Principal Software Engineer (Java)
- £80000 - £90000 per annum
- Belfast
- Permanent
MCS Group is thrilled to be partnering with a fast-growing, forward-thinking tech company that's building a globally-used product utilised across multiple industry sectors. With significant investment secured and major scaling plans already underway for 2025, they're looking for a Principal Java Developer to play a pivotal role in the evolution of their core software platform.
As their Principal Java Engineer, you'll join a small yet collaborative, high-performing software engineering team and take ownership of a critical product area. You'll be at the forefront of architecture and development while mentoring the next generation of software talent and less experienced software engineers -all under the guidance (and support) of a visionary Head of Engineering and CTO.
If you're looking for a role where you can lead, innovate, and make a real impact, this could be the move for you.
Why You Should Apply:
Be part of a compact, agile team that punches well above its weight
Lead in a fast-paced environment where your ideas and impact will be visible
Shape best practices and push cloud-native solutions forward
Enjoy fast-tracked career progression in a well-funded business which is scaling
What You'll Be Doing:
Architect and build complex, scalable applications using modern Java and AWS services
Set and uphold engineering standards across the team
Collaborate closely with product and hardware teams to deliver secure, high-performance systems
Mentor and support junior engineers, fostering a culture of continuous learning
Stay at the cutting edge-bring new ideas, tools, and methods into the team
What We're Looking For:
Deep experience with Java (latest versions), Spring Boot, and microservices
Strong hands-on knowledge of event driven systems
- Experience of working in scaling tech companies and/or product-focused tech start-ups will be highly advantageous
Natural leadership skills with a passion for mentoring and team development
A problem-solver with a drive for clean, modern software engineering
What's in it for You:
Salary up to £90,000
Bonus scheme (10%)
Share options
Flexible hybrid working (2 days in office per week)
Huge opportunity for growth and progression
To speak in absolute confidence about this opportunity, please send an up-to-date CV via the link provided or contact Chris Busby, Associate Director - IT Recruitment UK & Ireland, at MCS Group
Even if this position is not right for you, we may have others that are. Please visit MCS Group to view a wide selection of our current and exclusive roles www.mcsgroup.jobs
All conversations will be treated in the strictest of confidence.

