Lead Python Engineer (with GenAI Experience)

Madrid - Spain

Monthly Salary: Not Disclosed

Posted on: 7 hours ago

Vacancies: 1 Vacancy

Job Summary

We are looking for a Python Tech Lead to take ownership of backend architecture technical leadership code quality and team development.

You will work on complex backend systems design scalable architectures and lead a talented engineering team collaborating closely with business stakeholders to translate requirements into robust technical solutions.

You will play a key role in shaping the product roadmap making strategic architecture decisions and ensuring that delivery aligns with business goals.

A key component of the initiative is the development of internal AI-powered capabilities including a generic chatbot and voice-to-text features. You will provide technical leadership for AI integrations ensuring scalable maintainable and performant systems. Basic German is a plus but your expertise in strategy technical leadership and hands-on delivery is what matters most.

Why Join Us:

Lead a high-impact project with real public-sector relevance
Take ownership of architecture and system design end-to-end
Influence the product roadmap and technical direction
Work with a talented collaborative engineering team
Contribute to AI-driven innovative features with large-scale impact

Responsibilities:

Own backend architecture and technical decisions for scalable high-load systems
Lead the team in designing implementing and maintaining backend services and APIs
Guide technical design reviews code quality and engineering best practices
Balance hands-on development (4060%) with leadership and mentoring (4060%)
Oversee scalability performance optimization and reliability of production systems
Lead incident response bug fixing and production issue resolution
Provide technical guidance for AI/LLM-powered features such as chatbots and voice-to-text integration
Collaborate closely with Product Frontend and AI/ML teams to translate requirements into technical solutions
Drive adoption of observability monitoring and testing standards across the team
Mentor and support engineers to foster team growth and knowledge sharing

Must-Have Skills:

5 years experience in Software Development and 2 years in Tech Lead / Team Lead roles on large-scale software projects
Strong product mindset with experience in team organization task prioritization and project planning
Ability to make and own technical and architectural decisions
Strong problem-solving and proactive approach
Excellent communication and interpersonal skills for cross-team collaboration
Strong analytical and organizational abilities; able to manage dependencies risks and cross-team planning
Hands-on experience with Python 3 including asynchronous programming
Experience with backend frameworks (FastAPI Django DRF)
Experience designing and developing microservices or modular architectures
Strong knowledge of relational (PostgreSQL) and NoSQL (Redis MongoDB) databases
Experience with vector storage (e.g. Qdrant)
Understanding of testing strategies (pytest TDD/BDD principles)
Familiarity with Docker CI/CD pipelines and production deployments
Strong experience with Kubernetes and cloud platforms (AWS GCP Azure)
Knowledge of clean code principles SOLID typing (mypy Pydantic)
Experience with scalability production monitoring and incident management
Experience building GenAI or LLM-powered products

Nice-to-Have Skills:

Experience with public-sector or government digital transformation projects
Familiarity with LangChain LlamaIndex or similar tooling
Experience with open-source LLMs (LLaMA Mistral Mixtral)
Experience in high-growth startup environments
Knowledge of cost optimization for AI inference and infrastructure
Basic German language skills for team onboarding and future customer projects

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:

We are looking for a Python Tech Lead to take ownership of backend architecture technical leadership code quality and team development.You will work on complex backend systems design scalable architectures and lead a talented engineering team collaborating closely with business stakeholders to trans...