Full-Stack Software Engineer with 6+ years building and scaling production web applications, including shipping and operating a complete platform independently from concept to production. Deep frontend expertise in React, Elm, Angular; strong backend via Golang & Node.js (RESTful APIs, high-concurrency systems, Docker, JWT). API collaboration across all roles, including 4+ years at Paack. Passionate about clean code, functional programming, and scalable system design.

Independent Software Engineer Jul 2024 – Present

• Built and launched Rishta Center, a production matchmaking platform serving the Pakistani community — sole engineer handling all phases from spec/PRD and UI/UX through full-stack development to deployment
• Architected zero-cost infrastructure on Cloudflare (Workers, D1, R2, Images) with trunk-based CI/CD, automated Drizzle ORM migrations, isolated prod/staging/preview environments, and PageSpeed Insights scores of ~90 performance / 100 across all other metrics
• Designed "Give-to-Get" community model with rate-limited contact reveals (5/day), anti-scraping protections, and audit logging to prevent commercial data harvesting
• Built 100% Urdu RTL interface with mobile-first responsive design, dual-script input (Urdu/Roman Urdu), and accessibility optimized for older users
• Engineered 1:N multi-profile schema (up to 3 profiles/user) with gender-aware photo logic, Cloudflare Images face-cropping, and admin-only CSV bulk-upload for canonical data seeding
• Built multiple portfolio projects (CollabSpace, Tickets Hive, Bookmarks Manager API) demonstrating event-driven architectures with Inngest, high-concurrency systems with BullMQ/Redis, multi-tenancy with Better Auth, and idiomatic Golang API design

Software Engineer - Frontend @ Paack (Remote) Jul 2020 – Jun 2024

• Developed and maintained features for internal dashboards using Elm, collaborating with backend teams on API design and integration for microservices
• Evolved Paack-UI in-house design system for consistent, high-quality UX
• Championed functional programming for predictable, testable code

Software Engineer - Frontend @ Motive (formerly KeepTruckin) (Lahore) Jul 2019 – Jul 2020

• Enhanced internal dashboard with Angular & TypeScript to boost operational efficiency

Software Engineer @ Arbisoft (Lahore) Feb 2019 – Jun 2019

• Enhanced client discussion board with Node.js backend features and performance improvements

Frontend Engineer @ Wavetec (Lahore) May 2018 – Jan 2019

• Led React-based queue management simulator for client strategy modeling

Associate Product Engineer @ Qubit (Lahore) Nov 2017 – Apr 2018

• Built React portal for previewing personalization recommendations

CollabSpace - Full-Stack Project Collaboration Platform

• Engineered a collaboration platform using Next.js (App Router, RSC, Suspense), TypeScript, and tRPC for end-to-end type safety
• Implemented multi-tenancy (Workspaces) using Better Auth Organizations, enabling secure user roles and permissions management
• Developed event-driven background jobs for automated notifications and invitations using Inngest
• Designed a scalable relational schema with PostgreSQL and Drizzle ORM, ensuring high data integrity and performance

TicketsHive - High-Concurrency Event Booking System

• Architected async queue-based system handling extreme concurrency scenarios with zero overbooking guarantee
• Reduced API response latency using BullMQ/Redis job queues and async processing for immediate user feedback
• Implemented version-based optimistic locking in PostgreSQL, enabling significantly higher throughput and eliminating database lock contention
• Built production-ready monorepo with Turborepo, Docker, OpenAPI documentation, and horizontal scaling architecture
• Designed comprehensive error handling, load testing suite, and graceful shutdown for production resilience

Bookmarks Manager API (Golang)

• Designed secure, performant RESTful API in Golang using standard library
• Implemented clean, layered microservice architecture for scalability and maintainability
• Used SQLite for data storage with efficient raw SQL queries for CRUD operations
• Secured endpoints with JWT authentication and bcrypt password hashing

• Programming Languages, Part A & B – University of Washington

• 📧 muhammadsackib@gmail.com
• 📞 +92 315 0776708 (GMT+5)
• 🔗 linkedin.com/in/segfaulter

Open to full-stack, backend, or system design roles. Always learning — currently exploring distributed systems, event-driven architectures, and scalability patterns.