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  • Senior Full Stack .NET Developer (Belfast, NI)

    £44k - £60k per annumEstimated
     ...Job Title: Senior Full Stack .NET Developer Location: Belfast, Northern Ireland Work Arrangement: Hybrid (In-Office) We are looking for a Senior Full-Stack .NET Developer who can quickly understand our existing codebase and significantly contribute to the development... 
    .Net
    Javascript
    C#
    Holiday work
    Full-time
    Hybrid working
    On-site

    Biller Genie

    Belfast
    29 days ago

  • Software Engineer - AI

    £85k per annum

     ...Salary: £85,000 - 85,000 per year Requirements: Experience developing full-stack web applications Hands-on experience building or integrating LLM, GenAI, or ML-powered systems Proficiency in JavaScript frameworks (React, Vue, Angular) or Blazor, along with C#/.NET... 
    .Net
    Javascript
    C#
    Full-time

    Ocho

    Belfast
    1 day ago

  • Technical Lead

    £79k - £106k per annumEstimated
     ...thrives on tackling complex challenges, developing people, and crafting scalable, cloud native...  ...Our Technology Landscape Languages:JavaScript / TypeScript, Java, C# Frameworks:React, Angular, Vue, Node.js, Next.js, Spring Boot, .NET Cloud Providers:AWS, Azure, GCP CI/CD... 
    .Net
    Javascript
    C#
    Permanent
    Full-time
    Contract
    Hybrid working
    2 days/week
    3 days/week

    Alexander Associates Limited

    Belfast
    12 days ago

  • Software Engineer (Belfast) - Financial Services Technology

     ...and maintain back-end services and APIs in .NET C#, with a focus on cloud-based distributed...  ...shaped” skills by contributing across the full development lifecycle and supporting colleagues...  ...: ~3+ years’ experience as a Full Stack, Frontend, or Backend Engineer in a professional... 
    .Net
    Javascript
    C#

    Vantage Point

    Belfast
    a month ago

  • Principal Software Engineer (Belfast) - Financial...

     ...in an Agile environment. ~ Strong expertise in .NET Framework and .NET Core (C#). ~ Experience designing and developing distributed, event-driven, cloud-native systems....  ...in AWS or Azure. ~ Strong understanding of the full SDLC, from design to release and post-implementation... 
    .Net
    Javascript
    C#
    Long-term contract

    Vantage Point

    Belfast
    a month ago

  • Software Engineer

    £45k per annum

     ...for 2 years. Proficiency in programming languages such as C#, .NET Core, JavaScript/TypeScript, and SQL. Familiarity with frameworks...  ...excellence. In this position, you will be at the forefront of developing robust solutions that meet the dynamic needs of our business... 
    .Net
    Javascript
    C#
    Full-time
    Work from home
    Flexible hours

    RiverStone Resources LLC

    Belfast
    1 day ago

  • Test Automation Engineer

    £35k - £45k per annum

     ...frameworks, and tools Collaborate closely with developers, product managers, and stakeholders to...  ...automation frameworks using Playwright, C#, and .NET Ensure high-quality reporting on test...  ...of test-driven development and full-stack test automation ~ Hands-on experience... 
    .Net
    Javascript
    C#
    Holiday work
    Full-time
    City centre
    Work from home

    Person Centred Software Ltd

    Belfast
    21 days ago

  • Graduate Software Engineer Developer (Belfast) SpringSummer 2026

     ...-growing world renowned innovative company that develops leading edge products for testing network equipment...  ...Application software development using some of: C#/.NET C Python Experience of web development using any of Javascript Angular CSS React and HTML would be beneficial... 
    .Net
    Javascript
    C#
    Holiday work
    Temporary
    Summer work
    Skilled worker visa
    Flexible hours

    Calnex Solutions

    Belfast
    a month ago

  • Technical Lead

    £55k - £72k per annumEstimated
     ...Work on a broad variety of projects and tech stacks for clients across seven sectors - no...  ...performance applications:  Programming Languages: JavaScript/TypeScript, Java, C# Frameworks: Vue/Angular/React/Node/Next, Spring/Spring Boot, .NET/ASP.NET Cloud platforms: AWS, GCP,... 
    .Net
    Javascript
    C#
    Long-term contract
    Full-time
    Contract
    Live-in
    Hybrid working
    On-site
    5 days/week
    Flexible hours
    2 days/week

