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  • Senior Developer - Belfast

    £30k - £62k per annum

     ...frameworks Strong experience designing and consuming RESTful APIs Proficiency with relational databases, specifically PostgreSQL...  ...specs Experience mentoring or guiding less experienced developers (desirable) Responsibilities: Design, develop, and deliver... 
    Suggested
    Full-time
    On-site

    Fibrus Networks Ltd

    Belfast
    1 day ago

  • Front End Developer

    £110k - £121k per annum

     ...maintain front-end components for a public-sector digital service Develop responsive, accessible user interfaces aligned to GDS...  ...led journeys Collaborate with back-end developers to integrate APIs and services Ensure solutions align with GDS and GOV.UK standards... 
    Suggested
    Full-time
    Hybrid working

    Sanderson Government and Defence

    Down District, Northern Ireland
    1 day ago

  • Senior Front End Engineer

    £70k per annum

     ...TypeScript, HTML5, and CSS3/SASS ~ Experience integrating with RESTful APIs and working within modern CI/CD pipelines ~ Strong appreciation...  ...cloud environments (AWS, GCP, or Azure) Responsibilities: Develop, optimise, and maintain high-quality front-end features using... 
    Suggested
    Full-time
    Work from home

    Ocho

    Belfast
    1 day ago

  • Full Stack Engineer - Belfast

    £40k - £80k per annum

     ...with knowledge of accessibility compliance Proven experience of backend API development with Node.js, including understanding of databases and ORM patterns (e.g. Prisma) Experience of developing cloud-native applications in AWS, Azure or GCP, ideally using a serverless... 
    Suggested
    Full-time

    PA Consulting Services Ltd

    Belfast
    1 day ago

  • Senior Backend Developer

    £100k per annum

     ...experience with cloud infrastructure (ideally GCP) and containerised environments (Docker, Kubernetes). ~ Solid understanding of scalability, API design, and performance tuning in distributed systems. ~ Proactive, collaborative, and comfortable working in a fast-paced, team-... 
    Suggested
    Full-time
    Remote

    Ocho

    Belfast
    1 day ago

  • Senior Full Stack Engineer

    £60k per annum

     ...years experience in full stack or backend engineering (TypeScript preferred) ~ Strong experience with React, TypeScript, REST/GraphQL APIs ~ Solid backend development experience (Node.js / C# / Java) ~ Experience with AWS (Lambda, API Gateway, AppSync, Fargate) ~ Knowledge... 
    Suggested
    Full-time

    MCS Group

    Belfast
    17 hours ago

  • Senior Full Stack Engineer

    £95k per annum

     ...Strong understanding of component-based UI development Solid API design and backend integration experience Familiarity with modern...  ..., modern frontend applications using React (preferred) Developing scalable backend services and APIs Collaborating closely with... 
    Suggested
    Full-time
    Hybrid working

    Ocho

    Belfast
    1 day ago

  • Senior Full Stack Engineer

    £33k - £61k per annum

     ...ReactQuery ~ Knowledge of modern JavaScript frameworks (React) ~ Understanding of version control systems (Git) ~ Familiarity with RESTful APIs, GraphQL, and Websockets ~ Proficiency in backend programming languages (Typescript and/or other OOP languages such as C#/Java) ~... 
    Suggested
    Full-time
    On-site

    TP ICAP Group Services Ltd

    Belfast
    17 hours ago

  • Senior Full Stack Engineer

    £60k per annum

     ...or Front/Back-End development ~ Strong skills in TypeScript, React, Redux, and modern JavaScript frameworks ~ Experience with REST APIs, GraphQL, WebSockets, and microservices ~ Familiarity with AWS (Lambda, Fargate, API Gateway, AppSync) ~ Knowledge of Docker, Kubernetes... 
    Suggested
    Full-time
    Hybrid working

    VANRATH

    Belfast
    8 hours agonew

  • Senior Software (Full Stack Engineer)

