.NET Developer - AWS | SQL SERVER | Angular

Contract length: 12 months
Rate: Up to £300/day (Inside IR35)
Location: London (Hybrid - 2 days per week onsite)
Industry: Financial Services/Capital Markets

We're looking for an experienced Senior Software Engineer/Technical Lead to join a high-performing engineering team on a 12-month contract. You'll help design, build, and scale high-performance, data-intensive systems in a fast-paced enterprise environment.

This role suits someone who is hands-on, technically strong and passionate about engineering excellence.

What you'll do

• Lead and contribute to software design and architecture for large-scale applications

• Build clean, efficient, and scalable code across the full development life cycle

• Develop and maintain RESTful APIs and microservices using C# .NET

• Drive engineering best practices, including CI/CD, automation, code reviews, and performance tuning

• Ensure high quality and reliability through unit, integration, and BDD testing

• Collaborate closely with business and engineering stakeholders to deliver impactful solutions

• Mentor junior engineers and promote a culture of continuous improvement and technical excellence

• Continuously optimise systems for performance, scalability, and security in production

What we're looking for

• 8+ years of experience as a Software Engineer in an enterprise environment

• Strong expertise in C# .NET, including REST APIs and microservices

• Solid experience with SQL Server, including database design, tSQL, and performance tuning

• Front End development experience with Angular, JavaScript, HTML/CSS

• Strong knowledge of AWS cloud services (EC2, EKS, Lambda, SQS, SNS, Glue, etc.)

• Experience with CI/CD pipelines, automation and modern DevOps practices

• Hands-on experience with unit testing and BDD frameworks (eg MSTest, tSQLt, Cucumber, Mocha)

• Strong analytical and problem-solving skills

• Experience working in Agile environments