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MAYANK SONI
—Work

Roles, systems shipped, and teams worked with over the years.

Jun 2025 — present

Software Engineer at dSilo.ai

dSilo.ai (opens in a new tab)

Building dashboards and validation tools for AI document extraction.

  • —Built a Dashboard Builder for tracking model confidence scores, document throughput and extraction accuracy.
  • —Developed a validation engine that compares AI-inferred table data against user overrides in real time.
  • —Used TanStack Query to manage server state and cache document data across async LLM extraction pipelines.
  • —Mapped OCR coordinates and visualised model-predicted layout fields with React and PDF.js.
  • React
  • TypeScript
  • TanStack Query
  • PDF.js
  • Node.js
Feb 2022 — Jun 2025

Full-Stack Web Developer at Independent Contractor

Built and ran web products end to end for clients.

  • —Designed and delivered a production MERN app from scratch, owning infrastructure, data modelling and API design.
  • —Provisioned and managed AWS infrastructure (EC2, S3, Elastic Beanstalk, Lambda, CodePipeline) for multiple clients.
  • —Built a financial RAG app with LangChain and LangGraph for querying large 10-K reports through chat.
  • —Integrated Stripe for client onboarding and end-to-end payments.
  • Node.js
  • React
  • MongoDB
  • AWS
  • LangChain
  • Stripe
Mar 2021 — Feb 2022

Backend Web Developer at AJM Softwares

Backend work on inventory, HR and marketing modules. Joined as Associate Web Developer.

  • —Delivered a tag management system for classifying products across categories, core to inventory management.
  • —Integrated QuickBooks into the employee management module.
  • —Integrated the Sumsub SDK for automated KYC/AML identity checks at onboarding.
  • —Built a price-comparison scraper with Beautiful Soup and a SendGrid email campaign module.
  • Node.js
  • Python
  • MySQL
  • SendGrid
  • QuickBooks
Jan 2019 — Jan 2020

Team Lead (volunteer) at Google Developer Student Clubs

Ran technical workshops on Google developer tools.

  • —Planned workshops with DSC region leads and campus heads, leading a team of 4.
  • —Mentored 200+ students and faculty through hands-on JavaScript sessions.
  • JavaScript