Available to hire
Praveenkumar Ramasamy is a Lead/Staff Mobile Engineer with over 13 years of experience designing, building, and scaling iOS and Android applications in fintech and healthtech. He specializes in mobile architecture, performance optimization, CI/CD automation, and integrating cutting-edge features like on-device machine learning and real-time assistant capabilities. Praveenkumar has a proven track record of leading cross-functional teams, mentoring engineers, and delivering reliable, high-impact apps that enhance user experience and drive business growth.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Language
English
Fluent
Work Experience
Lead Mobile Engineer (promoted from Senior) at Nuna Inc.
May 1, 2024 - PresentLeading development of the Nuna mobile app using Flutter and Kotlin with an AWS backend, driving adoption of SOLID principles and modular client architecture. Spearheaded real-time assistant development with OpenAI’s Realtime API, reducing interaction latency and enhancing patient engagement. Strengthened release health and CI/CD pipelines, improving release predictability and reducing build failures by 30%. Mentored junior engineers and collaborated with product and design to align technical strategy with business goals.
Staff Software Engineer at Nav Technologies, Inc.
May 1, 2024 - September 8, 2025Partnered with product and engineering teams to define mobile requirements, ensuring on-time delivery of key features with high stability. Conducted in-depth code reviews and architecture discussions, leading to measurable reductions in production defects and improved app performance. Coordinated mobile test planning and CI/CD automation, cutting release cycles by 25% and lowering deployment risk. Acted as a technical sounding board for teams, ensuring design decisions aligned with scalability and long-term maintainability.
Senior Software Engineer at Iconic Finance
April 1, 2023 - September 8, 2025Sole mobile developer in a 6-member seed-stage fintech startup, delivering the flagship iOS and Android banking apps for 1,000+ beta users. Integrated critical vendor APIs (Plaid, Okta, Galileo) for security, ledgers, and identity, enabling secure financial transactions at scale. Used Flutter profiling tools and analytics to improve app performance and user retention, increasing crash-free sessions by 20%. Played a key role in roadmap and architecture planning, driving technical strategy during rapid product growth.
Software Platform Engineer at BinWise, Inc. (acquired by BlueCart)
May 1, 2019 - September 8, 2025Built barcode/QR scanning workflows for Android/iOS apps using React Native and native SDKs, improving inventory management efficiency for enterprise clients. Supported cross-platform development (ReactJS for web) and strengthened SDLC practices with Jenkins, JIRA, and Bitbucket. Collaborated with backend engineers to improve system reliability and feature delivery across the mobile/web ecosystem.
Software Engineer Intern at VSP Vision Care
August 1, 2016 - September 8, 2025Delivered an admin application with AngularJS and Bootstrap, integrating RESTful services via JBoss RestEasy and JPA-Hibernate. Automated CI/CD with Jenkins, Stash, and Chef; built Splunk dashboards to monitor API performance and troubleshoot production issues. Increased test coverage with JUnit for Drools rules engine and improved app quality by resolving high-priority user defects.
Student Assistant at California State University
May 1, 2016 - September 8, 2025Designed and launched “CompuPIE,” a patient data management system for social workers, using AngularJS, Spring Boot, and SQLite. Built a companion web app to enable digital distribution of the platform, improving accessibility for healthcare professionals.
System Engineer at Tata Consultancy Services
August 1, 2014 - September 8, 2025Developed web applications for a UK-based health insurance provider in Agile-Scrum, focusing on scalability and stability. Built an automated deployment tool for 16 servers and created a real-time load monitoring system, reducing downtime and manual overhead.
Lead Mobile Engineer at Nuna Inc.
May 1, 2024 - PresentLeading the Nuna mobile app development using Flutter and Kotlin with an AWS backend, driving adoption of SOLID principles and modular client architecture. Spearheaded real-time assistant development with OpenAI’s Realtime API, reducing interaction latency and enhancing patient engagement. Strengthened release health and CI/CD pipelines, improving release predictability and reducing build failures by 30%. Mentored junior engineers and collaborated with product and design to align technical strategy with business goals.
Staff Software Engineer at Nav Technologies, Inc.
