.NET Developer (Learn Power Platform)

Mercury; Coleshill CP; Hybrid; GBP 50,000 - 75,000; Full time

Benefits offered by this job

Learning & development

Microsoft certifications

PHI

Health cash plan

Critical illness cover

Electric car scheme

25 days holiday

Birthday day off

Free parking

Additional holiday entitlement

Job summary

Mercury in Coleshill, UK, is seeking a skilled .NET/C# Developer with an interest in expanding into Microsoft Power Platform. You will work across pro-code development and Power Platform, within an Agile team, delivering components across the Mercury technology stack.

You'll develop RESTful APIs, Dynamics solutions, and backend services, collaborate with QAs and Product Owners, and contribute to CI/CD pipelines, tests, and quality standards. The role offers flexible hybrid work in Coleshill.

Qualifications

• Commercial software development experience using .NET and C#.
• Experience building or consuming RESTful web services and APIs.
• Understanding of SOLID principles and clean coding practices.
• Experience with source control and modern development practices.
• Exposure to CI/CD pipelines and modern software delivery practices.
• Experience with unit testing (MSTest or NUnit).
• Experience working in an Agile/Scrum team.
• Ability to translate requirements into technical solutions.
• Strong analytical and problem-solving skills.
• Attention to detail and quality standards.

Responsibilities

• Work across .NET/C# development and Microsoft Power Platform.
• Contribute to Mercury product suite within an Agile team.
• Develop and enhance solutions across Power Platform and .NET/C#.
• Build/Improve Dynamics solutions, web resources, and backend APIs.
• Work with Power Platform tech including Power Automate.
• Create and enhance RESTful web services and APIs.
• Collaborate with Developers, QAs and Product Owners.
• Participate in requirements, solution design, backlog refinement and sprint planning.
• Conduct code reviews and promote code quality.
• Operate within CI/CD pipelines.
• Develop understanding of Mercury product suite and propose improvements.

Skills

C# development

REST APIs

Agile/Scrum

Unit testing MSTest

CI/CD pipelines

Source control

Power Platform development

Azure

Tools

Dynamics 365 development

Azure tooling

Job description

At Mercury, we're redefining how recruitment and staffing firms use technology. Our cloud-based SaaS platform - a staffing-specific ATS and CRM built natively on Microsoft Dynamics 365 and the Power Platform - helps firms automate, scale, and perform at their best. Unlike legacy tools that bolt on integrations and AI after the fact, Mercury gives staffing leaders a single, governed system of record with enterprise-grade security, automation, analytics, and AI built in from the ground up.

Founded in 2014, we've grown rapidly into a global organisation with teams across the UK, US, and Australia. Our development team builds and maintains Mercury's Core product - a Power Platform model-driven application supported by a suite of web services and Azure resources.

What you’ll do

• This is a varied development role where you'll work across both .NET development and Microsoft Power Platform, contributing to different parts of the Mercury technology stack.
• As part of a multidisciplinary Agile team of Developers, Quality Analysts and Product Owners, you'll contribute to the ongoing development and maintenance of the Mercury product suite. Depending on your existing experience, we'll support you in developing your skills across both pro-code development and Power Platform.
• You'll be involved in:
• Developing and enhancing solutions across both Microsoft Power Platform and .NET/C#.
• Building and improving our Dynamics solutions, web resources and backend APIs.
• Working with Microsoft Power Platform technologies, including Power Automate and model-driven applications.
• Creating and enhancing RESTful web services and APIs.
• Working with Microsoft Azure and the wider Microsoft technology stack.
• Collaborating closely with Developers, QAs and Product Owners to deliver high-quality software increments.
• Contributing to requirements, solution design, backlog refinement and sprint planning.
• Conducting code reviews and helping maintain high standards around code quality and engineering practices.
• Working within an environment supported by Continuous Integration and Continuous Deployment pipelines.
• Building a strong understanding of the wider Mercury product suite and contributing ideas on how we continue to improve it.

