Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Hi, I'm Ren Saito, an experienced Software Developer specializing in front-end development with a strong focus on Typescript, React, and Python. Over the past few years, I've enjoyed building interactive interfaces and solving complex problems that make software more user-centric and impactful. I'm passionate about writing clean code and collaborating with teams to deliver high-quality software solutions. I've worked on a variety of projects, including developing secure AI-powered tools, automation frameworks, and workforce analytics dashboards. Always eager to learn new technologies and improve workflows, I love exploring AI tools and integrating new features that boost productivity. In my free time, I also enjoy creating personal projects like unique portfolios and games to keep sharpening my skills.…Hi, I'm Ren Saito, an experienced Software Developer specializing in front-end development with a strong focus on Typescript, React, and Python. Over the past few years, I've enjoyed building interactive interfaces and solving complex problems that make software more user-centric and impactful. I'm passionate about writing clean code and collaborating with teams to deliver high-quality software solutions. I've worked on a variety of projects, including developing secure AI-powered tools, automation frameworks, and workforce analytics dashboards. Always eager to learn new technologies and improve workflows, I love exploring AI tools and integrating new features that boost productivity. In my free time, I also enjoy creating personal projects like unique portfolios and games to keep sharpening my skills.

Ren Saito

Developer, Front-End Developer, QA Engineer, +1





Hi, I'm Ren Saito, an experienced Software Developer specializing in front-end development with a strong focus on Typescript, React, and Python. Over the past few years, I've enjoyed building interactive interfaces and solving complex problems that make software more user-centric and impactful. I'm passionate about writing clean code and collaborating with teams to deliver high-quality software solutions. I've worked on a variety of projects, including developing secure AI-powered tools, automation frameworks, and workforce analytics dashboards. Always eager to learn new technologies and improve workflows, I love exploring AI tools and integrating new features that boost productivity. In my free time, I also enjoy creating personal projects like unique portfolios and games to keep sharpening my skills.…Hi, I'm Ren Saito, an experienced Software Developer specializing in front-end development with a strong focus on Typescript, React, and Python. Over the past few years, I've enjoyed building interactive interfaces and solving complex problems that make software more user-centric and impactful. I'm passionate about writing clean code and collaborating with teams to deliver high-quality software solutions. I've worked on a variety of projects, including developing secure AI-powered tools, automation frameworks, and workforce analytics dashboards. Always eager to learn new technologies and improve workflows, I love exploring AI tools and integrating new features that boost productivity. In my free time, I also enjoy creating personal projects like unique portfolios and games to keep sharpening my skills.

Available to hire

Hi, I’m Ren Saito, an experienced Software Developer specializing in front-end development with a strong focus on Typescript, React, and Python. Over the past few years, I’ve enjoyed building interactive interfaces and solving complex problems that make software more user-centric and impactful. I’m passionate about writing clean code and collaborating with teams to deliver high-quality software solutions.

I’ve worked on a variety of projects, including developing secure AI-powered tools, automation frameworks, and workforce analytics dashboards. Always eager to learn new technologies and improve workflows, I love exploring AI tools and integrating new features that boost productivity. In my free time, I also enjoy creating personal projects like unique portfolios and games to keep sharpening my skills.

Skills

Experience Level

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Software Development Engineer in Test at Relay

February 1, 2023 - July 20, 2025

Developed a test automation framework with Typescript, Mocha, and Chai, integrated into CI/CD pipelines to streamline testing and enhance deployment reliability. Manually tested web applications and servers using Postman to identify and report production bugs. Promoted from QA Test Automation Intern to full-time role in February 2022.

Software Developer at Scarlatti

February 1, 2023 - Present

Developed a secure, company-wide ChatGPT web interface which centralized AI model key sharing, reducing AI usage costs by over 95%. Integrated complex features such as audio file transcription, file uploads, and authentication using Typescript, React, Node.js, Weaviate, and Microsoft Entra ID. Built a voice assessment tool that streamed live audio to an AI chatbot and implemented a real-time grading bot using OpenAI tools. Enhanced a custom survey platform by adding new question types, live results customization, external integrations including Mailchimp, and automated tests in Bitbucket Pipelines. Created and deployed public-facing workforce analytics dashboards with Python, Dash, and PostgreSQL. Integrated HotJar with Scarlatti's website for user behavior analysis and curated AI tools to improve team productivity.