Senior Software Engineer (.NET)

Up to £90,000

Remote, UK & Ireland

No Sponsorship Opportunities

We’re hiring for our client, a fast-growing global payment processing platform that’s scaling rapidly after a major acquisition. They’re on the lookout for talented .NET Software Engineers to join their journey of building the next generation of API-driven, merchant-first technology.

Why join them?

They believe empowered teams do their best work when bureaucracy is out of the way. You’ll join a collaborative, outcome-focused environment where curiosity, problem-solving, and growth are at the heart of everything they do.

What you’ll be doing

As a .NET Software Engineer, you’ll design and develop backend services, APIs, and portals that power their payment platforms. You’ll get to work with modern software practices like Behaviour-Driven Development and CI/CD in a highly collaborative environment.

Your responsibilities will include:

• Translating merchant and partner needs into high-quality, innovative solutions.
• Improving development processes through automation, simplification, and best practices.
• Building quality into every stage of the software lifecycle with a strong focus on testable, observable behaviours.
• Collaborating across teams to ensure timely, technically accurate deliverables.
• Supporting deployments from requirements analysis all the way to production release.
• Acting as a role model in the team; professional, collaborative, and adaptable.

What they’re looking for

• 6 to 8 years of experience as a Software Engineer.
• Degree in Computer Science (or related field) or equivalent experience.
• Strong expertise in C# / .NET and solid grounding in Object-Oriented Programming.
• Experience with server-side product development, SQL, and database design.
• Knowledge of web technologies (HTML, CSS, JavaScript).
• Familiarity with design patterns, refactoring, and OO design principles.
• Strong problem-solving and analytical skills.
• Comfortable working in both small and large teams, with the ability to adapt to different situations.
• A proactive mindset and willingness to experiment, backtrack, and validate approaches when needed.

What’s in it for you

• A culture where your voice matters and your ideas are encouraged.
• Exposure to cutting-edge technologies and modern software practices.
• Opportunities to grow your skills and career in a scaling, international environment.

Benefits:

• Remote-first (UK/Ireland)
• 45 days holiday + bank holidays
• Annual bonus, 5% pension match
• Private family healthcare
• Personal L&D budget