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George UserGU
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George User

@georgeuser7

Senior Full-Stack Engineer with 10+ years building scalable web, backend, and mobile apps using Node.js, React, and cloud-native architectures.

United States
Message

I’m a Senior Full-Stack Engineer with over 10 years of experience building scalable marketplace platforms, enterprise software, and data-driven tools across startups, biotech, and government sectors. My background spans backend engineering with TypeScript, Node.js, PostgreSQL, MongoDB, and Kafka, as well as front-end and mobile development using React, React Native, and modern JavaScript frameworks.

Throughout my career, I’ve delivered high-impact applications that handle real-time transactions, complex data models, and millions of user interactions. I’ve contributed to platform architecture at TaskRabbit, helped build scientific tooling at Senti Biosciences, and developed digital infrastructure for government services in Panama. I enjoy solving hard engineering problems, designing clean system boundaries, and improving performance in distributed environments.

I’m passionate about building products that feel fast, intuitive, and reliable, and I value strong engineering culture, thoughtful design decisions, and teams that care about long-term maintainability. My interests include cloud-native architectures, event-driven systems, AI-assisted development, and pushing software beyond simple CRUD experiences into scalable, resilient platforms.

Experience

Work history, roles, and key accomplishments

TaskRabbit logoTA
Current

Senior Software Engineer

Apr 2021 - Present (4 years 8 months)

Contributed to TaskRabbit's marketplace platform by developing backend APIs for payments, task matching, and ratings, and engineered polyglot persistence to improve reliability and real-time chat functionality.

SB

Software Engineer

Senti Biosciences

Dec 2018 - Mar 2021 (2 years 3 months)

Designed and developed a biosciences tooling platform frontend using React and Material-UI, improving user engagement by 30% and optimizing data retrieval performance through schema and query improvements.

IN

Independent Web Developer

IndieDev

May 2015 - Nov 2018 (3 years 6 months)

Built full-stack web applications for businesses and artists, architecting MVC projects and implementing performant interactive features across frontend and backend stacks.

AG

Software Engineer

Autoridad Nacional para la Innovación Gubernamental

Apr 2014 - Mar 2015 (11 months)

Built a transportation lookup system and modeled driver/ticket data in MongoDB to handle 2+ million records, maintaining pre-production database uptime and delivering a Node.js/Express RESTful API.

Education

Degrees, certifications, and relevant coursework

UP

Universidad Tecnológica de Panamá

Bachelor in Computer Engineering, Computer Engineering

Grade: 2.53/3.0

Bachelor in Computer Engineering, graduated with honors in March 2015 with a cumulative GPA of 2.53/3.0.

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George User - Senior Software Engineer - TaskRabbit | Himalayas