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  • £60k per annum

    Senior Java Developer – High-Growth Tech Business Location: Belfast or London (Hybrid working) Salary: Up to £60,000 + benefits Tech Stack: Java, Spring Boot, Microservices, AWS, Kubernetes, API Design, SQL We're partnered with a high-growth UK tech company delivering... 
    Suggested
    Permanent
    Full-time
    Hybrid working

    Hayward Hawk Limited

    Belfast
    more than 2 months ago
  • £35k - £47k per annumEstimated
     ...As a Developer you will be part of a cross-functional Scrum Team collaborating closely in an Agile environment. Youll contribute to key technology...  ...using C#/.NET and Azure services. Build and consume RESTful APIs. Implement CI/CD pipelines and automation. Write unit and... 
    Suggested
    Full-time
    Local area
    Remote
    Flexible hours

    Version 1

    Belfast
    a month ago
  • £65k per annum

     ...~ Proficient in design and implementation of RESTful and GraphQL APIs ~ Experience with Docker, Kubernetes, and GitHub Actions/Tekton...  ...with a focus on security-first principles Responsibilities: Develop seamless UIs using Next.js and React Manage data storage and... 
    Suggested
    Full-time

    Randstad Digital

    Belfast
    8 hours agonew
  • £43k - £57k per annumEstimated
     ...we believe in high quality engineering and design, allowing us to develop market leading products and services. In short, we love creating...  ...working on developing and maintaining backend microservices and their APIs, deployment pipelines, infrastructure challenges and much more.... 
    Suggested
    Full-time
    Hybrid working
    Worldwide

    Calmin group

    Lisburn, Co. Antrim
    24 days ago
  • £47k - £60k per annumEstimated
     ...secure solutions-from intuitive React frontends to robust backend APIs. You will work in an Agile environment, leveraging CI/CD and...  ...with a focus on security-first principles. What You'll Do Develop seamless UIs using Next.js and React. Manage data storage and... 
    Suggested
    Contract

    Randstad

    Belfast
    2 days ago
  • £41k - £52k per annumEstimated
     ...financial services client. You'll be responsible for designing, developing, and deploying sophisticated agentic AI solutions that deliver autonomous...  ...automation. Integrate AI agents with enterprise systems, APIs, and data sources for autoremediation. Develop scalable,... 
    Suggested
    Permanent
    Contract
    Immediate start

    Randstad

    Belfast
    2 days ago
  • £38k - £51k per annumEstimated
     ...Have…   Expertise in Java, Spring Framework, SQL. Expertise in Object Oriented Design and Patterns. Experience in developing RESTful APIs at scale. Experience in C#, .NET & WPF is nice to have. Experience in working in an Agile environment. Experience in... 
    Suggested
    Full-time
    Hybrid working
    On-site
    Worldwide
    Flexible hours

    iManage

    Belfast
    a month ago
  • £53k - £68k per annumEstimated
     ...Job Title: Senior Full Stack .NET Developer Location: Belfast, Northern Ireland Work Arrangement: Hybrid (In-Office) We are looking...  ...and related areas Exposure to building web services using Web API An understanding of database design and development Hands-... 
    Suggested
    Holiday work
    Full-time
    Hybrid working
    On-site

    Biller Genie

    Belfast
    18 days ago
  • £68k - £92k per annumEstimated
     ...technologies in bringing productivity across the SDLC phases and develop innovative business solutions and products. In addition to the...  ...RDBMS NoSQL DB Kafka VertX TC Server Containers based Backend REST APIs Applications. Experience in designing/architectural... 
    Suggested
    Full-time
    Hybrid working
    On-site
    Local area
    Remote

    Visa

    Belfast
    more than 2 months ago
  • £39k - £50k per annumEstimated
     ...environment for one of the largest banks in the USA. Responsibilities We are looking for an experienced Mainframe Developer who can support the migration of the client platform: Analyze, understand, and enhance existing... 
    Suggested
    On-site
    5 days/week

    Luxoft

    Belfast
    more than 2 months ago
  • £25k - £33k per annumEstimated
     ...shaping the future of sustainable agriculture. As a Full Stack Cloud Developer youll play a key role in developing the next generation of...  ...tools. Understanding of microservices architecture and RESTful API design. Experience working in cloud environments preferably... 
    Suggested
    Full-time

    GEA

    Belfast
    more than 2 months ago
  • £59k - £79k per annumEstimated
     ...code: We are  Problem Solvers  who are  Humble , have a  Can-do Attitude , and believe in  Togetherness . If you’re a kdb+ developer ready to deepen your skills, contribute to impactful projects, and grow in a supportive, high-performance environment - this is your... 
    Suggested
    Full-time
    Hybrid working
    Flexible hours

    Data Intellect

    Belfast
    4 days ago
  • £55k - £95k per annum

     ...Requirements: Strong software development experience Strong API, database and cloud knowledge Experience with Agile/Scrum and...  ...More: We are seeking a talented and motivated Senior Software Developer to join our high performing technology team supporting large scale... 
    Suggested
    Full-time

    Harris Global

    Belfast
    12 days ago
  • £69k - £91k per annumEstimated
     ...are looking for a full-stack engineer with experience designing developing scaling and monitoring solutions improvements and services in our...  ...ensuring consistency and quality in shared components and APIs. Contribute to technical decision-making including solution design... 
    Suggested
    Long-term contract
    Full-time
    Remote

    Olo

    Belfast
    24 days ago
  • £44k - £60k per annumEstimated
     ...re a team of engineers, problem-solvers, and collaborators who believe in pushing boundaries, not egos. If you're a seasoned kdb+ developer ready to lead, innovate, and make an impact, we want to hear from you. Job Description As a Senior kdb+ Developer at [DI... 
    Suggested
    Full-time
    Hybrid working
    Flexible hours

