Senior Developer

William Alexander
London
Senior Developer - C# .Net Core / DevSecOps


Stellarmann are looking for a Senior Developer to deliver projects for their Investment Management client.


This engagement requires a Senior Developer to work 50% of the time on development & 50% on Design / Architecture to deliver initiatives / greenfield development.


  • Senior developer with strong design / architecture experience and flexible in their approach and pragmatic depending on requirements and approach
  • C# / .Net Core – Version 6-9 for greenfield development
  • APIs – Rest / SOAP
  • OO JavaScript - needed / React – nice to have
  • Clean and maintainable code / shared libraries / SOLID principles / TDD
  • Agile / Scrum / Kanban
  • Azure / Azure DevOps / Azure SQL
  • Azure platform, build pipelines / security scanning
  • Event-driven architecture - Event Bus, Azure Service Bus - nice to have
  • IaC / Terraform
  • Knows security - culture of building secure software applications, remediates vulnerabilities as an ongoing concern
  • DevSecOps Pipeline Enhancements - Lead improvements to CI/CD pipelines with a focus on security, automation, and deployment efficiency.
  • Python version 3.8 - nice to have
  • Java – some exposure would be beneficial
  • Excellent communication skills and ability to present if needed.
  • Background in the investment management industry / Asset classes etc – ideally

Competitive Daily rate - Outside IR35, requiring hybrid working in the London office 2/3 days a week - If this opportunity aligns with your experience and goals, we encourage you to apply today!


The processing and use by us of your personal data is in accordance with our Privacy Notice which can be found on our website. Our Diversity & Inclusion Policy actively promotes the principles of equality, diversity and inclusion in all dealings with employees, job applicants, clients, suppliers, and the public. We believe an inclusive work culture where people of different backgrounds are valued equally will ensure better outcomes for all, and we approach recruitment for our clients with the same perspective.
Posted 2025-06-06

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