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ReaperXD67/README.md
Aman Kumar — AI Engineer and Full-Stack Developer, Bengaluru. A brief pixel scan resolves into Aman's real portrait. Accountable intelligence. Reliable systems. Visible proof.

AI Engineer & Full-Stack Developer

Building AI products at SIP Organization · Former AI Engineer Intern at micro1

I build the parts an impressive demo can hide: retrieval that exposes its evidence, agents that respect permission, and services that recover when things go wrong.

Enter the portfolio → · 60-second recruiter view · Résumé

LinkedIn · Email · X / Twitter

Bengaluru, India · Open to AI engineering, full-stack roles, internships, and contract builds

Built around the difficult part

Three engineering boundaries: Autonomous Personal Agent routes intent through policy and a durable outbox, with human approval and owned worker leases. AtlasLM fuses dense and BM25 retrieval and gates answers on evidence and citations. KarixMC authenticates Paper events with HMAC and records ledger changes and delivery receipts. Source links and limitations follow.

Autonomous Personal Agent — control before autonomy

Local alpha · Python / FastAPI / PostgreSQL / Redis / Docker

Built a self-hosted agent control plane where task, outbox, and audit state share a transaction. Worker leases, heartbeats, bounded retries, and dead letters make interrupted work recoverable. Exact-action approvals bind reviewed content to a digest; persisted receipts prevent replay of recorded side effects.

The decision: refuse a stale worker's completion instead of trusting that only one process is still running.

Lifecycle decision · Approval + receipt implementation · CI evidence

Current boundary

Private local dashboard, career workflows, and isolated action adapters. External submissions and email remain exact-action approval-gated; broad browser autonomy is not enabled. Local fixture verification is not a claim of universal ATS compatibility. Exact-action design.

AtlasLM — make the answer inspectable

Live · Next.js / TypeScript / Qdrant / Upstash Vector / OpenRouter

Built a document-intelligence workbench with deterministic ingestion, dense + BM25 retrieval, reciprocal-rank fusion, reranking, and MMR diversity. The answer arrives with source passages, citation checks, and timed execution traces—not just generated prose.

The decision: gate before generation and audit after it. Weak evidence can produce abstention instead of confident-looking text.

Try the live workspace · Inspect the pipeline · Quality gates

Current boundary

One source workspace at a time. The semantic cache is instance-local; a multi-instance service would need shared cache state. Qdrant serves the local path and Upstash Vector the serverless deployment. Architecture and honest scope.

MinePulse / KarixMC — a real game-to-web boundary

Live on VPS · Next.js / Java / Paper / PostgreSQL / Redis / Nginx

Built and deployed a Minecraft marketplace connecting verified playtime, reward ledgers, server stores, and a Paper plugin. Signed events cross the game/API boundary; expiring purchase claims and a plugin-side receipt journal handle delivery acknowledgements.

The decision: calculate rewards on the server and remember delivered commands, so a lost acknowledgement need not repeat a recorded delivery.

Explore KarixMC · Inspect the plugin · Security boundary · Production runbook

Current boundary

Two application replicas behind Nginx, PostgreSQL, Redis, and recurring encrypted backups. Campaign-credit purchases are manually confirmed; automated payment checkout is not connected. Deployment is not a claim of customer scale. Current implementation.

Different problems. The same engineering instinct.

  • ROLLFORWARD — optimistic UI under failure: separate projected state from confirmed truth, preserve intent in IndexedDB, retry with the same idempotency key, and make 412 conflicts explicit. Source + decisions
  • Revive — live payment-recovery prototype with deterministic policies, HMAC-verified webhooks, and immutable audit records. Its duplicate-suppression challenge exercises the hosted backend; payment outcomes are demo data, not real charges or measured merchant uplift. Source
  • AtlasForge AI — checkpointed video production with provider fallbacks, editorial gates, and bounded cloud spend. SQLite and filesystem artifacts keep the single-workstation system deliberately simple. Architecture
Lower-level explorations
  • GPT Prototype: a decoder-only transformer built from first principles with RoPE, RMSNorm, QK-Norm, and Muon + AdamW.
  • Distributed Search Typeahead: FastAPI, PostgreSQL, Redis Streams, consistent hashing, batched writes, and failure handling.

Where I have built

  • SIP Organization · Project Lead Developer Intern · Jul 2026–Present — AI-powered WhatsApp onboarding, conversational workflows, backend integrations, and service delivery.
  • micro1 · AI Engineer Intern · Aug 2025–Jul 2026 — worker orchestration and modular cell components for a self-adaptive AI architecture.
  • Independent AI / ML Developer · 2025–Present — applied LLM products, automation, APIs, and training/inference workflows.

B.Sc. Computer Science, Scaler School of Technology with BITS Pilani · Aug 2024–Sep 2028. micro1 AI/ML credential

Working stack

AI: LLM applications, agent workflows, RAG, hybrid retrieval, evaluation, citations, PyTorch, OpenRouter.

Application: Python, TypeScript, FastAPI, Next.js, React, Java, REST APIs, OAuth, signed webhooks.

Data + delivery: PostgreSQL, pgvector, Redis, Qdrant, Upstash Vector, Prisma, Docker, Linux, Nginx, GitHub Actions, Vercel, VPS.

Public build activity

Aman's rolling public GitHub activity, generated in this repository

Generated daily from public GitHub data. Activity is context, not a substitute for the source and engineering decisions above.


Have a system worth building? Tell me the problem.

Portfolio · Canonical résumé · LinkedIn

Static portrait header · How this profile is built

Pinned Loading

  1. atlasforge-ai atlasforge-ai Public

    Local-first AI video production pipeline with provider fallbacks, editorial gates, and explicit cost controls.

    Python

  2. autonomous-personal-agent autonomous-personal-agent Public

    Security-first, self-hosted control plane for durable agent work, approvals, policies, and audit trails.

    Python

  3. MinePulse MinePulse Public

    Minecraft server marketplace with verified playtime rewards, signed Paper-plugin events, and production runbooks.

    TypeScript

  4. notebooklm-rag notebooklm-rag Public

    AtlasLM: evidence-first document intelligence with hybrid retrieval, citations, evaluations, and visible traces.

    TypeScript

  5. revive-ai revive-ai Public

    Explainable payment recovery with a deterministic reliability lab: 90 replay configurations, verifiable evidence, 171 tests, Three.js and a live full-stack Vercel demo.

    TypeScript

  6. rollforward-optimistic-engine rollforward-optimistic-engine Public

    Deterministic optimistic UI engine with typed conflicts, durable outbox, idempotent commands, chaos replay, and executable reviewer evidence.

    TypeScript