Principal Software Engineer

TPXImpact Holdings Plc Careers; Greater London; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading technology firm in Greater London is seeking a Principal Software Engineer to shape the technical direction of high-profile projects. You will lead the design and development of scalable software solutions while mentoring engineers and managing a team. We're looking for someone with strong technical expertise and a collaborative approach. The role offers the opportunity to influence our technology strategy and work on impactful projects.

Qualifications

• Experience in leading software development projects.
• Strong technical background in software engineering.
• Ability to mentor and manage engineering teams.

Responsibilities

• Lead the design and development of advanced software solutions.
• Set the technical direction for projects.

Job description

About The Role

Deadline for applications : 11 : 59pm on 31st October 2025

Were looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software.

We use technology to create impactful, human-centred solutions that make a difference to users and organisations. We believe great engineering happens when teams collaborate, learn, and build with purpose.

Youll provide hands‑on technical leadership, working closely with senior stakeholders, mentoring engineers across multiple teams, and line managing a small group of engineers while helping shape our approach to software delivery, architecture, and engineering culture.

Responsibilities

• Lead the design and development of advanced software solutions, ensuring high standards of quality, security and scalability.
• Set the technical direction for projects and influence the wider technology strategy.

Provide line management for a group of engineers …