Fullstack C# / JavaScript Engineer

On behalf of our Client from France, Mobilunity is looking for a Full Stack C# Engineer.
Our client is a table management software and CRM that enables restaurant owners to welcome their customers easily. The app is useful to manage booking requests and register new bookings. You can view all your bookings, day after day, wherever you are and optimize your restaurant’s occupation rate. Our client offers a commission-free booking solution that guarantees freedom above all. New technologies thus become the restaurateurs best allies for saving time and gaining customers while ensuring a direct relationship with them.
Their goal is to become the #1 growth platform for Restaurants. They believe that restaurants have become lifestyle brands, and with forward-thinking digital products, restauranteurs will create the same perfect experience online as they already do offline, resulting in a more valuable, loyalty-led business.
Responsibilities:
Developing and maintaining web-based applications across the full stack using C#/.NET and JavaScript/TypeScript
Building responsive, user-friendly frontend interfaces
Designing and optimizing back-end systems and databases
Investigating, diagnosing, and resolving application-related issues across frontend and backend
Collaborating with the team to deliver new features to clients on a regular basis
Requirements:
4+ years of experience in software development
Strong knowledge of C# and .NET 8/9
Solid experience with TypeScript and at least one modern frontend framework (React, Angular, or Vue)
Proficiency with HTML and CSS
Strong SQL knowledge and experience with PostgreSQL
Familiarity with Entity Framework (EF Core)
Knowledge of REST APIs
Active use of AI-assisted coding tools (e.g., Claude Code) as part of daily development workflow
Experience using version control systems (Git)
Strong problem-solving skills
Ability to communicate clearly and effectively with internal teams
Closed to advanced English proficiency
Will be a plus:
Familiarity with cloud infrastructure (AWS)
Knowledge of Docker & containerization
Experience with CI/CD pipelines
Interest in prompt engineering and integrating LLMs into development processes
In return we offer:
The friendliest community of like-minded IT-people
Open knowledge-sharing environment – exclusive access to a rich pool of colleagues willing to share their endless insights into the broadest variety of modern technologies
Mobilunity Medical Insurance program designed to attend our teams’ needs
Paid vacations and sick leaves, including 5 paid days per year that don’t require a sick note
Perfect office location in the city-center (900m from Lukyanivska metro station with a green and spacious neighborhood) or remote mode engagement: you can choose a convenient one for you, with a possibility to fit together both
No open-spaces setup – separate rooms for every team’s comfort and multiple lounge and gaming zones
English classes in 1-to-1 & group modes with elements of gamification
Neverending fun: sports events, tournaments, music band, multiple affinity groups
Come on board, and let’s grow together!