1 to 25 of 40 C# Jobs in Northern Ireland

Senior Software Engineer (Back-End) JBLE1 NI

Hiring Organisation
TP ICAP Group Services Ltd
Location
Belfast, UK
impact. Experience/Competences Essential Extensive experience (5+ years) as a Senior Software Engineer within a complex, delivery-focused environment. Strong expertise in .NET (C#) across modern .NET Framework and .NET Core environments. Proven experience developing distributed, real-time systems and designing scalable system components. Solid experience with relational databases ...

Senior Software Engineer - Core

Location
Belfast, Northern Ireland, United Kingdom
expertise. Qualifications Bachelor’s Degree in Computer Science, Software Engineering or equivalent practical experience. 8+ years of software engineering experience. Advanced proficiency in C#/.NET with a record of designing and implementing large‐scale, complex systems. Deep understanding of architectural principles and patterns for distributed systems (e.g., microservices, event ...

Lead D365 CE Engineer

Hiring Organisation
Hackajob Ltd
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Permanent
experience), including: Strong Dataverse and model-driven app development Experience with CE modules such as Sales, Marketing, Customer Service, Field Service and Customer Insights) C# plug-in development and PCF development (TypeScript/React) JavaScript form customisation and Power Automate Knowledge of public cloud platforms, such as AWS and Azure ...

Senior React/ Typescript Engineer JBLE1 NI

Hiring Organisation
Ocho
Location
Belfast, UK
/Nice to Have: Experience using Figma for design mock-ups and collaboration Familiarity with Storybook for UI component development Experience with AWS services, C# and relational databases Why Apply? Salary up to £65,000 Hybrid working... 3 days per week in Belfast Work on modern, high-impact platforms used ...

AI Context Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
workflows and steering techniques for reliable automation Ensure alignment with architectural patterns, coding standards, and performance Strong Object-Oriented Programming skills (e.g., Java, Python, C#) Experience with CI/CD pipelines and DevOps practices Knowledge of cloud platforms (AWS, Azure, or GCP) Candidates must be permanently based in Northern Ireland ...

Java Developer (AVP)

Location
Belfast City District, Northern Ireland, United Kingdom
Experience in Low Latency Software Development in a microservices environment high performance architectures and high throughput applications is a plus* Experience in C++ or C# is beneficial* Experience in SBE* Experience with JNI is a plus* Ability to work with distributed teams across multiple time zones**Education:*** Bachelor's degree ...

Principal Software Engineer — Cloud, AI & Architecture

Location
Belfast City District, Northern Ireland, United Kingdom
Instil is seeking an experienced Principal Software Engineer to design, build, and guide production-ready software across Java, Python, C#/.NET and TypeScript. You’ll lead cloud-native initiatives on AWS/Azure/GCP, drive architecture decisions, and mentor engineers to raise technical excellence. You’ll work with ...

Cloud-Native Senior Software Engineer (Hybrid)

Location
Belfast City District, Northern Ireland, United Kingdom
Instil Software Ltd is seeking experienced Senior Software Engineers to design, build, and operate scalable cloud-native solutions using Java, Python, C#/.NET and TypeScript. You’ll influence architecture, drive API design, and guide production deployments across AWS, Azure, or GCP. You’ll work with cross-functional teams, adopt ...

Senior QA Analyst

Hiring Organisation
Expleo UK LTD
Location
Belfast, County Antrim, United Kingdom
Employment Type
Permanent
activities. Drive continuous improvement of QA processes and testing practices. Leverage test automation experience and knowledge of coding languages (e.g., Java/Typescript/C#) to create and maintain automated tests using common libraries (e.g., Selenium/Playwright). Essential - Bachelor's Degree in Computer Science, Information Systems, or other ...

Software Developer JBLE1 NI

Hiring Organisation
Fibrus Networks Ltd
Location
Belfast, UK
/Programmer or DevOps Engineer, ideally within a telecommunications or infrastructure environment. 3 years experience in 1 of the following Programming Languages - Typescript, Python, C# Cloud Platform experience - Azure or equivalent - Databases, functions, static web apps, enterprise applications Advantageous - knowledge of Microsoft D365 and processes, Database, Docker, Linux Proven experience ...

Senior Java Developer (AVP)

Hiring Organisation
Citigroup
Location
Belfast, Down, United Kingdom
Salary
£ 60 K
Desirable skillsExperience in Low Latency Software Development in a microservices environment high performance architectures and high throughput applications is a plusExperience in C++ or C# is beneficialExperience in SBEExperience with JNI is a plusAbility to work with distributed teams across multiple time zonesEducation:Bachelor's degree in Computer Science, Engineering ...

Senior Cloud Software Architect & AI-Driven Leader

Location
Belfast City District, Northern Ireland, United Kingdom
complex technical challenges, building scalable systems, and guiding teams to deliver production-grade software. You will design and deliver modern solutions using Java, Python, C#/.NET and TypeScript, lead architectural decisions, and mentor engineers across cloud-native platforms (AWS/Azure/GCP) with a focus on reliability ...

Software Developer (NI - hybrid or remote) JBLE1 NI

Hiring Organisation
MCS Group
Location
Belfast, UK
world problems, and learning from experienced engineers around you. What You'll Need Experience in .Net software development, ideally building applications. Solid grounding in C#, with exposure to .NET Core, ASP.NET MVC, and Web APIs. Experience with react and cloud technologies is advantageous Experience or familiarity with modern end frameworks ...

