Senior Full-Stack Developer (Javascript, Playwright)

Top 3 reasons to join us

• 13th bonus salary, project bonus
• Health insurance
• Annual leave: 14 days/year + 3 days/year Christmas

Job description

We’re looking for a Senior Full-Stack JavaScript / TypeScript Developer to build and scale the test automation infrastructure for SAMO – our system for managing assets and operations – while leading a small team of junior–mid JavaScript developers and staying hands-on with the code.

Key Responsibilities

Test Automation

• Develop and maintain our internal libraries samo-demo-factory-bot and samo-factory-bot for test data generation and automation.
• Create templates for new features, add new capabilities (user creation, security configuration, codelists, attachments, geometry…), and contribute to end-to-end tests.
• Ensure the test infrastructure is well-structured, maintainable, and scalable.

Full-Stack Web Development

• Design and develop both front-end and back-end architecture for web applications.
• Implement interactive, responsive UIs (HTML/CSS/JS, modern frameworks).
• Build back-end services using Node.js, servers, databases, and APIs.
• Collaborate with UX/UI designers to implement features.
• Meet technical and client requirements and maintain clear documentation.

Leadership

• Set up the project correctly and define best practices.
• Lead and mentor junior–mid developers.
• Review code, make architecture decisions, and stay hands-on with development.

Your skills and experience

• 5+ years’ experience with TypeScript / JavaScript and Node.js.
• Proficiency in HTML, CSS, JavaScript and familiarity with modern JS/TS frameworks.
• Hands-on experience with REST APIs and Playwright (or similar browser automation tools).
• Ideally, experience with CucumberJS/BDD frameworks and test data factories.
• Prior experience leading or mentoring developers.
• Strong problem-solving, organizational, and English communication skills.

Why you'll love working here

• Base Salary: Negotiable
• 13th bonus salary, project bonus
• Merit reviews every year
• Meal allowance
• Annual leave: 14 days/year + 3 days/year Christmas
• Annual health check
• Health insurance
• Other benefits