Regular Java/Kotlin Developer

You will join the Language Intelligence team, responsible for building and scaling intelligent solutions supporting language-driven features within the product ecosystem. The team works in a cross-functional setup, closely collaborating with Product, UX, and Business stakeholders. In this role, you will contribute to the design, development, and improvement of system components, ensuring high-quality code and reliable delivery. You will actively participate in technical discussions, support architectural decisions, and help align technical solutions with business requirements. This position offers the opportunity to work on impactful product features and contribute to the evolution of intelligent, scalable systems.

Our Client dominates the Polish e-commerce arena as the market leader since 1999. With a user base of over 20 million and growing, this well-established platform is at the forefront of e-commerce, constantly striving for growth through market expansion and investment. As a major player in technology, our Client boasts a talented IT team of over 1,000 employees who focus on developing their own cutting-edge technologies.

Jit Team has had a successful partnership with our Client since spring 2021, with multiple software development teams dedicated to our Client's platforms. These teams operate autonomously, designing platform components through micro-services.

Working with our Client offers a chance to contribute to a solution used by millions on a daily basis and to tackle the challenge of delivering software at a massive scale, where even a single second of delay can have a significant impact. This project provides a unique opportunity to work with state-of-the-art technologies and tools, making it a rare and valuable experience.

Jit Team is a Polish company employing over 700 experienced experts. They create highly specialised teams for clients worldwide and offer developmental projects, a wide range of benefits, and a proprietary professional development programme. They also engage in charitable and educational activities, supporting pupils, students, water rescuers, and hospitals.

• Minimum 4 years of experience with Java (with Kotlin experience)
• Basic experience and strong interest in AI-driven solutions, specifically LLM integration and Agentic Systems/Frameworks
• Ability to design and implement complex features and system components
• Strong ownership of delivered solutions (code quality, stability, scalability, observability)
• Experience making architectural decisions and evaluating technical trade-offs
• Ability to identify and manage technical risks, dependencies, and technical debt
• Product-oriented mindset - evaluating technical choices through user impact
• High level of autonomy and accountability

Nice to have:

• Hands-on experience with Cloud environments (GCP preferred) and Kubernetes
• Experience working in large-scale, distributed systems
• Cross-team collaboration experience in complex organizational environments
• Experience providing technical consultancy and knowledge sharing

• Drive the design and implementation of complex features and system components
• Contribute to architectural decisions and evaluate technical trade-offs
• Ensure high quality, scalability, stability, and observability of delivered solutions
• Identify and manage technical risks, dependencies, and technical debt
• Collaborate closely with Engineers, Product Managers, and Designers
• Support knowledge sharing and promote engineering best practices
• Contribute to AI-driven initiatives, including LLM integration and agent-based systems

• Opportunity to work on high-complexity, AI-driven solutions
• Influence on engineering standards and technical best practices
• Contribute to the development of a leading e-commerce advertising platform
• Work in a cross-functional environment with Engineers, Product Managers, and Designers
• Remote work with occasional visits in Warsaw
• Salary: 700-1000 PLN/day on B2B