At MHR, our employees are central to our success and play a key role in helping customers achieve sustainable high performance. With a team of over 900 professionals, we work to make things flow smoothly, whether it's for large organisations or individual employees. As businesses face rapid changes in the world of work, our team is here to help them adapt and thrive.
By focusing on the core needs of efficiency, productivity, growth, and impact, our employees use their expertise to deliver real solutions through our People and Finance platform. This system, which covers finance, HR, payroll, and learning, helps businesses run more smoothly and make better decisions in real time.
With over 40 years of experience behind us, MHR’s track record as a high-performance organisation is built on clear goals, a shared vision, and strong communication - all of which we pass on to our customers.
With us, you’ll grow, find your flow, and make a lasting difference in your career, your team, and your impact.
Join MHR as a Principal Software Engineer, leading complex engineering challenges that shape our products and technical direction.
In this role, you will operate across the organisation—defining strategy, influencing architecture, and guiding delivery within a modern SaaS environment. Drawing on experience with Microsoft technologies such as .NET and Azure, you’ll apply modern programming practices including cloud-native design, distributed systems, and test-driven development.
You will also champion AI-assisted development to improve engineering efficiency, quality, and innovation. This is a high-impact position combining hands‑on expertise with technical leadership and mentoring.
Your Team
You’ll work across cross‑functional Agile teams, partnering closely with engineers, architects, and stakeholders.
Through influence rather than authority, you’ll help align teams and foster a collaborative, inclusive culture focused on continuous improvement.
Your Impact
This role will see you defining and executing technical strategy, shaping scalable, resilient architecture aligned with business goals.
You’ll drive engineering excellence through best practice, embedding test‑driven development and using AI‑assisted tooling to enhance delivery. Working across teams, you’ll help align priorities, mitigate risks, and ensure consistent, high‑quality outcomes, while mentoring engineers to strengthen capability.
As a trusted technical leader, you’ll balance long‑term vision with delivery outcomes.
What you’ll bring to the role and MHR
* Strong experience with Microsoft technologies (.NET, Azure) and modern engineering practices
* Expertise in scalable architecture and cloud‑native systems
* Proven ability to deliver technical strategy and complex initiatives
* Advocate of TDD, continuous improvement, and AI‑assisted engineering
* Strong collaboration and stakeholder communication skills
* Experience mentoring engineers and raising technical standards
Benefits to support you personally and professionally
Alongside the opportunity to work with an incredible team and express your individuality, we offer a range of personalised benefits including:
* Access to over 60 internal training courses, professional qualifications, and cross‑departmental mentoring and coaching programs
* 24/7 access to a GP through Help at Hand for you and your family, confidential mental health support, and paid sick leave
* Ability to purchase or sell additional holiday days beyond 25 days and bank holidays
* Enhanced Family leave
* My MHRewards offering discounts at over 900 retailers
* Monthly employee recognition program and departmental awards
* Referral bonus scheme of up to £2,000
* Employee‑led social events such as running clubs, football teams, book clubs, and bake‑offs
* On‑site subsidised restaurants offering a variety of fresh meals daily
* Opt‑in benefits schemes such as private medical insurance and dental coverage
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