
Usman Ali
Verified Expert in Engineering
Software Developer
Melbourne, Victoria, Australia
Toptal member since June 26, 2020
Usman is a talented developer who has been architecting applications on a wide range of government and global projects for eight years. He is passionate about valuable UX and enjoys crafting simple and effective solutions for complex problems. He is well-versed in JavaScript, React, Python, and Django. Usman's work has helped streamline and ease business solutions, bring in new clients, expand company offerings by updating platforms and processes, and resolve tough usability and design issues.
Portfolio
Experience
- React - 8 years
- Python - 8 years
- Node.js - 8 years
- Angular - 6 years
- TypeScript - 6 years
- MongoDB - 6 years
- Redux - 5 years
- Vue - 4 years
Preferred Environment
Asana, Slack, Windows, MacOS
The most amazing...
...project I've had is YieldX, a design system I built from scratch.
Work Experience
Senior Full-stack Developer
Modern Animal Inc
- Led back-end development using Python to build scalable, AI-powered systems that optimized data extraction processes for complex healthcare documents.
- Collaborated with a cross-functional team to implement a React front end that improved the user interface for document validation in a medical device platform.
- Developed an AI-powered document analysis module in Python that streamlined the validation of complex medical device documentation with human-in-the-loop checks.
- Utilized GraphQL to efficiently query data from Contentful, enabling seamless integration of dynamic data into page templates while maintaining fast load times.
- Added new features to Modern Animal's website, introducing dynamic content elements and functionalities that align with the platform's needs, improving both the user experience and overall site performance.
- Enhanced the website's design using styled-components to refine visual aesthetics, layout, and user interface elements. This improved the site's overall look and feel, making it more engaging and user-friendly.
- Resolved bugs and issues to increase the stability of Modern Animal's web app, ensuring a smoother user experience and reducing downtime or performance glitches.
- Integrated multiple databases (Postgres and Neo4j) to handle intricate relationships between medical device metadata and regulatory documents, ensuring optimal performance.
- Developed complex UI features using React Hooks, creating reusable logic and improving performance, maintainability, and code clarity.
- Designed and integrated applications with API Gateway, connecting React frontends to backend services and improving reliability, security, and request handling.
Shopify and WordPress Developer
i-Health
- Built a custom Shopify 2.0 theme using the Bootstrap front-end framework.
- Migrated legacy eCommerce workflows to Shopify, integrating with multiple vendor systems and streamlining order tracking.
- Developed private Shopify API integrations for multiple vendors, automating order processing and inventory management workflows.
- Automated shipping and fulfillment processes using Shopify API and third-party logistics platforms.
- Developed an AI-driven WordPress plugin that generates hundreds of unique, SEO-optimized local market pages automatically, transforming manual content creation into a scalable national expansion strategy.
- Audited and improved Shopify workflows, fixing bottlenecks and making order and inventory processes more efficient and scalable.
- Built and optimized Shopify stores, improving performance and user experience, and integrating APIs and marketing tools like Klaviyo.
Self-employed Developer
Freelance
- Created reusable components based on React, TypeScript, MUI, styled-components, and Bootstrap, and built a pixel-perfect, responsive UI and design system.
- Collaborated and worked with back-end engineers to build a data services RESTful API.
- Developed products from scratch or extended existing projects using a variety of full-stack technologies for both front and back end.
- Focused on the unit and E2E tests to increase code coverage utilizing Jest, PyTest, testing library, Cypress, and Enzyme.
- Mentored developers on best practices for React Hooks, modular architecture, and API-driven design in production environments.
- Led front-end integration efforts, ensuring smooth communication between services through APIs and consistent data flow across the application.
Senior Python Developer
DakotaSoft
- Focused on Python development for Dakota Soft's web application back end.
- Built and optimized core back-end features, ensuring the app was fast, secure, and scalable.
- Worked closely with front-end teams to create smooth API integrations.
- Enhanced data processing and storage with cloud services, keeping everything reliable and compliant with security standards.
- Developed back-end services to integrate AI verification tools, speeding up claims validation processes.
