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Chaitanya Parashar

@chaitanyaparashar

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Founding Engineer building B2B payments at Stealth Neobank; built payouts across 16 payment rails and 150+ countries.

India

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At Stealth Neobank, I built the B2B payments platform from scratch, including a payouts engine for 16 local payment rails reaching 150+ countries and 60+ currencies.

I designed the developer API with idempotency keys, FX rate-tolerance checks, and signed webhooks. I also built the business dashboard, hosted payout links, and payment security features.

At Expa Health, I was a founding engineer on the team that built and scaled a B2B AI recruitment platform to $1M ARR in 1 year. I shipped production LLM orchestration, agentic workflows, and hybrid search pipelines.

I also built MatchCheck, a Vedic astrology consultation platform combining a deterministic astronomy engine with a ChromaDB RAG knowledge base. Its architecture keeps chart calculations separate from the LLM, which interprets retrieved, source-grounded rules.

Experience

Work history, roles, and key accomplishments

Current

Founding Engineer

Current

Stealth Neobank

Jun 2026 - Present (4 months)

Built the company's entire B2B payments platform from scratch in 3 months as its founding engineer, owning product design, frontend, backend, DevOps and security end to end. Built the payouts engine with FX-priced payouts and a five-state settlement lifecycle across 16 local payment rails.

B2B Payments Payouts FX Payment Rails DevOps CI CD Cloud Infrastructure Monitoring WebAuthn API Design Idempotency Webhooks

Founding Engineer, Full Stack

Expa Health

May 2024 - Jan 2026 (1 year 8 months)

Founding engineer on a 3-person team that built and scaled a B2B AI recruitment platform to $1M ARR in 1 year; owned the architecture end to end and shipped from zero to production. Built the platform's LLM orchestration, agentic workflows, multi-channel engagement and hybrid search pipelines.

LLM orchestration Agentic Workflows RAG Hybrid Search AI Chatbots MongoDB Spintax Prompt Engineering

Senior Software Engineer

Simpl

Aug 2022 - May 2024 (1 year 9 months)

Built a permissions module from scratch that captures users' sensitive data in compressed, encrypted form on-device, helping onboard 12% more eligible users. Designed a profile-verification flow that raised credit limits and built the Tachyon module for non-credit users.

Permissions Encryption Aadhaar Verification Credit Limits Dashboarding Load Optimization

Software Engineer

Vedantu

Aug 2020 - Apr 2022 (1 year 8 months)

Built in-app search for courses and classes, and added deep linking for live classes, past classes and test series. Consolidated class views into a single reusable UI component and built a video-interaction-based sign-up/sign-in flow.

In App Search Deep Linking UI Components Interactive Video Sign Up Flow

Software Engineer

Jungleworks

May 2019 - Oct 2020 (1 year 5 months)

Built and maintained the delivery-agent mobile app with real-time location tracking and offline support; developed a COVID-19 tracking module from scratch. Built a task-tracking SDK handling 30K+ requests per hour and published an npm package for visualizing delivery tasks on Google Maps.

React Native Location Tracking Offline Support SDK Development NPM Google Maps Eta

Mobile Developer

WESENCE

Oct 2018 - May 2019 (7 months)

Built a React Native school-based social app for student project discussions, and a BLE-device app that collects patient data and syncs it to the server via REST APIs.

React Native BLE REST APIs Social Media Applications