.net engineer jobs in Newcastle upon Tyne

Title: Backend Software Engineer C# .Net - FinTech (Newcastle Upon Tyne)Location: Newcastle Upon Tyne, Tyne And Wear, North East, NE1 6SQ, UKCompany: Client ServerBackend Software Engineer / Developer (C# .Net Core) *Newcastle onsite* to £130k+Are you a backend focussed Software Engineer with a first class education looking for an opportunity to progress your career, working on complex and...

Senior Backend Developer (.NET | AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: UK or Turkey (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale. With Agentic AI live in production, Keepnet runs...

A recruitment agency is seeking a mid-senior level Software Engineer in Newcastle upon Tyne. The ideal candidate will have a Bachelor's degree in Computer Science and over four years of experience with .NET and database management systems like MS SQL Server and MySQL. Responsibilities include designing, coding, and managing applications, along with collaborating with engineering teams to build...

.NET Developer, C#, .NET 9, Angular 19, Web API 2 – Newcastle (Tech stack: .NET Developer, .NET 9, C#, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, .NET Developer) Have you ever thought about getting from London to Edinburgh in 30 minutes? My client, a world leader in aerospace technology, and has decided to undertake research into a subsonic...

Pearson Carter are currently working with a fast-growing software house based in the North East, known for delivering high-quality, client-focused solutions across a range of industries. They are looking for a .Net Developer who can wear multiple hats and work directly with clients, giving you the chance to see the real impact of your work. If you’re ready to take the next step in your tech...

You will contribute to nationally significant nuclear and energy programmes, working on projects that support Net Zero ambitions and next-generation technologies.

You will join collaborative, technically strong teams, gain exposure across the full project lifecycle, and develop your career in a highly regulated, future-focused environment where learning and progression are actively supported.

You will be working closely with the Machine Learning team; however, you are not required or expected to have background in Machine Learning. This is an applied role, and we are looking to hire a software engineer with experience in cloud computing and distributed systems. In this role, you will:

You must be able to appreciate complex, practical, regulatory, technical and commercial issues and to work constructively with a broad range of senior stakeholders. Role accountabilities: - Responsible for the design of transmission protection systems for voltages up to 400 kV.

Principal Software Engineer Fully Remote | Permanent | Competitive Salary + Benefits Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to combine hands-on development with strategic influence, guiding architecture decisions and shaping...

You will be a great fit if you: - Have 5+ years full-stack experience, with strong JavaScript/TypeScript depth. - Are backend-leaning, with deep Node. js and API experience. - Have previously worked in early-stage start-ups or very lean engineering teams. - Have extensive evidence of being a hands-on individual contributor in complex codebases.

About the Job This position is for a Senior Software Engineer with a minimum of 5 years of experience in backend development and a passion for building robust, scalable systems. We are looking for an engineer with a strong background in the C# .NET ecosystem, and a preference for candidates with significant experience on AWS. Are you ready for a challenge? We're looking for a dynamic software...

You will design and build APIs that enable products, partners and AI services to work together, including: Building RESTful APIs using C# .

You will likely bring: Strong experience building backend services in C# .

Junior Developer Fully Remote within UK C# / .Net/ ASP.NET £30,000-£40,000 I've recently partnered with a growing Security Tech business who are based in Bristol and looking to add a Junior Developer to their growing team on a fully remote basis within the UK! The company have been going for over 10 years and have built market leading solutions all aimed at minimising risk factors and...

Backend Software Engineer / Developer (C# .Net Core) *Newcastle onsite* to £130k Are you a backend focussed Software Engineer with a first class education looking for an opportunity to progress your career, working on complex and interesting systems in an impactful role? You could be joining a FinTech scale-up that has secure backing, an established Hedge Fund client as a partner and ambitious...

You will receive industry recognized training in all aspects of: . NET 9, Azure, Angular 19, Solid, DRY, LINQ, multithreading, Microservices, RESTful, Web API 2, JavaScript, HTML5, Agile and MongoDB. Our client offers a structured career progression programme. It is common place for developers within their firm to receive their first promotion (and pay rise!

You will own the engineering vision and execution of Keepnet's core platform, operating across the UK, EU, US, UAE, and Canada, supported by distributed offshore and nearshore teams.

You will not be expected to do everything yourself. Success in this role will be measured by platform reliability, delivery predictability, team health, and customer impact.

You will contribute to nationally significant nuclear and energy programmes, working on projects that support Net Zero ambitions and next-generation technologies.

You will join collaborative, technically strong teams, gain exposure across the full project lifecycle, and develop your career in a highly regulated, future-focused environment where learning and progression are actively supported.

You will be part of a talented team focused on building high-quality code for complex systems. Candidates should have a minimum 2.1 BSc in Computer Science and be experienced in modern software development practices. The role offers a competitive salary, bonus, and opportunities for career growth within a vibrant, diverse workplace.

Senior Software Engineer C# .Net Core - FinTech This range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Client Server Senior Software Engineer / Back End Developer (C# .Net Core) *Newcastle onsite* to £130k+ Are you a back end focused Software Engineer with a...

Title: Graduate Software Engineer - Fintech (Newcastle Upon Tyne)Location: Newcastle Upon Tyne, Tyne And Wear, North East, NE1 6SQ, UKCompany: Client ServerGraduate Software Engineer / Developer *Newcastle onsite* £33k+ - Start March 2026Are you a bright, ambitious technologist with a top class education looking for an opportunity to join a tech start-up? You could be progressing your career at a...