- Delivered enterprise-grade data applications using Palantir Foundry, designing scalable data pipelines and integrating multiple structured and unstructured data sources across distributed systems.
- Built end-to-end solutions combining Python (FastAPI and Django) back ends with React front ends, enabling real-time data visualization and decision-making workflows.
- Designed and optimized data transformation pipelines within Foundry, improving data availability and consistency for analytics and operational use cases.
- Collaborated with cross-functional teams to translate business requirements into data-driven applications, leveraging Foundry’s ontology and pipeline capabilities.
- Built backend services using Elixir/Phoenix alongside Python (FastAPI), combining real-time capabilities with scalable APIs to support high-performance applications and AI-driven workflows.
Mobile Developer
A4BSoft
- Developed and maintained the Digital Signature mobile application using React Native, focusing on enhancing security and user experience.
- Implemented features for electronic signatures, document encryption, and secure sharing on mobile devices.
- Optimized the app for cross-platform performance, ensuring seamless operation on both iOS and Android platforms.
- Integrated advanced encryption algorithms to safeguard sensitive data and ensure compliance with industry standards.
- Collaborated with the back-end team to implement secure cloud storage, ensuring data integrity and efficient synchronization across devices.
- Conducted extensive usability testing and incorporated user feedback to continuously improve the app’s interface and overall functionality.
Full-stack Developer (via Toptal)
Nicholas Weeks
- Developed and implemented a robust and scalable RESTful API for the Agricultural Automation Framework project, facilitating seamless communication between various devices and the core framework.
- Developed and optimized multiple React components, ensuring high-quality user experiences and cross-browser compatibility.
- Collaborated with the back-end team to integrate Node.js and Express.js, enhancing the system's data handling efficiency.
- Contributed to the implementation of PostgreSQL for data storage, reducing query response times by 15%.
- Developed comprehensive documentation for both the API and website, providing clear guidelines for usage, troubleshooting, and future development, contributing to improved project maintainability.
- Conducted thorough testing, identifying and resolving bugs and issues to achieve a high level of system reliability and stability.
- Built scalable front-end architecture using micro front ends, enabling independent deployment, better team ownership, and faster feature delivery across applications.
Senior Full-stack Developer
The Tiger Clan NFT
- Developed and implemented smart contracts using Solidity, resulting in a seamless and secure transaction process for the Tiger Clan NFT platform.
- Spearheaded the integration of Web3.js to enable seamless interaction between the blockchain and front end, improving the user experience and platform functionality.
- Led a team of developers in the creation of a responsive and user-friendly React-based front end for the Tiger Clan NFT website.
- Participated in agile development processes actively, including daily stand-ups, sprint planning, and retrospectives, fostering a collaborative and productive work environment.
Full-stack Developer (via Toptal)
Rapidly Financial Inc
- Utilized JavaScript, React, and Node.js to architect and build responsive and user-friendly interfaces, significantly enhancing the overall user experience and engagement on the no-code solution.
- Engineered seamless API integrations, ensuring smooth communication and data flow between different modules of the application, resulting in a cohesive and integrated user workflow.
- Spearheaded the development of custom APIs, employing best practices and optimizing performance to meet the unique requirements of the no-code solution, ultimately enhancing its functionality and versatility.
- Leveraged Ruby on Rails (RoR) to address specific back-end functionalities, enabling robust data handling and efficient processing for the migrated application.
- Orchestrated Amazon Web Services to establish a scalable and reliable infrastructure for the no-code solution, implementing cloud-based solutions that enhanced the application's performance and scalability.
- Developed and implemented a comprehensive migration plan for the existing application on moderntax.io, successfully transitioning it from a traditional code-based solution to a streamlined and efficient no-code platform.
- Built back-end services using Elixir and Phoenix alongside Python (FastAPI), combining real-time capabilities with scalable API design for high-performance applications.
- Integrated Python-based services with Phoenix systems to handle data processing and AI workflows, ensuring reliable and efficient back-end operations.
Senior Full-stack Developer
Freelance
- Built full-stack applications using Next.js 14+ and React Native (Expo), delivering scalable web and mobile experiences with clean architecture and strong performance.
