2 senior systems engineer jobs found

Senior C# Engineer - .NET 9/10, AWS Lambda, SQS, SNS - OUTSIDE IR35 £700-£800 per day - Outside IR35 - 100% Remote - 11 month rolling contract Takeaway: Contribute to the architecture and build of a major greenfield B2B SaaS platform as a deeply senior, hands-on C# engineer, with heavy emphasis on deep .NET engineering , high-performance distributed systems , and real-world AWS serverless delivery . You'll also have the opportunity to develop hands-on skills with Claude Code , one of the most advanced AI-assisted development tools in the industry. Role Overview: You'll operate as the technical spearhead for a greenfield product build, reporting to the Director of Engineering. Expect deep Back End engineering, distributed system design, and high-quality serverless delivery, plus the chance to adopt modern AI-assisted development practices as part of your workflow. What You'll Bring: Senior/Staff-level Back End mastery in C# and .NET 9/10 , with the...

Security Architect – DV Cleared – Defence contract role Location: Preston – onsite three days per week, two days per week remote Day rate: £750 - £800 per day Outside IR35 Initial contract: Four months, likely to extend for at least a further 12 months You will only be considered for this contract role if you hold a current DV clearance, this is essential to the nature of the work you will undertaking. NexGen Associates is recruiting for an experienced Senior Security Architect to support a highly sensitive technology programme within a secure environment on a contract basis. The successful contractor will provide security architecture expertise across complex, business-critical systems involving multiple technologies, suppliers and delivery teams. You will help shape the programme’s security direction, ensuring that risks and protection requirements are properly considered throughout the design and implementation process. Due to the sensitive nature of the work,...