Senior Software Engineer (Contract)
3-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 3-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 Vue
- Proven 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 maintainability
- Knowledge of API integration and secure development practices (OWASP)
What you'll be doing:
- Delivering end-to-end software solutions in a modern tech stack
- Working closely with product managers, QA, and engineering leadership
- Conducting code reviews and providing mentorship to developers
- Maintaining and enhancing live systems, with a focus on continuous improvement
Desirable (but not essential):
- Experience with TDD or BDD methodologies
- Familiarity with PCI or ISO standards
- Exposure to VoIP technologies
- Knowledge of Python or AI-related development
This role follows a hybrid working model, with occasional travel to London or Ipswich (approximately once per month).
An excellent opportunity to contribute to a high-performing team building robust, secure, and scalable SaaS solutions.
