About

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huzaifa@tech: ~/about
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Experience

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  1. Mar — May 2025

    Junior Back-End Developer · Texinity Technologies (SMC-PVT) LTD.

    Supported the maintenance of NestJS and GraphQL codebase for Socials Board, writing efficient resolvers and ensuring data consistency with MongoDB. Collaborated with the frontend team to troubleshoot cross-stack bugs, including fixing critical asset rendering issues in transactional emails and resolving API integration conflicts during the launch phase.

    • NestJS
    • GraphQL
    • MongoDB
    • TypeScript
    • Microservices
    • API Optimization
    • Back-End Architecture
  2. Jan — Mar 2025

    Back-End Development Intern · Texinity Technologies (SMC-PVT) LTD.

    Led SQA efforts by creating black-box test cases using Selenium and applied technical SEO to server-side rendering logic. Completed an internal Capstone Project (Personal Finance Tracker) using the NestJS/GraphQL stack, designing complex Mongoose schemas to validate transaction data and calculate real-time balance updates securely.

    • SQA
    • Selenium
    • Mongoose ODM
    • SEO
    • User Authentication
    • Schema Modeling
  3. Feb — Dec 2024

    Freelance Software Engineer · Freelance

    Developed multiple Java-based projects using JavaFX. Analyzed datasets using data processing techniques in Python, including variance calculation, cosine similarity, and data consistency validation. Implemented a client-server network infrastructure using VMs, including Active Directory, DHCP, file sharing, and user/group management.

    • JavaFX
    • Python
    • Data Analysis
    • Data Processing
    • Client-Server Architecture
    • Network Infrastructure

Open Source

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  1. Jan 2026 — Present

    Open Source Contributor · LocalStack

    Contributing to the core open-source platform, resolving issues across the codebase to improve functionality, stability, and documentation for the local cloud development community.

    EC2 & Terraform: Implemented the association.association-id filter for DescribeNetworkAcls. Intercepted upstream Moto requests to fix 501 Not Implemented errors and prevent crashes in Terraform workflows.
    Documentation: Fixed broken relative pathing in CONTRIBUTING.md, resolving 404 errors for internal documentation links.

    • Docker
    • AWS
    • DevOps
    • Cloud
    • Python
  2. Jan 2026 — Present

    Open Source Contributor · Lichess Mobile

    Contributing to the official mobile application (Flutter/Dart) serving millions of active users.

    Accessibility: Implemented MergeSemantics on the welcome screen to fix TalkBack skipping text spans for visually impaired users.
    Logic Refactoring: Decoupled navigation state from game-pause logic to enable "Back to Tournament" functionality during live matches.

    • Flutter
    • Dart
    • Mobile Development

Projects

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  • DevOps Portfolio

    Designed as a production-grade Microservices Architecture managed via Infrastructure as Code (IaC) with decoupled Frontend and Backend containers. Orchestrated via Docker Compose and secured behind a hardened Nginx Reverse Proxy. Includes an automated GitOps pipeline with Travis CI and air-gapped observability via Prometheus & Grafana.

    • Microservices
    • Infrastructure as Code
    • Docker Compose
    • Nginx
    • Travis CI
    • Grafana
    • Prometheus
    • Node.js

  • Personal Finance Tracker

    Implemented user authentication, transaction tracking, and balance validation. Designed GraphQL resolvers for real-time income/expense updates and used Mongoose ODM for schema modeling and validation.

    • NestJS
    • GraphQL
    • MongoDB
    • Mongoose ODM

  • Linear Regression for Predicting House Prices

    Trained a ML model on the UCI Real Estate Valuation Dataset to predict house prices using matrix operations on features like house age, MRT distance, and store count. Built a JavaFX GUI and used Python for data visualization.

    • Machine Learning
    • Python
    • JavaFX
    • Linear Regression
    • Data Visualization

  • Optical Character Recognition (OCR) System

    Built a full-stack OCR system for handwritten digit recognition using an Artificial Neural Network (ANN), following the "500 Lines or Less" approach. Developed a JavaScript/HTML5 client for digit input and a Python server for training and prediction, utilizing supervised learning and backpropagation with optimized ANN architecture and model persistence for efficient, accurate predictions.

    • Python
    • JavaScript
    • HTML5
    • Neural Networks
    • Machine Learning

Leadership

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  1. Sep 2023 — Present

    Industrial Coordinator · Industrial Liaison Cell Computer Science, COMSATS University Islamabad

    Advanced through five distinct leadership tiers over two years: Content Co-Lead, Content Lead, Co-Managing Director, Student Body Co-Lead, and currently Industrial Coordinator, bridging academia and industry by managing career expos, recruitment drives, and skill development sessions while mentoring a community of 300+ Computer Science students.

    • Leadership
    • Team Management
    • Event Planning
    • SOP Implementation
    • Public Speaking