C# developer jobs in Belfast

About Instil At Instil, we help technology brands transform, innovate and disrupt their markets with secure, category-defining software. Our services include product development, delivering next-generation digital solutions; cyber security, helping teams protect against...

 ...Engineer (Senior Associate) in Kainos, you’ll be responsible for developing high quality solutions which delight our customers and impact the...  ...maintaining modern software applications, with strong experience in C#/.NET Experience of applying development best practices and... 

 ...software solutions, with a particular focus on back-end services and APIs using C# and .NET . You will work within a cloud-based distributed architecture and have the opportunity to develop your expertise across AWS, Infrastructure as Code and modern software engineering... 

 ...subject line: “Application Support Request”. Role: Senior .NET Developer Job Type: Permanent Location: Belfast, UK / Dublin,...  ...or systems analysis roles. Strong proficiency in .NET Core and C# development. Strong experience with T-SQL and Microsoft SQL Server... 

 ...Senior C# and React Full stack Developer | Front Office Trading House | £90,000 + Strong bonus | 3 days in the Office, Belfast Senior C# and React, full stack Developer is needed for a Belfast-based Hedge Fund who operate across the energy, commodities, equities and other... 

 ...and want to help shape the way we embed AI tooling throughout our developer experience.    Primary Job Responsibilities: Design & build...  ...related qualification OR commercial experience of developing in C#, Java or other OO programming languages  Minimum 2 years of hands... 

 ...Ability to work effectively within defined project timelines, including fixed-term contracts. Responsibilities: Design and develop Drupal-based web applications and components to meet project requirements for a government customer. Implement clean, maintainable... 

 ...SENIOR DEVELOPER Equipple | Belfast, Titanic Quarter — hybrid, minimum two days a week in the office Permanent, full time | £55,000–£65,000 depending on experience Closing date: Sunday 20 September 2026 Own the stack behind a growing EdTech platform — React, Node,... 

 ...role will involve designing and provisioning AWS infrastructure, deploying and integrating leading third-party broadcast technologies, developing bespoke software services where off-the-shelf products don't meet requirements and helping shape the future of television... 

 ...Building and maintaining a test infrastructure in code which is able to fully automate both client and server, where you will have to develop mock servers, write automation cases and execute them on different platforms. Responsibilities Design, build and maintain Test... 

 ...Our interview process involves several technical interviews and we aim to complete them within 1 week.  What Yo u’ ll Do Design, develop, and maintain robust APIs including public TTS API, internal APIs like Payment, Subscription, Auth and Consumption Tracking, ensuring... 

 .... As a Placement Software Engineer in Visa, you will: Help develop the next generation of Visa enterprise class solutions for our global...  ...coding ability within Object oriented languages such as Java, C# or C++ An undeniable passion for the software engineering discipline... 

 ...testing, compliance, data masking, employee document management and pay transparency analyzer. We are looking for Workday Extend Developers to help shape our future product offerings on the Workday platform. The role holder will join a Product team to focus entirely on... 

 ...expertise in C and C++, who have experience working in real-time environments and model-based development. Key Responsibilities Develop and support embedded software using C and C++. Testing of software changes on-site. Perform analytical design, critical analysis, and... 

 ...and engineering practices. What you'll be doing * Designing, developing and maintaining software applications * Building new...  ...should have experience with several of the following: * Java, C#, .NET, Python, JavaScript, TypeScript or another relevant language... 

 ...JOB TITLE: Software Developer JOB LOCATION: Belfast TERMS: Permanent, full time (hybrid) THE JOB We’re looking for a Software Developer...  ...1 of the following Programming Languages - Typescript, Python, C# ~ Cloud Platform experience - Azure or equivalent - Databases,... 

 ...expansion and doubling its workforce, driven by a cutting-edge .NET/C# technology platform. This is an exceptional opportunity to join a...  ...is shaping the future of online social interaction. The Role Develop revolutionary new features to enhance user engagement Work on a... 

 ...Software Developer We are seeking a highly skilled and experienced individual to join our dynamic team. Key responsibilities include Play a key role in the technical development of our pensions products. Develop, test and deploy code, work collaboratively with other... 

 ...we build. Responsibilities: Help build and deliver end-to-end product features across the stack: UI, APIs, and data model. Develop in TypeScript on Node and use Pulumi to deploy AWS tech like Lambda, DynamoDB and API Gateway in a way that’s reproducible, reviewable... 

About us @Symphony Secure. Connected. Intelligent. Symphony is an AI-powered communication and technology company fueled by interconnected platforms: messaging, voice, directory and analytics. Our end-to-end encrypted technologies enable over 1,400 institutions to accelerate...

We are looking to hire ambitious entrepreneurs to start and scale their own startups. We are serial entrepreneurs, for example Paul Müller (founder Adjust, €1.2B exit) and Petter Made (founder SumUp, €8B) who are eager to support outlier personalities and serial entrepreneurs...

 ...Job description Senior Software Developer Company Background A leading UK provider of software solutions to the Travel Insurance sector...  ..., develop, and maintain reusable components using jQuery and C# Ensure high standards of performance, scalability, and security... 

 ...passion for football, innovation and teamwork . We are a team of people who live and breathe the game — from coaches and players to developers and customer success specialists. At TeamFeePay, we value collaboration, creativity and ownership , encouraging everyone to... 

 ...Software Engineering or equivalent practical experience ~3+ years of experience in software engineering ~ Good experience in the .Net and C# ecosystem, with experience maintaining large-scale, complex systems ~ In-depth understanding of architectural principles and patterns,... 

 ...Full-Stack Software Engineer As a Senior Software Engineer, you’ll join a growing team shaping the future of digital agriculture by developing cutting-edge solutions that make a real difference to customers. You will have autonomy to make decisions, be involved in early... 

 ...modern software solutions using technologies such as Java, Python, C#/.NET and TypeScript , while working closely with cloud...  ...software solutions using Java, Python, C#/.NET and/or TypeScript Develop cloud-native applications across AWS, Azure, or GCP Contribute... 

 ...Job Title: Senior Software Developer Organisation: Northern Ireland Assembly Contract: Temporary - Full Time Hours - Contract duration...  ...Areas: Application Development: Microsoft Visual Studio (2015+), C#.NET, ASP.NET, Web programming (HTML, JavaScript, CSS), MVC... 

Location: Belfast, NI / Hybrid (This role requires working in-office 3 days per week.) EverQuote is a leading AI-powered growth solutions partner for regulated property and casualty insurance entities, enabling the largest insurance carriers and thousands of agents to maximize...

 ...Job description Senior Software Developer Contract: Temporary position for 6 months Salary: £36,122 plus a £7,542 annual salary supplement...  ...the latest Microsoft technologies, including ASP.NET Core MVC, C#.NET, Azure Functions, Entity Framework Core and SQL Server....