What we're looking for

We're primarily looking for an experienced .NET/C# Developer with a strong software engineering foundation who is interested in broadening their skillset and learning Microsoft Power Platform development.

You don't need previous Power Platform experience to join us. What matters most is that you're confident working with .NET and C#, enjoy building quality software and are interested in developing your capabilities across a broader Microsoft technology stack.

We'd also be interested in speaking to experienced Power Platform Developers who already have some hands-on experience with .NET/C# and want to strengthen their pro-code development skills. You don't need to be an expert in .NET, but you will need some practical exposure rather than be completely new to it.

Whichever route you come from, you'll be interested in developing across both areas and becoming a more rounded Developer who can contribute across the full Mercury technology stack.

We're looking for someone with:

• Commercial software development experience using .NET and C# – either as your core development background or through hands-on development experience alongside Power Platform.
• Experience building or consuming RESTful web services and APIs.
• An understanding of software design patterns, SOLID principles and clean coding practices.
• Experience working with source control and modern software development practices.
• Exposure to CI/CD pipelines and modern software delivery practices.
• Experience with unit testing, using technologies such as MSTest or NUnit.
• Experience working within an Agile/Scrum development team.
• The ability to translate requirements, user stories and specifications into effective technical solutions.
• Strong analytical and problem-solving skills.
• Great attention to detail and a genuine focus on quality and standards.

You don't need to tick every box below, but we'd be particularly interested if you have experience with:

• Microsoft Power Platform, including Power Automate, Canvas Apps or model-driven applications.
• Microsoft Dynamics 365 development or customisation.
• Developing Dynamics plugins or custom workflow activities.
• Microsoft Azure or other cloud technologies.
• UX and designing software with the end-user experience in mind.

Just as importantly, you'll be curious, comfortable learning new technologies and interested in developing beyond your current specialism.

If you're a .NET Developer who wants to add Power Platform development to your skillset, we'd particularly like to hear from you.

And if you're an experienced Power Platform Developer with some existing .NET/C# experience who wants to develop further into pro-code, we'd be happy to hear from you too.

Why Mercury

At Mercury, we pride ourselves on fostering a vibrant company culture that strikes the perfect balance between professionalism and a modern, enjoyable work atmosphere. Our commitment to employee well-being and growth sets us apart. Here’s what you can expect when you join our team:

Healthy Work-Life Balance: Hard work is essential, but we understand that it doesn’t mean endless hours. Unsociable work schedules are not the norm here. We believe in productivity and not burnout.

Agile and Empowered: Our commitment to Agile and Scrum methodologies empowers our developers. From top management down, everyone understands the importance of efficient processes and collaboration.

Flexible Environment: We embrace flexible working arrangements.

Open Communication: Transparency is key. We encourage open dialogue, active listening, and constructive feedback. Your voice matters.

Gratitude and Autonomy: We appreciate hard work and celebrate achievements. You’ll have the autonomy to make an impact and contribute meaningfully to our success.

Accessible Leadership: Our leadership team is approachable and supportive. You’ll find guidance and mentorship readily available.

Equality and Inclusion: We champion diversity and equality. Everyone deserves respect, fairness, and equal opportunities.

Investment in Growth: We provide training and career growth opportunities. Don’t just take our word for it, our team members’ testimonials speak volumes.

What we offer

• Great learning and development plan
• Microsoft certifications paid for and supported by Mercury
• Permanent Health Insurance (PHI)
• Health Cash Plan
• Critical Illness Cover
• Electric Car Vehicle Scheme
• 25 days holiday per year
• 1 full extra day “free holiday” on your Birthday
• Free parking
• Increased holiday entitlement based on length of service

Location

At Mercury, we believe in the power of face-to-face collaboration. That's why we encourage our team members to join us at our Coleshill office 2 days per week (Mon and Tue). However, we're all about flexibility, so we support remote work the remaining days if that's your preference.