Senior Kotlin Developer / Tech Lead (Kotlin+Python)

Technologies we use

About the project

Your responsibilities

• Lead and develop the Language Intelligence engineering team
• Take end-to-end ownership of delivery, quality, and reliability
• Drive architectural decisions and technical direction
• Ensure engineering excellence standards (code quality, testing, CI/CD, production readiness)
• Collaborate closely with Product, UX, and Business stakeholders
• Translate business needs into technical solutions and execution plans
• Participate in product discovery as a technical partner
• Conduct code reviews and support the team in solving complex technical challenges

Our requirements

• Proven experience leading a software development team (people leadership + delivery ownership)
• Min. 7 years of experience with Kotlin and experience with Python
• Ability to contribute to architecture decisions and conduct high-quality code reviews
• Experience in ensuring engineering excellence (clean code, testing strategy, CI/CD, production readiness)
• Strong ownership mindset and accountability for outcomes, quality, and reliability
• Ability to translate business goals into clear scopes, priorities, and execution plans
• Experience working in a cross-functional environment (Product, UX, Business)
• Very good communication skills and knowledge of English
• Hands-on Team Leader profile: ~30% active coding, ~40% technical leadership, ~30% people leadership

Optional

• Background in e-commerce, marketplace, or consumer platforms
• Experience in mobile development
• Track record in AI-powered projects

Division of working time

This is how we organize our work

This is how we work

Team members

What we offer

• Real impact on product direction as a technical partner in product discovery
• Strong ownership and autonomy in technical and delivery decisions
• Possibility to work on AI-powered and innovative solutions
• Contribute to the development of a leading e-commerce advertising platform

Client – why choose this particular client from the Jit portfolio?