    PA Consulting

    Belfast
    22 days ago

  • D365/Power Platform Solution Architect

    £39k - £53k per annumEstimated
     ...adherence to best practices. Mentoring: Mentor and train junior developers and team members. Continuous Improvement: Identify...  ...Platform and D365 solutions using Power Automate workflows, .NET plugins, and JavaScript. Integrations: Experience integrating Power Platform... 
    .Net
    Javascript
    C#
    Full-time
    Local area
    Remote
    Flexible hours

    Version 1

    Belfast
    18 days ago

  • .Net Developer

    £21k - £28k per annumEstimated
     ...closely with several customers to maintain, develop, innovate & improve current applications,...  ...to meet our client's user needs using C#/.Net · Write custom code and support our clients...  ...and ASP.NET development experience · JavaScript and SQL experience · SC eligible ·... 
    .Net
    Javascript
    C#
    Full-time
    Local area
    Remote
    Flexible hours

    Version 1

    Belfast
    29 days ago

  • Microsoft Dynamics 365 Developer

    £45k - £61k per annumEstimated
     ...in you! Job Description Plan, design, estimate, develop and implement Dynamics solutions based on established patterns...  ...migrations and upgrades Clear knowledge of the Microsoft stack (.NET, JavaScript, ASP.NET, MVC, C# .Net for Plugins and custom workflows,... 
    .Net
    Javascript
    C#
    Full-time
    Local area
    Remote
    Flexible hours

    Version 1

    Belfast
    28 days ago

  • API Software Engineer - C# / .NET

    £65k per annum

     ...Salary: £65,000 - 65,000 per year Requirements: Strong Back-end C#/.Net skills Experience in RESTful APIs and services Experience...  ...to offer a fantastic opportunity for an experienced .Net Developer to join our established Belfast team as we grow a brand-new unit... 
    .Net
    C#
    Full-time
    Hybrid working
    On-site
    Flexible hours

    Ocho

    Belfast
    1 day ago

  • .Net Software Architect

    £100k per annum

     ...architecting and delivering distributed systems in .NET at scale. ~ Expert-level understanding of...  ...with platform engineering, internal developer platforms, and golden paths. ~ Knowledge...  ...hands-on spikes and proofs of concept in C# and .NET 8. ~ Champion CI and CD, trunk-based... 
    .Net
    C#
    Full-time

    Ocho

    Belfast
    1 day ago

  • Software Engineer in Test

    £70k per annum

     ...automation. Proficiency in at least one programming language (JavaScript, Java, C#, Python, Go). Hands-on experience with modern testing...  ...software with probabilistic outcomes. Responsibilities: Develop and maintain automated tests and frameworks for web apps and... 
    Javascript
    C#
    Full-time

    Ocho

    Belfast
    1 day ago

  • Senior Software Engineer - C#/Java,

    £47k - £63k per annumEstimated
     ...Software Engineer (C#, Java, Server-Side Development) Location...  ...times a month) Employment Type: Full-time, Permanent Salary:...  ...and requirements Design and develop server-side applications using...  ...provide production support Mentor junior developers and support team... 
    Javascript
    C#
    Odd job
    Permanent
    Full-time
    Remote

    Cpl

    Belfast
    20 days ago

  • System Architect (Belfast) - Financial Services Technology

     ...communication, planning, and organisational skills. Technical Skills: Hands-on experience with enterprise systems development (C#, Java, JavaScript/TypeScript, C++ or similar). Proficiency in cloud computing and containerisation: AWS (preferred), Azure, GCP, Kubernetes,... 
    Javascript
    C#

    Vantage Point

    Belfast
    a month ago

  • QA Automation Engineer

    £60k per annum

     ...at least one programming language (Java, JavaScript, C#, etc.). Strong understanding of QA methodologies...  ...skills. Responsibilities: Design, develop, and execute automated UI, integration,...  ...manual testing when required to ensure full feature coverage. Oversee quality... 
    Javascript
    C#
    Full-time
    Hybrid working

    Ocho

    Belfast
    1 day ago

  • Senior C++Rust Software Engineer

    £74k - £100k per annumEstimated
     ...cycle. The Static Analysis team is looking for an exceptional developer with experience or interest in building and deploying security...  ...design and analysis. Experience with one or more of Java C# JavaScript Go PHP Python Kotlin Scala Groovy. Interest or experience... 
    Javascript
    C#
    Full-time
    Local area

    AppSec

    Belfast
    a month ago

  • Junior ServiceNow Developer

    £26k - £36k per annumEstimated
     ...seeking a motivated and detail-oriented Junior ServiceNow Developer to join our growing ServiceNow team...  ...its core modules. Familiarity with JavaScript HTML CSS and REST APIs. Strong...  ...please get in touch. Remote Work : No Employment Type : Full-time... 
    Junior
    Javascript
    Full-time
    Remote
    Flexible hours

