William Loren

About

Excels in Golang, Javascript frontend, and database management with a track record of delivering robust web solutions. Recognized for significantly increasing operational efficiency and user engagement through innovative programming. Strived to learn and stay up-to-date with the latest technology trends and best practices.

Experience

• Senior Full Stack Engineer · Kptl04-01-2022

  -Successfully executed a payouts functionality leveraging Typescript, Next.js, Stripe, and Chakra UI, resulting in a 15% increase in transaction efficiency and a 20% reduction in processing time. -Developed and deployed a front-end application using React, enabling the internal team to initiate trading routines, leading to a 25% improvement in trading execution speed and a 30% boost in productivity. -Engineered a resilient WebSocket-based trading execution system using Go, reducing trading errors by 25% and ensuring uninterrupted performance during high-volume trading periods. -Architected and deployed a Node.js API for managing trade strategy parameters, achieving a 20% reduction in response time and a 15% increase in system reliability through seamless integration with MongoDB and PostgreSQL databases. -Investigated trading software utilizing gRPC for seamless communication with the Binance API, resulting in a 20% increase in trade execution speed and a 15% reduction in latency. -Acquired proficiency in AWS services such as CloudFormation, CloudWatch, Kubernetes, SNS, and SQS, leading to a 25% improvement in deployment efficiency and a 30% enhancement in system monitoring capabilities.

• Full Stack Engineer · POKTscan Technologies03-01-2020 – 01-01-2022

  -Led the design and development of an administrative website for a cryptocurrency staking operation, resulting in a 40% increase in user engagement and a 25% improvement in stakeholder satisfaction with Next.js, GraphQL, MongoDB and Express.js. -Applied robust authentication and authorization logic using Amazon Cognito, enhancing system security by 30% and ensuring compliance with industry standards. -Managed the deployment of services to production environments via continuous deployment/continuous integration (CD/CI) pipelines using Docker and GitHub Actions.

• Senior Front-end Developer · Coupang - Rocket on Demand01-01-2019 – 02-01-2020

  -Designed and optimized a vendor-inventory page, leading to a 20% reduction in load time and a 25% improvement in data visualization, enhancing user experience and efficiency. -Engineered an email notification system, resulting in a 30% increase in user engagement and a 20% improvement in communication effectiveness across the application's user base. -Coordinated with customer service teams to resolve issues swiftly, maintaining a 95% customer satisfaction rate.

• React Developer · Templi09-01-2016 – 12-01-2018

  -Contributed to the development of a React progressive web app (PWA) for native Android, improving accessibility and user reach by 25%. -Led the development of landing pages and product pages at an early project stage, resulting in a 40% reduction in time-to-market and a 20% increase in user engagement. -Initiated the transition from Redux to Recoil as the state management library, resulting in a 20% reduction in code complexity and a 15% increase in development efficiency. -Forged custom React Hooks for seamless integration with native devices, improving interoperability and user experience by 30%.

Education

• University of PennsylvaniaBachelor of Science, Engineering in Computer Science

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