Available to hire
Hi, I’m Abdul Hathi Mohammed Hussain, a senior engineering leader focused on cloud, AI/ML, and full‑stack solutions for healthcare and technology. I design and scale enterprise applications, mentor engineers, and align technical strategy with business goals.
I live in Irvine, California, and work across React, .NET, Node.js, Python, AWS, and Azure, with advanced skills in AI/ML, large language models, and retriever-augmented generation (RAG). I enjoy building API-driven architectures, modernizing legacy systems to cloud-native environments, and delivering reliable, scalable software.
Experience Level
Expert
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Expert
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Expert
Expert
Expert
Expert
Expert
Intermediate
Language
English
Fluent
Work Experience
Senior Application Engineer at Medidata Solutions
September 20, 2023 - PresentArchitected and developed scalable backend APIs (Node.js, Ruby on Rails) with secure integrations across internal systems and external vendors. Defined and implemented microservices architecture patterns, improving scalability, modularity, and system resilience. Partnered with product and cloud teams to design API gateway strategies, JWT/OAuth authentication strategies, and event-driven workflows. Developed React + Redux applications with responsive mobile-first design, reducing load times by 30%. Established automated testing strategy (Cypress, Cucumber), achieving 98%+ coverage. Mentored and coached engineers, increasing team velocity by 20% and onboarding speed by 30%. Led large-scale software deployments, ensuring efficient rollout of complex systems in production.
Tech Lead at Cognizant
August 1, 2023 - October 13, 2025Architected and developed enterprise-scale applications leveraging .NET, React, Node.js, and cloud services.
Software Engineer at Sysmix Infotech Pvt Ltd
May 1, 2008 - October 13, 2025Enhanced ASP.NET & SQL applications across multi-platforms.
Software Engineer at Lorenzo Patient Record
April 1, 2010 - October 13, 2025Contributed to one of the world’s leading healthcare information management systems, supporting clinicians and patients with integrated, patient-centered care solutions.
Senior API Engineer / Senior Application Engineer at Medidata Solutions
September 20, 2023 - PresentArchitected and developed scalable backend APIs (Node.js, Ruby on Rails) with secure integrations across internal systems and external vendors. Defined and implemented microservices architecture patterns, improving scalability, modularity, and resilience. Led API gateway design, JWT/OAuth authentication strategies, and event-driven workflows. Built React + Redux front-ends with mobile-first design, achieving faster load times. Established automated testing strategy (Cypress, Cucumber) with 98%+ coverage; mentored engineers and accelerated onboarding and velocity.
Tech Lead at Cognizant
August 20, 2023 - October 13, 2025Led enterprise-scale applications for Molina Healthcare, TMH Health & Med Data projects. Drove .NET, React, and Node.js solutions on Azure, mentored cross-functional teams (PMs, QA) to deliver on time, and modernized legacy systems with microservices and cloud integrations.
Software Engineer at DXC Technology (CSC)
April 1, 2010 - October 13, 2025Designed and delivered high-performance software solutions in collaboration with cross-functional teams for large-scale deployments.
Software Engineer at Sysmix Infotech Pvt Ltd
May 1, 2008 - October 13, 2025Enhanced and maintained ASP.NET and SQL-based applications across multiple platforms; supported robust deployments and performance optimization.
Senior Application Engineer at Medidata Solutions
September 20, 2023 - PresentArchitected and developed scalable backend APIs (Node.js, Ruby on Rails) with secure integrations across internal systems and external vendors. Defined microservices patterns, improved scalability and resiliency. Partnered with product and cloud teams to design API gateway approaches, JWT/OAuth authentication, and event-driven workflows. Built React + Redux apps with mobile-first design, reducing load times by 30%. Automated tests with Cypress and Cucumber, achieving 98%+ coverage. Mentored engineers, increasing team velocity by 20% and onboarding speed by 30%. Led large-scale deployments in production.
Technical Lead at Cognizant (Molina Healthcare, TMH Health & Med Data)
August 20, 2023 - October 13, 2025Led architecture and delivery of enterprise healthcare solutions using .NET, React, Node.js; designed REST APIs, cloud-native patterns, and data integration across vendor systems. Drove performance improvements and near-100% uptime; implemented security with OAuth/JWT; migrated legacy monoliths to cloud-native microservices on AWS/Azure. Collaborated with product, QA, and client teams; mentored engineers; accelerated delivery and improved client satisfaction.
Software Engineer at CSC
April 30, 2010 - October 13, 2025Designed and delivered high-performance software solutions for healthcare and enterprise platforms, including data-driven services using .NET, Java, and SQL. Contributed to full software development lifecycle, worked with cross-functional teams, and delivered robust, scalable code.
Software Engineer at Sysmix InfoTech Pvt Ltd
May 31, 2008 - October 13, 2025Enhanced ASP.NET and SQL-based applications across multiple platforms; led large deployments; built internal tooling to improve workflow efficiency; collaborated with cross-functional teams to deliver incremental improvements.
