Hi, I'm Usama Haider

Senior Developer·Team Lead

Python | Django | Flask | Elixir | Phoenix | Node | JS with 5 years of experience in producing robust code for high-volume businesses.

Usama Haider

Usama Haider

Senior Developer · Team Lead

5+ Years of Experience

Professional Profile

  • Experienced and versatile Senior Software Engineer with 5+ years of hands-on expertise.
  • Specialized in full-stack web & mobile app development, custom software, and backend systems.
  • Proficient in Python (Django, FastAPI, Flask), Elixir/Phoenix, Node.js, React, React Native.
  • Worked with multiple databases: PostgreSQL, MySQL, MongoDB.
  • Recently developed a desktop time-tracking app using Rust.
  • Delivered scalable solutions across gaming, real estate, healthcare, government, education, and e-commerce.
  • Strong in system architecture, API design, DevOps, and AI/ML integration.
  • Leadership in project management and startup co-founding roles—aligning software with business goals.

Technical Expertise

Backend Development

Python95%
Django90%
Flask85%
FastAPI80%

Other Technologies

Elixir90%
Phoenix70%
Node.js75%
JavaScript80%

Database & Infrastructure

PostgreSQL
MySQL
MongoDB
Docker
AWS
Git
CI/CD
REST APIs
gRPC
Rust

Work Experience

Senior Software Engineer

Gigaclear

Jan 2025 - Present

London, UK (Remote)

  • Designed and deployed scalable Python microservices with advanced features
  • Developed and maintained containerized applications using Docker and managed deployments with Kubernetes or serverless platforms.
  • Collaborated cross-functionally with product, DevOps, and QA teams to align on delivery and system reliability.
  • Integrated automated testing frameworks to ensure software quality
  • Conducted code reviews, championed best practices in code structure, testing, and performance optimisation.

Products:

Skills & Technologies:

Python
Django
Docker
Kubernetes
AWS
PostgreSQL
GraphQL
Redis
Senior Software Engineer

Founders Network

Jan 2023 - Dec 2024

London, UK (Remote)

  • Reduced API response times by 40% through query optimization and caching strategies
  • Implemented a real-time notification system using WebSockets
  • Led the migration from monolithic architecture to microservices
  • Mentored junior developers and established code review processes

Skills & Technologies:

Python
Django REST Framework
React
PostgreSQL
Redis
AWS
Docker
Full Stack Developer

Empowering Confident Youth

Mar 2021 - Dec 2022

Manchester, UK (Hybrid)

  • Designed and implemented a secure user authentication system
  • Created an interactive course management system with progress tracking
  • Optimized media delivery for various devices and connection speeds
  • Implemented comprehensive analytics dashboards for tracking user progress

Products:

Skills & Technologies:

Python
Django
React
Redux
PostgreSQL
Tailwind CSS
AWS
Backend Developer

Chamabora

Jun 2019 - Feb 2021

Bristol, UK (Remote)

  • Built high-performance APIs handling 1M+ daily requests
  • Implemented geospatial search using PostGIS
  • Designed a scalable database schema for complex relationships
  • Created a real-time notification system using Phoenix Channels

Products:

Skills & Technologies:

Elixir
Phoenix
PostgreSQL
PostGIS
GraphQL
AWS
Software Developer

Maat Inc

Aug 2017 - May 2019

Edinburgh, UK

  • Implemented end-to-end encryption for sensitive documents
  • Designed a flexible workflow engine with visual process builder
  • Created an intuitive interface for non-technical users
  • Built a comprehensive versioning system with blockchain verification

Skills & Technologies:

Python
Django
React
Docker
PostgreSQL
Blockchain
Redux

Skills & Expertise

Programming Languages
Python95%
JavaScript85%
Elixir70%
Rust75%
Frameworks & Libraries
Django95%
Flask90%
Rest Framework75%
FastAPI85%
React80%
Node.js75%
Phoenix70%
Databases
PostgreSQL90%
MySQL90%
MongoDB80%
SQLite85%
DevOps & Tools
Git90%
Docker85%
CI/CD80%
REST APIs95%
gRPC85%
Other Skills
OOP
ORM
B2B Software
Software Engineering
Bootstrap
Tailwind CSS
Microservices
Team Lead
Realtime
Sockets
DBMS
Cyber Security
Malware
CSS
HTML
WebRTC
Unit Testing
UI
UX
Finance
Query Optimization
People Management

MSc in Computer Science

2015 - 2017
University of ManchesterManchester, UK

Specialized in Software Engineering and Distributed Systems. Completed thesis on 'Scalable Architectures for Real-time Data Processing' with distinction.