May 1, 2024 - September 8, 2025Partnered with product and engineering teams to define mobile requirements, ensuring on-time delivery of key features with high stability. Conducted in-depth code reviews and architecture discussions, leading to measurable reductions in production defects and improved app performance. Coordinated mobile test planning and CI/CD automation, cutting release cycles by 25% and lowering deployment risk. Acted as a technical sounding board for teams, ensuring design decisions aligned with scalability and long-term maintainability.
Senior Software Engineer at Iconic Finance
April 1, 2023 - September 8, 2025Sole mobile developer in a 6-member seed-stage fintech startup, delivering the flagship iOS and Android banking apps for 1,000+ beta users. Integrated critical vendor APIs (Plaid, Okta, Galileo) for security, ledgers, and identity, enabling secure financial transactions at scale. Used Flutter profiling tools and analytics to improve app performance and user retention, increasing crash-free sessions by 20%. Played a key role in roadmap and architecture planning, driving technical strategy during rapid product growth.
Software Platform Engineer at BinWise, Inc. (acquired by BlueCart)
May 1, 2019 - September 8, 2025Built barcode/QR scanning workflows for Android/iOS apps using React Native and native SDKs, improving inventory management efficiency for enterprise clients. Supported cross-platform development (ReactJS for web) and strengthened SDLC practices with Jenkins, JIRA, and Bitbucket. Collaborated with backend engineers to improve system reliability and feature delivery across the mobile/web ecosystem.
Software Engineer Intern at VSP Vision Care
August 1, 2016 - September 8, 2025Delivered an admin application with AngularJS and Bootstrap, integrating RESTful services via JBoss RestEasy and JPA-Hibernate. Automated CI/CD with Jenkins, Stash, and Chef; built Splunk dashboards to monitor API performance and troubleshoot production issues. Increased test coverage with JUnit for Drools rules engine and improved app quality by resolving high-priority user defects.
Student Assistant at California State University, Sacramento
May 1, 2016 - September 8, 2025Designed and launched “CompuPIE,” a patient data management system for social workers, using AngularJS, Spring Boot, and SQLite. Built a companion web app to enable digital distribution of the platform, improving accessibility for healthcare professionals.
System Engineer at Tata Consultancy Services
August 1, 2014 - September 8, 2025Developed web applications for a UK-based health insurance provider in Agile-Scrum, focusing on scalability and stability. Built an automated deployment tool for 16 servers and created a real-time load monitoring system, reducing downtime and manual overhead.
Lead Mobile Engineer at Nuna Inc.
May 1, 2024 - PresentLeading development of the Nuna mobile app using Flutter and Kotlin with an AWS backend, driving adoption of SOLID principles and modular client architecture. Spearheaded real-time assistant development with OpenAI’s Realtime API, reducing interaction latency and enhancing patient engagement. Strengthened release health and CI/CD pipelines, improving release predictability and reducing build failures by 30%. Mentored junior engineers and collaborated with product and design to align technical strategy with business goals.
Software Engineer at Nav Technologies, Inc.
May 1, 2024 - September 8, 2025Partnered with product and engineering teams to define mobile requirements, ensuring on-time delivery of key features with high stability. Conducted in-depth code reviews and architecture discussions, leading to measurable reductions in production defects and improved app performance. Coordinated mobile test planning and CI/CD automation, cutting release cycles by 25% and lowering deployment risk. Acted as a technical sounding board for teams, ensuring design decisions aligned with scalability and long-term maintainability.
Senior Software Engineer at Iconic Finance
April 1, 2023 - September 8, 2025Sole mobile developer in a 6-member seed-stage fintech startup, delivering the flagship iOS and Android banking apps for 1,000+ beta users. Integrated critical vendor APIs (Plaid, Okta, Galileo) for security, ledgers, and identity, enabling secure financial transactions at scale. Used Flutter profiling tools and analytics to improve app performance and user retention, increasing crash-free sessions by 20%. Played a key role in roadmap and architecture planning, driving technical strategy during rapid product growth.
