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I am a results-driven Full-Stack Developer specializing in web development, application modernization, and API integration. I build scalable, high-performance applications and improve team efficiency through mentorship, clean code practices, and agile collaboration. Over the course of my career I modernized legacy PHP/jQuery systems to React and Node.js, designed RESTful APIs with Joi validation, and wrote unit tests that reduced bugs and accelerated releases. I enjoy solving complex problems and delivering robust, maintainable solutions.…I am a results-driven Full-Stack Developer specializing in web development, application modernization, and API integration. I build scalable, high-performance applications and improve team efficiency through mentorship, clean code practices, and agile collaboration. Over the course of my career I modernized legacy PHP/jQuery systems to React and Node.js, designed RESTful APIs with Joi validation, and wrote unit tests that reduced bugs and accelerated releases. I enjoy solving complex problems and delivering robust, maintainable solutions.

Philip Costache

Web Developer, Full Stack Developer, Front-End Developer, +3

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I am a results-driven Full-Stack Developer specializing in web development, application modernization, and API integration. I build scalable, high-performance applications and improve team efficiency through mentorship, clean code practices, and agile collaboration. Over the course of my career I modernized legacy PHP/jQuery systems to React and Node.js, designed RESTful APIs with Joi validation, and wrote unit tests that reduced bugs and accelerated releases. I enjoy solving complex problems and delivering robust, maintainable solutions.…I am a results-driven Full-Stack Developer specializing in web development, application modernization, and API integration. I build scalable, high-performance applications and improve team efficiency through mentorship, clean code practices, and agile collaboration. Over the course of my career I modernized legacy PHP/jQuery systems to React and Node.js, designed RESTful APIs with Joi validation, and wrote unit tests that reduced bugs and accelerated releases. I enjoy solving complex problems and delivering robust, maintainable solutions.

Available to hire

I am a results-driven Full-Stack Developer specializing in web development, application modernization, and API integration. I build scalable, high-performance applications and improve team efficiency through mentorship, clean code practices, and agile collaboration.

Over the course of my career I modernized legacy PHP/jQuery systems to React and Node.js, designed RESTful APIs with Joi validation, and wrote unit tests that reduced bugs and accelerated releases. I enjoy solving complex problems and delivering robust, maintainable solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Work Experience

Full-Stack Developer at Thryv

November 1, 2024 - September 26, 2025

Modernized legacy applications by rewriting PHP/jQuery systems into React + Node.js, boosting scalability and performance. Designed and deployed RESTful APIs, implementing Joi for validation and Knex for MySQL integration. Authored unit tests that reduced production bugs by 20% and accelerated release cycles. Mentored junior developers, improving onboarding speed and team productivity.

Writer/Editor at How Was it

February 1, 2022 - September 26, 2025

Researched and wrote content, translating complex information into accessible articles. Collaborated with editorial teams to maintain quality and engagement.

HUD Reviewer at Title Source

August 1, 2015 - September 26, 2025

Verified and updated client data in loan management systems. Collaborated with cross-functional teams to ensure accuracy and compliance.

Research Assistant at E&C Law

September 1, 2014 - September 26, 2025

Conducted legal research and assisted with case documentation. Managed client communications and office operations.

Full-Stack Developer at Thryv

February 1, 2022 - November 1, 2024

Writer/Editor at How Was it

August 1, 2015 - February 1, 2022

Researched and wrote content, translating complex information into accessible articles. Collaborated with editorial teams to maintain quality and engagement.

HUD Reviewer at Title Source

October 1, 2014 - August 1, 2015

Verified and updated client data in loan management systems. Collaborated with cross-functional teams to ensure accuracy and compliance.

Research Assistant at E&C Law

January 1, 2009 - September 1, 2014

Conducted legal research and assisted with case documentation. Managed client communications and office operations.