Headline

Full Stack Developer | Python • FastAPI • React • Docker | LLM Infrastructure @ Ethara AI | 3 Live Production Apps | Open to SDE Roles

About

Final-year CS engineer (CGPA 7.5) with hands-on production experience in LLM infrastructure, backend systems, and full-stack development. Currently interning at Ethara AI as an LLM Platform Engineer building RLHF data pipelines that processed 15,000+ structured prompt-response pairs, improving model accuracy by 25% and reducing error rates by 30%. What I have built and shipped: 1. Gharana Pickles (gharanapickles.in) — Full production e-commerce website with custom domain, Cloudinary image delivery, and real customers 2. TaskNest (tasknest.site) — Full stack developer productivity dashboard with Kanban boards, JWT auth, Redis caching, PostgreSQL, deployed on custom domain 3. ML Inference API Platform — Async REST API with multi-layer auth, rate limiting, Redis caching, CI/CD via GitHub Actions 4. Network IDS Engine — Real-time C++ intrusion detection system using libpcap, pthreads, validated across 1M+ packet stress test Tech stack: Python • FastAPI • React • Next.js • TypeScript • PostgreSQL • Redis • Docker • C++ • JWT • OAuth 2.0 • GitHub Actions • AWS EC2 • Vercel Solved 150+ DSA problems across LeetCode, HackerRank, Coding Ninjas, and AlgoExpert. 17+ public repositories on GitHub: github.com/ayushsingh1524 Open to SDE, Backend, and Full Stack roles. Relocating anywhere in India. 📩 singhayush9179@gmail.com | Portfolio: ayushsinghportfolio-beta.vercel.app

Location

Lalganj

AI stack

hugging face

langchain

ollama

openai

Work experience

LLM INTERN at Ethara AI, Feb 2026 - Present · 5 mos, Gurugram, Haryana, India, • Improved LLM response accuracy by 25% through fine-tuning and post-training optimization using RLHF feedback cycles; exposure to GPU-accelerated training workflows. • Curated and annotated 15,000+ structured prompt-response pairs; built Python scripts to automate data validation and quality assurance across annotation pipelines. • Reduced model error rate by 30% via systematic error analysis and iterative feedback; collaborated cross-functionally with product stakeholders in Agile sprints. • Applied secure data handling, input validation, and observability practices to monitor pipeline health and catch data drift early

Campus Ambassador at Indian Institute of Technology, Delhi, Sep 2024 - Nov 2024 · 3 mos, Delhi, India, • Represented Kanpur Institute of Technology at IIT Delhi Rendezvous 2024, coordinating student registrations and managing event publicity for one of India's largest cultural festivals. • Strengthened leadership and cross-institutional networking skills while serving as the communication link between the Rendezvous organizing team and campus participants.

React Developer Intern at EISystems Technologies, Jun 2024 - Sep 2024 · 4 mos, India

Full-stack Developer at Main Flow Services and Technologies, Jun 2024 - Aug 2024 · 3 mos, Kanpur, Uttar Pradesh, India, Contributed to full-stack development on an existing production codebase, implementing frontend UI changes using React and backend modifications with REST APIs and database queries. Gained hands-on experience in full-stack workflows including component development, API integration, and debugging across both client and server layers in a professional team environment.

Education

Bachelor of Technology, Computer Science, Dr. A.P.J. Abdul Kalam Technical University (AKTU), Lucknow