Full Stack Engineer

Job Title / Corporate Title: C# .NET Full Stack Developer

Contract: £750 - £950 / day (Inside IR35)

Location: London (Hybrid)

You'll be joining a major financial services organisation to design, build, and support Full Stack C# .NET applications used across core regulatory and reporting systems.

Your mission - develop, integrate, and enhance enterprise-grade software that underpins finance and regulatory reporting processes. You'll work across the stack using C#, .NET, SQL Server, and Oracle, collaborating with DevOps and cloud teams to deliver high-performance, resilient solutions in a highly regulated environment.

This is a hands-on development role for someone who knows how to turn business requirements into robust, scalable applications - and can code, design, and integrate at a high technical standard.

What you'll be doing:

  • Develop and maintain .NET applications (both Windows and web-based).
  • Build and optimise SQL Server and Oracle database components (PL/SQL & T-SQL).
  • Support integration and automation initiatives across financial systems.
  • Apply best practices in design, testing, and DevOps CI/CD pipelines.
  • Work closely with business and technical teams to ensure accurate, compliant delivery.
  • Participate in code reviews and continuous improvement initiatives.

What you'll need:

  • Proven C# and .NET development expertise (Framework & .NET Core).
  • Strong understanding of object-oriented programming, design principles, and best practices.
  • Solid experience with SQL Server and Oracle databases.
  • Experience in financial or regulatory reporting systems within banking.
  • Familiarity with DevOps, CI/CD, and automation tools.
  • Strong communication skills and ability to work with technical and non-technical teams.

Nice to have:

  • Cloud computing experience (Azure, AWS, or GCP).
  • Knowledge of AQR Reporting (ECB).
  • Exposure to Agile delivery environments.
  • Understanding of enterprise architecture standards.

Apply now or email for a faster review.

Company
Harrington Starr
Location
South East, United Kingdom
Hybrid / WFH Options
Employment Type
Permanent
Salary
GBP Annual
Posted
Company
Harrington Starr
Location
South East, United Kingdom
Hybrid / WFH Options
Employment Type
Permanent
Salary
GBP Annual
Posted