Senior Application Engineer at Medidata Solutions
September 1, 2023 - PresentArchitected and developed scalable backend APIs (Node.js, Python, Ruby on Rails) with secure integrations across internal systems and external vendors. Defined and implemented microservices architecture patterns, improving scalability, modularity, and system resilience. Partnered with product and cloud teams to design API gateway strategies, JWT/OAuth authentication, and event-driven workflows. Developed React + Redux applications with responsive mobile-first design, reducing load times by 30%. Established automated testing strategies (Cypress, Cucumber), achieving 98%+ coverage. Collaborated across engineering and QA teams to reduce high-priority bug backlog by 50%. Applied AI/ML technologies (LLMs, RAG) to deliver automation and analytics to improve clinical trial operations.
Technical Lead at Cognizant
August 31, 2023 - October 13, 2025Architected and developed enterprise-scale applications leveraging .NET, React, Node.js, and Azure, enhancing performance, scalability, and reliability. Designed and delivered REST APIs for healthcare systems, achieving 99.99% uptime and seamless third-party integrations that reduced development time by 35%.
Software Engineer at DXC Technology (CSC)
April 30, 2010 - October 13, 2025Designed and delivered high-performance software solutions in collaboration with cross-functional teams, leading large-scale deployments and integrating third-party tools (ASP.NET, C#, JavaScript, Telerik). Optimized database schemas, improving performance by 40% and ensuring robust application functionality (SQL).
Software Engineer at Sysmix Infotech Pvt Ltd
May 31, 2008 - October 13, 2025Enhanced and maintained ASP.NET & SQL applications across multiple platforms. Optimized database schemas, improving performance by 40% and ensuring robust application functionality (SQL).
Senior Application Engineer at Medidata Solutions
September 20, 2023 - PresentArchitected and developed scalable backend APIs (Node.js, Ruby on Rails) with secure integrations across internal systems and external vendors. Defined and implemented microservices architecture patterns, improving scalability, modularity, and system resilience. Partnered with product and cloud teams to design API gateway strategies, JWT/OAuth authentication, and event-driven workflows. Developed React + Redux applications with mobile-first responsive design, reducing load times by 30%. Established automated testing strategy (Cypress, Cucumber) with 98%+ test coverage. Collaborated across engineering and QA teams to resolve technical issues and ensure timely project delivery. Mentored and coached engineers, increasing team velocity by 20% and onboarding speed by 30%. Led large-scale deployments, ensuring efficient rollout of complex systems in production.
Software Engineer at Cognizant (Molina Healthcare, TMG Health & Med Data)
August 1, 2023 - October 13, 2025Architected and developed enterprise-scale applications leveraging .NET, React, Node.js, and Azure, enhancing performance, scalability, and reliability. Designed and delivered mission-critical REST APIs (.NET and Node.js) for healthcare systems, achieving 99.999% uptime and seamless third-party integrations that reduced development time by 35%. Strong hands-on programming in Python, JavaScript, TypeScript, and C#, applying best practices for maintainable code. Spearheaded migration of monolithic apps to cloud-based microservices (Azure, AWS), cutting infrastructure costs by 25%. Collaborated with cross-functional teams (PMs, QA, clients) to resolve technical issues and ensure timely delivery. Mentored engineers, increasing team velocity by 20% and onboarding speed by 30%. Led large-scale deployments, ensuring efficient rollout of complex systems in production.
Software Engineer at DXC Technology (CSC)
April 1, 2010 - October 13, 2025Developed high-performance software solutions in collaboration with cross-functional teams, leading large-scale deployments and integrating third-party tools (ASP.NET, C#, JavaScript, Telerik). Optimized database schemas, improved performance by 40%, and ensured robust application functionality (SQL).
Software Engineer at Sysmix Infotech Pvt Ltd
May 1, 2008 - October 13, 2025Enhanced and maintained ASP.NET & SQL applications across multiple platforms.
Senior Application Engineer at Medidata Solutions
September 20, 2023 - PresentArchitected and developed scalable backend APIs (Node.js, Python, Ruby on Rails) with secure integrations across internal systems and external vendors. Defined and implemented microservices architecture patterns, improving scalability, modularity, and resiliency. Partnered with product and cloud teams to design API gateway approaches, JWT/OAuth authentication strategies, and event-driven workflows. Developed React + Redux applications with responsive, mobile-first design, reducing load times by 30%. Established automated testing strategy (Cypress, Cucumber) with 98%+ coverage. Collaborated with engineering and QA to resolve issues and ensure timely delivery. Mentored engineers, increasing team velocity by 20% and onboarding speed by 30%. Led large-scale deployments, driving reliable rollout of complex systems in production.
