6 Months | Outside IR35 | Up to £475/day | Hybrid (London / Ipswich)
We're working with a fast-growing SaaS business looking for a Senior Software Developer to join their agile team on an initial 6-month contract. This is a hands-on role with real influence across architecture, engineering standards, and product delivery.
You'll be building and enhancing scalable, cloud-based applications while mentoring others and driving best practices across the team.
Key skills:
Strong C# / .NET (Framework & Core)
TypeScript, HTML, CSS + React or Vue
Solid AWS experience (serverless/Lambda ideal)
CI/CD pipelines & Infrastructure as Code (Terraform/CDK)
Strong focus on clean architecture, SOLID principles & code quality
API integrations & secure coding (OWASP)The role:
Full lifecycle development in a modern tech environment
Collaborating with product, QA, and engineering leads
Code reviews, mentorship, and technical leadership
Supporting live systems & continuous improvementNice to have: TDD/BDD, PCI/ISO knowledge, VoIP, Python/AI exposure
Hybrid working with occasional travel to London or Ipswich (roughly once per month).
Great opportunity to join a high-performing team delivering secure, scalable SaaS products
Salary description
£425.00 - £475.00 per day