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I’m a senior software developer with over 12 years of experience delivering scalable, high-performance software across tech, fintech, healthcare, and gaming. I specialize in full-stack and mobile development using React, React Native, Angular, Next.js, Laravel, and Node.js. I’m skilled at building modern, responsive applications, leading distributed teams, and optimizing CI/CD pipelines on AWS and Azure. I thrive on clear communication, fast adaptation, and delivering complex projects on time. I enjoy collaborating with product managers and clients to translate requirements into maintainable architectures and data-driven solutions that scale.…I’m a senior software developer with over 12 years of experience delivering scalable, high-performance software across tech, fintech, healthcare, and gaming. I specialize in full-stack and mobile development using React, React Native, Angular, Next.js, Laravel, and Node.js. I’m skilled at building modern, responsive applications, leading distributed teams, and optimizing CI/CD pipelines on AWS and Azure. I thrive on clear communication, fast adaptation, and delivering complex projects on time. I enjoy collaborating with product managers and clients to translate requirements into maintainable architectures and data-driven solutions that scale.

Sean Westfall

Full Stack Developer, Web Developer, Back-End Developer, +2

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I’m a senior software developer with over 12 years of experience delivering scalable, high-performance software across tech, fintech, healthcare, and gaming. I specialize in full-stack and mobile development using React, React Native, Angular, Next.js, Laravel, and Node.js. I’m skilled at building modern, responsive applications, leading distributed teams, and optimizing CI/CD pipelines on AWS and Azure. I thrive on clear communication, fast adaptation, and delivering complex projects on time. I enjoy collaborating with product managers and clients to translate requirements into maintainable architectures and data-driven solutions that scale.…I’m a senior software developer with over 12 years of experience delivering scalable, high-performance software across tech, fintech, healthcare, and gaming. I specialize in full-stack and mobile development using React, React Native, Angular, Next.js, Laravel, and Node.js. I’m skilled at building modern, responsive applications, leading distributed teams, and optimizing CI/CD pipelines on AWS and Azure. I thrive on clear communication, fast adaptation, and delivering complex projects on time. I enjoy collaborating with product managers and clients to translate requirements into maintainable architectures and data-driven solutions that scale.

Available to hire

I’m a senior software developer with over 12 years of experience delivering scalable, high-performance software across tech, fintech, healthcare, and gaming. I specialize in full-stack and mobile development using React, React Native, Angular, Next.js, Laravel, and Node.js. I’m skilled at building modern, responsive applications, leading distributed teams, and optimizing CI/CD pipelines on AWS and Azure.

I thrive on clear communication, fast adaptation, and delivering complex projects on time. I enjoy collaborating with product managers and clients to translate requirements into maintainable architectures and data-driven solutions that scale.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Senior Software Developer & Consultant at Upwork, Gun.io, Testlio, Worldwide

November 1, 2019 - November 12, 2025

Designed and delivered custom full-stack and mobile applications for clients across tech, fintech, healthcare, and gaming sectors. Built responsive web and mobile apps using React, React Native, Angular, Next.js, and Laravel, improving usability and performance across platforms. Led end-to-end architecture and deployment on AWS and Azure, implementing CI/CD pipelines with Jenkins and GitHub Actions. Collaborated with product managers and clients to define clear technical goals and maintain delivery timelines. Created data-driven solutions using MongoDB and MySQL, ensuring scalability and security for SMB-scale platforms. Managed Agile/Scrum workflows and mentored junior developers to uphold high engineering standards.

Senior Software Engineer at Mode Transportation

August 1, 2021 - August 1, 2021

Enhanced the Transportation Management System (TMS) using PHP, Symfony, Twig, and Angular, improving data flow and UI responsiveness. Integrated EDI214 features for real-time carrier and client updates, optimizing freight tracking reliability. Migrated infrastructure to AWS and Azure, increasing uptime to 99.9%. Implemented CI/CD pipelines using Jenkins and GitHub Actions to accelerate release cycles.

Web Interaction Developer at Zwift Inc.

April 1, 2019 - April 1, 2019

Developed and maintained Zwift.com using React and Angular, enhancing front-end interactivity and site performance for millions of users. Built a React Native prototype for Zwift’s companion mobile app to improve user engagement and real-time data syncing. Integrated third-party tools like Kustomer and Discourse for community and support systems. Created responsive HTML and CSS templates with dynamic JavaScript and React components.

Software Development Engineer at ChromeRiver Technologies

February 1, 2017 - February 1, 2017

Developed enterprise-level expense and invoice management systems using Java EE and JavaScript. Contributed to migrating web modules to Angular, improving load times and UI flexibility. Built API integrations with Laravel to connect internal and external financial systems. Strengthened back-end services through optimized Java EE microservices and structured data flow.

Associate Web Developer at Internet Brands Inc.

July 1, 2015 - July 1, 2015

Developed and maintained ModelMayhem.com, the largest networking platform for models and photographers. Rebuilt the platform as a single-page application using AngularJS, improving performance and engagement metrics. Collaborated with design and product teams to enhance UX/UI and implement scalable front-end architecture.