DM

01 / projects

Projects

A selection of production backend, SaaS, and automation systems I've designed, refactored, or shipped end-to-end.

Portfolio of software engineering projects by Digen More — Node.js, NestJS, TypeScript, PostgreSQL, MongoDB, Supabase, and Puppeteer work across FinTech, SaaS subscription platforms, e-commerce backends, gov-tech automation, real-time safety applications, and high-traffic gaming systems.

01 · SaaS

Nexus

Subscription Management Platform

Apr 2026 — Present
  • Migrating a legacy Python + PostgreSQL system to a modern Next.js + MongoDB architecture.
  • Building a multi-tenant subscription management platform that enables centralized handling of tenant users, subscription lifecycles, and billing operations across multiple payment/billing partners from a single unified system.
Next.jsMongoDBPythonPostgreSQL

02 · E-commerce

Mishvarya Sarees

Freelance E-commerce Backend

Mar 2026 — Present
  • Built a scalable backend API for a saree e-commerce platform.
  • Implemented production-grade authentication and security features including JWT authentication, secret rotation, account lock protection, request validation, and secure role-based access control.
  • Designed the application using a modular architecture with structured routes, controllers, services, middlewares, and MongoDB/Mongoose data access layers for maintainability and scalability.
  • Handled VPS deployment, Nginx reverse proxy configuration, PM2 process management, CI/CD workflows, and production server setup.
Node.jsExpress.jsTypeScriptMongoDBNginxPM2

03 · FinTech

KanmonOS

Embedded lending platform powering term loans, lines of credit & invoice financing for vertical SaaS

Jan 2025 — Nov 2025
  • Contributed to Kanmon (kanmon.com) — an embedded lending infrastructure that lets vertical SaaS platforms (professional services, practice management, digital supply chain, and industry-specific business management software) offer term loans, lines of credit, and invoice/trade financing to their SMB customers without leaving the host platform.
  • Worked across backend and frontend on the customer onboarding and lending lifecycle: queue management, Persona-based KYC/identity verification, Astra payment processing, and state-machine logic driving application, underwriting, disbursement, and repayment stages.
  • Helped keep the platform compliant and low-risk for partners by implementing well-bounded modules, idempotent workflows, and predictable state transitions across the embedded lending flow.
Node.jsNestJSPostgreSQLAstra Payment

04 · Automation

BiroClick

Bank letter & damage-claim automation

Nov 2025 — Dec 2025
  • Built Supabase Edge Functions to automate bank-letter and damage-claim document generation with OpenAI, removing manual drafting effort.
  • Integrated Cardcom payment processing and EmailJS for secure, automated transactional document delivery.
SupabaseEdge FunctionsOpenAIPostgreSQL

05 · Gov-Tech

E-Nagar Palika Automation

Government form submission via headless browser

Dec 2025
  • Automated government form submission with Puppeteer driven by JSON inputs — users submit complex forms via headless browser execution.
  • Hardened workflow reliability through controlled browser sessions, validation handling, and retry mechanisms.
Node.jsPuppeteerHeadless

06 · Real-time

AlerteUnite

SOS safety application — Haiti

Oct 2024 — Dec 2024
  • Built backend APIs for an SOS safety platform supporting real-time emergency alerts and incident reporting.
  • Integrated WhatsApp Web API, Firebase Cloud Messaging, and Google Maps for live notifications and location tracking.
Node.jsPostgreSQLFirebaseGoogle Maps

07 · Gaming

Trump Challenger

High-traffic gaming platform refactor

2024
  • Refactored the NestJS backend for stability, performance, and clearer code organization on a high-traffic gambling platform.
  • Implemented bet calculation logic to accurately compute and display win/loss outcomes.
NestJSPostgreSQL