Senior Developer

  • Sivara GmbH
  • Birmingham, Staffordshire
  • 21/06/2026
Full time Information Technology Telecommunications

Job Description

Salary: £50,000 - 80,000 per year

Requirements:
  • Strong commercial experience as a Software Developer, Senior Developer, Software Engineer, or in a similar role.
  • Excellent debugging, troubleshooting, and analytical problem solving skills.
  • Experience working within complex production environments.
  • Strong understanding of software architecture, performance bottlenecks, and system behaviour.
  • Hands on development experience with C#, JavaScript, Angular, and SQL.
  • Ability to investigate issues across multiple layers of a technology stack.
  • Experience identifying and resolving root cause issues rather than applying temporary fixes.
  • Comfortable working independently and taking ownership of technical challenges.
  • Strong communication skills and the ability to collaborate effectively across engineering teams.
  • Desirable: experience working on SaaS platforms or cloud based applications.
  • Desirable: exposure to observability and monitoring tools.
  • Desirable: experience with performance profiling and optimisation techniques.
  • Desirable: knowledge of scalability, resilience, and reliability engineering principles.
  • Desirable: familiarity with CI/CD pipelines and modern software delivery practices.
  • Desirable: experience mentoring developers and contributing to engineering best practices.
Responsibilities:
  • Investigate and resolve complex production and platform issues.
  • Identify root causes of recurring technical problems and implement long term solutions.
  • Improve platform reliability, resilience, and overall product quality.
  • Perform application profiling, performance tuning, and optimisation.
  • Enhance observability, monitoring, alerting, and diagnostic capabilities.
  • Work with engineering teams to improve development practices and technical standards.
  • Reduce technical debt and identify opportunities for platform improvement.
  • Review existing systems and codebases to improve maintainability and robustness.
  • Support incident investigations and preventative engineering initiatives.
  • Drive continuous improvement across product performance and operational stability.
Technologies:
  • Angular
  • C#
  • CI/CD
  • Cloud
  • Support
  • JavaScript
  • SQL
More:

We are hiring a Senior C# Developer for a full time, onsite role based in Birmingham. This is a permanent opportunity offering a salary of £50,000 to £80,000 depending on experience. You will join a growing technology business where we focus on platform stability, performance, and engineering excellence across a complex SaaS platform. We offer a high level of autonomy and ownership, long term career progression, and the chance to influence engineering quality, platform performance, and product reliability. Sponsorship is not available for this position.