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Hi, I'm James Buoncristiani, a software engineer based in Seattle with a strong focus on frontend and full-stack tooling. I enjoy turning complex ideas into clean, scalable web apps using React, TypeScript, HTML, and CSS, and I’m comfortable working across the stack from UI to API design. My experience spans Amazon, Cisco/Outshift, Limelight Health, and a Pokemon project I founded. I’ve led feature development, built internal tools, optimized performance, and collaborated with cross-functional teams to deliver reliable software for hundreds of users. I’m passionate about shipping practical solutions and continuously learning new technologies.…Hi, I'm James Buoncristiani, a software engineer based in Seattle with a strong focus on frontend and full-stack tooling. I enjoy turning complex ideas into clean, scalable web apps using React, TypeScript, HTML, and CSS, and I’m comfortable working across the stack from UI to API design. My experience spans Amazon, Cisco/Outshift, Limelight Health, and a Pokemon project I founded. I’ve led feature development, built internal tools, optimized performance, and collaborated with cross-functional teams to deliver reliable software for hundreds of users. I’m passionate about shipping practical solutions and continuously learning new technologies.

James Buoncristiani

Web Developer, Programmer, Full Stack Developer, +5

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Hi, I'm James Buoncristiani, a software engineer based in Seattle with a strong focus on frontend and full-stack tooling. I enjoy turning complex ideas into clean, scalable web apps using React, TypeScript, HTML, and CSS, and I’m comfortable working across the stack from UI to API design. My experience spans Amazon, Cisco/Outshift, Limelight Health, and a Pokemon project I founded. I’ve led feature development, built internal tools, optimized performance, and collaborated with cross-functional teams to deliver reliable software for hundreds of users. I’m passionate about shipping practical solutions and continuously learning new technologies.…Hi, I'm James Buoncristiani, a software engineer based in Seattle with a strong focus on frontend and full-stack tooling. I enjoy turning complex ideas into clean, scalable web apps using React, TypeScript, HTML, and CSS, and I’m comfortable working across the stack from UI to API design. My experience spans Amazon, Cisco/Outshift, Limelight Health, and a Pokemon project I founded. I’ve led feature development, built internal tools, optimized performance, and collaborated with cross-functional teams to deliver reliable software for hundreds of users. I’m passionate about shipping practical solutions and continuously learning new technologies.

Available to hire

Hi, I’m James Buoncristiani, a software engineer based in Seattle with a strong focus on frontend and full-stack tooling. I enjoy turning complex ideas into clean, scalable web apps using React, TypeScript, HTML, and CSS, and I’m comfortable working across the stack from UI to API design.

My experience spans Amazon, Cisco/Outshift, Limelight Health, and a Pokemon project I founded. I’ve led feature development, built internal tools, optimized performance, and collaborated with cross-functional teams to deliver reliable software for hundreds of users. I’m passionate about shipping practical solutions and continuously learning new technologies.

Skills

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Expert

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Expert

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Expert

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Intermediate

Intermediate

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Intermediate

Work Experience

Software Engineer at TekSystems at Amazon

April 1, 2024 - Present

Contributed to feature development and refactored internal UI tools for the AWS team using React, TypeScript, HTML, and CSS, improving usability and maintainability. Developed a service layer in Python, JavaScript, and TypeScript to facilitate communication between Large Language Models (LLMs) and front-end applications, enabling seamless data exchange and integration.

Frontend Developer at Cisco Systems, Outshift

November 1, 2024 - August 20, 2025

Led the creation of pages and forms for a centralized AI tooling platform used by over 100 employees at Cisco Newsroom, utilizing React, React-Native, TypeScript, HTML, CSS, and Tailwind. Maintained monitoring metrics and panels for a security application used by the Cisco cybersecurity department with React, TypeScript, HTML, CSS, Node.js, and AWS. Developed features, panels, and fixed bugs on an API collaboration platform using React, Next.js, HTML, CSS, and Tailwind. Validated prototypes both internally and externally via customer interviews.

Software Engineer at Limelight Health

January 1, 2020 - August 20, 2025

Minimized requests by up to 60% to backend server through developing RESTful APIs for modifying or deleting multiple company members using Node.js and TypeScript. Optimized test completion time from 5-10 minutes to 10-15 seconds by automating mock data to speed up the automated testing process instead of querying the database, using Mocha and TypeScript. Enhanced uploading speed of spreadsheets by 30% through refactoring legacy functionality with Angular and TypeScript. Improved data loading speeds into health plan quoting engine by up to 50% through consolidating multiple front-end client apps using Angular.js and TypeScript.

QA Engineer at Limelight Health

March 1, 2018 - August 20, 2025

Decreased QA technical debt for health plan quoting application by over 40% through automating test cases with Java and Selenium. Improved test case coverage by 70% by developing manual test cases for QA engineers, using JIRA and Confluence.