    Data Intellect

    Belfast
    4 days ago
  • £41k - £54k per annum

     ...work alongside a supportive, high-impact team of skilled backend developers to improve how other teams deploy and access their services, how...  ...Design, develop and maintain scalable backend services and APIs Contribute to the transition to microservices, designing APIs... 
    Hybrid working

    DailyPay

    Belfast
    5 days ago
  • £45k - £59k per annumEstimated
     ...Postgraduate Qualification (or equivalent) in organic chemistry, chemistry, or closely related discipline · Extensive experience in API process development and knowledge of cGMP processes. Reward For the successful candidate, we offer an attractive benefits package... 
    Permanent
    Full-time
    Monday to Friday
    Flexible hours

    Almac Group

    Craigavon, Co. Armagh
    12 days ago
  •  ...Contribute to the design, development, and testing of high-quality software across the team. Build and maintain back-end services and APIs in .NET C#, with a focus on cloud-based distributed architecture. Implement and maintain Infrastructure as Code (IaC) using AWS CDK... 

    Vantage Point

    Belfast
    more than 2 months ago
  • £50k - £65k per annum

     ...Job description A leading global company is looking for a Senior Front-End Developer to join their agile product development team. You'll be building high-impact, business-critical web applications used by internal trading desks and external financial clients worldwide.... 
    Permanent
    Hybrid working
    Worldwide
    Flexible hours
    Belfast
    26 days ago
  • £45k - £70k per annum

     ...Experience with Git version control Responsibilities: ~ In this role as a C++ Software Engineer, I will be responsible for designing, developing, and supporting high-throughput, low-latency applications. I will collaborate with the wider team to develop new features and... 
    Full-time
    City centre
    Hybrid working
    On-site
    Work from home
    Flexible hours

    Eligo Recruitment Ltd

    Belfast
    13 days ago
  • £42k - £53k per annumEstimated
    Version 1 has celebrated over 28 years in Technology Services and continues to be trusted by global brands to deliver solutions that drive customer success. Our expertise enables our customers to navigate the rapidly changing Digital-First world we live in. We foster strong...
    Full-time
    Local area
    Remote
    Flexible hours

    Version 1

    Belfast
    2 days ago
  •  ...environment. ~ Strong expertise in .NET Framework and .NET Core (C#). ~ Experience designing and developing distributed, event-driven, cloud-native systems. ~ Proficiency in API design and development (REST, GraphQL). ~ Solid background in relational database design and... 
    Long-term contract

    Vantage Point

    Belfast
    more than 2 months ago
  • £48k - £65k per annumEstimated
     ...future duties and responsibilities: In this role you will design develop and maintain software components within an enterprise-scale...  ...proficiency in one or more modern programming languages -Experience with APIs system integration and distributed systems -Familiarity with CI... 
    Full-time
    Hybrid working

    CGI

    Belfast
    12 days ago
  • $150k - $226k per annum

     ...delivery market. Our mission is to enable the 30 million software developers in the world to deliver code to their users reliably,...  ...Java and Golang ~ Designing/developing REST, GRPC and GraphQL APIs ~ Working knowledge of SQL and No-SQL database technologies... 
    Local area
    Immediate start
    Flexible hours

    Harness

    Belfast
    a month ago
  • £47k - £61k per annumEstimated
     ...future duties and responsibilities: In this role you will design develop and maintain software components within an enterprise-scale...  ...proficiency in one or more modern programming languages -Experience with APIs system integration and distributed systems -Familiarity with CI... 
    Full-time
    Hybrid working

    CGI

    Belfast
    16 days ago
  • £40k - £65k per annum

     ...(ES6+), along with React, Redux, and GraphQL. Experience delivering responsive interfaces and working with Tailwind CSS and RESTful APIs. Backend Solid commercial experience building backend services with TypeScript. Proficient in SQL, API development, microservices... 
    Permanent
    Belfast
    7 days ago
  • £62k - £82k per annumEstimated
     ...products inCI/CD Feature Flags Cloud Cost Management Service Reliability Chaos Engineering Software Engineering Insights Internal Developer Experience and API discovery observability governance and runtime protection. Over the past year Harness powered 128M deployments 81M builds 1... 
    Full-time
    Local area
    Immediate start
    Worldwide

    Harness

    Belfast
    17 days ago
  • We have a current opportunity for a UI Engineer on a contract basis. The position will be based in Belfast. For further information about this position please apply. UI Engineer 6 months - Belfast, Northern Ireland (hybrid) RED now has a new contract opportunity for an...
    Contract
    Hybrid working
    Immediate start
    Work visa
    3 days/week
    Antrim, Co. Antrim
    11 days ago
  • £41k - £56k per annumEstimated
     ...Core MVC and MVC Core)  CSS HTML JavaScript/Typescript  REST API design  Microsoft SQL Server MySQL Postgres  AWS  What you...  ...Provide support and coaching to junior members to help them grow and develop within the team  Hybrid working with the team on client site or... 
    Full-time
    Live-in
    Hybrid working
    On-site
    Remote
    5 days/week
    Flexible hours
    2 days/week

    PA Consulting

    Belfast
    more than 2 months ago
  • £42k - £57k per annumEstimated
     ...Our work spans diverse domains including billing CRM to public APIs reporting integrations and internal tooling Youll have the freedom...  ...time (at least 20%) to improving stability performance and developer experience. Maintain a strong automated test suite so we can confidently... 
    Long-term contract
    Full-time
    Live-in
    On-site
    Remote
    Work from home

    Stora

    Belfast
    a month ago