Senior AI Engineer (Python)

Our client has been into AI before it was cool and has gathered tons of research knowledge on AI, LLMs, RAGs being a personal research assistant to a solid client base. As part of their growth, they are looking for a Senior AI Engineer to join their team.

Tech stack:

> Service-oriented architecture, microservices;

> PostgreSQL, Non-relational and vector DBs (Elasticsearch/ OpenSearch, ChromaDB, CouchBase);

> Python, Django/Flask;

> AI/ ML/ NLP (Gensim, Torch, Transformers, spaCy, Autogen, etc.);

> GenAI (Windsurf, Cursor, Amazon Q, Claude and others);

> AWS;

> Docker, K8s.

Hands-on development responsibilities:

> Own the full development lifecycle - from idea to architecture, implementation, testing, and delivery of real-world AI products.

> Design and build robust AI systems, including Retrieval-Augmented Generation (RAG) pipelines and LLM Evaluation Frameworks.

> Drive innovation by testing new approaches and bringing new AI research into production.

> Work closely with researchers, product managers, and fellow engineers to shape and ship powerful features.

> Build systems for performance and reliability, ensuring they are scalable, testable, and maintainable.

> Contribute to a global mission to transform how the world interacts with scientific knowledge and applied AI.

Requirements:

> 5 years in software development, including 3 years with Python.

> Solid experience in web backends (Django/Flask), REST APIs, databases, and cloud infrastructure.

> Familiarity with ML systems or motivation to learn in depth.

> Proficiency in English.

Considered as a big plus:

> Degree in Computes Science or a related field.

> Previous work with LLMs, NLP, or AI model evaluation.

> Experience contributing to or using RAG systems in production.

> Open-source contributions, academic research, or mentoring.

In Return, They Offer:

> A job with a global mission to advance Science.

> Annual Salary Review.

> Share incentivization plan

> 30 days vacation.

> Flexible work hours.

> Remote-first policy with hybrid options for Sofia, Bulgaria.

> Personal equipment reimbursement program.

> Free MultiSport card.

> Private Health Insurance - premium package.

> Career Enhancement plan.

> Workshops, Conferences, Hackatons, Tech Deep Dives (internal & external).

Let's chat whenever at niki@cadabra.bg

(No. 2709 from 17.01.2019)