Hamza Baig

Backend Engineer and Site Reliability Engineer experienced in Node.js, Fastify, TypeScript, microservices, and AWS production infrastructure. Designed and operated FridayHQ infrastructure and event-driven media workflows, including the Xander AI assistant. Built enterprise SaaS platforms at X-42 and delivered mobile, web, and content projects for international freelance clients. Bring 2 years of Backend Team Lead experience, with additional experience in React.js and Next.js.

Backend Engineer & Site Reliability Engineer at FridayHQ (42 Media) (2026-03 – Present)

fridayhq.io

• Designed and managed AWS production infrastructure for a media-operations platform supporting project collaboration, messaging, content review, and media workflows.
• Operate an 11-service containerized environment using Amazon ECS, Fargate, Docker, ECR, VPC networking, load balancing, IAM, and Secrets Manager.
• Support deployment and observability workflows with Terraform, GitHub Actions CI/CD, CloudWatch, Grafana, and Slack alerting.
• Designed and supported event-driven media pipelines using S3, EventBridge, SQS, Lambda, Step Functions, DynamoDB, and SNS for uploads and video processing.
• Contributed to Xander, a TypeScript/Fastify AI-assistant backend integrating MongoDB, Gemini/OpenAI, S3, and background workers; implemented discussion reply capabilities.

Backend Developer at X-42 (2024-10 – Present)

Technology company building enterprise SaaS solutions for restaurants, retail, and financial systems. x-42.ai

• Develop scalable backend services using Node.js, Fastify, TypeScript, and microservices architecture.
• Delivered core modules for POS, KDS, reservations, scheduling, and inventory.
• Built payroll and attendance with facial recognition, PIN verification, and shift management.
• Integrated Stripe Connect for payments, transfers, and multi-branch payouts; engineered double-entry accounting with journals, ledgers, and reconciliation.
• Implemented multi-tenant, multi-branch, and role-based permission logic; optimized performance with caching, indexing, and query tuning.

Freelance Full Stack / React Native Developer at Independent Client (2025-12 – 2026-10)

• Built a cross-platform property rental and sales management application with Expo, React Native, TypeScript, and Expo Router for iOS, Android, and web.
• Developed Node.js/Express REST APIs backed by PostgreSQL for properties, people, tenancies, rent, maintenance, transactions, and tasks.
• Implemented JWT authentication, bcrypt password hashing, role-based access controls, an OpenAI-powered assistant with knowledge retrieval and document ingestion, dashboards, notifications, and mobile form validation.

Backend Engineer at SMRTBooking (2023-12 – 2024-09)

• Developed backend services for a property-booking platform similar to Booking.com using TypeScript, Fastify, MongoDB, and MySQL.
• Built REST APIs and data models for properties, rooms, amenities, locations, nearby places, and booking workflows.
• Integrated Stripe payments and webhooks to synchronize booking and payment statuses; implemented property listings, room search, and reservation management.

Freelance Full Stack Developer & Content Writer at Fiverr & Upwork (2021 – 2023)

• Delivered software projects for clients across multiple countries through Fiverr and Upwork.
• Built a live prayer-time application for users in the UK using React Native and Node.js.
• Developed a food-delivery system for a UK restaurant.
• Built a hotel management system for hotel operations.
• Provided content-writing services for clients.

Senior Full Stack Developer at Needrd (2020-11 – 2021-05)

Global technology company providing software solutions for healthcare and enterprise management.

• Developed Node.js backend features for a Hospital Management System, Electronic Medical Records (EMR) platform, and Smart HR system.
• Built secure REST APIs, data models, and business logic for patient workflows, staff management, and administration.
• Integrated third-party services for authentication, notifications, and data synchronization; optimized database queries and high-traffic endpoints.
• Contributed to React Native mobile application feature development and UI enhancements.

Full Stack Developer at Hill Desk (2019-02 – 2020-02)

Software house specializing in custom web applications and business solutions.

• Developed responsive web applications using HTML, CSS, Bootstrap, JavaScript, and jQuery.
• Worked on backend development using PHP, MySQL, and Node.js for client projects.
• Collaborated with designers and team leads to deliver user-friendly interfaces and functional web modules.

BS in Computer Science – UET Lahore (New Campus), Lahore, Pakistan (2017-10 – 2021-06)

Intermediate in Pre-Engineering – Punjab Group of Colleges (2015-03 – 2017-03)

Matric in Computer Science – Milli Foundation High School (2013-03 – 2015-03)