1 to 25 of 41 C# Jobs in Northern Ireland

Senior .Net Full Stack Developer (SC Cleared)

Hiring Organisation
Stealth iT Consulting
Location
Belfast, UK
Employment Type
Full-time
hybrid + ad hoc client site travel) Primary skills & requirements; Must hold active SC Clearance Extensive experience building services using ASP.NET Core and C# Experience developing front-end web applications using modern frameworks such as React, Angular, or Blazor/Razor Experience with cloud technologies such as AWS or Azure ...

.Net Full Stack Developer (SC Eligible)

Hiring Organisation
Stealth iT Consulting
Location
Belfast, UK
Employment Type
Full-time
hybrid + ad hoc client site travel) Primary skills & requirements; Must be eligible for SC Clearance Extensive experience building services using ASP.NET Core and C# Experience developing front-end web applications using modern frameworks such as React, Angular, or Blazor/Razor Experience with cloud technologies such ...

Senior Software Developer | Webigence and Spark Travel

Hiring Organisation
Spark Travel
Location
Belfast, UK
Employment Type
Full-time
with ability to attend occasional team meet‐ups in London (travel expenses covered). Design, build, and maintain features across the stack: .NET (C#) based API backends, Angular (TypeScript) based frontends, SQL Server, Cosmos DB. Own mission‐critical modules such as pricing engines, itinerary or form builders, client proposal ...

Data Reporting engineer (Python/.Net)

Hiring Organisation
Tenth Revolution Group
Location
Belfast, UK
Employment Type
Full-time
contract Fullstack Data reporting engineer and Python software developer. Fullstack Data reporting engineer (Python/.Net) - Contract: Required Skillset: 5+ years Software engineering experience C# Full Stack .NET development SQL Server & SQL Server Reporting Services Python for data engineering and Power BI Strong SQL knowledge Git/GitHub React/ ...

Lead Dotnet Developer

Hiring Organisation
Ocho FC
Location
Belfast, Northern Ireland, United Kingdom
Kubernetes, TeamCity, Octopus Deploy * Strong architectural capability across event-driven systems, messaging (Kafka/Redis), API design and distributed systems Technical Skills * .NET/C#, Web Forms, Core, REST APIs * Java, Python (for PoCs and architectural experimentation) * Kubernetes, Docker, CI/CD pipelines * SQL Server, Postgres, caching strategies, performance engineering ...

Java Full Stack Engineer

Hiring Organisation
Stealth iT Consulting
Location
Belfast, UK
Employment Type
Full-time
familiarity with MongoDB is preferred) or SQL databases such as Postgres Familiarity with web standards, accessibility, and development best practice Bonus: Building microservices in C# Experience building solutions that integrate with LLMs using tools such as Vercel AI, Langchain etc. Using the GOV.UK Design System and using Nunjucks ...

Senior Full Stack Developer / Full Stack Developer - Insurance

Hiring Organisation
Ping Insure
Location
Belfast, UK
Employment Type
Full-time
Stack Developer, with at least 2 years at Senior level. Strong back-end experience with one or more of: Node.js/TypeScript .NET/C# PHP/Laravel Strong front-end experience with: React, Vue, or Angular Modern JavaScript/TypeScript API-first development (REST/JSON). Strong database ...

Head of Development

Hiring Organisation
ECS Resource Group
Location
Belfast, UK
Employment Type
Full-time
priorities reflect business objectives. Key Requirements Minimum 15 years of software development experience, including at least 5 years in a leadership role. Tech stack: C#, .NET Core, VB.NET, SQL, RabbitMQ, Azure, Python, JavaScript. Strong architectural experience with cloud migration, microservices, risk management, and scaling systems. Proven experience in B2B SaaS ...

Senior Software Engineer

Hiring Organisation
Applause IT Recruitment
Location
Belfast, UK
Employment Type
Full-time
security decision-making Occasionally supporting junior developers and end users What they're looking for: 5+ years of experience with .NET Core, C#, SQL Server Proficiency with Blazor, Razor Pages, and EF Core Strong front-end skills: HTML, CSS, JavaScript/jQuery, responsive design Solid understanding of web security, application ...

