Senior Software Developer

Senior Software Engineer (Contract)6-Month Engagement Outside IR35 Up to 475 per day Hybrid (London / Ipswich)A rapidly expanding SaaS company is seeking an experienced Senior Software Engineer to support their agile delivery team on an initial 6-month contract. This position offers a strong mix of hands-on development and strategic input, with the opportunity to shape system architecture, influence engineering practices, and contribute directly to product evolution.You''ll play a key role in designing, building, and improving scalable cloud-native applications, while also guiding team members and promoting high standards across the development lifecycle.Core expertise required:Advanced experience with C# and .NET (Framework and Core)Frontend development using TypeScript, HTML, CSS, and either React or VueProven track record with AWS, ideally including serverless architectures (e.g., Lambda)Experience with CI/CD pipelines and Infrastructure as Code (Terraform or CDK)Strong grounding in clean architecture, SOLID principles, and code maintainabilityKnowledge of API integration and secure development practices (OWASP)What you''ll be doing:Delivering end-to-end software solutions in a modern tech stackWorking closely with product managers, QA, and engineering leadershipConducting code reviews and providing mentorship to developersMaintaining and enhancing live systems, with a focus on continuous improvementDesirable (but not essential):Experience with TDD or BDD ..... full job details .....