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Trying to build projects
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Trying to build projects
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Rajatendu1/README.md

Rajatendu Dey - Backend engineer: distributed systems, auth and identity, AI-powered applications

Portfolio llmgate live demo actas live demo Open to work: Bangalore or remote

Projects · Open source · Evidence · Stack · Contact

Backend engineer building distributed backend systems, authentication and identity infrastructure, and AI-powered applications. Formerly SDE II at AWS (UnifiedAuth) and an engineer at HSBC; previously a machine learning intern at HighRadius.

Projects, tested and live

llmgate: OpenAI-compatible LLM gateway. Explore the repository. actas: delegation tokens for AI agents. Explore the repository.
Vigilant: AI-assisted Indian equity research. Explore the repository. Engineering portfolio. Explore the repository.

llmgate - routing, failover, streaming, per-key rate limits and usage metering behind one /v1/chat/completions endpoint. Live demo → · Source →

actas - an RFC 8693 token-exchange reference implementation where permissions can only shrink down a delegation chain, with DPoP-style sender constraints and a hash-chained audit log. Live demo → · Source →

Vigilant - turns an Indian stock name into a structured, evidence-backed investment view. Source →

Both live demos are tested working prototypes, not production services. llmgate keys reach the simulated providers only; two real free-tier Groq models sit behind explicit buttons.

Open source, merged upstream

Merged upstream:

  • authlib #1031 - fixed default-port handling for IPv6 hosts in OAuth 1.0a signature base-string URIs, with regression tests across IPv4/IPv6 and default, non-default and missing ports. Merged 10 Nov 2026.
  • gookit/goutil #316 - timex now decodes JSON strings before parsing dates: escaped timestamps decode correctly, numbers can no longer be misread as dates, and 0/1 no longer cause a slice-bounds panic. Merged 12 Nov 2026.

Further patches under review upstream across Python, Rust, JavaScript and TypeScript projects.

Evidence, with receipts

Project Verified Checks
llmgate 11 Nov 2026 274 pytest cases, 61 local end-to-end HTTP checks, a JavaScript smoke gate, plus Docker image and Compose smoke checks in CI
actas 11 Nov 2026 48 pytest cases, 17 integration checks, 26 process checks, plus desktop and mobile browser workflows (new post-recovery checks; the original development suite was not recovered)

Full evidence notes →

Stack

Python, TypeScript, JavaScript, Go, Docker, Redis, Postgres, AWS, GitHub Actions, Vercel

GitHub

GitHub snapshot: 14 followers, 41 public repos, 20 owned non-fork, 17 stars. Verified 12 Nov 2026.

GitHub streak

How these were built

The projects and patches above were designed and built by Instinct, my AI assistant, working at my direction.

Contact

Open to backend, platform and AI-infrastructure roles, Bangalore or remote.

Portfolio →

Pinned Loading

  1. equity-research-agent equity-research-agent Public

    Vigilant: an AI-assisted Indian equity research workspace that turns a stock name into a structured, evidence-backed investment view.

    TypeScript

  2. actas actas Public

    Delegation tokens for AI agents: an RFC 8693 token-exchange reference implementation where permissions can only shrink down a chain, with sender constraints, a hash-chained audit log and a policy w…

    Python

  3. authlib authlib Public

    Forked from authlib/authlib

    Fork of authlib/authlib - my OAuth 1.0a IPv6 default-port signature fix was merged upstream (PR #1031, Nov 2026).

    Python

  4. engineering-portfolio engineering-portfolio Public

    Source for my engineering portfolio: tested projects, evidence notes and open-source contributions.

    HTML

  5. llmgate llmgate Public

    An OpenAI-compatible LLM gateway: routing, failover, streaming, per-key rate limits and usage metering. Tested prototype with a live demo.

    Python