    £45k - £60k per annum

     ...or Front/Back-End development ~ Strong skills in TypeScript, React, Redux, and modern JavaScript frameworks ~ Experience with REST APIs, GraphQL, WebSockets, and microservices ~ Familiarity with AWS (Lambda, Fargate, API Gateway, AppSync) ~ Knowledge of Docker, Kubernetes... 
    Suggested
    Permanent
    Hybrid working
    Flexible hours
    Belfast
    1 day ago

  • Lead Front-End Engineer

    £100k per annum

     ...Front End role with ownership of systems Experience designing and building scalable frontend architectures Solid understanding of API integration and distributed systems Experience working with AWS (e.g. API Gateway, Lambda, S3, CloudFront) Strong knowledge of... 
    Suggested
    Full-time
    Work from home

    Ocho

    Belfast
    1 day ago

  • Java Developer

    £57k - £72k per annumEstimated
     ...We are looking for an experienced Java Developer to join a fast-moving delivery team building a new regulatory reporting platform for a global...  ...Solid understanding of microservices architecture and RESTful API design Experience deploying to and developing in AWS or other... 
    Suggested

    EPAM Systems

    Belfast
    1 day ago

  • Java Developer

    £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
    2 days ago

  • Senior Backend JavaScript Developer - remote

    £60k - £70k per annum

     ...profile clients. About you: Deep knowledge of TypeScript and API design best practices Strong proficiency in Node.js with a...  ...enhance backend infrastructure: databases, APIs, and integrations Develop clean and efficient contracts between front-end and back-end... 
    Suggested
    Permanent
    On-site
    Remote
    Belfast
    24 days ago

  • Staff Full Stack Engineer - Belfast

    £100k per annum

     ...Strong understanding of frontend performance, accessibility, and developer experience ~ Experience mentoring engineers and driving engineering...  ...~(Nice to Have) Full stack/backend exposure with Node.js / APIs / Databases ~(Nice to Have) Experience with AI/LLM integration... 
    Suggested
    Long-term contract
    Full-time
    Hybrid working
    On-site
    Remote

    Ocho

    Belfast
    23 hours ago

  • Senior C++ Developer

    £50k - £67k per annumEstimated
     ...Experience ~7 to 10 Years of strong, recent, and hands-on experience in Windows-native C++ development , specifically with Win32 API and MFC (not general or outdated C++ work). ~ Experience modernizing legacy Windows applications. ~ Beneficial would be experience... 
    Full-time
    Immediate start
    Remote
    Flexible hours

    Version 1

    Belfast
    8 days ago

  • Senior Java Developer

    £35k - £47k per annumEstimated
     ...We are seeking a highly skilled and experienced Senior Java Developer to join our dynamic team. The ideal candidate will have a strong...  ...Skills: Proficiency in Java, Spring Framework, Hibernate, and RESTful APIs. Problem-Solving: Excellent analytical and problem-solving skills... 
    Full-time
    Remote
    Flexible hours

    Version 1

    Belfast
    8 days ago

  • Senior Software Engineer (Java/AWS) - Belfast

    £70k per annum

     ...building scalable microservices in cloud-native environments ~ REST API development experience ~ Solid understanding of SOLID...  ...Decompose complex monolith applications into scalable microservices Develop secure, resilient RESTful APIs with a security-first mindset... 
    Full-time
    Hybrid working

    Ocho

    Belfast
    1 day ago

  • Senior Java Developer

    £70k per annum

     ...building scalable, distributed systems Strong understanding of APIs, microservices and system design Experience working in cloud...  ...Responsibilities: Design and build scalable backend systems using Java Develop secure, high-performance services in a cloud-native environment... 
    Full-time
    Hybrid working
    On-site

    Ocho

    Belfast
    23 hours ago

  • Senior Java Engineer

    £65k per annum

     ...distributed systems and microservices Strong understanding of RESTful APIs and event-driven architectures Experience with CI/CD...  ...high-throughput environments Responsibilities: Designing, developing and maintaining backend services using Java Building and operating... 
    Full-time
    Work from home
    Flexible hours

