Principal Software Engineer - Belfast

MCS Group | Your Specialist Recruitment Consultancy; Belfast City District; Hybrid; GBP 70.000 - 100.000; Vollzeit

Benefits dieser Stelle

Private medical insurance

Pension and life assurance

22 days' annual leave + 11 publichols

Option to purchase additional annual_

Hybrid working in Belfast

Zusammenfassung

MCS Group is partnering with a Belfast-based tech business to hire a Principal Software Engineer focused on Python and AI. This hands-on role shapes the technical direction while remaining deeply involved in code and architecture.

You will work in a high-quality engineering environment, employing TDD, pair programming, and modern practices to deliver scalable software. Hybrid work is offered with a Belfast office presence.

Qualifikationen

• Strong background in Python and hands-on software engineering.
• Experience with TDD, pair programming and modern development practices.
• Ability to influence technical direction without people management.
• Experience using AI coding tools is a plus.

Aufgaben

• Own complex technical challenges and shape solution approaches.
• Collaborate with senior engineers on architecture and technical direction.
• Stay hands-on with Python and develop scalable software.
• Leverage AI-powered development tools to balance speed and quality.
• Share knowledge and mentor other engineers.
• Influence engineering practices from testing to releases.

Kenntnisse

Python

AI tooling

Test-Driven Development

Pair programming

Software architecture

Modern development practices

Tools

AI coding tools

Jobbeschreibung

Principal Software Engineer | Python & AI | Belfast

Love solving complex technical challenges? Want to have a real influence on how engineering is done, without stepping away from the code?

I'm working with a really exciting technology company in Belfast that is continuing to invest in its engineering team as it develops and scales its software platform.

They're now looking for a Principal Software Engineer who can bring strong technical expertise, fresh ideas and a passion for building great software.

This isn't a role where you'll spend your days sitting in meetings or managing people. It's an opportunity to remain hands‑on while helping shape the bigger technical picture.

What makes this opportunity interesting?

You'll be joining a talented engineering team where your ideas and technical decisions will genuinely matter.

You'll have the opportunity to:

• Take ownership of complex technical challenges and help shape how solutions are built.

• Work closely with senior engineering leaders on architecture, technical direction and future improvements.

• Stay hands‑on with Python, developing high‑quality, scalable software.

• Help the team get the most out of AI‑powered development tools, balancing speed with engineering quality.

• Share your knowledge, challenge existing approaches and support other engineers in their development.

• Influence engineering practices, from testing and code quality through to how software is released and maintained.

What am I looking for?

I'm keen to speak with experienced engineers who have a strong background in Python and enjoy working in environments where engineering quality really matters.

You'll ideally bring experience with Test‑Driven Development (TDD), pair programming, software architecture and modern development practices.

Just as importantly, you'll be someone who enjoys solving problems, isn't afraid to challenge ideas and can bring other engineers along with you.

Experience using AI coding tools would be particularly interesting, especially if you've been exploring how they can improve development without compromising quality.

What's on offer?

• Competitive salary

• Private medical insurance

• Pension and life assurance

• 22 days' annual leave plus 11 public holidays

• Option to purchase additional annual leave

• Hybrid working - 3 days per week in the Belfast office

This could be a brilliant move for a Senior or Principal Engineer who wants more technical ownership, the chance to influence engineering decisions and the opportunity to work on some genuinely interesting software challenges.