Skip to main content
Back to all jobs

Junior .NET Developer

Cluj-Napoca
Full-time
Permanent employee

Your mission

We are looking for a Junior .NET Developer to join our Backend Engineering team.
You will work with experienced engineers, contribute to real products, and learn how to build reliable backend services.

What you will do
  • Develop backend services using C# and .NET.
  • Build and maintain APIs.
  • Write clean and tested code.
  • Fix bugs and investigate technical issues.
  • Participate in code reviews.
  • Work with cloud services and containers.
  • Learn from senior engineers.
Our tech stack

C# and .NET, REST APIs and GraphQL, PostgreSQL, RabbitMQ, Redis, Docker, AWS and GCP, GitHub, Datadog.
You do not need experience with everything on this list.

Your profile

What we are looking for
  • Basic knowledge of C# and .NET.
  • Basic understanding of APIs, databases, and Git.
  • Interest in backend development.
  • Willingness to learn and receive feedback.
  • Good communication skills.
  • Comfortable working in English.
  • Personal projects, internships, or open-source contributions are welcome.

Nice to have
  • Experience building an API with ASP.NET Core.
  • Basic knowledge of Docker or cloud platforms.
  • Experience with automated testing.
  • Interest in AI-assisted software development.

What we offer

  • Benefits

    • Medical insurance: Your health, and your family's, is our top priority. You're fully covered.
    • Holiday flat in Valencia: Dreaming of sunny days in Spain? Our company flat is ready for your next getaway.
    • Gifts for special occasions: We love celebrating you. Expect thoughtful surprises on Easter, Women's Day, Father's Day, and more.
    • Anniversary gifts: Your 1st, 5th, and 10th work anniversaries are milestones worth celebrating, and we mark each of them with a special gift.
    • Team-building events: We value connection beyond work, offering engaging team experiences in great locations to inspire collaboration and fun.
    • End of year celebrations: We wrap up each year with a special celebration, filled with joy, laughter, and unforgettable moments.
    • Day off on your birthday: Your special day is yours to enjoy, no work required.
    • Community and social initiatives: We bring people together through activities like Bring Your Kids to the Office Day, donation drives, tree planting, sporting events, decorating the Christmas tree with your colleagues, celebrating new office openings, Principal33's anniversary, and more.
    • Access to Udemy: Growth matters, so you get unlimited access to thousands of courses. Develop your skills anytime, anywhere.
    • German language courses: Dedicated courses to help you build your German skills, supporting both personal and professional growth.
    • Personal and professional growth: We support your development through masterclasses with experienced trainers, and we're open to investing in courses and training that help you grow.

About us

At principal33, we are driven by innovation, collaboration, and a commitment to excellence. Our mission is to deliver impactful solutions that empower our clients and inspire our teams. We are dedicated to cultivating a work environment that attracts top talent, drives innovation, and values diverse perspectives. Join us and become part of an organization that prioritizes growth, creativity, and meaningful impact every day.