Average salary: £75,069 /yearly

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  • £675 per day

     ...? - ? per year Requirements: Proven experience as a MuleSoft Developer with hands-on development in MuleSoft, Java, and Salesforce. Strong MuleSoft Anypoint Platform experience, including designing APIs, creating Mule flows, and managing MuleSoft runtime environments.... 
    Suggested
    Hybrid working
    Remote

    CBSbutler Holdings Limited trading as CBSbutler

    Belfast
    9 days ago
  • £54k - £71k per annumEstimated
     ...engineering-focused office in Belfast, working in close daily collaboration with our Streaming API teams across New York, Los Angeles, and Colorado. We are looking for a skilled React developer who is comfortable leveraging API and UI mocks to build seamless front-end experiences.... 
    Suggested
    Hybrid working
    On-site
    Remote
    Monday to Friday

    Magnite

    Belfast
    9 days ago
  • £65k per annum

     ...build high-performance front-end applications Work with a modern Angular stack (v15+) Develop cross-platform solutions for web, mobile, and desktop environments Integrate with APIs and real-time data streams Implement scalable state management and optimise... 
    Suggested
    On-site
    Remote

    Haystack

    Belfast
    24 days ago
  • £45k - £73k per annum

     .... Background in the IT industry, with experience managing and developing cloud-based systems. Responsibilities: Develop and operate...  ...solution architects to contribute to integration engineering standards, API development standards, and Engineering Centre of Excellence... 
    Suggested
    Full-time
    Hybrid working
    On-site

    A&O Shearman

    Belfast
    10 hours ago
  • £57k - £75k per annumEstimated
     ...EY and help to build a better working world.  Senior Full-Stack Developer - Technology Consulting – Belfast In Digital Engineering we...  ...frameworks such as React, Angular or Vue. Design and implement robust APIs and services, ensuring security, reliability and maintainability.... 
    Suggested
    Immediate start
    Flexible hours

    Ernst & Young

    Belfast
    8 days ago
  • £30k - £60k per annum

     ...000 - 60,000 per year Requirements: ~ I am looking for a Java Developer with at least 5 years of hands-on experience in Java development....  ...develop robust web applications with MVC frameworks and create RESTful APIs. Implementing automated testing using JUnit, Mockito, Cucumber,... 
    Suggested
    Full-time
    Flexible hours

    Anson McCade

    Belfast
    10 hours ago
  • £47k - £60k per annumEstimated
     ...logging, and alerting solutions Python Development Design, develop, and maintain scalable applications using Python Write clean,...  ...support / production support environments Experience with REST APIs , microservices architecture, and integration patterns Solid... 
    Suggested
    Full-time
    Remote
    Flexible hours

    Version 1

    Belfast
    16 days ago
  • £22k - £25k per annumEstimated
     ...Researchers, Strategists, Industry and Functional Specialists, we develop a vision, roadmap and case for change to address fundamental...  ...functional tasks such as technical‑debt reduction and creation of clear API documentation. Skills and attributes for success A... 
    Suggested
    Immediate start
    Flexible hours

    Ernst & Young

    Belfast
    24 days ago
  • £64k - £83k per annumEstimated
     ...tooling and automation that improves reliability, observability, and developer experience Unit, integration, and performance tests to...  ...programming and OOP principles ~ Experience designing or consuming REST APIs and understanding semantics ~ Comfortable working with Git,... 
    Suggested
    Full-time
    Hybrid working
    On-site
    Flexible hours

    Cirata

    Belfast
    18 days ago
  • £60k per annum

     ...development, automation, and scalable enterprise technology delivery. The Role Design, develop, test, and maintain backend services and microservices Build and enhance RESTful APIs aligned with engineering standards and best practices Participate in technical design... 
    Suggested
    Hybrid working

    Haystack

    Belfast
    4 days ago
  • £63k - £83k per annumEstimated
     ...analytics, subscriptions, new products, text to speech, and external APIs. This is a key role and ideal for someone who thinks...  ...aim to complete them within 1 week. What Yo u' ll Do Design, develop, and maintain robust APIs including public TTS API, internal APIs... 
    Suggested
    On-site

    Speechify

    Belfast
    25 days ago
  • £41k - £53k per annumEstimated
     ...and other software components to deliver to business requirements. Developers conceive, specify, design, engineer, document, test, and deliver...  ...NodeJS, cloud/AWS, Bitbucket (Git), SQL/Server, Jira Design: API, JSON, micro-services and distributed systems SDLC: Agile, Scrum... 
    Suggested
    Immediate start
    Shift work

    Marex

    Belfast
    3 days ago
  • £56k - £72k per annumEstimated
     ...migration projects within both public and private sector. Designing, developing, testing, and maintaining cloud-based software applications....  ...integration and delivery. Experience developing REST-based APIs Strong experience with DevOps and CI/CD tools (such as... 
    Suggested
    Long-term contract
    Full-time
    Remote
    Flexible hours

    Version 1

    Belfast
    3 days ago
  • £80k per annum

     ...growing backend team in building scalable, AI-powered platforms and services. You will work alongside engineers to design and deliver APIs, microservices, and backend systems that power our products and AI/agent integrations. This is a great opportunity for an experienced team... 
    Suggested
    Full-time
    Hybrid working
    On-site
    Flexible hours

    Whitespace

    Belfast
    24 days ago
  • £46k - £60k per annumEstimated
    Company: THRIVEIT SYSTEMS Job Type: Permanent, Full Time
    Suggested
    Permanent
    Full-time

