Java Lead (AI agents)
Java Lead (AI agents)
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Job Description
We are seeking an experienced Lava Lead with a strong Java and distributed systems background to lead our cross-functional team based in Poland. This role combines deep technical expertise with people leadership responsibilities across backend and mobile engineering.
Our client headquartered in California is a global e-commerce leader connecting millions of buyers and sellers in over 190 markets. You will lead a team delivering cutting-edge AI/ML-powered experiences that transform the way people shop and sell online.
Your Role:
As an Java Lead you will be responsible for the technical direction people development and delivery execution of a high-performing team. You will collaborate closely with product AI/ML and platform teams to design and deliver scalable features ensuring operational excellence clean architecture and reliable services.
Key Responsibilities
- Lead and mentor a cross-functional team of backend (Java/Kotlin) and mobile engineers (iOS/Android)
- Drive architecture and design decisions for large-scale distributed systems
- Provide technical leadership in areas such as API contracts (FGQL REST WebSockets) service integration and performance optimization
- Promote best practices in observability including metrics tracing and alerting
- Organize and lead on-call rotations ensuring effective incident response and root-cause analysis
- Partner with product and ML stakeholders to define scope set priorities and ensure delivery of impactful solutions
- Conduct regular code and design reviews contributing hands-on when needed to guide complex implementations
- Foster a culture of ownership technical excellence and continuous improvement
Qualifications:
- 2 years of experience as Tech Lead with direct team leadership responsibilities
- 7 years of backend development experience with Java or Kotlin
- Deep expertise in designing scalable distributed systems and microservices architectures
- Strong understanding of API contract design and maintenance: FGQL REST WebSockets
- Solid experience with Spring Framework and related Java/Kotlin tooling
- Hands-on experience leading teams through operational responsibilities including on-call rotations
- Proficiency in modern observability practices: logs metrics tracing incident response
- Excellent English communication skills (C1 level or above)
- BSc or MSc in Computer Science Engineering or a related technical field.
Preferred Qualifications:
- Experience with Apache Kafka or other real-time streaming systems
- Knowledge of reactive programming (e.g. Project Reactor)
- Experience with Docker and Kubernetes in a production environment
- Exposure to AI/ML-based applications or infrastructure
- Experience in e-commerce or consumer-facing platforms operating at scale
We offer*:
- Flexible working format - remote office-based or flexible
- A competitive salary and good compensation package
- Personalized career growth
- Professional development tools (mentorship program tech talks and trainings centers of excellence and more)
- Active tech communities with regular knowledge sharing
- Education reimbursement
- Memorable anniversary presents
- Corporate events and team buildings
- Other location-specific benefits
*not applicable for freelancers
Required Experience:
Unclear Seniority
Employment Type
Full Time
