Senior Full Stack Engineer (Finnish Language)
Summary
A senior full stack developer role in Helsinki (hybrid, 3 days onsite) leading end-to-end design and delivery of scalable web applications for identification services, customer feedback, media bank, and store marketing. Covers front-end, back-end, APIs, and databases, plus mentoring juniors; Finnish language is required.
Mode: Hybrid - 3 days onsite and 2 days remote
Role: We are seeking an experienced Senior Full Stack Developer to lead the design, development, and delivery of scalable, high-quality web applications involved in identification service, customer feedback, media bank, store marketing etc. This role requires strong technical expertise across front-end and back-end technologies, architectural thinking, and the ability to mentor junior developers while collaborating with cross-functional teams.
Key Responsibilities:
- Lead end-to-end development of complex web applications
- Architect scalable, secure, and high-performance solutions
- Develop modern, responsive front-end interfaces
- Design and implement robust back-end services and APIs
- Own database design, performance tuning, and data integrity
- Review code, enforce best practices, and mentor team members
- Collaborate with Product, UX, DevOps, and QA teams
- Drive technical decisions and participate in solution design discussions
- Ensure high standards of security, reliability, and maintainability