer (React/Next.js) for AML Platform

Napier Technologies Limited. is seeking a Front End Engineer in Belfast. You will utilize React and Next.js to build an intuitive platform for monitoring money laundering risks. Your role involves collaborating with teams to deliver high-performance applications and solve complex challenges. This posit ...

Senior React Engineer Cloud Native Frontend Architect

Ocho is looking for a Senior React Engineer in Belfast, United Kingdom, to develop scalable front-end applications closely integrated with their cloud platform. The ideal candidate will have over 5 years of experience in front-end development, specializing in React and TypeScript. The role involves bui ...

Senior React Engineer — Cloud Native Frontend Architect

A technology solutions firm is seeking a Senior React Engineer to develop scalable cloud-native front-end applications. The role involves building high-performance React applications, optimizing UI components, and integrating with backends. The ideal candidate will have over 5 years of experience with React, Typ ...

Senior Full Stack Engineer — AI, Cloud & Flexible Work

EY in Belfast is looking for a Senior Full‑Stack Developer to join their Technology Consulting team. You will be responsible for designing, developing, and delivering innovative full-stack solutions that address key client challenges. The role requires strong capabilities in JavaScript or TypeScript an ...

Frontend Software Engineer

Description Upwind is a next-generation Cloud Security Platform that leverages runtime context to identify and prioritize critical risks, providing precise insights and efficient cloud security management. Unlike traditional tools, Upwind uses runtime data proactively for risk prioritization and ...

Hybrid Full Stack Engineer — Next.js, React, TS

A global workforce solutions company is seeking a Full Stack Engineer in Belfast. This mid-senior level role involves developing intuitive frontend applications with Next.js and React, implementing backend services using MongoDB, and maintaining high-performance APIs. The position is hybrid, requiring 2-3 days o ...

Java Engineer – Flexible Work & Growth in Belfast

慨正橡扯 is seeking a Junior Java Engineer in Belfast. This role offers the chance to join a leading firm in Digital Engineering, contributing to innovative solutions in technology consulting. You'll work in a diverse team, coding backend developments and ensuring code quality. A Bachelor's degree in a rel ...

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    React Typescript Frontend Engineer Belfast Java Script Works Jobs in Belfast Job Search Guide, Trends and Insights