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 (~40–60%) with leadership and mentoring (~40–60%)
- 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
Top Skills
What We Do
N-iX is a global software solutions and engineering services company that helps world’s leading organizations turn challenges into lasting business value, operational efficiency, and revenue growth using advanced technology. Whether you need to build a custom solution, modernize your digital product or acquire extra tech expertise - we have the experience and capabilities to ensure your success.
With over 2,000 professionals in 25 countries across Europe and the Americas, N-iX offers expert solutions in cloud, data analytics, embedded software, IoT, AI, machine learning, and other tech domains. Being in business for over two decades, we have worked with dozens of industry-leading enterprises and Fortune 500 companies creating value across a wide variety of sectors, including finance, manufacturing, supply chain, retail, e-commerce, healthcare, and more. Our unique combination of business domain expertise and technical know-how enables us to effectively collaborate with ISVs, tech companies, and enterprises of all sizes. Thanks to the strong tech ecosystem and partnerships with AWS, GCP, Microsoft, SAP, OpenText, Snowflake, and others, we bring extra speed, scale and efficiency to more than 160 organizations across the globe. N-iX is recognized by numerous industry awards, such as CRN Solution Provider 500, Global Outsourcing 100 by IAOP, ISG Provider Lens™, Modern Application Development services providers by Forrester, etc
