Staff .Net Backend Engineer

Reapit is the original end-to-end business technology provider for estate agencies of all sizes. We’ve been helping sales and lettings agents build relationships and grow their businesses for more than 25 years. Our technology empowers property professionals across Europe, the Middle East, Australia, and New Zealand to work with buyers, sellers, tenants, and landlords to deliver a dream home experience. Worldwide, over 100,000 agents across more than 15,000 branches use Reapit to run their businesses, manage properties, collect rent, engage clients, and provide outstanding customer service every time.

What you’ll be doing:

• Reporting to the Director of Engineering, you’ll operate as a highly senior, technically hands-on backend engineer, embedded into a squad and owning delivery of substantive, cloud-native services end-to-end.
• Ad-hoc client interaction, supporting requirements discovery and technical solutioning where needed.
• Architecting, building and shipping complex, high-performance distributed services in C# and .NET Core 8/9 – primarily serverless on AWS Lambda.
• Designing data models and persistence patterns across Aurora RDS MySQL and DynamoDB.
• Building resilient, event-driven systems with SQS and related AWS messaging primitives.
• Owning each feature’s solution end-to-end – partnering with Business Analysts who capture high-level problems and workflows.
• Leveraging Claude Code and advanced agentic workflows at pace.
• Designing clean, well-versioned, well-documented APIs that other engineers enjoy consuming.
• Inputting into architecture and technical direction in collaboration with Principal Engineers.
• Championing a high-quality engineering culture.
• Mentoring and up-levelling engineers around you through pairing, PR review, architectural guidance and practical coaching on AI-assisted development.

Who we’re looking for:

• A proven senior-to-staff-level backend engineer with deep, current expertise in C# and .NET Core 8/9.
• Authority in AWS serverless architecture.
• Deep data expertise across Aurora RDS MySQL and DynamoDB.
• Proven track record designing event-driven systems with SQS.
• Strong API design sensibility.
• A strong product brain.
• Strong communication skills and comfortable with ad-hoc client interaction.
• A proven track record with Claude Code and advanced agentic workflows.
• Rigorous engineering standards.
• Technical leadership without the title.
• A pragmatic, outcome-oriented mindset.

Nice to have: hands-on experience with OpenSearch and/or AWS AppSync.

What your impact and success looks like:

• Within 1 month: Fully onboarded onto the Reapit stack and shipped first production endpoints and/or services.
• Within 3 months: Owning end-to-end delivery of substantive services.

What’s in it for you?

We operate a Flexible Working Policy and there is no expectation around in-person attendance, beyond occasional ad-hoc project meetings in our Solihull or London offices. You can expect an industry competitive day rate, available on request.

We care about our industry and want it to become a more inclusive and diverse place to work. We are committed to Equal Employment Opportunity through attracting and retaining a complementary team of employees and building an inclusive environment for all.