principal .net engineer jobs in Doncaster

Principal Software Engineer .NET £90,000-£100,000 Remote (UK) Are you passionate about writing clean, scalable code and ready to shape a platform used by merchants across the globe? We're working with a fast-growing global payment processing platform that’s scaling rapidly after a major acquisition. They are building a high-performance, merchant-first ecosystem that prioritises quality,...

Senior Software Engineer .Net 📍 Location: UK remote | We are working with a high-growth global fintech, renowned for delivering world-class payments-related software and technology. This company is building the next generation of capabilities that power a merchant-first ecosystem. They believe that focused, empowered teams can achieve great things. You’ll be joining a curious, driven, and...

Software Engineer (.Net) SC Cleared Permanent Location: Fully remote / WFH (UK residency only) Salary: £50,000 - £55,000 (+ on-call £5K + a comprehensive range of Employee Benefits) Essential Skills: C#.Net, MVC, ASP.Net, SC Clearance We are looking to recruit an SC Cleared Software Engineer to a leading technology consultancy. This is a home based role with limited travel for team...

Senior .NET Engineer Are you a talented .NET Developer looking to take on a brand new challenge? Do you want to be part of a newly formed team of software engineers in a growing product-focused company, shaping the direction of their technical solutions from the ground up? My client is seeking a Senior .NET Engineer to join their innovative product team. This is a unique opportunity to work on...

Job Title: Front Office Software Engineer (C# .NET) Employment Type: Full-time Location: Central London (Hybrid - 3 days onsite per week) Compensation Package: Competitive salary, 20-30% bonus, private medical and dental (family coverage included), 10% employer pension contribution, group life insurance, income protection, and additional benefits About the Company A global leader in energy...

Job Title: .Net Software Engineer Location: UK based Remote with monthly site visits Salary: £32,000 - £38,000 (National) and £38,000 - £43,000 (London) per annum + exceptional pension Why Apply? This is a fantastic opportunity for a talented Software Engineer looking to develop their career within a forward-thinking, tech-for-good organisation. Working with modern technologies such as .NET,...

You should have at least a few years of experience building real things.

You should be comfortable with serverless or containerised environments, and ideally you’ve worked with Azure before.

You should be okay with ambiguity, and you should enjoy collaborating with people who care about what they’re building.

You will work closely with a large number of teams, both internal and external, with inner-sourced development our standard way of working. Ownership is one of the core engineering principles in our organisation - we write it and we own it. Engineers are expected to take responsibility for their work from discovery to production, ensuring the ongoing reliability and stability of our systems.

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 take ownership of mission critical infrastructure, lead strategic initiatives, and mentor a team of engineers, acting as a champion for agile delivery automation and consistent Cloud deployment.

You should bring a broad range of experience in modern cloud stacks and a passion for developing new technical skills.

Principal Engineer Location: Manchester (1 day per month) Type: Permanent Salary: Up to £110,000 About the Role We’re working with an AI start-up that’s building innovative products, combining technology, automation, and intelligent systems to simplify complex processes. They’re looking for a Principal Engineer with strong Python skills and experience delivering modern, cloud-based...

Job Title: Product Engineer Location: Remote Salary: £72,000 – £110,000 + stock options I’m working with a fast-growing SaaS scale-up software organisation. They’re looking for a Principal Product Engineer who thrives in a collaborative, product-focused environment. You’ll be part of a cross-functional squad (PM, designer, engineers, data) and involved throughout the product lifecycle – from...

You should enjoy problem solving technical and non-technical issues. - Competency in specification design/drawing for various building types.

You must be confident and feel comfortable conversing on the telephone, via email and face-to-face as well as to be able to write concise reports.

Principal Protection & Control Engineer Location: Remote, UK Wide Salary: up to £95,000 (based on experience) Position: Permanent Turner Lovell are working with a leading UK utility infrastructure contractor to find a Principal Protection & Control Design Engineer who will take a lead role in delivering and overseeing P&C designs for National Grid and other transmission and distribution...

Principal Software Engineer Cloud Engineering Scale-up c£100k North Scout are partnered with a fast-growing cloud engineering business that’s doubled revenues, expanded its technical team, and earned a strong reputation for delivering complex cloud programmes with pace and precision. They’re looking for a Principal Software Engineer to take a leading role across architecture, design and...

Principal Electrical Engineer - Power Electrics Inside IR35 - Acts as Engineering, technical or design authority for a the CTF system design and provide technical authority to system verification - Develops, promotes and shares new technologies for implementation across businesses and provide LfE from the CTF into the SSNA programme to provide real time evidence of real time findings - Provides...

🚨Principal Network Engineer – Global Fintech (Remote, UK) 🚨 Are you a Palo Alto and Juniper expert ready to shape the future of technical operations at a high-growth fintech? We are partnering with a global leader in payments technology to build a modern, secure, and scalable infrastructure from the ground up. This is a rare opportunity to own architecture decisions, drive cloud migration, and...

Principal Software Engineer Location: London - 1x a month Salary: £95,000 - £120,000 + equity + benefits An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next-generation digital solutions. This is an opportunity to shape greenfield projects from the ground up - architecting...

Up to £90,000 Remote, UK & Ireland No Sponsorship Opportunities We’re hiring for our client, a fast-growing global payment processing platform that’s scaling rapidly after a major acquisition. They’re on the lookout for talented .NET Software Engineers to join their journey of building the next generation of API-driven, merchant-first technology. Why join them? They believe empowered teams...

You will work within an enablement team whose mission is to help engineering teams deliver software faster, safer, and more reliably. The role blends technical depth with leadership: we need people who can think strategically, challenge the status quo, and guide the evolution of our on-premises private cloud platform.