Senior Software Engineer - .NET, React

Senior/Technical Lead – Cloud & Full-Stack

£70,000 | Hybrid (1–2 days per week in Birmingham)

A specialist engineering and software company at the forefront of rail innovation is hiring a Technical Lead to guide architecture, standards and best practice across a growing product team.

This is a hands-on leadership role where you’ll shape technical direction, mentor engineers, and ensure scalable, maintainable software across a modern cloud stack.

The company develops advanced simulation and analytics software used globally to improve rail safety, efficiency and infrastructure planning — saving the industry millions each year and supporting safer passenger and freight transport.

The Role

You’ll act as the bridge between product, delivery and engineering — translating requirements into clear, scalable technical solutions while keeping technical debt under control.

This role blends:

• Architecture & system design

• Hands-on coding

• Mentoring & technical leadership

• Estimation & technical governance

• Cross-team collaboration

Key Responsibilities

• Lead architecture across Node, React and .NET

• Design scalable SQL/NoSQL data solutions

• Own CI/CD standards and engineering quality

• Reduce technical debt and improve maintainability

• Translate product requirements into technical plans

• Support agile planning, estimation and refinement

• Mentor developers and raise coding standards

• Ensure solutions are secure, testable and observable

• Document architecture and share knowledge

Tech Stack

Backend: Node.js, TypeScript, C# (.NET)

Frontend: React, TypeScript

Data: SQL, MongoDB / NoSQL

Cloud: Azure (App Services, Batch)

DevOps: Azure DevOps (pipelines, repos, boards)

What They’re Looking For

• 5+ years full-stack development

• 2+ years in a senior/lead role

• Experience mentoring engineers

• Strong understanding of scalable cloud architecture

• Experience with distributed systems, security and resilience

• Comfortable being hands-on in the code

Benefits

• Private medical insurance

• Life insurance

• 5% matched pension

• Enhanced parental leave

• Performance bonus

• Flexible working (core hours 9–3)

• Hybrid working

• Training & mentoring from senior leadership

• Regular company and team events

• Clear progression opportunities