    Telefonica Tech

    Belfast
    a month ago

  • Technical Graduate

     ...trusted with responsibility from the start. Whether you’re developing full-stack applications, engineering data pipelines, designing cloud infrastructures...  ...Languages: Proficiency in one or more of C++, Java, Python, JavaScript, or C#. Systems & Tools: Familiarity with Linux/Unix,... 
    Javascript
    C#
    Belfast
    a month ago

  • Senior Software Developer

    £55k per annum

     ...You should have strong coding skills in .NET Core, with a solid understanding of APIs,...  ...Your tasks will include: ~ Designing and developing modern, secure, and scalable software solutions...  ...RabbitMQ Web ASP.NET Cloud C# MVC More: We are a growing digital... 
    .Net
    C#
    Full-time
    Work from home

    Hayward Hawk

    Belfast
    1 day ago

  • Engineering Manager (Belfast, NI)

    £53k - £72k per annumEstimated
     ...requires a hands-on leader with a strong C# development background who can...  ...guidance to help engineers reach their full potential. Your technical foundation...  ...teams  Strong background as a C# Developer with minimum 5+ years hands-on .NET development experience  Experience... 
    .Net
    C#
    Holiday work
    Full-time
    Hybrid working
    On-site

    Biller Genie

    Belfast
    20 days ago

  • Full Stack Developer

    £57k - £77k per annumEstimated
     ...world systems, this is your opportunity to help reshape how millions move, live, and experience the world. What You’ll Build As a Full Stack Engineer, you’ll design and scale the technology behind The Flex — powering instant bookings, smart access, automated processes, and... 
    Javascript
    Remote

    The Flex

    Belfast
    12 days ago

  • Engineer

    £37k - £50k per annumEstimated
     ...variety of projects and tech stacks for clients across seven sectors...  ...performance applications:  .NET(including Entity Framework 6...  ...MVC and MVC Core)  CSS HTML JavaScript/Typescript  REST API design...  ...Provide support and coaching to junior members to help them grow and... 
    .Net
    Javascript
    Full-time
    Live-in
    Hybrid working
    On-site
    Remote
    5 days/week
    Flexible hours
    2 days/week

    PA Consulting

    Belfast
    22 days ago

  • Senior .Net Developer

    £42k - £57k per annumEstimated
     ...Job Description As a Senior .NET Developer , you will be working in a Scrum Team of...  ...software to meet our client's user needs using C#/.NET on the Microsoft Azure Cloud , follow...  ..., including Azure and some of the Azure stack of services Experience writing unit... 
    .Net
    C#
    Full-time
    Local area
    Remote
    Flexible hours

    Version 1

    Belfast
    14 days ago

  • Software Engineer (Java)

    £38k - £51k per annumEstimated
     ...out of the product.   Our technology stack...   Java (8/11) Spring Framework SQL (Microsoft SQL Server) C#, .NET & WPF  GIT Grafana iM Responsible...  ...Oriented Design and Patterns. Experience in developing RESTful APIs at scale. Experience in C#,... 
    .Net
    C#
    Full-time
    Hybrid working
    On-site
    Worldwide
    Flexible hours

    iManage

    Belfast
    14 days ago

  • Junior Document Controller

    £21k - £24k per annumEstimated
     ...we are committed to delivering Sustainable Net Zero outcomes for our clients, helping our...  ...clarity that helps teams realise their full potential across the real estate, infrastructure...  ..., overseeing document workflows, and developing data-driven insights to support operational... 
    Junior
    .Net
    Permanent
    Full-time
    No agency
    Flexible hours

    Turner & Townsend

    Belfast
    28 days ago

  • Developer

    £35k - £47k per annumEstimated
     ...As a Developer you will be part of a cross-functional Scrum Team collaborating closely in an...  ...developer. You will develop software using C#/.NET on the Microsoft Azure Cloud adhering to...  ...Capability Partner #LI-EB1 Remote Work : No Employment Type : Full-time... 
    .Net
    C#
    Full-time
    Local area
    Remote
    Flexible hours

    Version 1

    Belfast
    14 days ago

  • Front-End Developer

    £39k - £52k per annumEstimated
     ...Job description The Front-End Developer will be responsible for building high-quality...  ...decisions, uphold best practices, and mentor junior developers while collaborating across teams...  ...Essential Skills Strong skills in JavaScript, HTML, CSS and React, with experience using... 
    Javascript
    Long-term contract
    Permanent

    GetSwarms Ltd

    Belfast
    2 days ago