Mid-level .NET Developer

The role

We're looking for an experienced Mid-Level .NET Developer to join our development team. You'll design and implement robust backend solutions, contribute to architectural decisions, and help deliver high-quality applications to our clients.

What you'll do

  • Develop and maintain applications using C# and .NET frameworks
  • Design and implement database structures and efficient queries
  • Build RESTful APIs and integrate with frontend applications
  • Participate in code reviews and contribute to technical discussions
  • Collaborate with team members to solve complex problems
  • Help mentor junior developers and share knowledge across the team
  • Implement best practices for performance, security, and scalability

What we're looking for

  • 3+ years of professional experience with .NET development
  • Strong knowledge of C# and .NET Core/.NET 7
  • Experience with RESTful API design and implementation
  • Understanding of SQL and database design principles
  • Familiarity with source control systems (Git)
  • Good problem-solving skills and attention to detail
  • Strong communication abilities and teamwork mindset

Bonus skills

  • Experience with cloud services (Azure, AWS)
  • Knowledge of frontend technologies (JavaScript, Vue.js)
  • Understanding of DevOps practices and CI/CD pipelines
  • Experience with microservices architecture
  • Familiarity with containerization (Docker)

About us

At Rocksoft, we're a passionate team of 35 working on innovative projects from our modern office in Ustroń, Poland. We maintain a lean structure that encourages creativity and growth while delivering high-quality solutions to our international clients.

Our values

Our vision

How we work

What can Rocksoft do for You?

Personal development

It’s important for us to our employees develop. We only hire passionate people who are serious about their self-development.

International projects

We have clients from different countries and cultures, which makes our daily work much more interesing and enriching.

You choose your preferred form of employment

We offer B2B cooperation, employment contract or mandate contract - you decide.

Flexible working time

Excluding meetings that you set up with your coworkers, you can work whenever you want.

Latest technologies

We are passionate about technology and we know that using best technologies gives our clients edge and value.

Equipment adapted to your needs

Professional equipment and tools make it easier and more fun to do great work.

Quarterly events

We love it when we meet our collegues physically at stress-free quarterly events.

Financing of trainings

Although we believe development is everybody’s own responsibility, we gladly cover costs of trainings, courses or conferences.

No corporate structures

Our organisational structure is lean and flat. We are very proud of not being a big corporation.

Modern office

Our office is located in a small and beautiful city named Ustroń. We have enough well-equipped desks and parking spots for everyone.

Work remotely

Remote work is not a problem if you are able to provide high quality work.

You create the product

It’s crucial for all of us to know that our work is imporant and useful. We work hard on creating prodcut tram where everyone involved can contribute.

Location

  • Ustroń, Poland (on-site position)

How to apply

Send your CV and a brief note about why you're interested in mobile app development to contact@rocksoft.pl