# Siyun Feng > Software Engineer | NodeJS | JavaScript | TypeScript | Python | React | Angular | PostgreSQL | MongoDB | Express Location: New York, New York, United States Profile: https://flows.cv/siyun Innovative software engineer with six years of experience in human resources and customer service, combining technical expertise with strong communication skills to deliver user-centric solutions. Languages: JavaScript, TypeScript, Python, SQL, HTML, CSS Technologies: Node.js, React, Next.js, Angular, Express.js, PostgreSQL, MongoDB, Material UI, Tailwind CSS, Bootstrap, Jasmine, Mocha, Chai, REST API, GraphQL, Test Driven Development, Agile Software Development GitHub: https://github.com/siyunfeng Portfolio: https://siyunfeng.vercel.app/ ## Work Experience ### Software Engineer @ Hack for LA Jan 2024 – Present • Maintained and enhanced the Hack for LA website using JavaScript, HTML, SCSS, React, and Docker to ensure optimal performance and user experience • Developed interactive front-end components using JavaScript, MkDocs, and SCSS for an educational website, enabling students to effectively learn web development concepts • Created and tracked new issues, resolved outstanding issues, and conducted thorough code reviews to maintain code quality and streamline development • Participate in technical decision-making during weekly Agile team meetings to stay aligned with project goals, contribute to standups, and ensure adherence to project requirements ### Full Stack Engineer in Training @ The Grace Hopper Program at Fullstack Academy Jan 2022 – Jan 2022 | New York, NY A 17-week immersive software engineering program centered on full-stack JavaScript development. ### Retention Specialist @ UnitedHealth Group Jan 2019 – Jan 2021 | New York, NY • Exceeded target quotas by achieving over 98% quality assurance scores, earning quarterly performance bonuses • Delivered exceptional customer support by managing 40+ daily health assessment calls in English and Chinese • Ensured compliance and reliability by verifying beneficiaries' healthcare eligibility using CMS systems • Achieved exceptional customer satisfaction by troubleshooting issues, resolving complaints, and delivering requested information • Facilitated re-enrollment and retained disenrolled members by gathering feedback and addressing concerns through the Telesales department ### Senior Data Assistant @ Envirosell Jan 2018 – Jan 2019 | New York, NY • Increased productivity by 60% by converting the data collection process from paper surveys to tablets • Analyzed consumer behavior metrics from 100+ hours of footage, assessing demographics, store traffic, and store notice rates • Collaborated with data analysts to collect data for prominent clients, including Apple, Samsung, and Foot Locker ### Customer Service Representative @ 2R WIRELESS INC Jan 2017 – Jan 2018 | New York, New York, United States • Surpassed monthly sales targets by 20%, achieving $36,000 through upselling products and service plans • Engaged with over 30 customers daily, addressing inquiries, resolving issues, and facilitating new account setups • Trained new staff in product knowledge and sales strategies to improve overall sales performance ### Human Resources Specialist @ Homang Decorative Materials Co. Jan 2015 – Jan 2016 | Guangzhou, Guangdong, China • Boosted job applications by 70% by implementing and executing a recruitment program through social media • Reduced new employee ramp-up time by 45% by streamlining onboarding and orientation procedures • Managed all company benefits programs by serving as the administrator and primary point of contact ### Human Resources Specialist @ Bosheng Property Management Co. Jan 2013 – Jan 2015 | Guangzhou, Guangdong, China • Managed monthly payroll of $650,000 for over 350 employees, ensuring accurate and timely payments • Facilitated recruitment of over 75 new employees to support company growth from 2013 to 2015 • Improved HR record management by implementing and maintaining an employee database for over 350 employees ## Education ### Full-Stack Web Development Certificate The Grace Hopper Program at Fullstack Academy ### Bachelor's degree in Human Resources Management Huashang College Guangdong University of Finance & Economics ## Contact & Social - LinkedIn: https://linkedin.com/in/siyunfeng - Portfolio: https://siyunfeng.vercel.app/ - GitHub: https://github.com/siyunfeng --- Source: https://flows.cv/siyun JSON Resume: https://flows.cv/siyun/resume.json Last updated: 2026-04-13