Full Stack Engineer I/II/III
First seen by Alion on Sep 7, 2026.
Role : Full Stack Engineer I
Key Responsibilities :
- Build AI Features : Develop and ship LLM-powered features into production using Python and FastAPI.
- Design RAG Pipelines : Build end-to-end document ingestion, chunking, embedding, and retrieval workflows.
- Write APIs : Create reliable FastAPI endpoints with proper database integration and exception handling.
- Integrate Vector Search : Work with vector databases, hybrid search strategies, and embeddings lifecycle management.
- Own Async Workloads : Design background task queues and async architectures that decouple heavy processing from API threads.
- Maintain Quality : Write clean, testable Python code and participate in design and code reviews.
Required Skills & Experience :
- Experience : 3 - 10 years in backend or AI engineering, including internships or project-based work.
- Languages : Strong hands-on Python skills with clear understanding of async patterns.
- Frameworks : Working experience with FastAPI or Django and SQLAlchemy for database access.
- AI Basics : Practical exposure to RAG pipelines, LLM APIs, or embedding models.
- Databases : Comfortable with SQL and integrating relational databases into API workflows.
Why Think41 :
- Build real production AI systems, not proof-of-concepts.
- Work directly on RAG, agentic, and enterprise AI pipelines at scale.
- Learn from engineers designing AI infrastructure from the ground up.
- Clear growth path toward Senior AI Engineer or AI-focused Tech Lead.
Join Us :
If you are excited about building the infrastructure behind AI products and want to grow fast in a hands-on engineering environment, we would love to connect.
Skills
Python, FastAPI, LLM, VectorDB, Django, RAG, Agentic AI, AI Integration, SQL Server