Team Leader / Software Architect (Python, FastAPI, AI Integration)
Description
We are looking for experienced professionals who can design and develop complex software systems from scratch, design project-wide technical solutions as well as establish and control the best development practices.
office remoteBulgariaGeorgiaKazakhstanPolandSerbiaUkraineUzbekistan
Requirements
- Core Development Skills:
- Expert-level Python development (5+ years)
- Deep experience with FastAPI (async programming, dependency injection, background tasks, middleware)
- Familiarity with Pydantic, SQLAlchemy, and async frameworks
- Strong understanding of RESTful API and OpenAPI standards
- AI Integration & Utilization:
- Proven experience integrating external AI models and APIs (e.g., OpenAI, Anthropic, Hugging Face, Cohere, Google Gemini, etc.)
- Ability to evaluate and select appropriate AI models based on functional and business needs (e.g., text generation, summarization, image recognition, classification)
- Experience orchestrating AI pipelines — prompt engineering, context management, and model fallback strategies
- Understanding of AI service architectures — latency, scalability, cost, and compliance considerations
- Familiarity with vector databases and retrieval-augmented generation (RAG) concepts
- Comfortable working with AI SDKs, APIs, and webhooks
- Architecture & System Design:
- Experience designing modular, scalable backend architectures
- Strong grasp of microservices, event-driven and API-first design patterns
- Experience with containerization (Docker) and orchestration (Kubernetes)
- Familiarity with caching, message brokers (Redis, RabbitMQ, Kafka), and database scaling
- Proficiency in both SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis) systems
- DevOps & Cloud:
- Hands-on experience with CI/CD pipelines and GitHub Actions
- Understanding of cloud environments (GCP)
- Familiarity with Infrastructure as Code tools (Terraform, Ansible)
- Knowledge of monitoring and observability tools (Prometheus, Grafana, ELK
- Leadership & Communication:
- 3+ years of experience leading software teams or technical projects
- Strong architectural vision — ability to design and communicate high-level solutions
- Skilled at translating business goals into technical strategies
- Excellent interpersonal and mentoring skills
- Comfortable running code reviews, technical planning, and architecture discussions
- Experience working in Agile/Scrum environments
Nice to have
- Hands-on experience integrating multiple AI vendors’ APIs (e.g., OpenAI, Hugging Face, Replicate)
- Experience with AI-based applications such as chatbots, document analyzers, or recommendation systems
- Awareness of AI-related legal and ethical considerations (data privacy, model bias, compliance)
- Contributions to open-source Python/FastAPI or AI integration projects
Responsibilities
- Lead the design and development of robust backend systems using FastAPI
- Define and maintain the technical architecture, ensuring scalability, performance, and maintainability
- Evaluate, select, and integrate AI models and APIs that best fit project requirements (e.g., LLMs, vision, NLP, or recommendation models)
- Supervise and mentor a team of developers, setting coding standards and conducting technical reviews
- Collaborate AI providers and product teams to ensure smooth integration of intelligent features
- Drive best practices in API design, cloud deployment, security, and DevOps automation
- Stay up-to-date with emerging AI technologies and frameworks to guide architectural decisions
We offer
- Projects for such clients as PayPal, Wargaming, Xerox, Philips, Adidas and Toyota;
- Competitive compensation that depends on your qualification and skills
- Career development system with clear skill qualifications
- Flexible working hours aligned to your schedule
- Options to work remotely
- Corporate medical insurance covering services of private and public medical centers
- English courses online
- Corporate parties and events for employees and their children
- Internal conferences, workshops and meetups for learning and experience sharing
- Gym membership compensation
- 5 days of paid sick leave per year with no obligation to submit a sick-leave certificate
Any questions?
Veronika
hh@itransition.comApply for
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Team Leader / Software Architect (Python, FastAPI, AI Integration)
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