.net software engineer jobs in Newcastle upon Tyne

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 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:

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 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# .

You will be a strong match if you bring:

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...

Embedded Software Engineer Newcastle upon Tyne £45,000 – £65,000 + Benefits KO2 are proud to be partnering with an innovative client in Newcastle upon Tyne, as they continue to expand their engineering team through 2025. This is an exciting opportunity for an Embedded Software Engineer to work on the development of cutting-edge products across multiple industries. The Role As an Embedded...

Job Description Senior Real-Time Software Engineer Hybrid, Newcastle We’re hiring on behalf of a leading engineering organisation working at the cutting edge of defence technology. This newly created role sits within a multi-disciplinary R&D team solving complex, real-world problems through robotics, automation and intelligent systems. If you’re a software engineer who wants to see your code...

Job Description Role: Robotics Software Engineer Location: Newcastle (Hybrid Working Available) Salary: £40,000 – £60,000 + Bonus + Excellent Benefits Shape the Future of Robotics – Join a Leading Innovation Team in Newcastle! KO2 Recruitment is proud to partner with a world-class robotics company designing and developing advanced robotic systems used across global industries. Due to...

You will also gain access to: - Industry-recognised certifications - Project-based learning with experienced engineers - Over £1bn globally invested each year in learning & development - Coaching, mentoring and shadowing opportunities - Clear route into specialist areas once you find your niche

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...

You should also expect to work across the full stack and every stage of the product lifecycle, from system design through to build, test, deployment and supporting systems in production, so you should be skilled in practices like TDD, CI/CD, IaC and Observability.

You should be comfortable with most of our core technologies:

I'm partnered with an early-stage, post-revenue AI startup is building an end-to-end operating system to help businesses detect and resolve complex B2B issues before they become costly or disruptive. The product is already being used by large enterprises across multiple industries, and demand is growing fast - hence this hire! Backed by a top-tier European venture fund, the company is tackling a...

Senior/Lead Software Engineer – Fully Remote (UK) A global B2B SaaS technology business is building out its European engineering hub and is hiring multiple Senior / Lead Software Engineers (JavaScript) to develop and enhance a mission-critical platform used internationally. These are hands-on individual contributor role with strong ownership — ideal for engineers who enjoy building high-quality...

Software Engineer – £65,000–£85,000 + Equity – Remote (UK) - London office if preferred The Opportunity Join a fast-growing, AI-native software company building workflow automation tools used daily by thousands of professionals across people-heavy industries. The platform removes manual, repetitive work through AI, automation and thoughtful product design, helping teams move faster and focus...

You will be working with a high-calibre team of young, talented professionals who share a like-minded mindset, delivering top-tier implementation and technical services to clients.

Job Spec - Backend Engineer About Beacon Beacon is building the AI Supply Chain workspace that customers really want. We're building end-to-end visibility, automated workflows, and effortless collaboration that create material savings and unlock new value for our customers. Backed by leading venture investors we're a team passionate about product and solving the most complex day-to-day...

Job Description Embedded Software Engineer Newcastle upon Tyne £45,000 – £65,000 + Benefits KO2 are proud to be partnering with an innovative client in Newcastle upon Tyne, as they continue to expand their engineering team through 2025. This is an exciting opportunity for an Embedded Software Engineer to work on the development of cutting-edge products across multiple industries. The...

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 Software Engineer to join their growing engineering team. This is an exciting opportunity to work on scalable, resilient systems while contributing to real-world solutions in the financial technology space. Key...