Senior Software Developer

Senior Software Developer (Contract)
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 improvement

Nice 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.