Senior Software Developer

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 Type Script, 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