Lead Software Engineer C# .NET

A Lead Software Engineer is needed to join a team of skilled engineers, taking a hands-on technical leadership role in building an award-winning Aviation Navigation System.

This is a technical authority position, focused on improving engineering standards, guiding developers, and strengthening a complex, real-world system.

The role offers

Hands-on leadership across a complex, multi-platform system (Windows, Android, microservices)

Ownership of code quality, standards, and architectural direction

Influence across two Scrum teams in a collaborative environment

Hybrid working aligned to sprint delivery (2 days per 3 week sprint in office)

A role focused on real engineering challenges, not process or management overhead

Security Requirements

You must be a UK national and eligible for SC Clearance (typically 5 years UK residency).

The Role

Working primarily with C# .NET you will lead development standards while remaining hands-on.

You will:

·        Lead and guide development across multiple Scrum teams

·        Drive code quality, reviews, and engineering standards

·        Mentor engineers and support complex problem solving

·        Improve architecture, maintainability, and system performance

·        Collaborate with stakeholders to align technical delivery with product goals

Work includes

3D rendering

Algorithm development

Microservices and APIs

Hardware communication and networking

UI development

The Person

You are a hands-on technical leader who raises standards through influence.

You will:

·        Bring strong technical judgement and ownership of code quality

·        Communicate confidently in technical discussions

·        Apply a pragmatic approach to improving existing systems

·        Mentor others and challenge constructively

·        Balance delivery with long-term engineering quality

Essential Technical Skills

Strong Object-Oriented Programming (ideally C# .NET)

Experience working in complex or legacy systems (e.g. VB.NET)

Proven ability to lead technically and improve standards

Evidence of running sprint reviews and successfully influencing coding practices or peers.

Strong understanding of SOLID principles

Experience with multi-threaded or performance-sensitive systems

Desirable Skills

·        ASP.NET

·        REST APIs

·        TCP/IP

·        DirectX or OpenGL

·        Windows Forms

·        Git / SVN

·        Unit testing and profiling tools

The Company

An established defence technology business delivering complex, high-performance systems within a collaborative engineering environment.

Package: £80-100K + Full Benefits Package inc’ Pension (9%) + Bonus

Alternative Titles: Lead Software Developer, Principal Engineer, Senior Lead Developer

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