
Mohsin Khan
Software Engineer
Compétences

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Expérience professionnelle
Software Engineer
Field Nation • Temps plein
Jan 2021 - Present • 5 yrs 9 mos
➤ Field Nation is a US-based technician service marketplace. ( https://app.fieldnation.com/) ➤ Developed scalable services using PHP and NestJS, adhering to microservice architecture. ➤ Built performant frontends with ReactJS and TypeScript. ➤ Built invoice management system for enterprise platform with Netsuite, Temporal, Kafka and Boomi integration. ➤ Implemented event-driven systems using RabbitMQ and Kafka. ➤ Collaborated with DevOps to deploy and scale services effectively. ➤ Designed and optimized SQL/NoSQL schemas for querying. ➤ Implement FEDEX API for package delivery status. ➤ Fintech Integrations: Integrated major payment APIs including Stripe, Adyen, Unit.co, Zelle, and Bank of America to securely transfer funds to users. ➤ Implemented tax compliance workflows using Avalara Avatax. ➤ Worked with Google APIs for real-time address validation and verification. ➤ Designed and maintained an internal invoicing system to streamline billing processes. ➤ Developed and optimized an Immutable Balance Snapshot Calculation module to ensure accuracy and consistency in financial reporting. ➤ Setup several payment and API monitoring dashboard on Datadog, Amplitude etc. ➤ Wrote unit tests E2E, and debugged production issues to ensure quality.
Freelancer
Freelancer • Freelance
Jan 2018 - Jul 2018 • 6 mos
➤ Convert PSD and Figma designs into fully responsive and interactive web pages. ➤ Implement responsive design to ensure optimal user experience across various devices and screen sizes. ➤ Utilize HTML, CSS, JavaScript, and Bootstrap to create pixel-perfect layouts. ➤ Optimize web pages for maximum speed and scalability. ➤ Ensure cross-browser compatibility and resolve any layout issues. ➤ Conduct thorough testing and debugging to ensure high-quality deliverables.