MUHAMAD REZA
MUKTASIB
Software Engineer specializing in backend systems, distributed microservices, and WebRTC streaming. Experienced scaling enterprise WMS across 24+ warehouse hubs and high-concurrency SaaS.
SELECTED WORKS
Production platforms, enterprise logistics, and real-time WebRTC pipelines.
Procspy: Open-Source Automated Proctoring Platform
Final Year Project at PENS. Engineered an automated exam proctoring platform with Mediasoup WebRTC, custom WebSocket protocols, and an open-source Chrome extension detecting tab switches and window focus.
Exzam.id: Multi-Tenant Online Examination System
Developed a high-concurrency multi-tenant online assessment platform. Integrated Procspy WebRTC proctoring, payment gateway subscriptions, and optimized MySQL database queries to support 120 concurrent examinees.
Invitasi.click: Digital Wedding & Event Invitation SaaS
Engineered a modern digital invitation platform allowing clients to create personalized event websites. Features dynamic RSVP tracking, guest check-in via QR codes, background ambient audio, and payment integration.
Tixku.com: Cloud Event Ticketing & Admission System
Architected a scalable event ticketing SaaS for organizers. Supports tier-based ticket inventory, real-time ticket checkout with automated payment gateways, and lightning-fast gate admission scanning.
Paragon Enterprise Warehouse Management System (WMS)
Engineered backend microservices and database operations for PT. Paragon Technology and Innovation, scaling batch inventory tracking across 24+ physical warehouses handling tens of thousands of monthly transactions.
Mufko App: Mobile Backend & Cloud Infrastructure
Architected GraphQL APIs with Laravel Lighthouse consumed by Flutter mobile clients. Managed AWS infrastructure, Docker containerized services, and automated CI/CD deployment pipelines.
WHAT I'M CURRENTLY DOING
Active degree advancement, independent SaaS product engineering, and security operations.
D4 Informatics Engineering @ PENS
Focusing on distributed backend architecture, real-time protocols, and WebRTC streaming algorithms. Progressing from previously completed D3 Associate Degree with top honors (GPA 3.94 / 4.00) and IISMA 2024 Global Scholar at Hanyang University, South Korea.
Building & Scaling SaaS Apps
Digital wedding & event invitation SaaS with custom interactive themes, instant RSVP tracking, and guest QR check-in.
Ticketing & admission management platform with automated payment gateways and rapid QR verification.
DevSecOps @ Exzam.id
Directing cloud infrastructure and security for online proctored examinations. Hardening Linux container fleets with Docker, automating CI/CD security scanning, and scaling WebRTC media server clusters for anti-cheat verification.
WORK EXPERIENCE
Proven track record in high-scale enterprise engineering, WMS platforms, and cloud infrastructure.
Mid Level Backend Engineer
Contributing to the development and scaling of an enterprise Warehouse Management System (WMS) using JavaScript (Node.js/Express.js) and PostgreSQL, integrated with ERP and SAP ecosystems.
- ❯Implemented Batch Management features across 24+ active warehouses, improving inventory traceability and operational consistency.
- ❯Developed RESTful backend services and integration modules for real-time synchronization of warehouse operations, logistics workflows, and product batch data between WMS and SAP.
- ❯Optimized backend business logic and database operations to support high-volume warehouse transactions while maintaining system reliability and performance.
- ❯Supported warehouse operations handling tens of thousands of monthly transactions.
Mid Level Backend Engineer
Developed and maintained enterprise web applications using AngularJS, Java, Spring Boot, and microservices architecture across business-critical platforms.
- ❯Assigned to Sompo Insurance Indonesia, developing and enhancing insurance platform features, implementing secure service integrations, and maintaining backend microservices.
- ❯Assigned to Biomedilab Klinik, developing healthcare application features, optimizing REST APIs and database performance, and improving system reliability for clinical workflows.
- ❯Designed and implemented RESTful APIs and service integrations including Midtrans payment gateway integration.
Fullstack Developer
Developed Exzam.id, a multi-tenant online examination platform using Laravel, React.js, and MySQL, serving 1,000+ users across schools and universities.
- ❯Built frontend features with React.js and backend services with Laravel, implementing authentication, exam management, subscription workflows, and RESTful APIs.
- ❯Designed reusable React components and optimized application architecture to improve development efficiency by 40%.
- ❯Integrated WebRTC-based automated proctoring, supporting 1,000+ concurrent audio/video streams for real-time exam monitoring, alongside Midtrans payment gateway.
Backend Engineer & DevOps
Developed GraphQL APIs with Laravel (Lighthouse GraphQL) consumed by a Flutter mobile application serving 4,100+ daily active users.