- Integrated AI/LLM APIs (Claude and OpenAI) to power real-time chat and automation features, including text and voice-based interactions.
- Implemented Stripe Connect for multi-party payments, handling webhooks, subscriptions, and secure transaction flows.
- Designed back-end systems using Supabase and PostgreSQL, managing data models, queries, and user workflows.
- Developed real-time features using messaging and streaming patterns, ensuring smooth and responsive user experiences.
- Built and maintained asynchronous workflows using Redis queues and background jobs for reliable processing.
- Managed file storage and assets using AWS S3, ensuring secure and efficient data handling.
- Delivered production-ready systems with monitoring tools, focusing on reliability, scalability, and performance.
Front-end Developer (via Toptal)
YieldX Inc.
- Spearheaded the design and implementation of dynamic and responsive user interfaces using React, JavaScript, and TypeScript, enhancing the overall user experience on the YieldX platform.
- Integrated advanced data visualization libraries into the front end, transforming complex financial data into intuitive charts and graphs, improving users' ability to analyze investment portfolios.
- Introduced modular component architecture, leading to a reduction in code redundancy and a more maintainable codebase, facilitating easier future feature additions and bug fixes.
- Integrated third-party APIs to enhance the platform's functionality, resulting in expanded data sources and improved financial analysis capabilities for users.
- Participated in Agile development cycles actively, contributing to biweekly sprint planning, stand-up meetings, and retrospective sessions, ensuring seamless coordination with cross-functional teams.
Project Coordinator
Hewlett Packard
- Maintained and monitored project plans and schedules, ensuring project deadlines were met.
- Collaborated with key HP teams to elevate and resolve critical issues undertaking project tasks.
- Offered remote support to on-site engineers, end users, and customers installing or updating, configuring, testing, and maintaining software applications and web servers.
Experience
Responsive Interface and Review System Design
https://www.boroondara.vic.gov.au/Platform Migration
https://www.boutiqueair.com/Design Renewal and Development
https://www.jetty.com/Gembah Product Design and Supply Chain Integration Platform
https://www.gembah.com/Full-stack Development | Features and Documentation
https://www.lessen.com/Additionally, I developed and maintained comprehensive documentation for the front-end codebase, streamlining knowledge transfer among team members and reducing onboarding time for new developers. The key skills utilized in this process included React, Node.js, JavaScript, PostgreSQL, and HTML.
Front-end Development of a Website and Mobile App
https://studioscience.com/React and Firebase Development | User-friendly Platform
https://cobox.com.au/I integrated APIs using API Gateway and built modular micro front-end features, improving scalability and system reliability. I leveraged React Hooks to create reusable logic and optimize performance, resulting in a more maintainable and efficient codebase.
Full-stack Development for an AI Data Visualization Project
In this case, I integrated LLaMA-7B into the application to display all the textual analysis. I used LIDA and integrated it with the system for the graphical analysis. My excellent knowledge of AI/ML models and NLP techniques helped me in this project.
eCommerce Development for Jackets Platform
Online Learning Platform Development
https://goodhabitz.com/Full-stack Development
I implemented responsive and user-friendly interfaces using React and Ant Design, enhancing the user experience for venue discovery and booking processes. I developed robust APIs and business logic with NestJS, ensuring efficient data handling and integration with the PostgreSQL database.
In addition to designing and optimizing database schemas in PostgreSQL to support scalable and reliable data storage for user and venue information, I also collaborated with cross-functional teams to introduce features that reduce the typical 2–5 weeks and 10–40 emails often required to book a venue in NYC.
