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Top Web Developer Jobs in Belfast

69+ Job Results
13 Days Ago
Belfast, Northern Ireland
Remote
505 Employees
5-7 Years of Experience
505 Employees
5-7 Years of Experience
Payments • Transportation • Financial Services
The back-end developer at Gozem is responsible for managing data exchange between the server and users, developing server-side logic, maintaining the central database, ensuring high performance, and integrating front-end elements. Collaboration with global developers is key.
14 Days Ago
Belfast, Northern Ireland
Remote
6,766 Employees
7+ Years of Experience
6,766 Employees
7+ Years of Experience
Software
Join the Design System team at HubSpot as a Senior Software Engineer I, specializing in frontend development. Responsibilities include developing and maintaining a design system using React/Typescript, collaborating with UX designers, integrating the design system into web applications, and continuously improving it based on feedback and industry trends.
14 Days Ago
Belfast, Northern Ireland
Remote
6,766 Employees
7+ Years of Experience
6,766 Employees
7+ Years of Experience
Software
The Senior Software Engineer I, Navigation Backend at HubSpot is responsible for developing and scaling critical backend systems like Notifications and Navigation platforms. They will work on writing and shipping production code with meaningful impact, envisioning and analyzing new features, and collaborating with cross-functional teams to improve user experience.
20 Days Ago
Belfast, Northern Ireland
Remote
578,950 Employees
3-5 Years of Experience
578,950 Employees
3-5 Years of Experience
Big Data • Cloud • Logistics • Machine Learning • Retail
As a Software Engineer III - Front End at Data Ventures, you will be responsible for translating requirements into technical solutions to create the best user experience for customers. You will collaborate with project teams, conduct troubleshooting, provide user support, and participate in project discovery phases.
Top Benefits:
401-K
Commuter Benefits
Company Equity
+21 More
16 Days Ago
Belfast, Northern Ireland
Remote
275 Employees
3-5 Years of Experience
275 Employees
3-5 Years of Experience
Big Data Analytics
Looking for a Back End Developer with at least 3 years of experience, strong foundation in programming, expertise in Ruby on Rails (or Python), and familiarity with cloud environments and AWS. Must have experience in full development life cycle and optimizing data pipelines.
Top Benefits:
401-K
Company Outings
Dental Insurance
+18 More
14 Days Ago
Belfast, Northern Ireland
1,419 Employees
5-7 Years of Experience
1,419 Employees
5-7 Years of Experience
Marketing Tech • Software • Analytics
Looking for a Senior Software Engineer to develop shared libraries for user interfaces and backend services, aiming to deliver smarter and reliable systems. Collaborate with Agile team, contribute to high-quality software, and engage in discussions for technical solutions. Requires 5+ years of software engineering experience with expertise in back-end development using Python and front-end development using React and Typescript.
16 Days Ago
Belfast, Northern Ireland
Remote
6,766 Employees
7+ Years of Experience
6,766 Employees
7+ Years of Experience
Software
Join HubSpot as a Senior Software Engineer I in the Frontend Data Sync team. Help build and improve Data Sync, a key component of HubSpot's Operations Hub product. Collaborate with a talented team to solve big problems and enhance customer experience.
23 Days Ago
Belfast, Northern Ireland
Remote
200 Employees
5-7 Years of Experience
200 Employees
5-7 Years of Experience
Software
Webflow is seeking a Senior Frontend Engineer to help build and maintain Webflow's Designer User Experience. Responsibilities include writing performant and accessible user interfaces, working with technologies like React.js, Javascript/Typescript, HTML, and CSS, leading projects, and mentoring junior engineers. Full-time remote position with a salary range of GBP 75,100 - GBP 121,650 per year in the United Kingdom.
Top Benefits:
401-K
Commuter Benefits
Company Equity
+31 More
17 Days Ago
Belfast, Northern Ireland
443 Employees
3-5 Years of Experience
443 Employees
3-5 Years of Experience
AdTech
Gambling.com Group is looking for a Full Stack Developer to design, develop, and maintain websites, collaborate with team members, troubleshoot technical issues, optimize performance, and stay updated on industry trends. Requires a Bachelor's degree in Computer Science, 3 years of experience, proficiency in HTML, CSS, JavaScript, React, Angular, and PHP, and database knowledge.
