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Senior Software Engineer with about 12 years of experience building responsive web application interfaces and the backend technologies that support them, including secure REST APIs and authentication flows. React and Node.js experience shows up in day-to-day delivery and clean, maintainable code standards. Career impact includes supporting mission-critical operations at scale while improving reliability and usability across distributed networks and devices. Collaboration and communication shape how systems are designed for uptime, safety, and clarity.…Senior Software Engineer with about 12 years of experience building responsive web application interfaces and the backend technologies that support them, including secure REST APIs and authentication flows. React and Node.js experience shows up in day-to-day delivery and clean, maintainable code standards. Career impact includes supporting mission-critical operations at scale while improving reliability and usability across distributed networks and devices. Collaboration and communication shape how systems are designed for uptime, safety, and clarity.

Kevin W Shen

Software Engineer, Back-End Developer, Full Stack Developer, +2

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Senior Software Engineer with about 12 years of experience building responsive web application interfaces and the backend technologies that support them, including secure REST APIs and authentication flows. React and Node.js experience shows up in day-to-day delivery and clean, maintainable code standards. Career impact includes supporting mission-critical operations at scale while improving reliability and usability across distributed networks and devices. Collaboration and communication shape how systems are designed for uptime, safety, and clarity.…Senior Software Engineer with about 12 years of experience building responsive web application interfaces and the backend technologies that support them, including secure REST APIs and authentication flows. React and Node.js experience shows up in day-to-day delivery and clean, maintainable code standards. Career impact includes supporting mission-critical operations at scale while improving reliability and usability across distributed networks and devices. Collaboration and communication shape how systems are designed for uptime, safety, and clarity.

Available to hire

Senior Software Engineer with about 12 years of experience building responsive web application interfaces and the backend technologies that support them, including secure REST APIs and authentication flows. React and Node.js experience shows up in day-to-day delivery and clean, maintainable code standards.

Career impact includes supporting mission-critical operations at scale while improving reliability and usability across distributed networks and devices. Collaboration and communication shape how systems are designed for uptime, safety, and clarity.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Software Engineer at VotingWorks

February 1, 2023 - Present

Delivered features for a private remote peer network supporting remote-node management, user access, network monitoring, and real-time connectivity workflows. Built a scalable web-based system with dashboards for users, devices, and networks, emphasizing responsive behavior and real-time monitoring. Authored secure REST APIs and backend services with authentication and role-based access control for safe and auditable operations. Built a secure web platform that reduced manual coordination time by 35% during peak election-day operations and streamlined user access across 12 remote device categories. Implemented dashboards that improved incident triage speed by 2.1x through clearer state and connectivity visibility. Reduced API error rates by 28% by tightening validation and response contracts. Decreased unauthorized access attempts by 41% via least-privilege enforcement. Added real-time monitoring using WebSockets, bringing alert latency down to 750ms.

Senior Software Engineer

February 1, 2023 - Present

Delivered features for a private remote peer network supporting remote-node management, user access, network monitoring, and real-time connectivity workflows. Built a scalable web-based system with dashboards for users, devices, and networks, emphasizing responsive behavior and real-time monitoring. Authored secure REST APIs and backend services with authentication and role-based access control for safe, auditable operations. Improved operational efficiency by reducing manual coordination time by 35% during peak election-day operations. Streamlined remote-node management workflows and access across 12 remote device categories in production. Increased incident triage speed by 2.1x through clearer state and connectivity visibility. Reduced API error rates by 28% via tighter validation and consistent response contracts, and decreased unauthorized access attempts by 41% using least-privilege access enforcement. Added WebSockets-based real-time monitoring to reduce alert latency to 750ms.

Software Engineer at Stripe

June 1, 2019 - September 30, 2022

Engineered secure modern web applications supporting networking-heavy services and improving developer experience for building and managing user-facing flows at scale. Focused on backend technologies, databases, and cloud platforms to enable reliable REST APIs and dependable system behavior. Improved reliability by 22% under peak load by hardening request lifecycles and failure handling. Modernized frontend components to improve time-to-interactive by 18%. Solved concurrency and distributed networking challenges, reducing support escalations by 26%. Built scalable multi-tenant web system designs that reduced rollout risk across environments, and improved delivery predictability by standardizing contract testing and documentation.

Software Engineer at Clever Inc.

July 1, 2014 - April 30, 2019

Created user authentication and interoperability-focused features for an education platform with emphasis on secure access patterns and smooth user experiences. Built modern frontend frameworks connected to backend technologies and databases to keep systems stable during traffic spikes. Implemented OAuth and JWT-based authentication flows, reducing login failures by 19% during major rollout weeks. Developed UI flows to improve usability for account linking and streamline onboarding across multiple cohorts. Built secure integration endpoints using REST APIs with consistent authorization checks, reducing configuration issues reported by 24%. Improved SaaS platform reliability by optimizing database performance and cutting slow query times by 33%.