Shivansh Shekhar

Backend & AI Systems Engineer · India (Remote)

shivanshshekhar11@gmail.com +91-8295016099 shivansh.dev github.com/shivanshshekhar11 linkedin.com/in/shivanshshekhar11

// experience

Experience

SDE 2 · Websmiths (Mohali, India)

Designed and built enterprise Voice AI (ElevenLabs+Stripe) and logistics tracking backends using Turborepo, Hono, Fastify v5, and Drizzle. Built a unified payments gateway using Strategy pattern. Migrated platform authentication to Better Auth.

June 2025 — present

SDE · Mohesu Enterprises (Remote)

Developed a distributed computer vision inference pipeline in Python and RabbitMQ (3x throughput improvement). Integrated a Next.js + Django SMS gateway handling 500k+ daily transactions. Built Telegram e-commerce chatbot.

Nov 2023 — June 2025

// stack

Skills

// languages

TypeScriptJavaScriptPythonSQL

// backend & apis

Node.jsFastifyREST APIsoRPCWebSocketsOpenAPIZodJWTRBACWebhooks

// databases & storage

PostgreSQLpgvectorDrizzle ORMRedisMongoDBS3-compatible storage

// distributed systems

BullMQRabbitMQEvent-driven architectureBackground workersRate limitingMulti-tenant architectures

// ai / llm

LLM gateway designSemantic cachingPII maskingCircuit breakersFallback chains

// infra & tooling

AWS (EC2, S3, Lambda)DigitalOceanDockerNginxGitHub ActionsCI/CDTurborepopnpmGitVitestPlaywright

// selected projects

Projects

Supergate — Multi-tenant LLM Gateway

Production-grade multi-tenant LLM API gateway unifying OpenAI, Anthropic, and Google with pgvector semantic caching and circuit breakers.

Fastify · TypeScript · PostgreSQL/pgvector · Redis

Visit

Pulse — Feature Flag Service

Self-hostable enterprise feature flag service with a custom recursive rule engine and SSE real-time rollouts.

Fastify · TypeScript · Drizzle · Redis · Turborepo

Visit

Define — Type-safe Resource DSL

Open-source TypeScript code generation library producing Drizzle schemas, Fastify validators, and OpenAPI 3.1 specs from a single resource definition.

TypeScript · Drizzle · Fastify · OpenAPI

Visit

// education

Education

B.Tech, Computer Science & Engineering · Kurukshetra University

Bachelors of Technology in Computer Science and Engineering (8.8 CGPA). Kurukshetra, India.

September 2019 — June 2023

// certifications

Certifications

MongoDB Certified Associate Developer · JavaScript

Official certification validating MongoDB data modeling, CRUD operations, and indexing expertise.

Algorithms Specialization · Stanford via Coursera

Rigorous multi-course specialization covering algorithmic design, graphs, data structures, and NP-completeness.