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Hi, I'm Hasan Nadeem, a Senior Software Engineer specializing in Full-Stack development with a particular focus on Ruby on Rails and modern JavaScript frameworks. I have hands-on experience leading backend development, optimizing performance, and integrating AI capabilities into SaaS platforms. I've worked extensively with UI/UX teams to deliver robust, production-ready features and enjoy mentoring junior developers to improve code quality and best practices. Throughout my career, I've contributed to varied projects across startups and established companies, handling both front-end and back-end tasks, ranging from e-commerce to event management systems. My passion lies in building scalable, maintainable solutions that enhance user experience and business outcomes, while keeping abreast of technological advancements in the software development sphere.…Hi, I'm Hasan Nadeem, a Senior Software Engineer specializing in Full-Stack development with a particular focus on Ruby on Rails and modern JavaScript frameworks. I have hands-on experience leading backend development, optimizing performance, and integrating AI capabilities into SaaS platforms. I've worked extensively with UI/UX teams to deliver robust, production-ready features and enjoy mentoring junior developers to improve code quality and best practices. Throughout my career, I've contributed to varied projects across startups and established companies, handling both front-end and back-end tasks, ranging from e-commerce to event management systems. My passion lies in building scalable, maintainable solutions that enhance user experience and business outcomes, while keeping abreast of technological advancements in the software development sphere.

Hasan Nadeem

Full Stack Developer, Programmer, Developer, +1

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Hi, I'm Hasan Nadeem, a Senior Software Engineer specializing in Full-Stack development with a particular focus on Ruby on Rails and modern JavaScript frameworks. I have hands-on experience leading backend development, optimizing performance, and integrating AI capabilities into SaaS platforms. I've worked extensively with UI/UX teams to deliver robust, production-ready features and enjoy mentoring junior developers to improve code quality and best practices. Throughout my career, I've contributed to varied projects across startups and established companies, handling both front-end and back-end tasks, ranging from e-commerce to event management systems. My passion lies in building scalable, maintainable solutions that enhance user experience and business outcomes, while keeping abreast of technological advancements in the software development sphere.…Hi, I'm Hasan Nadeem, a Senior Software Engineer specializing in Full-Stack development with a particular focus on Ruby on Rails and modern JavaScript frameworks. I have hands-on experience leading backend development, optimizing performance, and integrating AI capabilities into SaaS platforms. I've worked extensively with UI/UX teams to deliver robust, production-ready features and enjoy mentoring junior developers to improve code quality and best practices. Throughout my career, I've contributed to varied projects across startups and established companies, handling both front-end and back-end tasks, ranging from e-commerce to event management systems. My passion lies in building scalable, maintainable solutions that enhance user experience and business outcomes, while keeping abreast of technological advancements in the software development sphere.

Available to hire

Hi, I’m Hasan Nadeem, a Senior Software Engineer specializing in Full-Stack development with a particular focus on Ruby on Rails and modern JavaScript frameworks. I have hands-on experience leading backend development, optimizing performance, and integrating AI capabilities into SaaS platforms. I’ve worked extensively with UI/UX teams to deliver robust, production-ready features and enjoy mentoring junior developers to improve code quality and best practices.

Throughout my career, I’ve contributed to varied projects across startups and established companies, handling both front-end and back-end tasks, ranging from e-commerce to event management systems. My passion lies in building scalable, maintainable solutions that enhance user experience and business outcomes, while keeping abreast of technological advancements in the software development sphere.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Work Experience

Senior Full-Stack Ruby on Rails Engineer at Manifestly

January 1, 2024 - Present

Led backend development for a SaaS checklist platform utilizing a monolithic Ruby on Rails architecture. Upgraded system framework from Rails 7.0 to 7.1 to enhance performance and integrated OpenAI API for intelligent content generation. Developed reusable front-end view components to reduce code duplication. Applied input sanitization for CSV uploads and integrated dynamic forms using Form.io. Enhanced API response times through query optimization and caching strategies. Tuned Sidekiq jobs and Redis pipelines for improved system throughput and reliability. Mentored junior developers and conducted code reviews to ensure best practices.

Senior Full-Stack Engineer at Mula-X Holding (Thailand) Co. Ltd.

December 31, 2023 - August 4, 2025

Designed and developed user interfaces and backend systems across the Mula-X ecosystem. Integrated new systems with existing infrastructure and workflows. Authored integration tests simulating cross-module communication under various scenarios. Collaborated with UI/UX designers and cross-functional teams to deliver production-ready features.

Software Engineer at Devsinc

September 1, 2020 - August 4, 2025

Maintained manuals and guides for developed applications. Participated in requirement gathering and technical planning with clients and stakeholders. Developed and maintained web and mobile applications including e-commerce and event management systems. Optimized application performance and scalability through improved system configurations. Diagnosed and resolved bugs by performing root cause analysis. Provided peer mentoring and shared knowledge through internal documentation.

Associate Software Engineer at Devsinc

July 1, 2020 - August 4, 2025

Developed and maintained HR management modules and user interfaces. Built interactive front-end components for mobile and web platforms. Delivered new features and enhancements with attention to clean code practices. Adapted to various working styles within agile teams and followed industry coding standards.