Senior Backend Engineer: Tech Lead Path (Hybrid, Finland)

Tenth Revolution Group; Helsinki; Hybrid; EUR 70,000 - 110,000; Full time

Job summary

Tenth Revolution Group in Finland is seeking a Senior Backend Developer to join our Tech Lead pathway. You will stay hands-on while gradually taking ownership of architectural decisions and mentoring junior developers.

Design scalable backend systems, contribute to architecture discussions, build APIs, and work with product teams to translate requirements into robust solutions. You will also explore AI-assisted development tools and modern engineering practices as part of our growth.

Qualifications

• Solid backend experience with Node.js and TypeScript.
• Strong understanding of software architecture.
• Experience with PostgreSQL or relational databases.
• Familiar with cloud deployment and modern practices.
• Experience with automated testing and CI/CD.
• Excellent communication and collaboration.

Responsibilities

• Design and develop scalable backend solutions using modern technologies.
• Contribute to architecture discussions and technical decision‑making.
• Build and maintain APIs, integrations, and business‑critical services.
• Optimise application performance and database efficiency.
• Participate in system modernisation and technical improvement initiatives.
• Support code quality through reviews, testing, and best practices.
• Mentor junior developers and share technical knowledge within the team.
• Work closely with stakeholders to translate business requirements into technical solutions.
• Explore and adopt AI-assisted development tools and modern engineering practices.

Skills

Node.js

TypeScript

Software Architecture

PostgreSQL

Cloud

CI/CD

Testing

Communication

Tools

AWS

Docker

React

Next.js

Job description

Tenth Revolution Group in Finland is seeking a Senior Backend Developer to join our Tech Lead pathway. You will stay hands-on while gradually taking ownership of architectural decisions and mentoring junior developers.

Design scalable backend systems, contribute to architecture discussions, build APIs, and work with product teams to translate requirements into robust solutions. You will also explore AI-assisted development tools and modern engineering practices as part of our growth.