Full Stack Developer; C#, ASP.NET

Hay Festival web and software provider - Weblingo - are looking for a Full Stack Developer

Location:
Bristol-based company, but fully remote.

Full-Time.

Salary dependent on experience.

Immediate start possible.

Please send CV and accompanying email saying how your skills fit the role to:

Applications will be accepted until February 20, 2026
. Early applications are encouraged, as we reserve the right to close the posting ahead of schedule once a suitable candidate is appointed.

We are seeking a highly-skilled Full Stack Developer with strong expertise in C#, ASP.NET, and SQL to join our small development team. The ideal candidate has extensive experience building scalable, secure, and high-performing web applications, along with solid knowledge of software design principles such as abstraction and dependency injection. Experience with Enterprise Architect for modelling and documentation and Power BI for data visualisation is also highly desirable.

• Build robust backend services, APIs, and business logic with best-practice architecture and coding standards.
• Develop and optimize SQL databases, stored procedures, functions, and queries for performance and scalability.
• Apply dependency injection, abstraction, and other object-oriented design principles to ensure clean, maintainable code.
• Use Enterprise Architect to create system models, architecture diagrams, and technical documentation.
• Integrate and utilise Power BI dashboards and reports for application analytics and business insights.
• Collaborate with the team to deliver high-quality software.
• Conduct code reviews, troubleshoot issues, and perform debugging to ensure system reliability.
• Ensure application security, performance, and compliance with industry standards.

• Degree in Computer Science, Software Engineering, or related field or equivalent experience.
• 3–5+ years of hands-on development experience with C#, ASP.NET MVC or ASP.NET Core.
• Strong knowledge of SQL Server, database design, and query optimization.
• Proven experience with dependency injection, abstraction, and SOLID design principles.
• Proficiency using Enterprise Architect (EA) for UML modelling and architecture documentation.
• Experience with RESTful APIs, authentication, and application security.
• Familiarity with Git and CI/CD pipelines.

• Experience with cloud platforms (Azure, AWS, or similar).
• Experience integrating or developing Power BI dashboards and reports.
• Understanding of Dev Ops and automation tools.

• Strong analytical and problem-solving abilities.
• Excellent communication and teamwork skills.

• Opportunity to work on impactful, enterprise-level projects.
• Working with interesting global client base.