Wavenet is a managed services provider offering cybersecurity, communications, and connectivity that grows with our customers’ businesses – no matter what the future holds.
Since 2000, we’ve been keeping businesses connected.
At Wavenet, we don’t just provide solutions for today but for tomorrow, too. We’re always thinking ahead of the technology curve, so our customers feel confident that when they work with us, we’re striving to make their business future-proof.
Customer success is our success. We go the extra mile in providing superior service quality and unparalleled customer experience, becoming an extension of your business, and always delivering on our promise to make their business brilliant.
Job DescriptionWavenet is looking for a Backend Developer with proven experience building robust, data-driven applications in C#/.NET that integrate tightly with Microsoft SQL Server and external APIs.
You’ll be part of a well-established engineering team that has been delivering trusted technology to schools for decades. Our systems handle large-scale data synchronisation and automation across multiple platforms. The core stack is .NET and SQL Server, with some emerging components written in Python as we evolve selected services.
What You’ll Be Doing
Design, build, and maintain .NET backend applications and APIs that synchronise data across systems.
Develop and consume RESTful APIs, managing authentication, data mapping, and transformation.
Implement and optimise data access using Dapper, Entity Framework, and direct SQL where appropriate.
Design efficient SQL Server schemas, queries, and stored procedures.
Build and maintain message-driven workflows using RabbitMQ.
Refactor legacy components into modular, maintainable services.
Troubleshoot and resolve issues across application and data layers.
Document key system integrations, database models, and API contracts.
Strong commercial experience with C#/.NET backend development.
Deep knowledge of SQL Server and relational database design.
Proven experience building and integrating APIs (internal and third-party).
Hands-on experience with Dapper, Entity Framework, and T-SQL.
Familiarity with message queues such as RabbitMQ.
Strong analytical and debugging skills.
Clear communication and disciplined documentation habits.
Bonus Skills
Exposure to Python (e.g. FastAPI, Flask) or willingness to learn.
Experience with GitLab CI/CD pipelines.
Understanding of OAuth2/OpenID Connect and secure integration design.
Experience building or maintaining data-sync or ETL processes at scale.
At Wavenet, we provide more than just a job; we create an exceptional environment with a broad range of benefits to support your success from day one. With us, you’ll receive a competitive starting annual leave allowance, private medical coverage, discounted health plans, an eye care scheme, and extensive health and wellbeing programs, all supported by our dedicated Wellbeing Team.
We prioritise a healthy work-life balance, rewarding your commitment with an additional day of annual leave each year, up to a maximum of 28 days.
Here’s a closer look at what we offer:
Office-Based Working: A collaborative approach with team support, requiring you to work in one of our offices. This role emphasises in-person teamwork and engagement at Wavenet.
Annual Leave: Start your journey with 25 days of leave, increasing by one day each year up to 28 days—our way of expressing appreciation for your dedication.
Health & Wellbeing: Your wellbeing is our priority. Benefit from private medical coverage, discounted health plans, virtual GP access, an eye care scheme, and a comprehensive employee assistance program, all facilitated by our Wellbeing Team.
Wavenet Academy: We are excited to announce the launch of Wavenet Academy, our new user-friendly Learning Management System (LMS). This platform is designed to enhance learning, training, and personal development initiatives across our organisation.
Join us at Wavenet, where your growth and wellbeing are at the heart of what we do!
Ready to join the UK’s largest managed service provider?
