Available to hire
Hi, I’m Harshendra Kumar Upadhyay, a results-driven Software Engineer with over 9 years of experience specializing in building scalable, high-performance front-end and cross-platform applications. I have a strong passion for creating seamless user experiences through React, React Native, and modern JavaScript frameworks, combined with back-end expertise using Node.js and related technologies. I enjoy architecting modular UI components and delivering cloud-native solutions that exceed business goals.
Throughout my career, I’ve successfully led and contributed to various projects, particularly in eCommerce and mobile-first strategies, while collaborating closely with cross-functional teams. I thrive in Agile environments and continuously push for optimized performance and maintainable codebases. I’m excited to bring my technical skills and collaborative spirit to create innovative software solutions.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Language
English
Fluent
Hindi
Fluent
Work Experience
Senior Software Engineer at Quess Corp – DXC Technology – National Bank of Australia
June 1, 2024 - July 9, 2025Spearheaded the development of scalable, cross-platform mobile and web applications using React, React Native, Node.js, and Chakra UI, ensuring seamless functionality across iOS and Android. Designed and implemented cloud-native solutions leveraging AWS (S3, RDS) and MySQL, contributing to robust back-end infrastructure. Delivered responsive, high-performance eCommerce modules, enhancing customer experience. Architected modular and reusable UI components for better performance and maintainability across projects. Collaborated with product owners and marketing teams to define feature specifications and translate business needs into technical deliverables. Managed end-to-end development lifecycle from design to deployment, ensuring adherence to Agile sprint goals. Maintained clean version control workflow using Git, GitHub, and GitLab, facilitating secure and efficient code integration.
Senior Software Engineer at AVOWS IT Solution Pvt. Ltd. (Klodius Services SDN BHD) – Direct TV
July 1, 2022 - March 1, 2024• Led full-stack development using React, React Native, Node.js, and MySQL, deploying solutions on AWS infrastructure.
• Built cross-platform mobile apps optimized for performance and UI consistency, using modular React components.
• Developed customer-facing eCommerce platforms, integrating Stripe and PayPal payment gateways.
• Drove Agile execution of milestones, delivering high-quality releases through sprint planning, estimation, and collaboration.
• Established a Custom Reusable React Component Library, improving development speed and standardization across teams.
• Facilitated integration of third-party APIs, including social login and analytics tools.
• Actively contributed to team collaboration through effective use of Git, GitHub, and GitLab for CI/CD and code reviews.
Frontend Team Lead at Mosaic Wellness
December 1, 2021 - June 1, 2022• Led a team of front-end engineers in building responsive web applications, including a Doctor’s Panel for managing appointments and prescriptions.
• Actively contributed to product roadmap discussions with stakeholders; assigned and tracked sprint deliverables using Agile principles.
• Managed deployment processes and ensured seamless delivery of features within defined timelines.
• Engineered and deployed key modules integrating Google & Facebook login, and payment systems (Stripe, PayPal).
• Utilized AdonisJS and Node.js for back-end logic and MySQL with AWS (RDS/S3) for scalable storage solutions.
• Ensured UI reusability and speed through custom component development and internal library creation.
• Promoted Git best practices and CI workflow for efficient collaboration and continuous delivery.
Senior Software Developer (Contractor) at Juwelo GmbH (Nirvana Gems and Jewels)
August 1, 2019 - December 1, 2021Delivered 15+ web applications using React, TypeScript, Redux, Chakra UI, and custom component libraries. Integrated secure payment systems and social authentication modules to enhance the user journey. Utilized AdonisJS, Node.js, and MySQL for back-end services, hosted on AWS for scalability and reliability. Translated functional specifications into technical architecture while collaborating with stakeholders across departments. Designed reusable architecture patterns to standardize front-end development and improve delivery speed. Maintained development best practices via Git-based repositories, ensuring high code quality and auditability.
React Native Developer at Punchh Inc
August 2, 2016 - July 1, 2019• Developed highly scalable, cross-platform mobile applications using React Native, designed for performance and used by over a million users.
• Focused on component reusability, performance optimization, and clean architecture to ensure long-term maintainability.
• Contributed to the foundational mobile app architecture and worked closely with back-end teams to integrate APIs and ensure smooth functionality.
Senior Software Engineer at Quess Corp – DXC Technology – National Bank of Australia
June 30, 2025 - July 9, 2025Spearheaded the development of scalable, cross-platform mobile and web applications using React, React Native, Node.js, and Chakra UI, ensuring seamless functionality across iOS and Android. Designed and implemented cloud-native solutions leveraging AWS (S3, RDS) and MySQL, contributing to robust back-end infrastructure. Delivered responsive, high-performance eCommerce modules, enhancing customer experience. Architected modular and reusable UI components for better performance and maintainability across projects. Collaborated with product owners and marketing teams to define feature specifications and translate business needs into technical deliverables. Managed end-to-end development lifecycle from design to deployment, ensuring adherence to Agile sprint goals. Maintained clean version control workflow using Git, GitHub, and GitLab, facilitating secure and efficient code integration.
Senior Software Engineer at AVOWS IT Solution Pvt. Ltd. (Klodius Services SDN BHD) – Direct TV
March 31, 2024 - July 9, 2025Led full-stack development using React, React Native, Node.js, and MySQL, deploying solutions on AWS infrastructure. Built cross-platform mobile apps optimized for performance and UI consistency, using modular React components. Developed customer-facing eCommerce platforms, integrating Stripe and PayPal payment gateways. Drove Agile execution of milestones, delivering high-quality releases through sprint planning, estimation, and collaboration. Established a Custom Reusable React Component Library, improving development speed and standardization across teams. Facilitated integration of third-party APIs, including social login and analytics tools. Actively contributed to team collaboration through effective use of Git, GitHub, and GitLab for CI/CD and code reviews.
