Bishnu P. SahuBPS
03 · ExperienceProduction Architecture & Engineering RolesSix Track Records

Track Record

Extensive track record building and scaling commercial production software: full-time lead engineering at Vaniki Crop Science, core architecture for Zexton / Centralized Medical Solutions / ONCorg, and enterprise fuel/hospitality systems.

  • Vaniki Crop Science◆Zexton / Centralized Medical / ONCorg◆Indraprastha Petroleum◆Kea By The Pool & TheMark POS◆Supabase OSS◆CogniAble◆
May 2026 –
Present

Full Stack & Android Developer

Vaniki Crop ScienceFull-time · Remote
  • Sole developer of the company's agrochemical e-commerce and dealer platform (50+ dealers, 100+ orders a month): 6 React Native Android APKs and 3 React web portals in a TypeScript monorepo (Turborepo).
  • Engineered StaffTrack: a dedicated field workforce tracking APK with real-time GPS location tracking, automated geofenced attendance, and daily activity logs.
  • Shipped Vaniki Crop Partners dealer app and customer apps to Google Play via EAS Build, with automated Tally ERP XML accounting sync.
  • Built high-throughput Node.js/Express REST API on MongoDB with JWT auth, Zod validation, Redis/BullMQ job queues, and Razorpay payment escrow.
Jun 2024 –
Present

Software Engineer & Systems Architect

Zexton / Centralized Medical Solutions / ONCorgPart-time · Production Infrastructure
  • Architected and built the entire software ecosystem for Zexton Software Solutions (operating as Centralized Medical Solutions and ONCorg): 17+ production platforms across Linux (Nginx, PM2, MongoDB, PostgreSQL 16) and Windows Server (IIS, MS SQL Server).
  • Secured 9 US Copyright Office Registrations for core proprietary architectures including ONCorg Healthcare Network (TX-9-102-488), POC Consults (TX-8-941-205), ChurchWebsite (TX-9-106-201), CollegeMobi (TX-9-109-504), Organic & Organic (TX-9-108-403), E-Blast Portal (TX-9-107-302), and Zexton Enterprise (TX-8-755-312).
  • Delivered Drevo Wheels end-to-end: Next.js booking engine, admin panel, Razorpay deposits, and 2 React Native Android APKs on Google Play.
  • Engineered Optavise (comparing 35+ US insurance carriers), SCM Supply Chain, PressPlay Media, and Biomed Asset CMS.
2026

Lead Systems Architect & Developer

Indraprastha PetroleumContract · Full Production Suite
  • Engineered complete enterprise petrol pump automation software: 4 specialized Android mobile APKs (Admin, Manager, Staff Nozzle Operator, Customer Loyalty) + 3 web portals (Superadmin, Station Ops, Auditing).
  • Automated nozzle fuel metering, underground tank dip level calculations, multi-shift cash/digital reconciliation, and B2B credit party ledger billing.
2026

Full Stack Engineer — Hospitality POS

Kea By The Pool & TheMark Hotel POSProduction Deployment
  • Built production restaurant POS for Kea By The Pool: real-time table floorplan layout, kitchen order ticket (KOT) routing, and waiter ordering.
  • Engineered TheMark Hotel POS: room reservation engine, guest check-in/out folios, inventory control, and payment settlement.
Jan 2026 –
Present

Open Source Contributor

SupabaseRemote · Python SDK
  • Resolved a critical storage URL initialization bug in supabase-py that blocked 100% of storage client operations.
  • Authored 12+ integration tests across synchronous and asynchronous clients covering all base-URL edge cases, establishing production test coverage.
Feb 2024 –
May 2024

Computer Vision Intern

CogniAbleRemote
  • Developed real-time human detection and multi-subject tracking pipeline using YOLOv8 + Deep SORT on live camera feeds.
  • Maintained 95%+ tracking accuracy through dense occlusion, cross-over visual overlap, and lighting variations.