Join to apply for the Principal Software Engineer (.Net) role at MHR
Location: Nottingham, England, United Kingdom
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.
MHR is more than just a place to work; it’s a platform for empowerment. Joining us means bringing innovation, technology, and teamwork seamlessly to remove obstacles, enhance your skills, and allow you to focus on what’s most important to you – work that matters.
With us, you’ll grow, find your flow, and make a lasting difference in your career, your team, and your impact.
Your Career
Are you ready to shape the future of technology and be at the forefront of innovation? Join our dynamic team as a Principal Software Engineer, where you’ll design, develop, and maintain scalable software solutions in a collaborative and creative environment. This is your chance to work with cutting‑edge technology, grow your skills, and drive impactful innovation.
Your Team
You’ll be joining the App Platform team who are committed to delivering quality, scalable, and maintainable software. Acting as the bridge between architecture and production teams, you’ll foster a culture of cooperation, learning, and continual improvement. By identifying challenges and implementing solutions, you’ll help your team thrive in an agile environment, where everyone contributes to achieving our ambitious product roadmaps.
Your Impact
We’re looking for a Principal Software Engineer who thrives on making systems faster, more scalable, and more reliable. In this role you will provide high quality and effective product development, drive technical change, review the existing code base and ensure that everyone is following the same technical direction.
Technology Stack
* C#, .NET 8 (or 6/7), ASP.NET Core
* Microsoft Azure (Functions, AKS, App Service, API Management, Service Bus, Event Grid, Storage, Cosmos DB, Azure SQL)
* Azure DevOps, Git, CI/CD, Docker, Kubernetes, Terraform, Bicep
* Microservices, event‑driven architecture, DDD
What You'll Bring To The Role And MHR
* Deep backend expertise in C#/.NET and distributed systems.
* Proven track record improving performance at scale (profiling tools, load testing, tuning).
* Experience redesigning complex systems and cloud‑native architectures.
* Hands‑on Azure design and production operations.
* Pragmatic leadership: able to coach, influence, and align cross‑functional teams.
* A data‑informed approach: define and move SLIs/SLOs; automate measurement.
Benefits To Support You Personally And Professionally
* 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
We value the well‑being, financial stability, and inclusivity of our employees, and strive to provide a supportive working environment.
At MHR, we’re completely committed to creating a supportive and inclusive workplace where all voices are heard, and everyone feels valued and supported.
Whatever your background, abilities and experiences, if you’re excited by this role we want to hear from you. If you require assistance for an interview, please let us know and we’ll make sure your needs are met when you arrive.
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