Senior Software Engineer - C++ / C# / JS

Are you ready to take technical ownership of a globally used product solving complex, real-world challenges?You’ll lead the development and evolution of a geology-focused desktop application, shaping its future architecture and modernization strategy. This is a permanent, full-time role based in Bristol, where you’ll guide technical direction, work closely with product stakeholders, and ensure the platform remains reliable, scalable, and fit for purpose.The Senior / Lead Software Engineer will focus on hands-on development while providing technical leadership across a primarily C++ / C# codebase with a supporting JavaScript layer. You’ll play a key role in architectural decisions, refactoring initiatives and long-term product improvements within a collaborative, high-performing team.Senior / Lead Software Engineer requirements:* Strong programming experience in at least one core language (C++ or C#) and knowledge of JavaScript a bonus, with the ability to work across multi-tier desktop systems

• Proven ability to lead technical projects, own architecture decisions and drive modernization initiatives
• Experience delivering and maintaining production-quality software across the full feature lifecycle
• Comfortable collaborating with product managers and domain specialists to translate requirements into robust solutions
• Excellent problem-solving and communication skills, with a pragmatic, ego-free mindset and openness to AI-assisted development toolsIt’s a varied role where you’ll contribute to platform architecture, performance optimization, visualization components and user-focused enhancements. There is strong scope to expand your leadership impact, influence technical standards and work on globally used engineering software learning new Cloud skills along the way.Apply now for this Senior / Lead Software Engineer - C++ / C# / JS role and take the next step in your software engineering leadership career.