.net software engineer jobs in Cheltenham

Senior Software Engineer - .Net, Azure. - Contract Fully Remote | Contract Inside IR35 Only | 6 months with extension £750pd+ | Start ASAP Curated is partnering with a global SaaS scale-up undergoing a significant platform modernisation and growth phase. The business is scaling multiple engineering teams and is looking to bring in highly experienced contract Software Engineers to support...

.NET Developer | 6 Month Contract | Up to £600 per day (Inside IR35) | SC & NPPV3 Clearances Required | Remote MERITUS are excited to be partnered with a growing Technical Consultancy delivering secure, business-critical systems and are looking for an experienced .NET Software Engineer to work with one of their secure public sector clients. This role is well suited to a .NET developer who...

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...

Software Engineer Backend | .NET | Azure | APIs for AI-driven products | 2 days a week in a Irelandoffice | Up to £55k (DOE) We are exclusively supporting a fast-growing SaaS business building modern software used by tens of thousands of customers across the UK and beyond. This is not about building thin wrapper APIs around legacy systems. The focus here is on API infrastructure that powers...

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...

Team: Backend Location: UK Remote Employment Type: Full-time and Permanent Remuneration (UK – Remote): £81–108k Base Salary + Discretionary Bonus + Equity We are a stealth-mode AI laboratory researching and developing Machine Learning models. The founding team consists of Cambridge graduates and former engineers at Google, Meta, Bloomberg, Microsoft and Amazon. We are backed by prominent...

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...

DV Cleared Software Engineer (DBA / Data-Focused) Contract: 12 months Location: Cheltenham (5 days per week onsite, occasional travel to Gloucester) Rate: £500 - £570 per day (Umbrella, Inside IR35) Must hold live UKIC DV clearance About the Role An exciting opportunity has arisen for an experienced Software Engineer with a strong DBA background to support a growing national security programme...

Job Description Senior Software Engineer (Java) | Cheltenham (Hybrid 3 days per week on-site) | Up to £80,000 | SC Clearance required MERITUS ware excited to be supporting a growing Secure Technical Consultancy looking for an SC Cleared Senior Software Engineer to support one of their National Security Clients. The role is largely backend focused, working across a modern cloud-native stack....

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...

Role: Embedded Software Engineer Location: Cheltenham (3-4 days on-site) Duration: 12 months initially Rate: Up to £80/hour Umbrella inside IR35 Key Activities Engineer with experience on the Software Development Lifecycle (DO-178C/SEAL) and in the following: - Preparation of the technical specifications and interfaces for Electrical Power Distribution System, including review and evaluation of...

Job Description Software Engineer | Building Intelligent Systems That Make an Impact Cheltenham 4 or 5 days a week on site Existing DV Clearance is required National Security Sector An exciting opportunity has arisen for a Software Engineer to join a cutting-edge team developing impactful, mission-driven technology. The role offers the chance to contribute to projects such as AI-powered...

Hamiltonian Dynamics is a growing technology company working across Defence and Cyber Security, delivering software solutions that support critical national and enterprise systems. With teams based in Gloucestershire, Manchester, and London, we are entering an exciting new phase of expansion and are looking for Software Engineers to join us. This role offers the opportunity to work on...

Senior Software Engineer - SC Cleared Location: Farnborough (Hybrid/On-site) Salary: Up to £100,000 (dependent on experience) Clearance: Active SC clearance (willing and eligible to go through DV) To Apply: Email An opportunity for a senior software engineer to work alongside security researchers on technically challenging problems with real-world impact. The role involves developing complex...

DV Cleared Software Engineer (DBA / Data-Focused) Learn more about the general tasks related to this opportunity below, as well as required skills.Contract: 12 monthsLocation: Cheltenham (5 days per week onsite, occasional travel to Gloucester)Rate: £500 - £570 per day (Umbrella, Inside IR35)Must hold live UKIC DV clearanceAbout the RoleAn exciting opportunity has arisen for an experienced...

A leading aerospace firm based in Cheltenham is seeking a Senior Software Engineer to design and build critical ground-based software applications. The successful candidate will have strong skills in .NET and C#, as well as experience with SQL databases. This role involves collaborating with cross-functional teams to deliver high-quality, reliable solutions. The firm supports flexible working and...

Job Description Software Engineer - DV Cleared - Onsite As a DV-cleared Software Engineer in Gloucester, you'll develop impactful solutions for government clients, working on Oracle and Ansible technologies. This role offers a collaborative environment with opportunities to mentor, learn new skills, and contribute to vital projects. What You'll Do: - Design, develop, test, and document...

About Euphoric: Euphoric builds AI-first employee benefits administration software for the world’s largest and most prestigious employers. Born out of Peppy Health — a fast-growing, category-defining Series B startup — we spun out in May 2025 to tackle a far bigger opportunity. Global employers spend $3–5 trillion on benefits every year. It’s their second-largest cost after payroll — yet the...

Job Description SummaryDuring a time of consistent and continued growth our GE Aerospace team at our Eastleigh site are future proofing our Defence and Aerospace capability with a new role for a Senior Software Engineer. As the Ground Application Software Engineer you'll design, build, and sustain our cutting edge ground‐based software applications and services that support mission‐critical...

Senior Software Engineer (Java) | Cheltenham (Hybrid 3 days per week on-site) | Up to £80,000 | SC Clearance required MERITUS ware excited to be supporting a growing Secure Technical Consultancy looking for an SC Cleared Senior Software Engineer to support one of their National Security Clients. The role is largely backend focused, working across a modern cloud-native stack. You’ll be building...