Python Backend + AI Engineer

Job Description

Company Description Kensaltensi / Alkimi Exchange is a decentralised replacement to the legacy programmatic ad exchanges, with a mission to restore the value exchange between advertisers, publishers and users. Alkimi Exchange is built on the Ethereum network and provides a fast, infinitely scalable solution with 0% fraud, low transaction fees, and complete end-to-end transparency.Learn more at  www.alkimi.org  or  Kensaltensi.org Role Overview We are looking for a strong Python Backend & AI Engineer with 3–4 years of experience in building scalable backend systems and implementing AI/ML components. The ideal candidate should have expert-level Python skills (FastAPI / Django), experience building REST APIs, SQL knowledge, authentication mechanisms, and familiarity with AI/ML workflows using Pandas, NumPy, and cloud platforms (AWS/GCP) Key Responsibilities  Design, build, and maintain scalable REST APIs using FastAPI and Django.  Develop secure authentication & authorization (OAuth2 / JWT / Session-based).  Work with SQL databases (PostgreSQL / MySQL) and write optimized queries.  Build modular backend architectures with clean and maintainable code.  Implement CI/CD, unit testing, and API documentation (Swagger / OpenAPI).  Integrate external APIs, microservices, and internal data services.  Deploy and manage applications on AWS or GCP (Lambda, EC2, Cloud Run, API Gateway, etc.).  Work with Docker-based deployments and containerization.  Use Pandas, NumPy, and Python scientific stack for data preprocessing.  Build simple ML pipelines and integrate AI models into backend services.  Work with REST-based AI model inference (OpenAI, Hugging Face, custom models).  Implement basic RAG or LLM integration (nice to have).  Optimize API performance, manage data flows, and build automation scripts. Required Skills  Strong Python development experience (3–4 years).  FastAPI and Django (must-have).  SQL (PostgreSQL / MySQL) and database schema design.  API authentication (JWT, OAuth2).  Experience with AWS / GCP cloud services.