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05102005rajat/README.md

Rajat Choudhary

CS @ UC Irvine. Building AI-driven products end to end.

Now

  • Software Engineering Intern @ Built By The Trades (Jun 2026 – Present, Remote). Building a gamified performance layer on top of a home-services SaaS. Solo build in the first month: 31 PRs, 12 database migrations, 14K+ lines across 152 files.
  • Research: Safety constraints in PDDL planning with Prof. Ian G. Harris (UCI CS).

Previously

  • Apr – Jun 2026: SWE Intern at Spacebourne, on CLARITY, a satellite RF interference SaaS. Python, FastAPI, PostgreSQL, ML inference, CI/CD. Won the Spring 2026 Delta-V Capstone Award.
  • Jun – Sep 2025: AI/ML Intern at Adani Green Energy. RAG chatbot with LangChain + FAISS cutting query-resolution time by 60%; benchmarked local vs Azure OpenAI on accuracy, latency, and cost.

Featured projects

JobScope AI LangGraph multi-agent job tracker with semantic JD-vs-resume matching. Agent reliability 70 to 98%, match accuracy 43 to 80%. React, FastAPI, PostgreSQL, Groq Llama 3.3. Live

cf_ai_docs_tutor RAG chat agent on Cloudflare Workers AI + Vectorize + Durable Objects. Structured citation enforcement at the response schema layer. Submitted for the Cloudflare Summer 2026 SWE Intern assignment. Live

cerebras-topk-knn Top-k KNN kernel written in Cerebras CSL. Simulated per-PE (processing element) data movement and reduction on a wafer-scale accelerator. Part of the AI Builder Challenge submission.

Cerebras Asset Tracking Multi-site asset reconciliation across operations, facilities, and finance. Selected as 1 of approximately 49 in the perfect-pass cohort out of 1000+ submissions to the Cerebras AI Builder Challenge. Live

HN Search From-scratch TF-IDF IR engine over a Hacker News corpus. Var-byte and delta-encoded postings, bigram phrase index, LRU posting cache, Streamlit UI.

lumina-feedback Editorial-minimal customer feedback dashboard. Vite, TanStack Start, TypeScript, Tailwind v4, shadcn/ui. Live

Tech

Python, TypeScript, React, Next.js, FastAPI, LangGraph, PostgreSQL, Supabase, Cloudflare Workers, Cerebras CSL, PyTorch

Contact

05102005rajat@gmail.com

Pinned Loading

  1. jobscope-ai jobscope-ai Public

    AI-powered job application tracker. Track applications, paste a JD, get a semantic resume match score and concrete improvement suggestions from a LangGraph agent. FastAPI · React · LangGraph · Groq…

    Python

  2. cf_ai_docs_tutor cf_ai_docs_tutor Public

    RAG chat agent that tutors developers on Cloudflare's platform (Workers AI + Vectorize + Durable Objects). CF SWE Intern Summer 2026 cf_ai_ submission.

    TypeScript

  3. cerebras-asset-tracking cerebras-asset-tracking Public

    Cerebras AI Builder Challenge submission — multi-site asset tracking with three-way reconciliation across operations, facilities, and finance.

    TypeScript

  4. hn-search hn-search Public

    Hacker News search engine — TF-IDF ranking, field-weighted scoring, var-byte/delta-encoded postings, bigram phrase support, and a Streamlit UI.

    Python

  5. mech-interp-rajat mech-interp-rajat Public

    Mechanistic interpretability project: reproducing the IOI circuit (Wang et al. 2022) in GPT-2 small with TransformerLens, then extending to retrieval-augmented inputs.

    Jupyter Notebook