Fullstack C#/JavaScript Engineer

About the Position

Mobilunity is looking for a Fullstack C#/JavaScript Engineer on behalf of our client from France. 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 JavaScript/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
• Upper-intermediate to advanced English proficiency

Nice to Have

• Familiarity with cloud infrastructure (AWS)
• Knowledge of Docker & containerization
• Experience with CI/CD pipelines
• Interest in prompt engineering and integrating LLMs into development processes

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

About the Company

Mobilunity is a company dedicated to providing innovative digital solutions for businesses. We pride ourselves on fostering a collaborative and inclusive work environment where employees can thrive and grow. Our commitment to excellence and continuous learning ensures that our team is always at the forefront of technological advancements.