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I'm a Senior Full Stack Engineer with 6+ years of experience designing, building, and deploying scalable web applications using React, Node.js, and Ruby on Rails. I design and ship end-to-end features that drive engagement and performance. I enjoy solving complex problems, architecting microservices, and optimizing SQL/NoSQL databases for high-traffic systems. I collaborate in Agile teams, integrate third-party services, and automate testing and deployments to cloud platforms.…I'm a Senior Full Stack Engineer with 6+ years of experience designing, building, and deploying scalable web applications using React, Node.js, and Ruby on Rails. I design and ship end-to-end features that drive engagement and performance. I enjoy solving complex problems, architecting microservices, and optimizing SQL/NoSQL databases for high-traffic systems. I collaborate in Agile teams, integrate third-party services, and automate testing and deployments to cloud platforms.

Mehwish Safarish

Full Stack Developer, Web Developer, Front-End Developer, +4

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I'm a Senior Full Stack Engineer with 6+ years of experience designing, building, and deploying scalable web applications using React, Node.js, and Ruby on Rails. I design and ship end-to-end features that drive engagement and performance. I enjoy solving complex problems, architecting microservices, and optimizing SQL/NoSQL databases for high-traffic systems. I collaborate in Agile teams, integrate third-party services, and automate testing and deployments to cloud platforms.…I'm a Senior Full Stack Engineer with 6+ years of experience designing, building, and deploying scalable web applications using React, Node.js, and Ruby on Rails. I design and ship end-to-end features that drive engagement and performance. I enjoy solving complex problems, architecting microservices, and optimizing SQL/NoSQL databases for high-traffic systems. I collaborate in Agile teams, integrate third-party services, and automate testing and deployments to cloud platforms.

Available to hire

I’m a Senior Full Stack Engineer with 6+ years of experience designing, building, and deploying scalable web applications using React, Node.js, and Ruby on Rails. I design and ship end-to-end features that drive engagement and performance.

I enjoy solving complex problems, architecting microservices, and optimizing SQL/NoSQL databases for high-traffic systems. I collaborate in Agile teams, integrate third-party services, and automate testing and deployments to cloud platforms.

Skills

Experience Level

Expert

Expert

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Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Senior Software Developer at TCP

May 1, 2020 - October 2, 2025

Developed secure RESTful APIs with JavaScript, supporting mobile and web clients in a high-volume SaaS product, and created internal admin dashboards to streamline business operations.

Software Engineer at System Built

September 1, 2022 - October 2, 2025

Built full-stack applications with React, Node, and Rails, supporting thousands of concurrent users. Designed relational schemas and tuned queries for PostgreSQL. Maintained legacy Rails modules while gradually migrating to a React front-end. Resolved complex applications and infrastructure issues, ensuring minimal downtime, and integrated third-party services via REST and GraphQL APIs. Participated in Agile sprints, conducted code reviews, and produced technical documentation.

Senior Full Stack Developer at Kito

December 1, 2022 - Present

Designed and delivered end-to-end features using ReactJS, Node.js/Express, and Ruby on Rails, improving application scalability and user engagement and reducing response times by 25%. Designed and maintained Django microservices, enabling high-traffic e-commerce features. Optimized PostgreSQL and MongoDB queries and indexing to support high-volume traffic. Deployed Python services on AWS (EC2, RDS, S3), automating releases through GitHub Actions. Mentored junior developers on Python best practices, asynchronous programming, and performance tuning.

Sr. Full Stack Developer at Kito

December 2, 2022 - Present

Designed and delivered end-to-end features using React, Next.js, and Node.js; implemented scalable front-end with Redux, Tailwind CSS, and Material-UI; built backend services in Python and Ruby on Rails; designed relational schemas and optimized PostgreSQL, MySQL, and MongoDB queries; deployed services on AWS (ECS, RDS, S3) and automated releases via GitHub Actions; mentored junior developers, promoted best practices in asynchronous programming, and tuned performance. Collaborated with data scientists to move ML models into production environments securely. Patched security and reliability gaps in microservices, migrated legacy Rails apps to modern front-end, and implemented background processing with real-time data updates.

Software Engineer at System Built

September 1, 2022 - October 2, 2025

Developed full-stack applications using React, Node.js, and Rails; designed relational schemas for PostgreSQL and MySQL; maintained legacy Rails code while gradually migrating front-end to React; implemented RESTful and GraphQL APIs; conducted code reviews and contributed to Agile/Scrum processes; built and enhanced CI/CD pipelines and automated testing; collaborated with data engineers to move ML models into production and improved system performance and reliability.

Software Engineer at System Built

September 1, 2022 - September 1, 2022

Designed relational schemas and tuned queries for PostgreSQL, improved response times. Maintained legacy Rails models while migrating to a React front-end. Resolved complex application and infrastructure issues, ensuring minimal downtime, and integrated third-party services via REST and GraphQL APIs. Participated in Agile sprints, conducted code reviews, and produced technical documentation.

Sr. Full Stack Developer at Kito

December 1, 2022 - November 25, 2025

Developed end-to-end features using React, Node.js, and Rails; built scalable microservices and deployed in AWS. Optimized Postgres and MongoDB queries, implemented background processing, and created internal dashboards for operations. Implemented CI/CD with GitHub Actions and automated testing.

Senior Full Stack Developer at Kito

December 2, 2022 - November 25, 2025

Designed and delivered end-to-end features using ReactJS, Node.js/Express, and Ruby on Rails; mentored junior developers on Python best practices, asynchronous programming, and performance tuning.

Software Engineer at System Built

March 1, 2018 - May 31, 2020

Designed and maintained legacy Rails modules while progressively migrating to a React front-end; resolved complex application and infrastructure issues, ensuring minimal downtime; integrated third-party services via REST and GraphQL APIs; enhanced platform interoperability; participated in Agile sprints, conducted code reviews, and produced technical documentation.

Software Engineer at System Built

June 1, 2020 - September 1, 2022

Built full-stack applications with React, Node, and Rails; supported thousands of concurrent users. Designed relational schemas and tuned queries for PostgreSQL; maintained legacy Rails modules while migrating to a React front-end. Resolved complex application and infrastructure issues, ensuring minimal downtime and integrating third-party services via REST and GraphQL APIs; contributed to Agile processes, code reviews, and technical documentation.