Tech Lead: Java & Kotlin Engineer (Hybrid)

Tenth Revolution Group; Województwo mazowieckie; Hybrid; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Influence direction

Leadership growth

Hands-on ownership

Hybrid work in Poland

Job summary

Tenth Revolution Group in Poland is seeking a Senior Java & Kotlin Engineer / Tech Lead who merges hands-on development with strong technical leadership. You will mentor engineers, shape system designs and drive architectural decisions to deliver scalable software.

The role is hybrid, requiring 2–3 days per week in our Warsaw or Kraków offices. You will collaborate across teams, promote engineering best practices, review designs, and stay active in coding while guiding delivery.

Qualifications

• Strong commercial experience with Java and Kotlin.
• Solid knowledge of design principles, architecture, testing and best practices.
• Experience mentoring engineers and guiding technical decisions.
• Collaborative mindset and ability to influence others.
• Willingness to grow as a technical leader while remaining hands-on.

Responsibilities

• Develop software with hands-on coding while guiding the technical direction.
• Mentor engineers and lead technical discussions.
• Set high engineering standards and ensure robust delivery.
• Collaborate across teams to shape scalable solutions.

Skills

Java

Kotlin

Design principles

System architecture

Testing

Mentoring

Technical leadership

Team collaboration

Influence decisions

Hands-on coding

Tools

Docker

Kubernetes

AWS

CI/CD

Job description

Tenth Revolution Group in Poland is seeking a Senior Java & Kotlin Engineer / Tech Lead who merges hands-on development with strong technical leadership. You will mentor engineers, shape system designs and drive architectural decisions to deliver scalable software.

The role is hybrid, requiring 2–3 days per week in our Warsaw or Kraków offices. You will collaborate across teams, promote engineering best practices, review designs, and stay active in coding while guiding delivery.