Who are Valcon:
Valcon is a north-western European consulting, technology and data company based in the UK, the Netherlands, Denmark, Sweden, and even Croatia.
Valcon is private equity backed and in recent years has bought together some of the most exiting companies from these companies to form one of the brightest and most exciting consultancies around.
We’re one of the fastest growing companies across Europe and have no plans to stop.
What do we do:
Our mission is to combine premium consulting with deep technology and data knowledge to add value to our clients.
Overview of Technology Practice:
We’re at the forefront of empowering the future of work, helping organisations of all sizes achieve their goals. For large enterprises, we eliminate manual labour through automation and intelligent tools, boosting knowledge worker productivity. Across the board, we build high-quality, performant and user-friendly solutions that leverage the latest technologies to deliver exceptional results for both scale-ups and large companies.
Our Technology Practice has 5 capabilities:
IT Architecture
Cloud Engineering
Software Engineering
Intelligent Process Automation
Quality Management
We’re hiring: Mid-Level Software Engineers (C# / .NET) | Join Valcon’s Growing Tech Team
Another exciting project win means we're looking to expand our engineering team, and this is your chance to join a consultancy that’s scaling fast and solving real-world challenges with smart, modern tech.
At Valcon, we don’t just deliver, we build. And we’re now on the lookout for Mid-Level Software Engineers who are hands-on, collaborative, and passionate about writing clean, modern C# code.
What you’ll be working with:
We’re looking for developers with solid core engineering skills and a strong background in modern C# and .NET development, including:
Core C# & .NET Skills
Hands-on experience with C# (latest versions preferred)
Deep knowledge of .NET Core / .NET 6/7/8 for building scalable APIs
Strong grasp of OOP principles and design patterns
API Development
Building and maintaining RESTful APIs
Solid understanding of HTTP protocols, status codes, headers, etc.
API documentation using tools like Swagger/OpenAPI
Legacy Systems
Exposure to or experience with WCF services — we still support some older systems, so comfort working with a mix of modern and legacy tech is key
Data Handling
JSON serialization/deserialization
DTOs and model binding
Security
API authentication and authorization best practices
Knowledge of OAuth2, JWT, OpenID Connect
Secure coding practices for exposed endpoints
Integration & Communication
Consuming third-party APIs (REST/SOAP)
Async/await, tasks, and non-blocking design
Database Integration
Hands-on with Entity Framework Core or similar ORM
Confident writing SQL and working with SQL Server
Testing & Quality
Writing robust unit and integration tests
Familiar with xUnit, NUnit, Moq, etc.
DevOps & Cloud Awareness (Nice to have)
Knowledge of Azure DevOps pipelines, CI/CD workflows
Deployment experience on Azure, AWS Lambda, or container platforms
Why join Valcon?
You’ll work on impactful consulting projects across industries
You'll be surrounded by smart, supportive people who value clean code and collaboration
You’ll have space to grow, technically, professionally, and personally