Mid-Senior .NET Back-End Developer

Modus Group

Mid-Senior .NET Back-End Developer building back-end services for sustainable mobility projects at CityBee. Collaborating in a dynamic environment to innovate mobility solutions across Europe.

Posted 5/11/2026full-timeVilnius • 🇱🇹 LithuaniaSenior💰 €3,636 - €6,611 per monthWebsite

Tech Stack

Tools & technologies

.NETSQL

About the role

Key responsibilities & impact

Delivering a first-class Web applications experience
Developing back-end services and integration modules for various business and consumer needs
Collaborating closely with a cross-functional team (Product Owners, UX designers, QA, and developers) to build product features that drive the core business models of CityBee
Writing high-quality, maintainable code, testing it, participating in code reviews, and shipping it
Ensuring proper technical design and thorough documentation
Working effectively in a dynamic, fast-paced environment where processes evolve, and creative problem-solving is encouraged.

Requirements

What you’ll need

Solid experience in developing back-end applications
Strong skills in .NET and C# programming
A desire to learn new concepts, tools, and technologies
Fluency in Lithuanian
A positive, team-first attitude
Truly think outside the box, find innovative methods and solutions because working smart > working hard
Experience developing real-world customer facing systems.
**Required tech stack:**
- .NET C#;
- SQL Server;
- REST API;
- Unit testing;
- Git;
- Continuous delivery/integration.

Benefits

Comp & perks

Health and Safety Perks: Enjoy benefits like private health insurance and personal accident coverage
Little Perks, Big Smiles: We have some little extras for you, including a new, dog-friendly office space, snacks in the kitchen, free parking for your convenience, and fun regular events to look forward to
Flexibility at Your Fingertips: Work from home or our modern office, offering flexibility to optimize productivity and well-being
Freedom to Flourish: Here, we encourage thinking outside the box, taking ownership, and getting things done.

ATS Keywords

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Hard Skills & Tools

.NETC#SQL ServerREST APIUnit testingGitContinuous deliveryContinuous integrationBack-end developmentWeb applications

Soft Skills

Team-first attitudeCreative problem-solvingCollaborationAdaptabilityCommunication