Senior Full Stack Developer

Salary: £60,000 - 80,000 per year

Requirements:

• Strong commercial experience as a Software Developer, Senior Developer, Software Engineer, or 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.
• Experience working on SaaS platforms or cloud-based applications.
• Exposure to observability and monitoring tools.
• Experience with performance profiling and optimisation techniques.
• Knowledge of scalability, resilience, and reliability engineering principles.
• Familiarity with CI/CD pipelines and modern software delivery practices.
• 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
• Fullstack

More:

We are a growing technology business based in Birmingham, offering a full-time onsite permanent opportunity for a Senior Full Stack Developer to work on a complex SaaS platform. We offer a salary of £50,000 to £80,000 depending on experience, along with 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.

last updated 37 week of 2026