Senior Full stack Developer - Birmingham - Perm,

Senior Full Stack Developer

Location: Birmingham (Onsite)

Salary: £60,000 - £65,000 DOE

Job Type: Permanent, Full-Time

Senior Developer - Platform Stability, Performance & Engineering Excellence

We're looking for an experienced Senior Developer who enjoys solving complex technical challenges and improving the quality, resilience, and performance of large-scale SaaS platforms.

This is a unique opportunity to play a key role in improving platform reliability, performance, and engineering standards across a growing technology business. Rather than focusing on traditional feature development alone, you'll work closely with engineering teams to identify systemic issues, enhance platform robustness, and drive continuous improvement across the product.

If you enjoy deep technical investigation, performance optimisation, debugging complex issues, and improving software quality, this role could be an excellent fit.

What You'll Be Doing

Investigating and resolving complex production and platform issues.

Identifying root causes of recurring technical problems and implementing long-term solutions.

Improving platform reliability, resilience, and overall product quality.

Performing application profiling, performance tuning, and optimisation.

Enhancing observability, monitoring, alerting, and diagnostic capabilities.

Working with engineering teams to improve development practices and technical standards.

Reducing technical debt and identifying opportunities for platform improvement.

Reviewing existing systems and codebases to improve maintainability and robustness.

Supporting incident investigations and preventative engineering initiatives.

Driving continuous improvement across product performance and operational stability.

Skills & Experience

Essential

Strong commercial experience as a Software Developer, Senior Developer, Software Engineer, or 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#

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