Harshdeep Singh Mudhar

Full-stack Web Developer

Backend architecture, real-time systems, multi-tenant platforms, and payment/financial integrations.

Jalandhar, Punjab, India

Full-stack developer with 6+ years building production Laravel/Vue applications—backend architecture, real-time systems, multi-tenant platforms, and payment integrations across SaaS, e-learning, fintech, and logistics.

Languages

  • PHP
  • TypeScript / JavaScript
  • Rust
  • Python

Backend

  • Laravel
  • Rust (Axum)
  • PostgreSQL
  • Redis
  • WebSockets

Frontend

  • Vue.js
  • React
  • Capacitor

DevOps & Integrations

  • Docker
  • Nginx
  • GitLab CI/CD
  • Stripe
  • Keycloak
  • Cloudflare

Software Developer (IT & Internal Systems) · Apexx Gold Mining Equipments

Oct 2025 – Present

Architecting internal software suite supporting scale from ~100 to 200+ employees across operations, sales, training, and communications.

  • Built Drawing Management System for engineering drawings (PDFs, images, 3D models) with view-only access—downloads and printing disabled for security.
  • Developed Machine Management App (web + mobile) for equipment tracking; distributed to external buyers as a client portal with offline-first outbox sync.
  • Built real-time Chat Platform (WebSockets, push) with channels, attachments, and cross-app references (tasks, machines).
  • Developed Marketing Messenger (Gupshup bulk campaigns), Task Management, and ISO 9001-aligned Training Module for company-wide skill tracking.
  • Configured Keycloak SSO and WhatsApp OTP auth across all apps; built Ralicoan Batteries dealer app (Capacitor) and Filament admin panel.

Backend Developer · Akaal Creatives

Jun 2020 – Oct 2025

CourseDesk

2023 – 2025
  • Led backend and significant frontend for a Canadian real estate e-learning platform: 2,500+ daily active users, ~250 new sign-ups/month.
  • Built adaptive quiz engine, Stripe subscriptions (partial payments, tax, discounts), and Rust (Axum) multi-province auth with TOTP.
  • Embedded Zoom classrooms in-browser; BunnyCDN video delivery and shared media library.
  • On-call for Oracle VPS deployment health and GitLab CI/CD pipelines.

EduCoven

2024–2025
  • Built full backend for a multi-sided immigration platform connecting students, Australian universities, and recruitment agents.
  • Financial core: multi-year payment plans, pro-rata commissions, Stripe collection, weekly payouts, and double-entry accounting with bank reconciliation.
  • In-app document signing and agent–university agreement system requiring signed contracts before student submissions.

Transport Job Auction Platform

2022
  • Built real-time B2B transport auction backend in a team of under 10, with minimal senior support.
  • Tracked 5,000–10,000 concurrent deliveries; Redis-batched GPS updates and WebSocket live bid/position updates.
  • PostgreSQL row-level locking for concurrent bid resolution; 400–500 new jobs a day.

Client Helpdesk Portal

2024
  • Built helpdesk web app for company clients to report issues and request features.

WordPress Maintenance & Early Development

2020–2021
  • Maintained and updated client WordPress sites during initial remote period; transitioned to backend Laravel development in 2021.

B.Tech in Computer Science · GNDU Regional Campus, Jalandhar (2016 – 2020)

  • AWS Certified Developer – Associate (In Progress, Coursera)