# Darren Lim > Senior Software Engineer @ tbh Location: San Francisco Bay Area, United States Profile: https://flows.cv/darrenlim ## Work Experience ### Senior Software Engineer @ tbh Jan 2024 – Present ### Senior Software Engineer @ Productfy Jan 2021 – Jan 2024 Technologies: Java, GraphQL, PostgreSQL, Spring, SFTP, SOAP/XML, Cucumber, AWS - Developed and maintained ACH file generator to transfer clients' customers' funds on an automated basis - Collaborated with 3 different banks to develop ACH reconciliation process according to custom requirements - Integrated with APIs for 3 banking cores and 2 card processors - Reviewed backend team members’ code and design proposals - Served as subject matter expert for technical, architectural, and domain knowledge - Managed the code deployment pipeline on AWS ### Software Engineer @ Productfy Jan 2020 – Jan 2021 ### Software Engineer @ Lumity, Inc. Jan 2018 – Jan 2020 | San Mateo, California, United States Technologies: Java, MongoDB, Spring, Kubernetes, Docker, ReactJS, Redux - Designed and implemented a full-stack survey integration consisting of email campaigns, response processing with webhooks, an anonymous participant identification system, and administrative management of survey campaigns - Re-architected the frontend internal brokerage platform to integrate role-based access control and to achieve visual consistency via recycling React components and improving CSS usage - Developed full-stack integration of demographic and benefits data exchange with multiple vendors, including file uploads from the internal site and an automated syncing service using Quartz Scheduling - Developed a variety of manual data ingestions within the internal brokerage platform ### Software Engineer Internship @ Lumity, Inc. Jan 2018 – Jan 2018 | San Mateo, California, United States Technologies: Java, Scala, SQL - Designed and implemented an EDI flow, which included aggregating mass data from multiple SQL relations, creating an XML serializer, and uploading files to an SFTP server - General bug investigating across the entire application stack: AWS server deployments, React, Java, and Scala codebases - General QA testing ### Computer Lab Assistant @ UC Berkeley College of Engineering Jan 2017 – Jan 2017 | Berkeley, CA 94720 - Assisted in teaching student course content through lab exercises on topics including basic C, memory management, ALUs, CPUs, SIMD, caches, & multithreading - CS61C, "Machine Structures" ## Education ### Bachelor's degree in Electrical Engineering and Computer Science University of California, Berkeley ## Contact & Social - LinkedIn: https://linkedin.com/in/darrenalilim - Website: https://gitlab.com/darrenalilim - Website: https://github.com/darrenalilim --- Source: https://flows.cv/darrenlim JSON Resume: https://flows.cv/darrenlim/resume.json Last updated: 2026-04-01