Senior Software Engineer
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📍 Chelmsford (2x per month)
💰 £500 - £550 per day
📄 6 Month Contract
At Eurobase, we are continuing to evolve and modernise our core platform as part of an exciting transformation journey. With over 30 years of domain expertise, we are introducing a new API driven architecture alongside our existing Legacy system and are looking for a Senior Software Engineer to play a key role in that evolution.
We are seeking an experienced C# Backend Developer to help design and build a modern family of APIs over an existing SQL based Legacy platform, supporting our move towards a more modular, serviceoriented architecture.
You'll work closely with software engineers, testers, product specialists, and leadership stakeholders in a collaborative agile environment, contributing to both hands-on development and technical direction.
As a Senior Software Engineer, you will:
- Design, develop, and maintain scalable RESTful APIs using C# and .NET
- Build a modern API layer over an existing Legacy SQL Server database
- Define API standards, design patterns, security, auditing, and Back End best practices
- Contribute to architectural decisions and Back End strategy
- Ensure performance, scalability, reliability, and maintainability across Back End services
- Collaborate closely with developers, testers, and business consultants in an agile delivery environment
- Participate in code reviews and champion engineering best practices
- Support the ongoing modernisation of a long-standing enterprise platform
What We're Looking For:
- Strong commercial experience with C# and .NET Back End development
- Proven experience designing and building RESTful APIs
- Strong understanding of API architecture, design patterns, security, and auditing
- Experience modernising Legacy systems
- Strong SQL Server/database experience
Desirable
- Insurance or reinsurance industry experience
- Exposure to Front End technologies such as Angular
- Experience within cloud or hybrid environments
You'll be:
- A proactive and collaborative engineer
- Comfortable taking ownership of technical solutions
- Passionate about clean code and engineering excellence
- Adaptable and pragmatic in a transforming technical environment
- Confident engaging with both technical and non-technical stakeholders