John Pander

About

Results-oriented Senior Full Stack Developer with 9+ years of experience specializing in front-end development and building high-performance, scalable user interfaces across web and mobile platforms. Strong expertise in JavaScript/TypeScript, React/Next.js, Redux architecture, and middleware, with end-to-end SDLC ownership using Agile methodologies. Proficient in cloud and DevOps practices (AWS/Azure, Docker, Kubernetes, CI/CD) to improve performance and streamline development, with hands-on experience across fintech analytics, SaaS, eCommerce, and healthcare systems (including HIPAA compliance).

Experience

• Senior Full Stack Developer · AutoWeb02-2022

   Led the development of a cloud-based analytics dashboard for a global fintech company using React.js, Next.js, and Nest.js, reducing reporting time by 40% and enabling real-time data insights.  Architected and implemented a microservices infrastructure with Node.js, Express.js, GraphQL, and Docker, deployed on AWS with Kubernetes, ensuring scalable, reliable operations.  Built and launched a fitness tracking app with React Native, Redux, and Firebase, enabling real-time workout tracking and progress sync.  In eCommerce, I developed backend systems with Java, Spring Boot, and RESTful APIs, optimizing MySQL queries and integrating PostgreSQL for high-volume transactions.  Improved development efficiency by 30% by implementing scalable UI components using React.js, TailwindCSS, and AntD, and integrated AI features via Python-based microservices.  Reduced release cycles from weeks to days, streamlining deployments with extensive experience in CI/CD pipelines using AWS CodePipeline.  As a mentor in an Agile/Scrum environment, I promoted TDD and performance improvements while driving high-quality mobile development for iOS and Android using React Native.  Maintained and optimized mission-critical systems with Node.js, Nest.js, and Java, and ensured efficient DevOps practices with Docker, Kubernetes, and AWS.  Implemented thorough testing frameworks with Jest, Mocha, Chai, and Selenium, delivering robust, bug-free applications that supported business growth.

• Full Stack Developer · BariesDev05-2019 – 01-2022

   Developed a sleek and interactive user interface for a global SaaS application using React.js, React Router, and Material UI, significantly enhancing usability and user retention across multiple devices.  Developed high-performance, SEO-friendly web applications using Remix, integrating backend APIs and optimizing user experience.  Built RESTful APIs with Express.js and MySQL, enabling robust user and product data handling.  Introduced JWT-based authentication and secure routing, improving application security standards.  Implemented state management solutions using Redux and Zustand, optimizing data flow and improving performance in large-scale React applications.  Containerized applications with Docker and deployed on Azure Kubernetes Service (AKS) for scalability.  Wrote unit and integration tests using Jest, Enzyme, and Mocha, achieving 95% code coverage.  Worked closely with product owners and designers in Agile sprints to deliver on-time feature rollouts.

• Back-end Developer · 3 Media Web03-2017 – 04-2019

   Designed and implemented scalable backend architectures using Node.js, Express.js, and microservices, ensuring high availability and performance.  Developed RESTful and GraphQL APIs with Python Flask for enterprise data applications.  Developed and maintained scalable backend systems for a healthcare platform using Java, Spring Boot, and PostgreSQL, ensuring secure patient data management, real-time appointment scheduling, and HIPAA compliance.  Designed optimized schemas and queries in PostgreSQL and MS SQL Server, reducing query latency by 40%.  Integrated Firebase for real-time event tracking and data synchronization across services.  Implemented predictive modules using Python and machine learning libraries for analytics automation.  Established automated testing with Chai, Mocha, and Selenium, ensuring backend reliability.  Collaborated with DevOps team to containerize services and deploy via CI/CD pipelines.  Designed and optimized backend systems for high scalability and performance, utilizing Redis for caching to handle large volumes of traffic and ensure fast data retrieval.

• Front-end Developer · App Maisters Inc10-2015 – 02-2017

   Built dynamic UI components using React.js, SCSS, and Material UI, enhancing customer engagement by 25%.  Migrated legacy JavaScript codebase to TypeScript, improving maintainability and type safety.  Consumed RESTful APIs with Axios and implemented real-time UI updates in trading dashboards.  Applied accessibility best practices (WCAG 2.1) and ensured responsive designs across browsers and devices.  Participated in Scrum ceremonies and collaborated closely with the UX team for pixel-perfect implementations.

Education

• Stanford University, California, USABachelor of Science in Computer Science, Computer Science

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