19 Days Ago
Belfast, Northern Ireland
Remote
503 Employees
7+ Years of Experience
503 Employees
7+ Years of Experience
Artificial Intelligence • Information Technology
Onfido is looking for a Senior Fullstack Engineer who is passionate about solving interesting problems, enjoys programming, and is experienced in frontend development. Responsibilities include mentorship, guiding junior team members, driving software shipment, and fostering a culture of learning and innovation. The ideal candidate should be a T-shaped, well-rounded software engineer with a bias for action and continuous improvement.
Top Benefits:
Employee Stock Purchase Plan
Family Medical Leave
Fitness Stipend
+8 More
17 Days Ago
Belfast, Northern Ireland
Remote
145 Employees
3-5 Years of Experience
145 Employees
3-5 Years of Experience
Blockchain • Consulting
Join MultiversX as a CSS & Styling focused Front-End Engineer to write elegant front-end code for Web3 applications, interact with blockchain APIs, create and maintain packages, optimize site performance, and contribute to technological decisions.
22 Days Ago
Belfast, Northern Ireland
Remote
490 Employees
5-7 Years of Experience
490 Employees
5-7 Years of Experience
Software
Hiring a Senior Frontend Engineer at Testlio to deliver high-quality software experiences leveraging data and AI advancements for software testing services. The role involves shaping the future of testing with AI and making a tangible impact on client success and product quality.
17 Days Ago
Belfast, Northern Ireland
Remote
102 Employees
5-7 Years of Experience
102 Employees
5-7 Years of Experience
Software
As a Senior Frontend React Engineer, you will be responsible for developing websites based on technical and functional specifications, maintaining existing sites, utilising source control tools, testing websites, and contributing ideas for application improvement. You should have a Bachelor's degree in Computer Science, at least 5 years of experience as a Frontend Web Developer, and expertise in React.js and web technologies.
21 Days Ago
Belfast, Northern Ireland
Remote
170 Employees
3-5 Years of Experience
170 Employees
3-5 Years of Experience
Fintech • Mobile • Payments • Software
Backend Engineer role at SQUIRE on the Payments product team, responsible for building and maintaining high-quality product features for service applications using Node.js. Collaborate with the team to ensure seamless integration with frontend and mobile applications. Participate in code reviews and troubleshoot software defects.
Top Benefits:
401-K
401-K Matching
Company Equity
+38 More
19 Days Ago
Belfast, Northern Ireland
Remote
2,030 Employees
3-5 Years of Experience
2,030 Employees
3-5 Years of Experience
Financial Services
Backend Engineer role at Monzo focusing on collaborating across disciplines to test hypotheses and make a difference to customers. Working in a squad alongside various team members to build and support a particular part of Monzo. No formal qualifications required for engineering roles. Seeking candidates with strong backend experience and a product mindset.
20 Days Ago
Belfast, Northern Ireland
Remote
1,465 Employees
3-5 Years of Experience
1,465 Employees
3-5 Years of Experience
Software • Cybersecurity
Backend engineer role in the B2B Enterprise team at NordPass, responsible for writing clear and well-tested code, creating APIs, and contributing to technical decisions and tasks. Opportunity to work on developing improvements and new features for enterprise clients.
20 Days Ago
Belfast, Northern Ireland
Remote
578,950 Employees
3-5 Years of Experience
578,950 Employees
3-5 Years of Experience
Big Data • Cloud • Logistics • Machine Learning • Retail
Seeking a Senior Software Engineer - React/ReactNative to deliver associate-centric people experiences within the People Technology and Services organization. Responsibilities include software development, troubleshooting, expertise application, business solution implementation, and compliance with company standards.
Top Benefits:
401-K
Commuter Benefits
Company Equity
+21 More
23 Days Ago
Belfast, Northern Ireland
Remote
504 Employees
3-5 Years of Experience
504 Employees
3-5 Years of Experience
Edtech
Seeking a Senior Full Stack Software Engineer to develop innovative web applications for enhancing the core learning experience at DataCamp. Responsibilities include contributing to technical direction, building user-centric solutions, and improving existing learning features. Requires 4+ years of web development experience using TypeScript, ReactJS, GraphQL, and NodeJS.
23 Days Ago
Belfast, Northern Ireland
Remote
504 Employees
3-5 Years of Experience
504 Employees
3-5 Years of Experience
Edtech
Seeking an exceptional Senior Full Stack Software Engineer to join the vibrant Growth Engineering Team at DataCamp. Responsible for developing cutting-edge web applications to enhance user experiences and guide learners towards educational content. Key contributor to the Growth platform's technical direction and product growth features. Requires 4+ years of web development experience with JavaScript, TypeScript, ReactJS, GraphQL, and NodeJS.
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