Top Talent like Heisly are on Pangea

Pangea, a YC company, connects companies with fractional talent. Fractional hiring allows companies to move faster and work with more specialized talent, while giving talent more flexibility and independence. If you are talent open to fractional work, apply here. If you’re a company looking for high-quality fractional talent, learn more here.

Heisly Park

Full-stack Engineer
Centreville, VA, US
AWS
Express
Node.js
Next.js
MongoDB
MySQL
React
CI/CD
TypeScript
Python
Redis
Available for hire fromNegotiable
Senior Full Stack Developer | React, Next.js, Node.js | AWS & RESTful APIs | Performance-focused Engineer
Senior Full Stack Developer with 6+ years of experience building scalable web applications using React, Next.js, Node.js, AWS, and RESTful APIs. Proven track record delivering high-quality software for startups and enterprise teams, with a focus on performance, maintainability, and collaboration across product and design.

Work History

T

Lead Staff Developer

TechNova SolutionsAug 2022 - Dec 2025 • 3 yrs 5 mosDesigned and architected scalable APIs and distributed backend services, improving system performance by 30% and reducing server costs through optimized caching and data flow. Led development of a modern React/Next.js frontend platform serving thousands of daily users, improving UX scores and reducing page load times by 40%. Directed a team of 4 developers, performing code reviews, mentoring junior engineers, and establishing engineering standards that increased delivery velocity by 22%. Collaborated with product, design, and QA to define roadmap priorities, contributing to the successful release of 12+ major features. Modernized legacy modules into modular microservices, reducing deployment cycles from hours to minutes. Implemented CI/CD pipelines using AWS + GitHub Actions, reducing production incident frequency by 35%.
B

Full Stack Developer

Bluewave LabsJan 2021 - Aug 2022 • 1 yr 8 mosBuilt robust web applications using React, Node.js, Express, MongoDB, and RESTful APIs; supported multi-tenant architecture for enterprise clients. Developed and documented RESTful APIs; improved data reliability and throughput by 18%. Optimized front-end and back-end architecture and implemented best practices that reduced load times by 25% across all primary user flows. Partnered with designers and PMs to deliver features ahead of schedule while maintaining high code quality. Improved application security through role-based access, input validation, and endpoint hardening.
C

Junior Full Stack Developer

CodeBridge StudioMay 2020 - Dec 2020 • 8 mosBuilt reusable UI components using React and JavaScript for high-traffic client applications. Assisted backend development with Node.js and Laravel, contributing to API endpoints, database modeling, and authentication logic. Diagnosed and fixed bugs, improving overall stability and reducing user-reported issues by 20%. Learned full-stack architecture and CI/CD workflows, becoming a core contributor within the first 6 months.

Education

V

Virginia Tech

B.S., Computer Science2016 - 2019
I

Ironhack

Certificate, Full Stack Web Development2019 - 2020

How Pangea Works

Effortlessly discover top talent

We've distilled the candidate search from endless hours down to just a few minutes. Using Pangea's AI-powered search tools, you can find top fractional talent able to take on your next project. Our system looks at your company's niche and your needs to find the perfect match faster than any traditional hiring platform.

Start working with talent today

The top talent on Pangea is ready to get started with you right now. You can message or hire a candidate right from their profile page and start assigning work as soon as they respond. And the best part? Pangea's fractional contract structure lets you start small and ramp up as your needs change, keeping your costs manageable and your team's capabliities flexible.

Track work and invoices in one place

Assign tasks, track progress, and complete invoices all on Pangea. We've combined every part of the hiring process into one platform to eliminate the miscommunication that's unavoidable on other freelance platforms. We even send out 1099s to your contractors at the end of the year!

Talk with a Talent Expert

Members of our team are available to help you speed through the hiring process.
Available Now
Book a Call
Senior Full Stack Developer | React, Next.js, Node.js | AWS & RESTful APIs | Performance-focused Engineer
Senior Full Stack Developer with 6+ years of experience building scalable web applications using React, Next.js, Node.js, AWS, and RESTful APIs. Proven track record delivering high-quality software for startups and enterprise teams, with a focus on performance, maintainability, and collaboration across product and design.

Talk with a Talent Expert

Members of our team are available to help you speed through the hiring process.
Available Now
Book a Call

Top Talent like Heisly are on Pangea

Pangea, a YC company, connects companies with fractional talent. Fractional hiring allows companies to move faster and work with more specialized talent, while giving talent more flexibility and independence. If you are talent open to fractional work, apply here. If you’re a company looking for high-quality fractional talent, learn more here.

Heisly Park

Full-stack Engineer
Centreville, VA, US
AWS
Express
Node.js
Next.js
MongoDB
MySQL
React
CI/CD
TypeScript
Python
Redis
Available for hire fromNegotiable

Work History

T

Lead Staff Developer

TechNova SolutionsAug 2022 - Dec 2025 • 3 yrs 5 mosDesigned and architected scalable APIs and distributed backend services, improving system performance by 30% and reducing server costs through optimized caching and data flow. Led development of a modern React/Next.js frontend platform serving thousands of daily users, improving UX scores and reducing page load times by 40%. Directed a team of 4 developers, performing code reviews, mentoring junior engineers, and establishing engineering standards that increased delivery velocity by 22%. Collaborated with product, design, and QA to define roadmap priorities, contributing to the successful release of 12+ major features. Modernized legacy modules into modular microservices, reducing deployment cycles from hours to minutes. Implemented CI/CD pipelines using AWS + GitHub Actions, reducing production incident frequency by 35%.
B

Full Stack Developer

Bluewave LabsJan 2021 - Aug 2022 • 1 yr 8 mosBuilt robust web applications using React, Node.js, Express, MongoDB, and RESTful APIs; supported multi-tenant architecture for enterprise clients. Developed and documented RESTful APIs; improved data reliability and throughput by 18%. Optimized front-end and back-end architecture and implemented best practices that reduced load times by 25% across all primary user flows. Partnered with designers and PMs to deliver features ahead of schedule while maintaining high code quality. Improved application security through role-based access, input validation, and endpoint hardening.
C

Junior Full Stack Developer

CodeBridge StudioMay 2020 - Dec 2020 • 8 mosBuilt reusable UI components using React and JavaScript for high-traffic client applications. Assisted backend development with Node.js and Laravel, contributing to API endpoints, database modeling, and authentication logic. Diagnosed and fixed bugs, improving overall stability and reducing user-reported issues by 20%. Learned full-stack architecture and CI/CD workflows, becoming a core contributor within the first 6 months.

Education

V

Virginia Tech

B.S., Computer Science2016 - 2019
I

Ironhack

Certificate, Full Stack Web Development2019 - 2020

How Pangea Works

Effortlessly discover top talent

We've distilled the candidate search from endless hours down to just a few minutes. Using Pangea's AI-powered search tools, you can find top fractional talent able to take on your next project. Our system looks at your company's niche and your needs to find the perfect match faster than any traditional hiring platform.

Start working with talent today

The top talent on Pangea is ready to get started with you right now. You can message or hire a candidate right from their profile page and start assigning work as soon as they respond. And the best part? Pangea's fractional contract structure lets you start small and ramp up as your needs change, keeping your costs manageable and your team's capabliities flexible.

Track work and invoices in one place

Assign tasks, track progress, and complete invoices all on Pangea. We've combined every part of the hiring process into one platform to eliminate the miscommunication that's unavoidable on other freelance platforms. We even send out 1099s to your contractors at the end of the year!

Talk with a Talent Expert

Members of our team are available to help you speed through the hiring process.
Available Now
Book a Call
Pangea empowers fractional work across the world for marketing and design roles.