    Ocho

    Belfast
    1 day ago

  • Principal Java Developer (Cybersecurity)

    £100k per annum

     ...have hands-on experience with microservices architecture, REST APIs, and message queues such as Kafka or SQS. A deep understanding of...  ...lead to define best practices will be vital, as well as mentoring developers, conducting code reviews, and facilitating onboarding as the... 
    Full-time
    Hybrid working
    On-site

    Ocho

    Belfast
    1 day ago

  • Senior React Developer

    £100k per annum

     ...Integrate front-end applications with cloud-native backends and APIs. Contribute to architectural decision-making for distributed,...  ...dynamic company seeking a Senior React Engineer to join our team in developing modern, scalable front-end applications. Our focus is on... 
    Full-time
    Work from home
    Flexible hours

    Ocho

    Belfast
    1 day ago

  • Staff Software Engineer - C++

    £70k per annum

     ...BONUS: Kotlin / Android experience Responsibilities: Design, develop, and maintain applications in C and C++ Optimise code for...  ...memory usage, and scalability Work on system-level programming, APIs, and backend components Debug and resolve complex technical issues... 
    Full-time
    Flexible hours

    Adepta Partners Limited

    Northern Ireland
    17 hours ago

  • Consultant - Junior Java Engineer - DE - TC - UKI - Belfast

    £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... 
    Immediate start
    Flexible hours

    Ernst & Young

    Belfast
    9 days ago

  • Staff/Senior Java Developers

    £100k per annum

     ...100,000 per year Requirements: Strong commercial experience developing backend systems using Java (Spring Boot or similar frameworks)...  ...orchestration tools such as Docker and Kubernetes Strong experience with API design and scalable service architectures Experience working... 
    Full-time

    Ocho

    Belfast
    1 day ago

  • Software Engineer - C# / .NET

    £75k per annum

     ...development using C# / .NET ~ Proven experience designing and building scalable, distributed systems ~ Strong experience with RESTful APIs and web services ~ Solid knowledge of relational databases (SQL Server or similar) ~ Strong understanding of object-oriented design,... 
    Long-term contract
    Full-time
    Hybrid working
    On-site

    Ocho

    Belfast
    1 day ago

  • React/TypeScript Developer

    £100k per annum

     ...modern frontend architecture and best practices ~ Experience with API design and integration ~ Familiarity with continuous...  ...for user experience and product design Responsibilities: Develop and maintain high-quality frontend applications using React and TypeScript... 
    Full-time
    Flexible hours

    Ocho

    Belfast
    1 day ago

  • Python Web Application Developer

    £65k per annum

     ...and TypeScript Experience building web applications and REST APIs Comfortable working from high-level requirements or user stories...  .... This is a fantastic opportunity for a Python Web Application Developer to join our team, which works across high-impact real-world systems... 
    Long-term contract
    Full-time
    Hybrid working

    Ocho

    Belfast
    1 day ago

  • Software Engineer - Belfast

    £30k - £60k per annum

     ...engineering ~ Strong experience with Node.js and building RESTful APIs ~ Solid experience with React and modern JavaScript/TypeScript...  ...optimisation Responsibilities: Designing and developing scalable backend services using Node.js Building responsive,... 
    Full-time
    Flexible hours

    Ocho

    Belfast
    1 day ago

  • Software Engineer II

    £48k - £62k per annumEstimated
     ...Most Innovative Companies - presented by Fast Company 2021 Best API & Best Trading Technology - presented by Global Fintech Awards...  ...Rebalancer engineering team, who is responsible for designing, developing, and maintaining Apex's best in class real-time automated portfolio... 
    Full-time
    Hybrid working
    On-site
    Immediate start
    Work from home
    Flexible hours

    Peak6

    Belfast
    more than 2 months ago