~ / whoami
01 / 07

// identity record

Chitransh
Saxena

GenAI & Distributed Systems Engineer

I build production GenAI systems — RAG, embedding engines, synthetic data — on enterprise-scale distributed infrastructure. Seven years making large systems behave; lately, making them understand.

handle@chitransh-saxena
roleSr. Staff SWE — IBM
focusRAG · embeddings · streaming
baseBangalore, IN
exp7 yrs · 3+ in GenAI
toolingClaude Code daily, 1.5+ yrs
status◉ open to hard problems

// live telemetry · fetched real-time

··leetcode solved
··github commits
··public repos
··site visits

◉ live from leetcode + github · visits counted across both domains

// experience.ledger — click a row to expand

#orgroleperiodlocsignal

watsonx Code Assistant for Z — configurable SaaS embedding & RAG platform · Go codebase

  • Architected & led (4 devs · 2 QEs) an end-to-end embedding + RAG pipeline ingesting 8K+ code pairs, 50+ docs (500+ pages each) and 250+ runtime examples.
  • Integrated SPLADE learned-sparse retrieval after a deep BM25 study → +35% recall@20 with sub-second hybrid inference.
  • Prototyped vector search on MilvusDB (HNSW + quantization, IVF, <900ms inference), then ported to a hybrid Elasticsearch on x86 + OpenSearch on s390x (IBM Z) stack — dual-architecture, dual-store.
  • Redis Streams backbone at sub-100ms / 99.95%; novel LSP-based chunking over 10K+ artifacts via custom MCP tools.
  • Re-architected a monolith → 90% reuse, 100% throughput; adopted by 4+ teams. ★ Star of the Month in 2 months.
  • Synthetic-data pipeline: 50K pairs from 5K (10×), TDD-validated, for LLM extended pre-training.
  • Shipping it in Go (Golang) — actively leveling up the language on the job.

GoRAGSPLADEMilvusDBElasticsearchOpenSearchs390xRedis StreamsMCP

Fault-tolerant event-driven stream processing at retail scale

  • Stream platform sustaining 1.5M txns/day @ 50 TPS on 3-broker Kafka (RF=3) — exactly-once, DLQ isolation, 99.99% SLO.
  • Cut p99 consumer lag 2s → 0.5s; collapsed 15+ queries into 3; wire format −67% (150 → 50 bytes).
  • Plugin framework for 50+ event types / 15+ topics (Strategy/Factory/Decorator + Resilience4j).
  • 12+ autoscaled microservices on K8s; MERN control plane cut releases 7–10 days → 45s across 20+ repos.
  • Led SRE P1 response → MTTR −40% (centralized logging + Jaeger tracing).

KafkaExactly-onceKubernetesResilience4jJaegerMERN

Decomposing monoliths, squeezing C++ pipelines

  • Decomposed 3 monoliths → distributed microservices w/ leader election → throughput +60% (100 → 160 RPS).
  • Re-engineered latency-critical C++ pipelines −55% (20s → 9s) across 15K+ LOC — profiling, leak elimination, hot-path restructuring; owned on-call.

C++MicroservicesLeader electionOn-call

edu — B.Tech Information Technology · SRM Institute · 2015–2019 · 88%

// stack.matrix

idxdomaincompetenciesn
00GenAI / MLRAGEmbedding modelsSemantic & hybrid searchBM25 / SPLADERe-rankingMultimodal ingestSynthetic dataFine-tuningPrompt engAgentic codingMCP11
01Retrieval / ANNFaissHNSWIVFQuantizationANN indexingHybrid retrieval06
02DatabasesPostgreSQLMS SQL ServerMongoDBElasticsearchOpenSearchMilvusDB06
03Streaming / DistributedApache KafkaRedis StreamsExactly-onceEvent-drivenDLQsMicroservicesLeader electionCircuit breakersHASRE & observability10
04FrameworksSpring BootSpringResilience4jgRPCREST APIsNode / ExpressReact07
05LanguagesJavaPythonC++GoSQLNoSQL06
06InfrastructureKubernetesDockerHelmAzureGrafanaPrometheusJaeger07
07Personal / Self-hostedGitHub SCMGitHub ActionsGitHub IssuesGitHub ProjectsCloudflare DNSCloudflare WorkersCloudflare Zero TrustWAF / SSLOracle Cloud · OCIDockerTerraformWrangler12

// projects.index · 2 live, more incoming

#projectstackstatuslinks
01deadlock-dinner 🍝 Interactive, kid-friendly visualization of the Dining Philosophers problem — locks, mutexes, semaphores & deadlock come alive, with real Java & Go code.JavaScript · concurrency viz● LIVElive ↗ code ↗
02trivela ⚽ A free-kick game that makes the Magnus effect impossible to misunderstand — curl it round the wall into the top bins. Vanilla web component, embeddable; lives in ~/arcade.JavaScript · canvas · physics● LIVElive ↗ code ↗
03project-threesomething with range — distributed toy / viz / tooltbd · tbdPENDINGlive code

// how i build

I ship with Claude Code in the loop.

For 1.5+ years it's been my default tooling — agentic coding, custom MCP servers, rapid POCs across enterprise & personal work. I hold the architecture and the taste; it holds the boilerplate. More shots on goal.

  • POCs in hours, not weeks
  • Custom MCP tools wired into real data
  • Tests-first, even for throwaways

↳ this console was designed & shipped with Claude Code, served from Cloudflare's edge.

// retrieval pipeline — live
ingest chunk·LSP embed es · os retrieve
chitransh@edge — claude
~/portfolio claude "rebuild as a console"
✓ blood-red CRT theme + Syne / Spline Mono
✓ view-router w/ back/forward history
✓ ledger + stack matrix tables
→ shipped to the edge
~/portfolio ▍

// open channel

Got a hard problem in
GenAI or distributed systems?

→GitHubgithub.com/Chitransh-Saxena ↗
→LinkedInlinkedin.com/in/chitransh22 ↗
→LeetCodeleetcode.com/u/chitransh22 ↗
▦Résumépreview · download pdf ↓

// arcade — concept & hobby games · 1 online