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- Tasks: Develop and maintain backend .NET applications and microservices while optimising SQL queries.
- Company: Wavenet is a leading managed services provider focused on cybersecurity and connectivity since 2000.
- Benefits: Enjoy hybrid working, generous annual leave, private medical coverage, and comprehensive wellbeing programmes.
- Why this job: Join a dynamic team solving complex data problems in a fast-paced, innovative environment.
- Qualifications: Experience in backend development with .NET and strong SQL skills are essential.
- Other info: Flexible work model with opportunities for personal and professional growth.
The predicted salary is between 28800 - 43200 £ per year.
Software Developer (Backend .NET Developer)Wavenet – Sevenoaks, England, United Kingdom
Company DescriptionWavenet is a managed services provider specialising in cybersecurity, communications, and connectivity solutions that evolve alongside our customers\’ businesses. Since 2000, we have delivered trusted technology and future‐ready services, focusing on exceptional service quality and customer experience.
Job DescriptionWe are 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.
What You\’ll Be Doing
Design, build, and maintain .NET backend applications and APIs that synchronize 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.
Qualifications
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.
Benefits
Office‐Based Working – collaborative team environment in our Sevenoaks office.
Annual Leave – 25 days, increasing by one day per year up to 28 days.
Health & Wellbeing – private medical coverage, discounted health plans, virtual GP access, eye care scheme, and employee assistance programme.
Wavenet Academy – a user‐friendly Learning Management System for training and personal development.
Next StepsReady to join the UK\’s largest managed service provider? Apply today or contact our friendly Talent Acquisition Team at Natilla.Turner@wavenet.co.uk for more information.
We are committed to building a diverse and inclusive workforce. We welcome applicants from all backgrounds and experiences.
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Software Developer (Backend .NET Developer) employer: Wavenet
Contact Detail:
Wavenet Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Software Developer (Backend .NET Developer)
✨Tip Number 1
Familiarise yourself with Wavenet's services and values. Understanding their focus on customer success and future-proof solutions will help you align your answers during interviews, showcasing how your skills can contribute to their mission.
✨Tip Number 2
Brush up on your SQL skills, especially complex queries and database logic. Since the role requires strong proficiency in SQL, being able to discuss specific examples of how you've optimised or debugged SQL queries will set you apart.
✨Tip Number 3
Prepare to discuss your experience with both modern and legacy technologies. Wavenet values adaptability, so be ready to share instances where you've successfully worked with different tech stacks or improved existing systems.
✨Tip Number 4
Showcase your problem-solving skills by preparing examples of how you've tackled backend issues in previous roles. Highlighting your ability to troubleshoot and resolve data-related problems will demonstrate your fit for this fast-paced environment.
We think you need these skills to ace Software Developer (Backend .NET Developer)
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with backend development, particularly with Microsoft .NET and SQL. Use specific examples of projects you've worked on that demonstrate your skills in these areas.
Craft a Compelling Cover Letter: In your cover letter, express your passion for backend development and how your skills align with Wavenet's needs. Mention any experience you have with modern and legacy technologies, as well as your ability to adapt quickly in fast-paced environments.
Showcase Relevant Projects: If you have worked on relevant projects, either professionally or personally, include them in your application. Highlight your role, the technologies used, and the impact of your contributions, especially in optimising SQL queries or developing microservices.
Proofread Your Application: Before submitting, carefully proofread your CV and cover letter for any spelling or grammatical errors. A polished application reflects attention to detail, which is crucial for a role that involves debugging and resolving data issues.
How to prepare for a job interview at Wavenet
✨Showcase Your .NET Expertise
Make sure to highlight your experience with Microsoft .NET, both Framework and Core. Be prepared to discuss specific projects where you've built backend applications or microservices, as this will demonstrate your hands-on skills.
✨Demonstrate SQL Proficiency
Since strong SQL skills are crucial for this role, be ready to talk about complex queries you've optimised or any database logic you've managed. You might even want to prepare a few examples of how you've resolved data-related issues in the past.
✨Emphasise Adaptability
Wavenet operates in a fast-paced environment, so it's important to convey your ability to adapt quickly to changing priorities. Share experiences where you've successfully shifted focus between short-term and long-term projects.
✨Prepare for Technical Questions
Expect technical questions related to backend development, debugging, and data integrity. Brush up on common challenges faced in backend development and think through how you would approach troubleshooting various issues.