Frontend Team Lead at Mosaic Wellness
June 30, 2022 - July 9, 2025Led a team of front-end engineers in building responsive web applications, including a Doctor’s Panel for managing appointments and prescriptions. Actively contributed to product roadmap discussions with stakeholders; assigned and tracked sprint deliverables using Agile principles. Managed deployment processes and ensured seamless delivery of features within defined timelines. Engineered and deployed key modules integrating Google & Facebook login, and payment systems (Stripe, PayPal). Utilized AdonisJS and Node.js for back-end logic and MySQL with AWS (RDS/S3) for scalable storage solutions. Ensured UI reusability and speed through custom component development and internal library creation. Promoted Git best practices and CI workflow for efficient collaboration and continuous delivery.
Senior Software Developer (Contractor) at Juwelo GmbH (Nirvana Gems and Jewels)
December 31, 2021 - July 9, 2025Delivered 15+ web applications using React, TypeScript, Redux, Chakra UI, and custom component libraries. Integrated secure payment systems and social authentication modules to enhance the user journey. Utilized AdonisJS, Node.js, and MySQL for back-end services, hosted on AWS for scalability and reliability. Translated functional specifications into technical architecture while collaborating with stakeholders across departments. Designed reusable architecture patterns to standardize front-end development and improve delivery speed. Maintained development best practices via Git-based repositories, ensuring high code quality and auditability.
React Native Developer at Punchh Inc
July 31, 2019 - July 9, 2025Developed highly scalable, cross-platform mobile applications using React Native, designed for performance and used by over a million users. Focused on component reusability, performance optimization, and clean architecture to ensure long-term maintainability. Contributed to the foundational mobile app architecture and worked closely with back-end teams to integrate APIs and ensure smooth functionality.
Senior Software Engineer at Quess Corp – DXC Technology – National Bank of Australia
June 30, 2025 - July 14, 2025Spearheaded the development of scalable, cross-platform mobile and web applications using React, React Native, Node.js, and Chakra UI, ensuring seamless functionality across iOS and Android. Designed and implemented cloud-native solutions leveraging AWS (S3, RDS) and MySQL, contributing to robust back-end infrastructure. Delivered responsive, high-performance eCommerce modules, enhancing customer experience. Architected modular and reusable UI components for better performance and maintainability across projects. Collaborated with product owners and marketing teams to define feature specifications and translate business needs into technical deliverables. Managed end-to-end development lifecycle from design to deployment, ensuring adherence to Agile sprint goals. Maintained clean version control workflow using Git, GitHub, and GitLab, facilitating secure and efficient code integration.
Senior Software Engineer at AVOWS IT Solution Pvt. Ltd. (Klodius Services SDN BHD) – Direct TV
March 31, 2024 - July 14, 2025Led full-stack development using React, React Native, Node.js, and MySQL, deploying solutions on AWS infrastructure. Built cross-platform mobile apps optimized for performance and UI consistency, using modular React components. Developed customer-facing eCommerce platforms, integrating Stripe and PayPal payment gateways. Drove Agile execution of milestones, delivering high-quality releases through sprint planning, estimation, and collaboration. Established a Custom Reusable React Component Library, improving development speed and standardization across teams. Facilitated integration of third-party APIs, including social login and analytics tools. Actively contributed to team collaboration through effective use of Git, GitHub, and GitLab for CI/CD and code reviews.
Frontend Team Lead at Mosaic Wellness
June 30, 2022 - July 14, 2025Led a team of front-end engineers in building responsive web applications, including a Doctor’s Panel for managing appointments and prescriptions. Actively contributed to product roadmap discussions with stakeholders; assigned and tracked sprint deliverables using Agile principles. Managed deployment processes and ensured seamless delivery of features within defined timelines. Engineered and deployed key modules integrating Google & Facebook login, and payment systems (Stripe, PayPal). Utilized AdonisJS and Node.js for back-end logic and MySQL with AWS (RDS/S3) for scalable storage solutions. Ensured UI reusability and speed through custom component development and internal library creation. Promoted Git best practices and CI workflow for efficient collaboration and continuous delivery.
Senior Software Developer (Contractor) at Juwelo GmbH (Nirvana Gems and Jewels)
December 31, 2021 - July 14, 2025Delivered 15+ web applications using React, TypeScript, Redux, Chakra UI, and custom component libraries. Integrated secure payment systems and social authentication modules to enhance the user journey. Utilized AdonisJS, Node.js, and MySQL for back-end services, hosted on AWS for scalability and reliability. Translated functional specifications into technical architecture while collaborating with stakeholders across departments. Designed reusable architecture patterns to standardize front-end development and improve delivery speed. Maintained development best practices via Git-based repositories, ensuring high code quality and auditability.
React Native Developer at Punchh Inc
July 31, 2019 - July 14, 2025Developed highly scalable, cross-platform mobile applications using React Native, designed for performance and used by over a million users. Focused on component reusability, performance optimization, and clean architecture to ensure long-term maintainability. Contributed to the foundational mobile app architecture and worked closely with back-end teams to integrate APIs and ensure smooth functionality.
Education
Bachelor of Engineering at University of Rajasthan
August 1, 2002 - August 1, 2006Information Technology, Computer Science
MBA at IIIM
January 5, 2011 - December 31, 2013MBA at IIIM
January 1, 2013 - December 31, 2013Bachelor of Engineering at JECRC University
January 1, 2007 - December 31, 2007MBA at IIIM
January 1, 2013 - December 31, 2013Bachelor of Engineering at JECRC University
January 1, 2007 - December 31, 2007Qualifications
Industry Experience
Software & Internet, Computers & Electronics, Financial Services, Retail, Healthcare, Professional Services
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