Software Platform Engineer at BinWise, Inc. (acquired by BlueCart)
May 1, 2019 - September 8, 2025Built barcode/QR scanning workflows for Android/iOS apps using React Native and native SDKs, improving inventory management efficiency for enterprise clients. Supported cross-platform development (ReactJS for web) and strengthened SDLC practices with Jenkins, JIRA, and Bitbucket. Collaborated with backend engineers to improve system reliability and feature delivery across the mobile/web ecosystem.
Software Engineer Intern at VSP Vision Care
August 1, 2016 - September 8, 2025Delivered an admin application with AngularJS and Bootstrap, integrating RESTful services via JBoss RestEasy and JPA-Hibernate. Automated CI/CD with Jenkins, Stash, and Chef; built Splunk dashboards to monitor API performance and troubleshoot production issues. Increased test coverage with JUnit for Drools rules engine and improved app quality by resolving high-priority user defects.
Student Assistant at California State University — Sacramento
May 1, 2016 - September 8, 2025Designed and launched “CompuPIE,” a patient data management system for social workers, using AngularJS, Spring Boot, and SQLite. Built a companion web app to enable digital distribution of the platform, improving accessibility for healthcare professionals.
System Engineer at Tata Consultancy Services — Chennai, India
August 1, 2014 - September 8, 2025Developed web applications for a UK-based health insurance provider in Agile-Scrum, focusing on scalability and stability. Built an automated deployment tool for 16 servers and created a real-time load monitoring system, reducing downtime and manual overhead.
Lead Mobile Engineer at Nuna Inc.
May 1, 2024 - PresentLeading development of the Nuna mobile app using Flutter and Kotlin with an AWS backend, driving adoption of SOLID principles and modular client architecture. Spearheaded real-time assistant development with OpenAI’s Realtime API, reducing interaction latency and enhancing patient engagement. Strengthened release health and CI/CD pipelines, improving release predictability and reducing build failures by 30%. Mentored junior engineers and collaborated with product and design to align technical strategy with business goals.
Staff Software Engineer at Nav Technologies, Inc.
May 1, 2024 - September 8, 2025Partnered with product and engineering teams to define mobile requirements, ensuring on-time delivery of key features with high stability. Conducted in-depth code reviews and architecture discussions, leading to measurable reductions in production defects and improved app performance. Coordinated mobile test planning and CI/CD automation, cutting release cycles by 25% and lowering deployment risk. Acted as a technical sounding board for teams, ensuring design decisions aligned with scalability and long-term maintainability.
Senior Software Engineer at Iconic Finance
April 1, 2023 - September 8, 2025Sole mobile developer in a 6-member seed-stage fintech startup, delivering the flagship iOS and Android banking apps for 1,000+ beta users. Integrated critical vendor APIs (Plaid, Okta, Galileo) for security, ledgers, and identity, enabling secure financial transactions at scale. Used Flutter profiling tools and analytics to improve app performance and user retention, increasing crash-free sessions by 20%. Played a key role in roadmap and architecture planning, driving technical strategy during rapid product growth.
Software Platform Engineer at BinWise, Inc. (acquired by BlueCart)
May 1, 2019 - September 8, 2025Built barcode/QR scanning workflows for Android/iOS apps using React Native and native SDKs, improving inventory management efficiency for enterprise clients. Supported cross-platform development (ReactJS for web) and strengthened SDLC practices with Jenkins, JIRA, and Bitbucket. Collaborated with backend engineers to improve system reliability and feature delivery across the mobile/web ecosystem.
Software Engineer Intern at VSP Vision Care
August 1, 2016 - September 8, 2025Delivered an admin application with AngularJS and Bootstrap, integrating RESTful services via JBoss RestEasy and JPA-Hibernate. Automated CI/CD with Jenkins, Stash, and Chef; built Splunk dashboards to monitor API performance and troubleshoot production issues. Increased test coverage with JUnit for Drools rules engine and improved app quality by resolving high-priority user defects.
Student Assistant at California State University
May 1, 2016 - September 8, 2025Designed and launched “CompuPIE,” a patient data management system for social workers, using AngularJS, Spring Boot, and SQLite. Built a companion web app to enable digital distribution of the platform, improving accessibility for healthcare professionals.