    THRIVEIT SYSTEMS

    Belfast
    a month ago
  •  ...Salary: £? - ? per year Requirements: Proven experience as a Full Stack Developer or Software Engineer at junior or senior level Strong backend development expertise in Java, Python, or Go Strong frontend/UI development experience Experience building and deploying... 
    Hybrid working

    Telstra Associates

    Belfast
    2 days ago
  • £40k - £50k per annum

     ...- from concept through to deployment and maintenance. As an iOS Developer, you’ll collaborate with talented engineers, designers and architects...  ...guidelines •Integrating applications with backend services, APIs, and third-party libraries •Conducting thorough testing, debugging... 
    Permanent
    Hybrid working
    On-site
    Remote
    Flexible hours

    Tenth Revolution Group

    Belfast
    4 days ago
  • £74k - £98k per annumEstimated
     ...compatibility (Windows 10/11+), and maintainability. Drive accessibility efforts: integrate and validate support for accessibility APIs (e.g. Microsoft UI Automation or other relevant Windows accessibility frameworks), ensure UI controls, focus management, keyboard navigation... 
    Long-term contract
    On-site

    Speechify

    Belfast
    25 days ago
  • £37k - £48k per annumEstimated
     ...and other software components to deliver to business requirements. Developers conceive, specify, design, engineer, document, test, and deliver...  ..., cloud/AWS, Bitbucket (Git), SQL/Server, Jira Design : API, JSON, micro-services and distributed systems SDLC : Agile,... 
    Full-time
    Immediate start
    Shift work

    Marex

    Belfast
    19 days ago
  • £70k - £93k per annumEstimated
     ...enjoys working at the intersection of product and infrastructure, thinks strategically, and is passionate about designing clear, reliable APIs and simple systems that directly enhance the user experience. What Yo u’ ll Do Collaborate with Speechify’s Product Teams to... 
    Remote

    Speechify

    Belfast
    5 days ago
  • £50k - £65k per annumEstimated
     ...Contract Role: Full Stack Developer (Java / Python / Go)  Contract Location: Belfast (Hybrid – 3 days onsite)  Contract Duration: 12 months initially (with strong potential for extension up to 2 years) with the opportunity to transition into a permanent role.... 
    Long-term contract
    Permanent
    Full-time
    Hybrid working
    Immediate start
    Relocation

    Deloitte - Recruitment

    Belfast
    a month ago
  • £70k - £75k per annum

     ...Job description Python Developer (FinTech) - Belfast (Hybrid) - Contract We are looking for an experienced Python Developer with...  ...Payments, or Financial Services ~ Strong knowledge of Python and API development (FastAPI, Flask, or Django) ~ Experience with SQL... 
    Daily pay
    Hybrid working
    On-site
    Belfast
    18 days ago
  •  ...the world's most potent artifact management platform, built by developers for developers. Our platform supports over 30 formats spanning languages...  ...material, and more. Expose: Deliver clean, well-documented APIs that make provenance data useful to customers and to other parts... 
    On-site
    Remote
    Flexible hours

    Cloudsmith

    Belfast
    a month ago
  • £35k - £45k per annum

     ...an established remote-first SaaS company, is hiring a Full Stack Developer to join an existing product team. This is an exciting opportunity...  ...TypeScript * Experience building applications with Node.js and RESTful APIs * Experience working with relational databases, ideally... 
    Permanent
    Remote
    Belfast
    3 days ago
  • £84k - £110k per annumEstimated
     ...evaluations, 8M security scans, 9.1B optimized tests, 3T protected API calls, and helped manage $2.8B in cloud spend — enabling...  ...world’s most ambitious software teams. About The Role Design, develops and maintain critical software of scalable platform in fast paced... 
    Hybrid working
    Immediate start
    Flexible hours
    Shift work

    Harness

    Belfast
    1 day ago
  • $100k - $200k per annum

     ...Translate business requirements into agent logic and decision frameworks Build integrations using APIs, webhooks, SQL, Python, JavaScript, and enterprise systems Develop scripts, prototypes, and workflow automations Troubleshoot deployments and optimize production... 
    Remote job
    Full-time

    C&D Talent Advisory

    Belfast
    14 days ago
  • £61k - £78k per annumEstimated
     ...frameworks and tools such as LangChain, LlamaIndex, Hugging Face, and APIs from OpenAI and Anthropic. Building retrieval-augmented...  ...generation (RAG) prototypes with vector stores and knowledge graphs. Developing and testing agentic architectures through our own Genie Platform... 
    Full-time
    Live-in
    Hybrid working
    On-site
    5 days/week
    Flexible hours

    PA Consulting

    Belfast
    3 days ago
  • £28k - £30k per annum

     ...learning, hands-on work experience and personalised career guidance to equip you with the skills and knowledge needed to excel as a kdb+ Developer, even without prior experience. You will join an intake of other like-minded Graduates, all starting on a level playing field!... 
    Full-time
    Live-in
    Relocation
    Probationary period

    Data Intellect

    Belfast
    2 days ago
  • £70k - £80k per annum

    Company: OCHO PEOPLE Job Type: Permanent Salary: £70000 - £80000 per annum
    Permanent

    OCHO PEOPLE

    Belfast
    23 days ago
  • £65k - £75k per annum

    Company: OCHO PEOPLE Job Type: Permanent Salary: £65000 - £75000 per annum
    Permanent
    Remote

    OCHO PEOPLE

    Belfast
    a month ago