Team Leader (Python)

About the Position

We are seeking a Team Leader (Python) to join our team in Armenia, Cyprus, or Poland. This role is remote and requires a blend of technical expertise and leadership skills to drive our software engineering projects.

Responsibilities

• Take ownership of team projects, including delivery coordination, technical quality, risks, dependencies, and day-to-day execution.
• Plan and coordinate team work considering priorities, developer availability, vacations, sick leaves, and backup ownership.
• Ensure delivered solutions follow agreed architecture and clarify unclear technical decisions with Architect / DTO / stakeholders.
• Be responsible for quality, consistency, maintainability, and production readiness of solutions delivered in code.
• Lead code reviews and improve engineering practices across testing, observability, documentation, reliability, and security.
• Develop and maintain robust, scalable backend applications and services that integrate AI models and AI-powered workflows.
• Design and implement efficient APIs, orchestration services, integrations, and data processing components.
• Collaborate closely with Architect, AI team, product, data, and infrastructure teams to deliver practical AI solutions.
• Troubleshoot, debug, optimize, and upgrade existing systems.
• Support and mentor developers through technical guidance, 1:1 meetings, knowledge sharing, and development planning.
• Identify knowledge gaps, reduce single points of failure, and organize knowledge sharing across team projects.
• Promote practical AI Engineering adoption in the team, including AI-assisted development, testing, documentation, debugging, and review workflows.
• Ensure AI-assisted work improves delivery speed without reducing code quality, security, or maintainability.
• Write and maintain technical documentation, diagrams, README files, and operational notes where needed.
• Stay updated with emerging backend, cloud, and AI Engineering practices and apply them where practical.

Requirements

• Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.
• 5+ years of experience in software engineering.
• Strong proficiency in Python, with experience with other programming languages.
• Solid understanding of computer science fundamentals, data structures, and algorithms.
• Strong knowledge of concurrency, parallelism, and related concepts.
• Experience with back-end frameworks (FastAPI).
• Expertise in object-oriented programming and SOLID principles.
• Experience with RESTful APIs and microservices architecture.
• Proficiency in version control systems, particularly Git.
• Familiarity with CI/CD pipelines and DevOps practices.
• Strong understanding of database systems (both SQL and NoSQL).
• Experience with AWS services, cloud architecture, and Serverless development.
• Knowledge of containerization technologies (Docker, Kubernetes).
• Testing and quality mindset; understanding Test Pyramid methodology and different Test Categories.
• Understanding of Observability (structured logging, metrics, traces, OpenTelemetry) and Reliability (circuit breakers, backoff, idempotency).

Nice to Have

• Practical AI app experience: implementing RAG pipelines (chunking, indexing, retrieval, re-ranking) with vector stores (e.g., pgvector, Qdrant, Pinecone) and framework glue (LlamaIndex, LangChain, pydantic_ai or any similar).
• Integrating LLM providers via API (prompt/function-calling/tool use), with guardrails, caching, retries, and fallbacks.
• Familiarity with MLOps tools and practices (deepeval, prompts versioning, etc.).
• Experience with message brokers (e.g., NATS, Kafka, RabbitMQ).
• Familiarity with graph databases and algorithms.
• Understanding of gambling or gaming industry technology stacks.

Soft Skills

• Excellent problem-solving and analytical skills.
• Strong communication abilities, capable of bridging technical and non-technical stakeholders.
• Proactive approach to learning new technologies and methodologies.
• Ability to work effectively in cross-functional teams.
• Attention to detail and commitment to code quality.
• Time management skills and ability to handle multiple projects.

We Offer

• An exciting and challenging job in a fast-growing business group.
• The opportunity to be part of a multicultural team of top professionals in Development, Architecture, Management, Operations, Marketing, Legal, Finance, and more.
• Great working atmosphere with passionate experts and leaders, sharing a friendly culture and a success-driven mindset.
• Beautiful offices in Warsaw, Limassol, Yerevan with the option to work remotely or on-site.
• Modern corporate equipment based on macOS or Windows and additional equipment provided.
• Paid vacations, sick leave, personal events days, days off.
• Corporate health insurance program for your well-being.
• Referral program to enjoy cooperation with your colleagues and get a bonus.
• Educational programs: regular internal training sessions, compensation for external education, attendance of specialized global conferences.
• Rewards program for mentoring and coaching colleagues.
• Free internal English courses.
• In-house Travel Service.
• Multiple internal activities: online platform for employees with quests, gamification, presents and news, RedCore clubs for movie / book / pets lovers, special office days dedicated to holidays.
• Company events, team buildings.

About the Company

Join our team and be part of a dynamic and innovative environment where you can grow your career and contribute to exciting projects.