System Engineer at Tata Consultancy Services
August 1, 2014 - September 8, 2025Developed web applications for a UK-based health insurance provider in Agile-Scrum, focusing on scalability and stability. Built an automated deployment tool for 16 servers and created a real-time load monitoring system, reducing downtime and manual overhead.
Lead Mobile Engineer at Nuna Inc.
May 1, 2024 - PresentLeading development of the Nuna mobile app using Flutter and Kotlin with an AWS backend, driving adoption of SOLID principles and modular client architecture. Spearheaded real-time assistant development with OpenAI’s Realtime API, reducing interaction latency and enhancing patient engagement. Strengthened release health and CI/CD pipelines, improving release predictability and reducing build failures by 30%. Mentored junior engineers and collaborated with product and design to align technical strategy with business goals.
Staff Software Engineer at Nav Technologies, Inc.
May 31, 2024 - September 8, 2025Partnered with product and engineering teams to define mobile requirements, ensuring on-time delivery of key features with high stability. Conducted in-depth code reviews and architecture discussions, leading to measurable reductions in production defects and improved app performance. Coordinated mobile test planning and CI/CD automation, cutting release cycles by 25% and lowering deployment risk. Acted as a technical sounding board for teams, ensuring design decisions aligned with scalability and long-term maintainability.
Senior Software Engineer at Iconic Finance
April 30, 2023 - September 8, 2025Sole mobile developer in a 6-member seed-stage fintech startup, delivering the flagship iOS and Android banking apps for 1,000+ beta users. Integrated critical vendor APIs (Plaid, Okta, Galileo) for security, ledgers, and identity, enabling secure financial transactions at scale. Used Flutter profiling tools and analytics to improve app performance and user retention, increasing crash-free sessions by 20%. Played a key role in roadmap and architecture planning, driving technical strategy during rapid product growth.
Software Platform Engineer at BinWise, Inc. (acquired by BlueCart)
May 31, 2019 - September 8, 2025Built barcode/QR scanning workflows for Android/iOS apps using React Native and native SDKs, improving inventory management efficiency for enterprise clients. Supported cross-platform development (ReactJS for web) and strengthened SDLC practices with Jenkins, JIRA, and Bitbucket. Collaborated with backend engineers to improve system reliability and feature delivery across the mobile/web ecosystem.
Software Engineer Intern at VSP Vision Care
August 31, 2016 - September 8, 2025Delivered an admin application with AngularJS and Bootstrap, integrating RESTful services via JBoss RestEasy and JPA-Hibernate. Automated CI/CD with Jenkins, Stash, and Chef; built Splunk dashboards to monitor API performance and troubleshoot production issues. Increased test coverage with JUnit for Drools rules engine and improved app quality by resolving high-priority user defects.
System Engineer at Tata Consultancy Services
August 31, 2014 - September 8, 2025Developed web applications for a UK-based health insurance provider in Agile-Scrum, focusing on scalability and stability. Built an automated deployment tool for 16 servers and created a real-time load monitoring system, reducing downtime and manual overhead.
Education
M.S., Computer Science at California State University, Sacramento
January 1, 2014 - January 1, 2017B.Tech., Information Technology at Coimbatore Institute of Technology
January 1, 2008 - January 1, 2012Master of Science in Computer Science at California State University, Sacramento
January 1, 2014 - January 1, 2017Bachelor of Technology in Information Technology at Coimbatore Institute of Technology
January 1, 2008 - January 1, 2012Master of Science in Computer Science at California State University, Sacramento
January 1, 2014 - December 31, 2017Bachelor of Technology at Coimbatore Institute of Technology
January 1, 2008 - December 31, 2012M.S., Computer Science at California State University, Sacramento
January 1, 2014 - December 31, 2017B.Tech., Information Technology at Coimbatore Institute of Technology
January 1, 2008 - December 31, 2012M.S., Computer Science at California State University, Sacramento
January 1, 2014 - December 31, 2017B.Tech., Information Technology at Coimbatore Institute of Technology
January 1, 2008 - December 31, 2012Qualifications
Industry Experience
Software & Internet, Healthcare, Financial Services, Professional Services
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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