Software Architect

Hiring Organisation
Ocho
Location
Belfast, UK
Kubernetes, CI/CD and automation Excellent mentoring, coaching and stakeholder communication skills Comfortable leading large engineering groups Technical Stack .NET/C#, Web Forms, .NET Core, REST APIs Java and Python for proofs of concept Azure or AWS, Kubernetes, Docker SQL Server, Postgres, performance engineering and caching Event-driven ...

Senior Integration Engineer

Hiring Organisation
Vector Resourcing
Location
Belfast, UK
Employment Type
Full-time
+ years of overall experience implementing integration patterns using Azure Services such as Azure Service Bus, Azure Event Grid, Azure Function Apps (Python and C#) and Logic Apps across distributed systems. 5+ years of experience developing and consuming REST and OData APIs, with strong knowledge of Azure authentication models such ...

Automation Test Analyst

Hiring Organisation
Fynity
Location
Belfast, UK
Employment Type
Full-time
experience as an Automation Tester or similar QA role. Strong knowledge of automation tools such as Selenium WebDriver, Cypress, Playwright, or equivalent. Knowledge of C# and Typescript. Mobile app testing experience. Experience working within Agile/Scrum delivery environments. Familiarity with CI/CD pipelines and Azure DevOps. Strong understanding ...

Senior Test Automation Engineer

Hiring Organisation
Xperi Inc
Location
Bangor, Northern Ireland, United Kingdom
years’ experience in software testing, with an emphasis on test automation. Proficiency in at least one programming language (e.g., Python, C/C++, C#). Strong expertise with test management tools such as Jira, TestRail, Zephyr, or MSTest, as well as familiarity with test frameworks like GTest, JUnit, FlaUI ...

AI Software Engineer

Hiring Organisation
ARC Regulatory
Location
Newtownabbey, Co. Antrim, UK
Employment Type
Full-time
precision medicine research. You will be a vital link between the software team and Internal & external stakeholders. Key Responsibilities Develop & maintain applications using .NET (C#), .NET Core, and Azure technologies. Collaborate with product managers, designers, and developers to create high-quality software solutions. Develop AI solutions in a regulated environment … Developer role Minimum of 5 years post graduate experience within Software Development Degree in computer science of a related discipline Strong experience in .NET (C#, .NET Core) and SQL Server. Proficiency in Azure cloud services (Azure App Services, Functions, Storage). Experience with front-end technologies (HTML, CSS, JavaScript, Angular ...

AI Software Engineer

Hiring Organisation
ARC Regulatory
Location
Belfast, Northern Ireland, United Kingdom
precision medicine research. You will be a vital link between the software team and Internal & external stakeholders. Key Responsibilities Develop & maintain applications using .NET (C#), .NET Core, and Azure technologies. Collaborate with product managers, designers, and developers to create high-quality software solutions. Develop AI solutions in a regulated environment … Developer role Minimum of 5 years post graduate experience within Software Development Degree in computer science of a related discipline Strong experience in .NET (C#, .NET Core) and SQL Server. Proficiency in Azure cloud services (Azure App Services, Functions, Storage). Experience with front-end technologies (HTML, CSS, JavaScript, Angular ...

C# Developer (Government)

Hiring Organisation
Stealth iT Consulting
Location
Belfast, UK
Employment Type
Full-time
C# Developer (Government) - Remote - £330.00 Per Day Inside IR35 My government client are seeking a C#/.NET Developer with proven expertise in building modern, cloud-native solutions. This is a high-impact position where you will lead the development of .NET applications using C# and the latest frameworks (.NET …/8), while shaping the technical direction of mission-critical projects. Must have Government background. Required Skills & Experience: Development of .NET applications using C#, .NET 6/7/8, and modern frameworks. Build cloud-native microservices hosted on Azure App Services, AKS, or serverless components. Implement high-quality, testable ...

Dynamics 365 CE Technical Consultant

Hiring Organisation
Adapt 365
Location
Belfast, UK
Employment Type
Full-time
expectations. Delivering work that's not just functional — but exceptional. What you'll bring: Dynamics 365 accreditations and deep CE knowledge. Strong coding skills (C#, ASP.Net, Python, Java, JSON). Experience with enterprise CRM systems and complex project delivery. Excellent customer engagement and stakeholder management skills. A passion for quality ...