Achievements:

  • Graduated with Distinction (GPA: 3.9/4.0)
  • Awarded the Outstanding Academic Achievement Scholarship
  • Published research paper on distributed systems optimization
  • Led a team project developing a cloud-based collaboration tool

Key Courses:

Advanced Algorithms
Distributed Systems
Cloud Computing
Machine Learning
Software Architecture

BSc in Computer Science

2012 - 2015
University of BirminghamBirmingham, UK

Comprehensive program covering fundamentals of programming and software development. Focused on practical applications and theoretical foundations.

Achievements:

  • First Class Honours (GPA: 3.8/4.0)
  • Dean's List for Academic Excellence for all three years
  • Developed an open-source library for data visualization
  • Completed internship at a leading tech company

Key Courses:

Data Structures & Algorithms
Database Systems
Web Development
Operating Systems
Software Engineering

Featured Project

A powerful desktop tracker and web dashboard for real-time monitoring, task tracking, and employee productivity.

TeamTrackin App

TeamTrackin Desktop + Dashboard

https://teamtrackin.com

TeamTrackin – All-in-One Remote Workforce Monitoring Platform

TeamTrackin is a web app designed for remote companies to manage their employees’ time, productivity, projects, leaves, and payments — backed by a desktop tracking application with screenshot capture and detailed reporting.

Smart User Management

Admin can add, edit, or delete users and assign projects to team members

Daily & Weekly Reporting

Generate downloadable reports on hours, screenshots, and payment records

Real-Time Activity Tracking

Capture screenshots and log productivity with a desktop tracker

Leave & Overtime Flow

Admin dashboard to approve/reject time-off, overtime, and view project progress

Projects

A selection of featured and notable projects I’ve worked on.

Other Notable Projects

Knab

Knab

Digital-first bank designed for freelancers and small businesses.

Knab provides a convenient way to manage business and personal finances through a single platform, with a strong focus on personal service and real-time assistance.

Challenges:

  • Ensuring bank-grade security
  • Managing high-volume financial transactions

Solutions:

  • Implemented strict AWS security protocols
  • Utilized ElasticSearch for fast financial data handling
ReactJS
Node.js
JavaScript
+2
HWW

HWW

Legal advice and corporate restructuring platform for German business environments.

HWW specializes in reorganizing and restructuring organizations, guiding them safely through difficult business and legal challenges.

Challenges:

  • Real-time legal updates
  • Complex corporate data management

Solutions:

  • Integrated WebSockets for live notifications
  • Developed robust Elixir-based backend
ReactJS
Elixir
Phoenix
+3
AppWork

AppWork

Property maintenance and management software for technicians and residents.

AppWork streamlines communication, task management, and issue tracking for property managers and residents into a single intuitive platform.

Challenges:

  • Real-time coordination of tasks
  • Secure file storage for maintenance records

Solutions:

  • Implemented live communication via Sockets
  • Used S3 for scalable media storage
ReactJS
Elixir
Phoenix
+3
Taskeen

Taskeen

Technology-driven property management and rent collection platform.

Taskeen offers a complete digital platform for online rent collection, asset management, and leasing, making property management accessible anywhere.

Challenges:

  • Managing complex lease agreements
  • Automating financial reporting

Solutions:

  • Developed a dynamic form engine
  • Integrated with Celery for scheduled reporting tasks
Python
Django DRF
Celery
+3
Bio Hundeshop

Bio Hundeshop

Swiss e-commerce platform for sustainable pet care and accessories.

Bio Hundeshop provides sustainable pet products with a focus on Swiss market requirements, including regional delivery logistics.

Challenges:

  • Managing multi-warehouse inventory
  • Integrating with local shipping APIs

Solutions:

  • Developed high-availability inventory sync
  • Built custom shipping glue modules
Python
Django DRF
Celery
+3
Lyftrondata

Lyftrondata

Agile, ETL-free data preparation and management platform.

Lyftrondata simplifies analytics by enabling teams to connect and process data faster without the bottlenecks of traditional ETL.

Challenges:

  • Handling massive data volumes
  • Complex query optimization

Solutions:

  • Built an ElasticSearch-first data layer
  • Optimized Celery tasks for parallel data runs
Python
Django DRF
Celery
+3

Blog

Technical articles and insights.

Ready to Work Together?

Let's discuss how I can contribute to your next project or join your team.