asp .net developer jobs in Southampton

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 will join a cross-functional product engineering team working on the evolution and modernisation of a core SaaS platform. The focus is on building scalable, cloud-native services while improving reliability, performance, and long-term maintainability.

.NET Developer – Southampton (Tech stack: .NET Developer, .NET 9, C#, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) We have several fantastic new roles for .NET Developer to join an ambitious Fintech start-up. This is your chance to work with the sharpest minds in private wealth...

Business Development Manager - UK Market Entry High-Value Capital Equipment | Aesthetic Medical Technology We are supporting the UK launch of a next-generation aesthetic medical technology platform operating at the intersection of Imaging, software, and AI. Our client is looking for the UK's top performing capital aesthetic reps to join this incredible journey of growth and differentiation from...

Job Description We're looking for an experienced Senior Software Developer to join an excellent client's team in Basingstoke. The successful candidate will be responsible for helping to design and deliver secure, scalable software solutions across the full stack. You'll play a hands-on role in coding while providing technical leadership, mentoring junior developers, and collaborating closely...

🚀 About Webigence and Spark Travel Webigence has 25 years of experience crafting UX‑first, often highly complex software. Our engineers pair forward‑thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is anything but. Alongside a handful of long‑standing third‑party clients, we’re scaling our own SaaS...

Biodiversity Net Gain Consultant – ERM Location: Hybrid – suitable for any of our 16 UK offices. Overview ERM, the world's largest pure‐play sustainability consultancy, is hiring an experienced Senior Ecologist with a robust background in Biodiversity Net Gain (BNG) assessments within the UK. This role is primarily desk‐based and involves supporting our wider UK team in delivering BNG...

This is the kind of role where your work matters. As a Full Stack Developer, you’ll be helping to build a greenfield enterprise platform powering real-world IoT and telemetry systems used across critical utility environments. It’s hands-on, technically challenging, and built to scale, not legacy maintenance or minor tweaks. What’s in it for you Opportunity to build a brand-new enterprise...

You will be building new systems, using C#, . Net, Azure Functions, Restful APIs, CI/CD pipelines, React, SQL.

You should be someone that follows best practice and standards such as SOLID, KISS, DRY. This is a Mid to senior level role, and you will need to mentor junior developers.

Are you looking for an opportunity to develop your systems administration skills in a role that will support your growth and help fulfil your ambition? Then we have just the opportunity for you! As our new Systems Engineer, youll play a key part in making sure our systems continue to work as they should. That means regression testing tools, checking the data flowing in and out, reviewing...

Building Biodiversity Better Step out of the ordinary and shape the future of ecology. At Ecology by Design, we're redefining what it means to be an ecological consultant - blending scientific rigour with creativity, innovation, and a genuine commitment to restoring nature. Here, your expertise isn't boxed in by bureaucracy or lost in endless process. It drives real-world change. If you're a...

Job Description Job Title: Software Development Engineer Salary: Up to £75k Job Type: Full Time, Permanent Location: Fareham, Hampshire (Hybrid working available) About the Opportunity: A UK-based technology organisation in Fareham is seeking a Software Development Engineer to support the development of software used within government, defence and law-enforcement environments. This role...

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 responsible for building and executing a new business sales strategy, selling Microsoft Data & AI consulting services into enterprise and mid-market customers across FSI, Retail, Private Sector and MSP-led accounts. Key Responsibilities - Own and drive net-new logo acquisition across Data, Analytics, AI and Modern Data Platform services

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.

Want to take your sales career to the next level? Look no further than memoryBlue, the fastest-growing sales development company in B2B tech. Who are we? Since 2002, memoryBlue has been a top sales development consulting firm that specializes in helping B2B high-tech companies like - Cloudera, Couchbase, Splunk, Symantec, McAfee, Box - grow revenue by providing top-tier SDR talent, proven...

D365 Architect | Contract | Fully remote (UK-wide) We are seeking a highly experienced and versatile Dynamics 365 CE Solution Architect to lead the design and implementation of an enterprise-level CRM transformation. This is a unique "hybrid" architect role; while you will be the technical lead for architectural decisions and stakeholder management, you must be a hands-on practitioner willing to...

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...

Account Executive - Public Sector Hunter / Net New business role Location: UK - fully remote Salary: £80-100k + Double OTE PGS are delighted to have been retained by a leading global ECM solutions provder for the hiring of an Account Executive specifically focussing on the Public Sector in the UK. The role is fully remote with travel to clients and is a complete hunter / Net new logo...

Excellent opportunity for an experienced Account Manager to join a high quality claims management business, responsible for a number of reputable clients. GHG Solutions Limited is an UK claims and risk management company with offices in Southampton, Halifax and Enniskillen, Northern Ireland, providing high quality solutions to claim situations. Trading for over 30 years and now private equity...