UB
USMAN BAJWA
Full Stack Developer
Berlin, GermanyWork Experience
Abhi Pvt Limited
Jan 2022 - Jan 2024 -2 yrs
Pakistan
- Job Details:Created one of Pakistan’s largest salary financing solutions by using a microservices-based backend with Node.js (TypeScript), PostgreSQL (TypeORM), AWS, and Mixpanel for analytics, resulting in 200,000+ active users and a 20% month-over-month growth. Implemented salary advances and a card-based subscription model by leveraging React Native, React.js, and React Query, driving a 35% increase in user adoption. Optimized SMS-based marketing strategies with a serverless Node.js (TypeScript) architecture, employing Sentry for real-time error tracking boosting overall user engagement by 20%. Developed a cross-platform mobile application using React Native, AWS Lambda, and PostgreSQL (TypeORM), while setting up GitLab CI/CD and Codemagic, reducing user churn by 25% and enhancing the end-to-end customer experience.
Coeus Solutions GmbH
Pakistan
- Job Details:Developed the 4artmarketplace application using React Native with NFT integration and Tailwind for responsive styling, achieving a 20% monthly user growth. Integrated Stripe and PayPal payment gateways through a secure Node.js (TypeScript) backend, custom Objective-C and Java module for secure PayPal integration, employing React Hook Form for streamlined user input, reducing average checkout time by 40%. Implemented localization strategies for German nationals using i18n frameworks and Vite for optimized builds, boosting regional user satisfaction by 25%. Leveraged Firebase for robust notifications, unit testing, and CI/CD pipelines, collaborating in Figma for UI/UX design ensuring high-quality, continuous delivery.
Conovo Technologies
Jan 2021 - Jan 2022 -1 yr
Pakistan
- Job Details:Provided comprehensive support to medical professionals by building interactive chatbots with React Native, Google Dialogflow, and Firebase, integrating Tailwind for custom UI components ensuring real-time updates on emerging medical trends. Revamped a buggy healthcare application by refactoring Node.js (TypeScript), React Native, Express.js, and React.js, applying HTML/CSS best practices significantly enhancing speed and efficiency. Improved backend code through TypeScript best practices in Node.js, Express.js, and MongoDB, incorporating Mixpanel for usage analytics boosting REST API response times by 10%. Implemented Google Dialogflow for automated, data-rich chat interactions, while adopting Git workflows delivering a streamlined user experience and reducing manual interventions.
Amco IT Systems
Jan 2019 - Jan 2021 -2 yrs
Pakistan
- Job Details:Developed and maintained a job seeker portal using React Native, Node.js, Redux, TypeScript, and Expo ensuring timely delivery and an intuitive user experience. Integrated real-time chat functionality along native modules, enhancing user engagement and fostering active community interactions. Deployed automated testing pipelines with Jest, Enzyme, and E2E tests, leveraging JavaScript (ES6+) best practices significantly improving code coverage and application stability. Created custom, platform-agnostic NPM libraries to centralize store logic, backed by efficient data fetching enabling seamless integration across both front-end and mobile environments for consistent, scalable state management.
Education
Bachelor's Degree in Computer Science
COMSATS University IslamabadJan 2016 - Jan 2020 - 4 yr
Bachelor's Degree in Artificial Intelligence
Brandenburgische Technische Universität Cottbus-SenftenbergJan 2024 1 Year 8 Months