Salary
≈ $18k – $38k per year (Estimated)
Location
Remote (India)
Experience
3+ years exp
First seen by Alion on Oct 20, 2026.
Overview
Company
Impact
Profile match
Aptlogica is an IT services and digital transformation company offering custom software development, AI/ML, cloud, DevOps, IoT, and corporate eLearning solutions, empowering 75+ clients across 1,500+ projects.
Build applications that connect enterprise data with large language models, developing complete retrieval-augmented generation pipelines from document ingestion and embeddings to vector retrieval, model integration, and API deployment.
Responsibilities:
- Design and develop RAG solutions using enterprise data sources.
- Build AI applications with Python, FastAPI, LangChain, and LangGraph.
- Develop document ingestion, preprocessing, embedding, and vector-indexing pipelines.
- Build semantic and vector search workflows.
- Improve retrieval quality and LLM response accuracy.
- Integrate LLMs with databases, APIs, and enterprise applications.
- Develop scalable REST APIs for AI capabilities.
- Diagnose and improve RAG and LLM application performance.
Requirements:
- 3-7 years of overall professional experience, including 1-3 years of directly relevant hands-on experience.
- Strong Python development skills and experience building REST APIs with FastAPI.
- Hands-on experience with LangChain, LangGraph, and RAG architecture.
- Experience with PGVector, Pinecone, FAISS, or another vector database.
- Experience integrating OpenAI, Gemini, or Claude models.
- Working knowledge of PostgreSQL.
- Proficiency with Docker, Git, and collaborative development workflows.
Preferred qualifications:
- Experience deploying AI applications in cloud environments.
- Experience with RAG evaluation frameworks.
- Knowledge of hybrid search and reranking.
- Experience processing enterprise documents.
Skills
FastAPI, LangChain, LangGraph, Python
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