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Hi, I’m Wen (Clara) Li, a software engineer who enjoys building scalable backend systems and ML-powered features. I currently lead a team of engineers to design core APIs on AWS, deliver low-latency services, and mentor teammates to grow their skills. Beyond coding, I apply data-driven thinking to automate complex processes and create delightful user experiences across fintech and e-commerce platforms. I’m excited by cross-functional collaboration, continuous learning, and solving challenging problems in fast-paced environments.…Hi, I’m Wen (Clara) Li, a software engineer who enjoys building scalable backend systems and ML-powered features. I currently lead a team of engineers to design core APIs on AWS, deliver low-latency services, and mentor teammates to grow their skills. Beyond coding, I apply data-driven thinking to automate complex processes and create delightful user experiences across fintech and e-commerce platforms. I’m excited by cross-functional collaboration, continuous learning, and solving challenging problems in fast-paced environments.

Wen (Clara) Li

Full Stack Developer, Back-End Developer, Web Developer, +3

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Hi, I’m Wen (Clara) Li, a software engineer who enjoys building scalable backend systems and ML-powered features. I currently lead a team of engineers to design core APIs on AWS, deliver low-latency services, and mentor teammates to grow their skills. Beyond coding, I apply data-driven thinking to automate complex processes and create delightful user experiences across fintech and e-commerce platforms. I’m excited by cross-functional collaboration, continuous learning, and solving challenging problems in fast-paced environments.…Hi, I’m Wen (Clara) Li, a software engineer who enjoys building scalable backend systems and ML-powered features. I currently lead a team of engineers to design core APIs on AWS, deliver low-latency services, and mentor teammates to grow their skills. Beyond coding, I apply data-driven thinking to automate complex processes and create delightful user experiences across fintech and e-commerce platforms. I’m excited by cross-functional collaboration, continuous learning, and solving challenging problems in fast-paced environments.

Available to hire

Hi, I’m Wen (Clara) Li, a software engineer who enjoys building scalable backend systems and ML-powered features. I currently lead a team of engineers to design core APIs on AWS, deliver low-latency services, and mentor teammates to grow their skills.

Beyond coding, I apply data-driven thinking to automate complex processes and create delightful user experiences across fintech and e-commerce platforms. I’m excited by cross-functional collaboration, continuous learning, and solving challenging problems in fast-paced environments.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Software Engineer (remote) at EasyRent Realty

May 1, 2024 - November 17, 2025

Lead a group of 5 engineers to design and enhance core backend APIs for EasyRent Realty’s platform using AWS techniques (EC2, S3, Lambda) to ensure scalability and low-latency responses. Developed a machine learning model (Random Forest, Neural Network) in Python to predict applicant credit scores by analyzing historical financial data, reducing manual background checks by 40%.

Software Engineer at Google

April 30, 2024 - April 30, 2024

Led the design and built core server-side APIs to enable Fitbit Secure Element (SE) tokenization on a Java web-based app, tokenizing cards with major partners (VISA, MasterCard, AmEx). Launched integrations of Google Wallet with Fitbit Sense2, expanding Google Wallet beyond classic tokenization to Unified Tokenization. Designed and implemented large-scale service systems and storage models for over 150 million users to unify tokenization stacks across devices to Google Platform. Built a high-efficiency data pipeline processing 140 million tokens from storage using FlumeJava and Geyser; improved system health with logging and Boq Apps Framework-based monitoring.

Software Engineer at Google

April 1, 2024 - April 1, 2024

Led the design and build of core server-side APIs to enable Fitbit Secure Element (SE) tokenization on a Java web-based app used to tokenize credit cards with major external partners (VISA, MasterCard, AmEx). Increased user base by launching integrations of Google Wallet to Fitbit Sense2 devices, expanding Google Wallet’s presence beyond classic tokenization (HCE). Designed and implemented large-scale services and database storage models for over 150 million users to unify tokenization stacks (Device Token to Cloud Token). Built high-efficiency large-scale parallel data pipelines from scratch for 140 million tokens from Google data storage using FlumeJava, Geyser; enhanced system health metrics with logging and monitoring.

Software Engineer at Amazon

December 31, 2021 - December 31, 2021

Built and enhanced Amazon Grocery Systems (Fresh, Whole Foods) infrastructure by developing backend features for global business growth using AWS technologies (EC2, S3, Lambda). Improved buy-side profit by over 20% by designing and implementing a simulation environment to capture dynamic events and interactions among multiple systems to uncover key supply chain features.

Software Engineer at Amazon

December 1, 2021 - December 1, 2021

Built and enhanced Amazon Grocery Systems (Fresh, Whole Foods) infrastructure by developing backend features for global business growth leveraging AWS technologies (EC2, S3, Lambda). Improved buy-side profit by over 20% by designing and implementing a simulation environment to capture dynamic events and interactions among multi systems to discover key supply chain features.

Software Engineer Intern at Power Costs

December 31, 2020 - December 31, 2020

Improved PCI system backend by deploying features to handle trillions of hourly schedule data from multiple sources on AWS cloud-based backend systems.

Software Engineer Intern at Power Costs

December 1, 2020 - December 1, 2020

Improved PCI system’s back-end infrastructure by deploying features to handle load of trillions of hourly schedule data from multiple sources on AWS cloud-based backend systems.

Software Engineer at IBM AI Lab

April 30, 2019 - April 30, 2019

Developed and trained multiple advanced backend machine learning algorithms; improved prediction accuracy from 70% to 90%. Completed legacy data cleanup from a large-scale database management system for over 20,000 projects’ data and 100 features using MySQL.

Software Engineer at IBM AI Lab

April 1, 2019 - April 1, 2019

Developed and trained multiple advanced backend Machine Learning algorithms; improved prediction performance from 70% to 90% accuracy using Python; Successfully completed legacy data cleanup from Large Scale Database Managed System for over 20,000 projects’ data and 100 features using MySQL.