Frontend Developer: Build Modern UIs with React & Impact

Kassavirtanen Oy; Helsinki; On-site; EUR 42,000 - 60,000; Full time

Benefits offered by this job

Competitive salary

Excellent employee benefits

Modern workspace

Supportive team

Job summary

Kassavirtanen Oy in Helsinki is seeking a Front-End Developer to strengthen our development team. You will build modern, responsive user interfaces and work closely with back-end developers and designers.

The role requires 1–2 years in front-end development, strong React and JavaScript skills, and a commitment to clean, maintainable code. Fluent in Finnish or English and a teamwork mindset are essential to thrive in our Kamppi-based office.

Qualifications

• 1–2 years of front-end development experience
• 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
• Fluent in Finnish or English
• Teamwork skills and a willingness to learn

Responsibilities

• Design and implement modern, responsive user interfaces
• Collaborate with back-end developers and designers
• Build and maintain our own systems and custom web services for clients
• Ensure code quality and adherence to UI/UX best practices

Skills

Frontend development

React

JavaScript

SQL

Tools

React

JavaScript

C# / .NET

SQL

Job description

Kassavirtanen Oy in Helsinki is seeking a Front-End Developer to strengthen our development team. You will build modern, responsive user interfaces and work closely with back-end developers and designers.

The role requires 1–2 years in front-end development, strong React and JavaScript skills, and a commitment to clean, maintainable code. Fluent in Finnish or English and a teamwork mindset are essential to thrive in our Kamppi-based office.