Software Developer Api Integration

LEON LEE

Software Developer

Canadian Citizen

*** ********, *******, **, *********, Canada, V5H 4M5, 604-***-****, **********@*****.***, LinkedIn

PROFESSIONAL SUMMARY

4+ years of experience as a Software Developer specializing in full stack development, Unit testing, API integration, and automation. Improved and maintained system performance for applications serving 50,000+ customers. Proficient in Angular, Python, Java, and more.

WORK EXPERIENCE

Software Developer

BlueBits Technologies, Vancouver

Jun 2021 – Present

● Developed frontend website using Angular and Typescript with RESTful APIs, serving 50,000 customers and facilitating over 700,000 deliveries.

● Managed backend services using Python Flask, improving API performance and scalability for high-traffic requests.

● Deployed microservices to AWS Lambda for scalable, on-demand request handling.

● Maintained MySQL databases to keep track of deposit records. Used indexing strategies to reduce query time.

● Enhanced user experience by restructuring the data retrieval process, moving from a promise-based approach to a pagination + manual data retrieval system, resulting in 90% performance improvement.

● Developed 15+ automated test scripts in Python with Appium, reducing mobile testing time by 70%.

● Used Postman, Fiddler, and MySQL to validate APIs and database changes on the company’s eCommerce platform and POS systems integrated with Stripe, improving API reliability and reducing issues by 30%.

● Maintained cross-platform mobile applications for Android and iPhone using Angular, achieving a 150% increase in downloads across iOS App Store and Google Play Store in the past year. CRM Software Developer (Contract)

Freelance Inc, Vancouver

Jun 2023 – Dec 2023

● Engineered a CRM & accounting solution in Python Tkinter and Java Spring Boot and MySQL, & MongoDB, achieving a 50% reduction in data retrieval time and a 10% improvement in user error reduction.

● Pioneered an automated revenue reporting function to enable data analytics, streamlining the business’s analytical process and contributing to a 200% boost in overall accounting efficiency. PROJECTS

Tennis Video Analysis + Ball Tracker

● Built a video analysis system using OpenCV, PyTorch, and YOLO model to track tennis balls, inject ball trail effects, and calculate statistics like ball speed.

● Developing a web app for users to upload and receive tennis analysis. EDUCATION

Bachelor in Computer Science & Economics

Simon Fraser University

SKILLS

C C++ Python JavaScript TypeScript HTML CSS Kotlin Java Angular Spring Boot Node.js React Bootstrap Spark ionic Linux Bash Frontend Backend Full-Stack CI/CD Data Pipeline DevOps microservice Kubernetes TensorFlow PyTorch Fiddler Agile Google API RESTful FastAPI API Github GitLab Git Weka Figma Xcode Android Studio OOP Jira Trello MySQL SQL MongoDB Postman Appium Firebase npm English Cantonese Mandarin

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