Team Leader (Python)

We are looking for a Team Leader (Python) to join our teams!

Requirements:

- Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field;

- 6+ years of experience in software engineering;

- Experience in leading, growing, and mentoring a team of engineers;

- Strong hands-on experience in writing Production-grade Python code and owning the code quality of the team by conducting code reviews.

- Experience in leading the system design and architecture of delivering application services.

- 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)

Will be plus

- 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.

Responsibilities:

- Own architecture for AI application services: multi-tenant design, API & data contracts, eventing, and platform components (retrieval service, embedding/indexing pipelines, prompt/tool registry, evaluation harness);

- Lead system design for agentic workflows (tool use, function-calling, planners), with safety and policy enforcement (guardrails, content filters, prompt-injection defenses);

- Establish SLOs and operational excellence (dashboards, alerts, runbooks, on-call), drive incident reviews and reliability improvements;

- Optimize cost/perf: model/vendor selection, caching strategies, token/embedding budgets, throughput under provider rate limits;

- Guide data governance: PII handling, redaction, access controls, audit logging, and secrets management;

- Set and enforce engineering standards (architecture reviews, design docs, code quality, testing strategy, CI/CD, IaC);

- Mentor engineers, break down roadmaps into milestones, and collaborate with product and stakeholder teams; lead technical discovery with customers when needed;

- Develop and maintain robust, scalable web applications that integrate AI models;

- Lead the code reviews and contribute to improving development practices;

- Troubleshoot, debug, and upgrade existing software;

- Write technical documentation and maintain system architecture diagrams;

- Stay updated with emerging technologies and industry trends.

Our stack:

- Programming Languages: Python;

- Backend Frameworks: FastAPI;

- Databases: PostgreSQL, Redis;

- API Development: RESTful APIs;

- Cloud Platform: AWS (primary);

- AWS Services: EC2, S3, Lambda, API Gateway, RDS, DynamoDB;

- Version Control: Git, GitHub/GitLab;

- CI/CD: Jenkins, Argo CD, GitLab CI, GitHub Actions;

- Containerization: Docker, Kubernetes (basic knowledge).

Our benefits to you:

☘️An exciting and challenging job in a fast-growing holding, 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 is guaranteed
🧑🏻‍💻Modern corporate equipment based on macOS or Windows and additional equipment are provided
🏖Paid vacations, sick leave, personal events days, days off
💵Referral program — enjoy cooperation with your colleagues and get the 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, PIN-UP clubs for movie / book / pets lovers and more
🎳Other benefits could be added based on your location