Achu Shaji

About Achu Shaji

Senior Python Backend Engineer with 4+ years of experience building scalable, AI-integrated backend systems and cloud-native applications. Specialized in Django, FastAPI, and microservices architecture with strong expertise in Azure deployment, background task processing (Celery), and high-throughput API development.Led development of AI-based recruiting and resume intelligence systems integrating OpenAI and Hugging Face models to automate candidate search, parsing, and job matching. Experienced in designing secure, multi-tenant architectures with JWT authentication, Redis caching, Dockerized deployments, and CI/CD pipelines.Strong focus on performance optimization, system scalability, and clean architecture principles. Seeking challenging backend/product engineering roles where I can contribute to building intelligent, scalable platforms.

Experience

1. Product Engineer - Ai Ml

   Gritstone Technologies

   Apr 2025 — Present

   Designed database architecture and project structure for Fortis, a scalable project management application.Built Repetor, an AI-powered recruitment platform using Hugging Face and OpenAI for resume parsing and intelligent job matching.Developed and maintained backend systems using Python, Django, FastAPI, and MySQL following clean architecture principles.Integrated Azure Blob Storage for secure, scalable document management.Applied AI/ML techniques to automate workflows and improve system scalability.Conducted technical interviews and contributed to candidate evaluations.Mentored junior engineers on backend development, system design, and best practices.Collaborated with cross-functional teams to deliver production-ready solutions.

Education

• Sichuan University

  Bachelor's degree, Computer Software Engineering

  2016 — 2020