Software Engineer at Tek Systems at Amazon

April 1, 2024 - Present

Contributed to feature development and refactored internal UI tools for the AWS team using React, TypeScript, HTML, and CSS, improving usability and maintainability. Developed a service layer in Python, JavaScript, and TypeScript to facilitate communication between Large Language Models and front-end applications, enabling seamless data exchange and integration.

Web Developer at Cisco Systems, Outshift

November 1, 2024 - September 2, 2025

Acted as innovation engineer investigating new investment and product opportunities. Leveraged React, React Native, TypeScript, NextJS, and Tailwind to rapidly prototype and iterate on innovative designs. Validated prototypes internally and externally via customer interviews. Created pages and forms for a centralized AI tooling platform used by over 100 employees at the Cisco Newsroom built with React, TypeScript, HTML, CSS, and Tailwind.

Software Engineer at Limelight Health

January 1, 2020 - September 2, 2025

Minimized server requests by up to 60% through developing RESTful APIs for modifying or deleting multiple company members using Node and TypeScript. Automated mock data generation to reduce test execution time from 5-10 minutes to 10-15 seconds using Mocha and TypeScript. Refactored legacy Angular functionality, enhancing spreadsheet upload speed by 30%. Improved health plan quoting engine data loading speeds by up to 50% by consolidating multiple client applications.

QA Engineer at Limelight Health

March 1, 2018 - September 2, 2025

Reduced QA technical debt by over 40% by automating test cases using Java and Selenium. Increased test case coverage by 70% by developing manual test cases for QA engineers using JIRA and Confluence.

Founder, Software Engineer at Pokemart Northwest

August 1, 2024 - Present

Founded and operate a platform for selling and consigning Pokémon cards.

Software Engineer at Amazon

April 1, 2024 - Present

Contributed to feature development and refactored internal UI tools for the AWS team using React, TypeScript, HTML, and CSS, improving usability and maintainability.

Frontend Developer at Cisco Systems / Outshift

November 1, 2024 - September 15, 2025

Led creation of pages and forms for a centralized AI tooling platform used by over 100 employees; built with React, React Native, TypeScript, HTML, CSS, and Tailwind. Maintained monitoring dashboards and security panels; implemented API collaboration tools with Node.js and AWS.

Software Engineer at Limelight Health

January 1, 2020 - September 15, 2025

Minimized backend requests by 60% via RESTful API improvements for member management; improved test coverage and automation; enhanced data loading speed for health plan quoting by consolidating frontend client apps.

QA Engineer at Limelight Health

March 1, 2018 - September 15, 2025

Decreased QA technical debt by over 40% through automated test cases; increased test coverage by 70% by developing manual test cases for QA engineers.

Software Engineer at Amazon (Tek Systems)**

April 1, 2024 - Present

Contributed to feature development and refactored internal UI tools for the AWS team using React, TypeScript, HTML, and CSS, improving usability and maintainability.

Frontend Developer at Outshift (Cisco Systems)

November 1, 2024 - September 15, 2025

Led the creation of pages and forms for a centralized AI tooling platform used by over 100 employees at Cisco Newsroom. Worked with React, React Native, TypeScript, HTML, CSS, and Tailwind. Maintained dashboards, monitored metrics, and built API-driven features for a security and collaboration platform. Validated prototypes via customer interviews and contributed to API collaboration tools.

Software Engineer at Limelight Health

January 1, 2020 - September 15, 2025

Minimized backend requests by 60% via RESTful API improvements; enhanced test coverage and QA processes; optimized data loading and performance for health plan quoting engines and front-end applications using Angular and TypeScript.

QA Engineer at Limelight Health

March 1, 2018 - September 15, 2025

Reduced QA technical debt by over 40% through automated test cases; improved test coverage by 70% via manual test case development; enhanced data loading performance in health plan quoting applications.

Founder at Pokemart Northwest

August 1, 2024 - Present

Platform for selling and consigning Pokemon cards.

Software Engineer at Amazon

April 1, 2024 - Present

Contributed to feature development and refactored internal UI tools for the AWS team using React, TypeScript, HTML, CSS, improving usability and maintainability.

Frontend Developer at Cisco Systems / Outshift

November 1, 2024 - September 15, 2025

Led creation of pages and forms for a centralized AI tooling platform used by over 100 employees at Cisco Newsroom. Technologies used: React, TypeScript, HTML, CSS and Tailwind.

Software Engineer at Limelight Health

January 1, 2020 - September 15, 2025

Minimized requests by up to 60% by developing RESTful API for modifying or deleting multiple members; improved test coverage and tooling; maintained dashboards and security apps.

QA Engineer at Limelight Health

March 1, 2018 - September 15, 2025

Decreased QA technical debt by automating test cases; improved test coverage by 70% through manual test cases for QA engineers.

Founder, Software Engineer at Pokemart North West

August 1, 2024 - Present

Platform for selling and consigning Pokemon Cards. Created front-end ecommerce application where fans can buy Pokemon trading cards using React, TypeScript, and Redux; platform designed for enthusiasts.