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G26karthik/README.md
G. Karthik Koundinya - Systems & AI Engineer

Portfolio LinkedIn Email Resume CodeChef ranked 6 India and 76 global LeetCode 2665 Guardian

Building AI Infrastructure and Performance Layers

I bridge the gap between elite algorithmic problem-solving and production systems engineering[cite: 2]. My core focus lies at the intersection of autonomous AI execution layers, high-throughput RAG infrastructure, and performance-tuned backend systems[cite: 2].

I am looking for roles around AI Engineering, AI Infrastructure Engineering, AI Software Engineering, and High-Performance Backend Engineering for AI Products[cite: 2].

Signal Proof
Agentic Systems Dual-agent parent-child orchestration (AlgoSentinel), LangGraph state routing, multi-agent supply-chain monitoring workflows.
Retrieval & Grounding Hybrid token/vector engines, z-score fusion retrieval, cross-encoder reranking, and deterministic citation validation[cite: 2].
Systems & Backend Depth Custom Kubernetes CRD controllers (Go), edge-native middleware pipelines (TS), async event loops, and optimized PostgreSQL routing[cite: 2].
Competitive Programming CodeChef #6 India / #76 Global, LeetCode Guardian (Top 0.9% globally), Codeforces Grandmaster[cite: 2].
Open Source 35 authored PRs across 22 repositories (14 merged) resolving parser grammar, resource safety errors, and concurrency panics.

Flagship Systems

Project Why it matters
AlgoSentinel Autonomous multi-agent PR review daemon. Profiles changed code functions inside ephemeral Docker sandboxes to map growth curves and catch algorithmic complexity regressions ($O(n) \rightarrow O(n^2)$).
EdgeSentinel Edge-native bot detection engine deployed directly to Cloudflare Workers with sub-10ms overhead. Deploys a 5-tier request classification cascade backed by Durable Objects rate-limiting to eliminate KV state race conditions.
Grounded Support Triage Multi-domain LangGraph orchestration pipeline featuring hybrid vector/BM25 search, unified z-score fusion, and a programmatic verification layer checking hard facts to completely eliminate model hallucinations[cite: 2].
TurboQuant KV Cache PyTorch research implementation reproducing online vector quantization paper. Achieved a 3.3× KV cache compression ratio on GPT-2 Medium with only a +6.1% change in perplexity performance metrics.
MindSafe Privacy-first clinical mental health screening dApp. Runs adaptive inference entirely client-side with zero data persistence, minting cryptographic commitment hashes on-chain via Midnight Network zero-knowledge (ZK) proofs.
sandbox-warm-pool-controller Kubernetes custom CRD controller built in Go that implements a 6-state pod lifecycle pool to pre-warm hardware-isolated runtimes (gVisor/Kata), completely eliminating 1–5s container cold-start delays.

Secondary Implementations: Avia Search, FounderOS, Nexus Feed, PinPoint AI, BTIFIT Platform, AI Traffic Shaper.

Open Source Footprint

🔸 Merged Production Code

Repository PR Area Impact
mem0ai/mem0 #3549 AI Data Infrastructure Engineered and integrated the native Azure AI Search vector database connector layer within the TypeScript SDK core (~646 LOC contribution).
sqlfluff/sqlfluff #7163 Parser Engineering Extended the core PostgreSQL dialect grammar engine rules to properly parse explicit programmatic OPERATOR(schema.op) syntax overrides.
pandas-dev/pandas #62592 Core Test Engineering Developed robust regression test suites safeguarding PyArrow datetime data-type data merges against unexpected duplicate-key drops.
interviewstreet/hiring-agent #133 Performance & Safety Eliminated critical background memory leak vectors by converting raw PyMuPDF file object tracking loops into safe context-managed lifecycles[cite: 2].
interviewstreet/hiring-agent #129 System Robustness Enforced explicit UTF-8 encoding patterns on backend cache file write operations to guarantee Windows file system Unicode execution safety[cite: 2].

🔸 Active Upstream Engineering (Open Review)

  • Telemetry Streaming (kubeflow/sdk#436): Refactoring LocalJob.logs(follow=True) execution loops into native generator streams to remove hidden stdout-blocking side effects and enable real-time training tracking telemetry.
  • Symbolic Mathematics (sympy/sympy#29605): Patching refine_sign() logic architectures to fix assumption handling constraints for unallocated plain variables.
  • Test Correctness (modelpack/model-spec#211): Resolving silent test passes on malformed JSON configuration examples by fixing error variable conditional evaluations.

GitHub stats Top languages

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  1. grounded-support-triage grounded-support-triage Public

    LangGraph support triage across HackerRank, Claude, and Visa corpora. Hybrid BM25+dense RAG, citation critic, eval CLI, production observability.

    Python

  2. EdgeSentinel EdgeSentinel Public

    Cloudflare edge bot-detection middleware — Workers AI, Vectorize fingerprints, Durable Objects rate limits, D1 logs, live threat dashboard.

    TypeScript

  3. kvquant-lab kvquant-lab Public

    PyTorch implementation of TurboQuant (ICLR 2026) & Memory Caching (arXiv:2602.24281) on GPT-2. Evaluates WHT+Asym 4-bit VQ, outlier channel splitting, and recurrent memory soup architectures. Valid…

    Python 1

  4. algosentinel algosentinel Public

    Autonomous PR agent that profiles changed functions in Docker to catch O(n)→O(n²) regressions. Gemini orchestration, 55 tools, FastAPI, eval harness.

    Python

  5. MindSafe MindSafe Public

    Privacy-first mental health screening dApp — in-browser Gemini chat, zero persistence, ZK outcome proofs on Midnight. React 19 + Vite.

    TypeScript 1

  6. sandbox-warm-pool-controller sandbox-warm-pool-controller Public

    Kubernetes warm-pool controller that pre-spawns gVisor/Kata sandboxes to cut 1–5s cold starts. Go, controller-runtime CRDs, Prometheus metrics.

    Go