Senior Backend Engineer

Hiring Organisation
Inspire People
Location
Belfast, County Antrim, United Kingdom
Employment Type
Full-Time
Salary
£63,824 - £80,158 per annum
Inspire People, is seeking a Senior Backend Engineer. Whilst the team primarily develops in Python, we welcome applications from experienced backend developers with Java, C#, Go or similar object-oriented programming backgrounds, with experience designing, operating and improving distributed systems. This permanent Grade 7 role can be based in London ...

Senior Backend Engineer

Hiring Organisation
Inspire People
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Permanent, Part Time, Work From Home
Salary
£80,000
Inspire People, is seeking a Senior Backend Engineer. Whilst the team primarily develops in Python, we welcome applications from experienced backend developers with Java, C#, Go or similar object-oriented programming backgrounds, with experience designing, operating and improving distributed systems. This permanent Grade 7 role can be based in London ...

Staff Software Engineer

Hiring Organisation
Cpl
Location
Belfast, Down, United Kingdom
Salary
£ 60 K
engineers within the teamRequired ExperienceDegree in Computer Science or a related discipline6+ years of professional software development experienceStrong server-side development experience using C#/.NETExperience designing and implementing scalable web or service-based solutionsSolid experience with relational databases (e.g. SQL Server or equivalent)Experience working in CI/ ...

Creatio Technical Consultant/Senior Consultant, Deloitte Digital

Hiring Organisation
Deloitte
Location
Belfast, Down, United Kingdom
Salary
£ 55 K
clearly to both technical and non-technical audiences.Desirables:Creatio certifications (e.g., Creatio Certified Professional, Creatio Developer).Experience with Creatio development tools and concepts (e.g., C#, JavaScript, SQL, Creatio SDK) for extending platform functionality.Familiarity with relational database concepts and data integration techniques.Familiarity with agile development methodologies.Experience with other ...

Senior Software Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
software engineering and cloud/platform engineering. You’ll be designing, building, and operating modern software solutions using technologies such as Java, Python, C#/.NET and TypeScript , while working closely with cloud platforms and engineering teams to deliver reliable, production‐ready systems. It’s a strong fit for someone … help teams work more effectively and deliver greater value. What You'll Be Doing Design, build, and maintain software solutions using Java, Python, C#/.NET and/or TypeScript Develop cloud‐native applications across AWS, Azure, or GCP Contribute to system architecture and make key technical decisions Build ...

Principal Software Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
cloud/platform engineering. You’ll be designing, building, and guiding the delivery of modern software solutions using technologies such as Java, Python, C#/.NET and TypeScript , while working closely with engineering teams to ensure solutions are scalable, secure, and maintainable. It’s a strong fit for someone … work more effectively and deliver greater value. What You'll Be Doing Design, build, and guide the delivery of software solutions using Java, Python, C#/.NET and/or TypeScript Develop cloud-native applications across AWS, Azure, or GCP Provide technical leadership on complex projects and programmes of work ...

Software Engineering Manager (Derry)

Location
Derry and Strabane District, Northern Ireland, United Kingdom
alongside AWS serverless technologies, Lambda, CDK and a mixture of relational and document-based databases. TypeScript experience would be advantageous, although strong candidates from C#, Java, Go or Kotlin backgrounds will also be considered. What's on Offer? Competitive market salary. Performance-related bonus. The opportunity to become the senior ...

Trainee Web Developer

Hiring Organisation
IT Career Switch
Location
Belfast, County Antrim, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £45,000 per annum
friendly advisors will be in touch. Keywords: Coding, programming, web developer, software developer, app developer, Trainee, PHP, HTML, SQL, CSS3, Java, Javascript, Python, C#, Trainee Web Developer ...

Senior Software Test Engineer JBLE1 NI

Hiring Organisation
Randox Laboratories
Location
Antrim, Co. Antrim, UK
software related discipline. Minimum of 3 years experience working within a Software Test environment. Familiarity with at least 2 of the following programming languages: C#, C++, Delphi, VB and Java. Excellent knowledge of software testing processes and testing methodologies such as V-Model, Waterfall and Agile. Experience working to strict ...

.Net Software Developer JBLE1 NI

Hiring Organisation
MCS Group
Location
Belfast, UK
Developers to shape next-generation trading systems and deliver large-scale engineering solutions. What you'll do Develop, enhance, and maintain complex systems using C# (.NET Core) and SQL Build scalable, cloud-native solutions on AWS Collaborate closely with Architects and QA Engineers to ensure robust, testable, and high-quality …/CD pipelines Mentor teammates, contribute to code reviews, and promote engineering best practices What we're looking for Strong hands-on experience in C# (.NET Core) Knowledge of modern frontend frameworks Proficiency with Microsoft SQL Server or similar databases Experience with cloud technologies like AWS or Azure Agile mindset ...

Senior Software Developer JBLE1 NI

Hiring Organisation
VANRATH
Location
Belfast, UK
Senior Software Developer Contract: Temporary position for 6 months Salary: £36,122 plus a £7,542 annual salary supplement Job Role A major public-sector organisation is seeking an experienced Senior Software Developer to join ...

AI Engineers (Copilot studio/ Power Platform) JBLE1 NI

Hiring Organisation
MCS Group
Location
Belfast, UK
Power Automate AI agents and agentic AI Backend development Data and AI technologies We're open on your backend programming language. Experience with Python, C#, Java or other backend languages is all relevant. The role isn't purely development. You'll also work with clients to understand requirements, explain technical ...