- ❯Built and optimized backend services, GraphQL resolvers, and database queries to improve performance and scalability.
- ❯Produced and maintained interactive API documentation using Scalar, enabling efficient collaboration with mobile developers.
- ❯Managed AWS cloud infrastructure, containerized services with Docker, and automated deployment pipelines for reliable production releases.
Freelance Web Developer
Delivered 10+ fullstack web and mobile applications using React.js, Laravel, Python, and Flutter for clients across education, retail, logistics, and business management.
- ❯Built end-to-end solutions including an AI-powered web application, SIM Kampus (Campus Information System), Flutter-based attendance app, POS Management System, and a WMS for GlepungJowo.com.
- ❯Deployed and maintained production applications on cloud infrastructure, ensuring reliability, security, and maintainability.
Intern Web Developer
Maintained and enhanced Diakademik, an education management platform built with Laravel, Blade, and React.js, serving 2,000+ students and staff.
- ❯Translated Figma designs into responsive user interfaces using Laravel Blade, React.js, and Tailwind CSS.
- ❯Refactored legacy Laravel code and optimized frontend components to improve application performance and maintainability.
Politeknik Elektronika Negeri Surabaya (PENS)
Top graduate honor. Specialization in distributed systems, real-time networking protocols, and WebRTC streaming algorithms.
Hanyang University, South Korea
Fully funded by the Ministry of Education. Studied advanced computer science, cloud computing, and collaborated on cross-border engineering projects in Seoul.
TECHNICAL ARSENAL
Explore hands-on GitHub repositories and implementation source code across TypeScript, JavaScript, Go, Python, and enterprise frameworks.
Procspy WebRTC Media Server↗
SFU media server handling ultra-low-latency bidirectional WebRTC audio/video feeds for automated proctoring.
Procspy Backend API↗
Core backend service for Procspy built with Hexagonal Architecture (Ports & Adapters) for isolated testing and modularity.
AI CV Evaluator↗
AI-powered resume evaluation engine using Next.js, OpenAI + LangChain, Pinecone vector search, AWS S3, and Drizzle ORM.
TypeScript Hexagonal Boilerplate↗
Node.js + TypeScript clean architecture starter demonstrating Ports & Adapters pattern with authentication API.
Momento Photobooth App↗
Interactive browser photobooth application designed with intuitive camera controls, real-time filters, and instant sharing.
QR Digital Signature↗
Cryptographically verifiable QR code digital signature generator and validation suite for tamper-proof documents.
Trakteer Web3 Donation↗
Web3 creator tipping and micro-patronage platform built with Next.js, ethers.js, and smart contract integration.
WebRTC Performance Test Suite↗
Automated load testing and packet loss benchmarking framework for high-throughput WebRTC media streams.
Gamespace Community Platform↗
Gamer community web application built with React.js and Firebase Realtime Database for discussions and matchmaking.
Frontend Kasir Next.js↗
Rapid 24-hour hackathon build for a point-of-sale retail cashier terminal with cart state and thermal receipt layout.
Quiz App REST Engine↗
High-performance RESTful API backend engineered in Go for concurrent quiz handling and instant score calculations.
Golang Fundamental Lab↗
Curated idiomatic Go implementations covering goroutines, channels, interfaces, pointers, and memory mechanics.
Lost & Found MongoDB API↗
Python Flask REST microservice with MongoDB database handling item discovery, spatial filtering, and user claims.
Herbal Plant Disease Predictor↗
Computer vision and machine learning inference API classifying botanical leaf diseases with image preprocessing.
Computer Vision OpenCV Lab↗
Image processing algorithms, contour extraction, edge filtering, and real-time webcam frame manipulations.
Competitive Coding Repository↗
Algorithm implementations for graph theory, dynamic programming, tree traversals, and greedy problem solving.
PENS Lupis Academic Portal↗
Campus activity & student service management backend with role-based access control, MySQL queries, and Blade.
Pengabdian Management Portal↗
Higher education community service grant management platform with proposal workflows, review stages, and budgeting.
Backend Kasir Lumen API↗
Microframework REST API built with Lumen for rapid point-of-sale inventory adjustments and transaction processing.
Hotel Management Desktop Suite↗
Enterprise Java OOP desktop system for hotel room reservations, billing calculation, and customer record lifecycle.
Java MongoDB GUI Integration↗
Native Java application connecting Swing desktop UI to remote MongoDB cluster with document indexing and mutations.
Explore all 40+ public repositories, competitive algorithms, microframeworks, and Docker environments on GitHub.
GET IN TOUCH
Currently open for Full-Time Backend / Fullstack positions, distributed systems architecture, and engineering consulting.