Software Engineer at Cognizant (Molina Healthcare, TMH Health & Med Data)
August 1, 2023 - October 13, 2025Architected and developed enterprise-scale applications leveraging .NET, React, Node.js, and Azure, enhancing performance, scalability, and reliability. Designed and delivered mission-critical REST APIs (.NET and Node.js) for health care systems, achieving 99.99% uptime and seamless third-party integrations. Migrated monolithic applications to cloud-based microservices (Azure, AWS), cutting infrastructure costs by 25%. Mentored engineers and collaborated with cross-functional teams (PMs, QA, clients) to ensure timely delivery. Led large-scale software deployments, ensuring efficient rollout of complex systems in production.
Software Engineer at Sysmx Infotech Pvt Ltd
May 1, 2008 - October 13, 2025Contributed to enterprise software development in Chennai, India, including ASP.NET and SQL-based applications, collaborating with cross-functional teams to deliver maintainable code and timely releases.
Senior Application Engineer at Medidata Solutions
September 1, 2023 - PresentLed scalable backend APIs and secure integration across internal systems and external vendors; migrated to cloud-native architecture; achieved 99.99% uptime and eliminated third-party integration delays.
Tech Lead at Cognizant
August 1, 2023 - October 13, 2025Led architecture for enterprise-scale applications using .NET, React, Node.js, and Azure; designed REST APIs for healthcare systems; reduced development time by 35% and improved reliability.
Software Engineer at DXC Technology (CSC)
April 1, 2010 - October 13, 2025Designed and delivered high-performance software solutions; integrated with third-party tools; implemented ASP.NET, C#, SQL; improved data schemas and application performance.
Software Engineer at Sysmix Info Tech Pvt Ltd
May 1, 2008 - October 13, 2025Enhanced and maintained ASP.NET & SQL applications across multiple platforms; optimized databases; led large deployments.
Education
B.Tech, Information Technology at Anna University
January 1, 2001 - January 1, 2005B-Tech, Information Technology at Anna University
January 1, 2001 - January 1, 2005Python for Data Science, AI & Development at IBM
January 1, 2025 - October 13, 2025Introduction to Cloud Computing at IBM
January 1, 2025 - October 13, 2025Build AI Powered Apps at Code with Moch (Mosh)
January 1, 2025 - October 13, 2025B.Tech in Information Technology at Anna University
January 1, 2001 - January 1, 2005B.Tech, Information Technology at Anna University
January 1, 2001 - January 1, 2005IBM - Python for Data Science, AI & Development at IBM
January 1, 2025 - October 13, 2025IBM - Introduction to Cloud Computing at IBM
January 1, 2025 - October 13, 2025B-Tech, Information Technology at Anna University
January 1, 2001 - January 1, 2005Python for Data Science, AI & Development at IBM
January 1, 2025 - October 13, 2025Complete Python Mastery at Code With Mos h
January 1, 2023 - October 13, 2025B.Tech, Information Technology at Anna University
January 1, 2001 - January 1, 2005Qualifications
IBM - Python for Data Science, AI & Development
January 1, 2025 - October 13, 2025IBM - Introduction to Cloud Computing
January 1, 2025 - October 13, 2025Code with Mos h - Build AI Powered Apps
January 1, 2025 - October 13, 2025Ruby Essential
January 1, 2023 - October 13, 2025Python for Data Science, AI & Development
January 1, 2025 - October 13, 2025Introduction to Cloud Computing
January 1, 2025 - October 13, 2025Build AI Powered Apps
January 1, 2025 - October 13, 2025IBM - Python for Data Science, AI & Development
January 1, 2025 - October 13, 2025IBM - Introduction to Cloud Computing
January 1, 2025 - October 13, 2025Code with Moch - Build AI Powered Apps
January 1, 2025 - October 13, 2025Python for Data Science, AI & Development
January 1, 2025 - October 13, 2025Introduction to Cloud Computing
January 1, 2025 - October 13, 2025Complete Python Mastery
January 1, 2023 - October 13, 2025B.Tech in Information Technology
January 1, 2001 - January 1, 2005Python for Data Science, AI & Development
January 1, 2025 - October 13, 2025Introduction to Cloud Computing
January 1, 2025 - October 13, 2025Complete Python Mastery
January 1, 2023 - October 13, 2025Ruby Essentials
January 1, 2023 - October 13, 2025IBM - Python for Data Science, AI & Development
January 1, 2025 - October 13, 2025IBM - Introduction to Cloud Computing
January 1, 2025 - October 13, 2025Code with Mos h - Build AI Powered Apps
January 1, 2025 - October 13, 2025LinkedIn - Ruby Essential
January 1, 2023 - October 13, 2025Udemy - Mastering Data Structures & Algorithms
January 1, 2020 - October 13, 2025Industry Experience
Healthcare, Software & Internet, Professional Services, Education
Experience Level
Expert
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Intermediate
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