Senior C# .Net Core API Engineer with AWS
Join to apply for the Senior C# .Net Core API Engineer with AWS role at Reapit
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 78,000 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. In the United Kingdom and Ireland, Reapit’s market‑leading technology product suite provides estate and lettings agents with powerful tools covering sales, lettings, property management, block management, client accounts and analytics, underpinned by a robust, security infrastructure.
Responsibilities
- ing
Design and develop scalable, high-performance REST APIs and microservices using C# and .NET C
- ore.Implement cloud-native applications leveraging AWS services including Lambda, API Gateway, and S3.Collaborate with Product, DevOps, QA, and Architecture teams to deliver high-quality features within sprint cyc
- les.Work with Aurora MySQL to design schemas, optimise queries, and ensure performance across distributed syst
- ems.Contribute to event-driven architectures using AWS SNS, SQS, and Step Functions for scalable integrati
- ons.Champion testing culture—implementing and maintaining unit and integration tests using xUnit or NU
- nit.Lead by example in CI/CD practices (GitHub Actions, CodePipeline), ensuring reliable, automated deployme
- nts.Mentor junior engineers in coding best practices, secure‑by‑design principles, and system des
- ign.Troubleshoot, monitor, and optimise distributed systems using AWS CloudWatch and Graf
- ana.Proactively identify and resolve technical debt, driving continuous improvement across codeba
Qualifications
- g for
A skilled back‑end engineer with deep expertise in C# and .NET Core, passionate about building robust
- APIs.Strong understanding of microservices architecture and cloud-first software d
- esign.Hands‑on experience with AWS serverless services (Lambda, API Gateway, SQS/SNS, Step Functions
- , S3).Proficiency with relational databases, especially Aurora MySQL, and data modelling best prac
- tices.Knowledge of secure coding principles, authentication/authorisation (OAuth2, JWT), and data prote
- ction.Experience implementing and maintaining CI/CD pipelines and Infrastructure as Code (Terraform, AWS
- CDK).Comfortable containerising applications using Docker and deploying with ECS/Fargate o
- r EKS.Committed to testing excellence—proficient in unit, integration, and contract te
- sting.Excellent communicator and collaborator across multi-disciplinary teams including Product and D
- evOps.A self‑motivated problem solver who mentors others and strives for engineering excel
Success Metrics
What your impact and success look like
We expect your success and impact in the early stages of your career with us to look something li
ke this:
- 1 month:
Familiarise yourself with Reapit’s platform, architecture, and engineering p
- rinciples.Deliver well‑tested, high‑quality, and performant code aligned with spr
- int goals.Engage with your squad’s workflow and begin participating in sprint planning an
- d reviews.Review and align to Reapit’s coding, testing, and CI/CD
- standards.Identify areas in the codebase for improvement or performan
- ce tuning.
- n 3 months:
Take ownership of key microservices or API features within your p
- roduct area.Contribute to architectural discussions and influence best practices in .NET
- development.Mentor junior engineers through code reviews and pair programmi
- ng sessions.Drive automation and reliability improvements within CI/C
- hin 6 months:
Be recognised as a key technical contributor across multiple projec
- ts and squads.Lead on designing and implementing scalable, event‑driven .NET s
- ystems in AWS.Ensure consistent test coverage, reliability, and security across your tea
- m’s codebases.Champion modernisation efforts—optimising services, reducing tech debt, and improving
- observability.Serve as a go‑to technical mentor, supporting team growth and continuous delivery
Benefits
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.We’re offering the chance to really make a difference here at Reapit and the opportunity for personal growth is very real. You’ll feel part
of a special team.
Equal Employment Opportunity Statement
We care about our industry and want it to become a more inclusive and diverse place to work. So, we’re driven by hiring not only by experience and relevance for the role but by sharing our values and the right attitudes and behaviours for success. We are committed to Equal Employment Opportunity through attracting and retaining a complementary team of employees and building an inclusive environment for all. We feel we have an empowering environment where everyone is supported and respected, and we want you to feel this too. We welcome new ideas, thinking and approaches, whilst listening to all our employees.
Seniority level
Employment type
Job function
Industries
- Technology, Information and Internet
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