Tyler Lee, Senior Backend Engineer

California, United States +1-760-***-**** ad44mk@r.postjobfree.com Summary

Expertise senior software engineer with 9+ years of experience focused on backend development and a passion for problem-solving. Great team player, confident communicator, innovative thinker, and fast learner. Adept at working with both teams and independently with critical thinking following Agile-like development processes. Looking for a challenging and dynamic environment where my skills can be utilized in the maximum way possible. Work Experience

Senior Software Engineer May 2022 – Feb 2024

Sense Defence AI (Startup), Remote – London, UK

• Led a team of 3 junior developers undertaking the SDLC for 7 projects and designing solution architecture.

• Built user-friendly websites for clients across various platforms using the latest industry-adopted technologies and following TDD practice. This process decreased the error rate by 23%.

• Increased WAF and DDoS/Bot prevention engine accuracy by 78% through integrating AI and ML models.

• Optimized data structure and algorithm in NGINX modules, improving WAF performance by 13%.

• Enhanced the security level of user authentication by integrating the 3rd party authentication platform.

• Decreased time for deployment on AWS by 61% by containerizing each microservice.

• Leveraged knowledge in Node.js, Express.js, MongoDB, REST/RPC APIs, Typescript, Python, Django, Numpy, Sklearn, ElasticSearch, Logstash, NGINX, React.js, MUI, Stripe, Auth0, AWS, Docker, GitFlow, Jest, GraphQL Senior Backend Engineer June 2019 – Apr 2022

Attract Group, CA, USA

• Spearheaded design and development of a high-performance network gateway handling over 1,000,000 requests per second utilizing non-interrupt architecture while maintaining high availability of over 99.999%.

• Improved the performance of 7 features of image processing module by reverse engineering the existing Python code bases and refactoring them utilizing C++ Nvidia CUDA programming language.

• Improved the performance of the e-commerce platform by optimizing SQL database structures and implementing caching. This process reduced the latency of the backend services by 12%.

• Leveraged knowledge in C/C++, Network Engineering, DPDK, TCP/IP, Multi-thread, Linux, CUDA, Python, SQL Junior/Middle Software Engineer Mar 2014 – May 2019 SDLC Corp, CA, USA

• Contributed to building Windows desktop applications for real-time communication by adding 3 new features.

• Increased reporting speed of the internal analytics team by 24% by designing and implementing RESTful API services for the internal ERP of the company.

• Utilized SNMP protocol to develop a monitoring system for managing 70+ network devices.

• Participated in 40+ weekly code reviews to ensure code quality and receive mentoring from senior developers.

• Leveraged Knowledge in Full stack web development, MySQL, PostgreSQL, PHP, Laravel, Bootstrap, jQuery, Python, REST API, C/C++, Windows SDK, QT, Redis, Node.js, Typescript, Mongoose, PHPUnit, Java, SpringBoot Education

Bachelor of Science (BS) in Computer Science Sep 2009 – Aug 2013 Northwestern University, IL, USA

Skills

Node.js, Typescript, Express.js, Nest.js, C/C++, CUDA, Linux/Network, Internet Security, Python/Django, PHP/Laravel, SQL, NoSQL, MongoDB, Git/GitFlow, React.js, Jest, CSS, Javascript, ELK stack, GraphQL, Docker, AWS, Java, Jira, Agile, Redis, QT, REST API