We are looking for a Senior Python Engineer to build an MVP of a first-of-its-kind AI-powered VC due diligence evaluation platform, leveraging a 400+ point checklist based on their corporate experience. The role focuses on backend development, API design, and production integration with LLM models, like OpenAI, vector databases (Milvus) and additional AI services that could provide intelligent responses for the query. This position suits someone who is comfortable working at the intersection of backend engineering, data and OCR and integrating with AI systems.
Responsibilities:
- Design, develop, and maintain backend services using Python (3.12)
- Build and support high-performance REST APIs and service layers
- Implement asynchronous and multithreaded workflows for data processing and AI pipelines
- Integrate with LLMs and RAG-based architectures
- Work with vector databases (Milvus) and object storage (MinIO)
- Design and optimize data models across PostgreSQL and MongoDB
- Implement access control using Casbin
- Ensure performance, scalability, and reliability of backend services
- Collaborate closely with AI engineers, data specialists, and product teams
- Participate in code reviews and technical decision-making
Requirements:
- Strong experience with Python 3.12
- Experience with Litestar (or similar async frameworks like FastAPI)
- Hands-on experience with SQLAlchemy and Alembic
- Experience implementing authorization models (e.g., Casbin)
- Strong understanding of multithreading / concurrency patterns
- Experience with PostgreSQL and MongoDB
- Experience with vector databases (Milvus is preferable)
- Experience with Kafka and/or RabbitMQ
- Practical experience with AI / LLM integrations
- Understanding of RAG (Retrieval-Augmented Generation) architectures
- Experience with the AWS cloud platform
- English level - upper-intermediate
Nice to have skills:
- Experience with Kubernetes (K8s)
- Experience with LLM providers (OpenAI, Anthropic, open-source models)
- Familiarity with distributed systems and scalable architectures
- Experience with observability tools (logging, monitoring, tracing)
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
Skills Required
- Strong experience with Python 3.12
- Experience with Litestar or similar async frameworks (e.g., FastAPI)
- Hands-on experience with SQLAlchemy and Alembic
- Experience implementing authorization models (e.g., Casbin)
- Strong understanding of multithreading and concurrency patterns
- Experience with PostgreSQL and MongoDB
- Experience with vector databases (Milvus is preferable)
- Experience with Kafka and/or RabbitMQ
- Practical experience with AI / LLM integrations
- Understanding of RAG (Retrieval-Augmented Generation) architectures
- Experience with the AWS cloud platform
- English level - upper-intermediate
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








