Kassavirtanen Oy

Junior Front-end Developer

  • Location Helsinki
  • Posted 09.04.2026, 16:12
  • Closes 26.04.2026, 23:59
  • 26.04.2026, 23:59

Junior Front-end Developer

We are looking for a Front-End Developer to strengthen our development team!

**_Who we are_**

Kassavirtanen Oy is a growing invoicing service company that designs and develops its own systems, websites, and digital services for businesses. We operate from a modern office in the heart of Helsinkis Kamppi district, where teamwork and open communication are at the core of everything we do.

We focus on high-quality code, long-term development, and understanding our clients’ businesses. You will have the opportunity to work on meaningful projects that matter to us and our clients.

**_Your role with us In_**

We are now looking for a **Front-End Developer** who is passionate about creating user interfaces and has a good eye for functional user experiences.

You will work as part of our development team, where we design and implement our own systems as well as custom web services for our clients. In collaboration with back-end developers and designers, you will build modern, responsive user interfaces for various environments.

**_Technologies we use:_**

**React** for building modern user interfaces and components

**JavaScript** strong knowledge of both the fundamentals and advanced features

**C# / .NET** for back-end development

**SQL** handling databases and integrations

**_What we expect from you:_**

Previous experience in front-end development (at least 1-2 years)

Strong understanding of React and JavaScript

Ability to write clean, maintainable code

Experience working with SQL databases

Understanding of responsive design and good user experience principles

Teamwork skills and a willingness to learn

Fluent in Finnish or English

**_What we offer you:_**

Interesting projects with the opportunity to influence their implementation

A supportive work environment and colleagues who will help you grow

A modern workspace in a cozy office in the heart of Kamppi

A competitive salary and excellent employee benefits

**Interested?**

Apply for the position as soon as possible by sending your application, CV, and salary expectations to an email kani@kassavirtanen.fi. You are also welcome to send us an open application, as we are always looking for great people!

Employment relationship:Employment
Wage:Other According to the contract
Working time:Weekdays
Number of positions:1
Notes for applying:Email: kani@kassavirtanen.fi
Source: Job Market Finland/Työmarkkinatori

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