.NET Developer

Hiring Organisation
Noir
Location
Belfast, Northern Ireland, United Kingdom
.NET Developer, .NET 10.0 - Social Networking Site – Belfast (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is the world’s largest social-networking web site and they have … this list as well as their workforce increasing by 100% in size. Underpinning this success is their hip and cutting-edge .NET/C# technology platform. We are seeking several .NET Developer to work on the development of revolutionary new features that will draw users to their web site ...

.NET Developer

Hiring Organisation
Noir
Location
Newtownabbey, Co. Antrim, UK
Employment Type
Full-time
.NET Developer, .NET 10.0 - Social Networking Site – Belfast (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is the world's largest social-networking web site and they have … this list as well as their workforce increasing by 100% in size. Underpinning this success is their hip and cutting-edge .NET/C# technology platform. We are seeking several .NET Developer to work on the development of revolutionary new features that will draw users to their web site ...

.NET Developer

Hiring Organisation
Noir
Location
Lisburn, Co. Antrim, UK
Employment Type
Full-time
.NET Developer, .NET 10.0 - Social Networking Site – Belfast (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is the world's largest social-networking web site and they have … this list as well as their workforce increasing by 100% in size. Underpinning this success is their hip and cutting-edge .NET/C# technology platform. We are seeking several .NET Developer to work on the development of revolutionary new features that will draw users to their web site ...

Winforms Developer

Hiring Organisation
Reggie & Cole
Location
Belfast, UK
implementing new features, improving stability, and ensuring smooth day-to-day operation of established systems while working closely with technical stakeholders. Skills & Experience: Strong C#/.NET development Proven WinForms experience Experience working on and maintaining legacy systems Solid understanding of object-oriented design Experience with SQL Server DevExpress experience ...

C# Developer - BELFAST

Hiring Organisation
Synechron
Location
Newtownabbey, Co. Antrim, UK
Employment Type
Full-time
Synechron is looking for an ASP.NET Core Developer with strong expertise in C# and SQL Server to join our development team. We are specifically looking for hands-on experience with version control systems, CI/CD pipelines, and testing frameworks. Key Responsibilities: Design, develop, and maintain web applications using ASP.NET … Core with C# Develop and optimise SQL Server databases, queries, and stored procedures Manage source code using Git and collaborate via branching and merging strategies Implement and maintain CI/CD pipelines using tools such as TeamCity or equivalent Deploy applications to various environments with efficiency and precision Write comprehensive ...

C# Developer - BELFAST

Hiring Organisation
Synechron
Location
Lisburn, Co. Antrim, UK
Employment Type
Full-time
Synechron is looking for an ASP.NET Core Developer with strong expertise in C# and SQL Server to join our development team. We are specifically looking for hands-on experience with version control systems, CI/CD pipelines, and testing frameworks. Key Responsibilities: Design, develop, and maintain web applications using ASP.NET … Core with C# Develop and optimise SQL Server databases, queries, and stored procedures Manage source code using Git and collaborate via branching and merging strategies Implement and maintain CI/CD pipelines using tools such as TeamCity or equivalent Deploy applications to various environments with efficiency and precision Write comprehensive ...

C# Developer - BELFAST

Hiring Organisation
Synechron
Location
Belfast, Northern Ireland, United Kingdom
Synechron is looking for an ASP.NET Core Developer with strong expertise in C# and SQL Server to join our development team. We are specifically looking for hands-on experience with version control systems, CI/CD pipelines, and testing frameworks. Key Responsibilities: Design, develop, and maintain web applications using ASP.NET … Core with C# Develop and optimise SQL Server databases, queries, and stored procedures Manage source code using Git and collaborate via branching and merging strategies Implement and maintain CI/CD pipelines using tools such as TeamCity or equivalent Deploy applications to various environments with efficiency and precision Write comprehensive ...

Senior Software Engineer

Hiring Organisation
OptumUK
Location
Belfast, UK
Employment Type
Full-time
This role will see you working across our product suite, contributing to the design, development, and delivery of innovative software. Our tech stack includes C# (.Net Core), MySQL, HTML/CSS, JavaScript, and containerized workloads in AWS. What you'll do At Optum UK, we believe in the power … developing, testing, and maintaining high-quality software solutions. Collaborating with product managers, designers, and clinicians to translate requirements into technical specifications. Building and maintaining C#/.Net applications using best practices and design patterns. Developing RESTful APIs for seamless integration with internal and external systems. Optimising application performance and conducting ...