Zoom Scheduling Automation
YouTube to Notion Content Management
Notion Deduplication Workflow
Fish Commander Mobile App
Education
Master's Degree in Information Technology
Deakin University - Burwood, Victoria, Australia
Bachelor of Science Degree in Computer Science
Air University - Islamabad, Pakistan
Skills
Libraries/APIs
Node.js, React, Vue, REST APIs, React Redux, API Development, Three.js, Anime.js, SQLAlchemy, Liquid, Vuex, Web3.js, jQuery, Stripe, Google Maps API, Puppeteer, WebGL, MobX, Rebass, YouTube API, Shopify API, Claude API
Tools
Redux Toolkit, GitHub, n8n, Dynamics 365 Business Central, Microsoft Dynamics CRM, Apache Airflow, Figma, Git, Webpack, Xero, Expo, AI Prompts, Slack, Asana, React Apollo, Adobe Experience Manager (AEM), Notion API, Whisper, Firebase Authentication, MQTT, Odoo, Sentry
Languages
JavaScript, CSS3, TypeScript, CSS, Python, HTML5, HTML, Java, Ruby, Elixir, GraphQL, SQL, C#, Dart, Rust, Clojure, PHP, Go, Solidity
Frameworks
Django, Express.js, Redux, Ruby on Rails (RoR), Next.js, Jest, React Native, Nuxt.js, Flutter, AngularJS, Flask, Angular, Tailwind CSS, Ember.js, Spring Boot, Ionic, Jinja, Laravel, NestJS, Cypress, .NET, Svelte, Selenium, Phoenix, Material UI, Bootstrap, Recoil, Ionic 4, Vanilla JS, Ant Design, Angular 12, JSON Web Tokens (JWT)
Paradigms
Unit Testing, DevOps, MEAN Stack, UX Design, Search Engine Optimization (SEO), Responsive Web Design (RWD), Mobile Development, Microfrontends, Automation, UI Design, Web UI Design, Real-time Systems, Microservices
Platforms
Amazon Web Services (AWS), Mobile, Heroku, WordPress, Docker, AWS Lambda, Azure, HubSpot, Google Cloud Platform (GCP), Firebase, Shopify, FlutterFlow, Vercel, DigitalOcean, Decentralized Exchanges (DEXs), Ethereum, Directus, Klaviyo, MacOS, Windows, Nxt, Blockchain, Contentful, AWS IoT, Voiceflow, Raspberry Pi, Arduino, iOS, Android, Bluetooth Low Energy (LE)
Storage
MongoDB, MySQL, Google Cloud, Database Management Systems (DBMS), Amazon S3 (AWS S3), PostgreSQL, JSON/XML Schemas, SQLite, Redis, Datadog, NoSQL, Cloud Firestore
Industry Expertise
Web Design
Other
User Experience (UX), Gatsby, Documentation, Web Applications, Front-end, Full-stack, Back-end, FastAPI, API Integration, Full-stack Development, Back-end Development, Front-end Development, Web Development, MERN Stack, Team Leadership, PDF, Web Scraping, Integration, Debugging, Mobile App Development, Third-party APIs, Web App Development, Data Analytics, AI Agents, OpenAI, Agentic AI, Decentralized Finance (DeFi), Fine-tuning, Mobile Applications, Hybrid Apps, HTTPS, Headless CMS, SSL, Foundry, React Hooks, Amazon Bedrock, API Gateways, Material Design, Apollo, CI/CD Pipelines, Technical Documentation, APIs, eCommerce, WebSockets, Cryptocurrency, User Interface (UI), Responsive Web Apps, Technical Leadership, Webhooks, Supabase, Prompt Engineering, Large Language Models (LLMs), Data Scraping, LangChain, Ethereum Virtual Machine (EVM), CEX, Authentication, Affiliate Marketing, Styled-components, XState, Storybook, Fintech, Finance, Design Systems, Architecture, Web3, Infrastructure as Code (IaC), Video Streaming, OpenAI GPT-3 API, Natural Language Processing (NLP), Chrome Extensions, Site Reliability Engineering (SRE), Email, Electronics, SAP Cloud Platform Integration (CPI), Artificial Intelligence (AI), Responsive Design, IT Automation, OpenAI GPT-4 API, ESP32, Solana, AI Model Training, AI Model Integration, Shopify Theme, Shopify SEO, Shopify Design, Speech-to-Text (STT), Open-source LLMs, Stripe conn, Event-driven Systems, Performance Optimization, AI Chatbots
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