Jonathan Lee Email & Phone Number

Led the design and execution of backend systems dedicated to securely managing financial transactions, ensuring strict compliance with regulatory standards.• Developed and managed APIs for seamless interaction with core payments processors and banking institutions, adhering to RESTful principles to facilitate efficient data exchange and interoperability.• Played a pivotal role in the migration from a monolithic server architecture to microservices, identifying and resolving bottlenecks… Show more Led the design and execution of backend systems dedicated to securely managing financial transactions, ensuring strict compliance with regulatory standards.• Developed and managed APIs for seamless interaction with core payments processors and banking institutions, adhering to RESTful principles to facilitate efficient data exchange and interoperability.• Played a pivotal role in the migration from a monolithic server architecture to microservices, identifying and resolving bottlenecks to improve system efficiency and reliability using Java/Spring Boot, C#/.NET Core, Node, Python.• Implemented frontend functionalities to support secure transactions, data visualization, and user authentication, bolstering overall system functionality and performance.• Contributed to optimizing the frontend codebase and performance, pinpointing areas for enhancement and implementing solutions to bolster responsiveness and reduce load times. Show less

Collaborated with product managers, designers, and stakeholders to define technical requirements, prioritize features, and deliver high-quality software products within aggressive timelines.• Architected robust and scalable backend systems utilizing microservices architecture, cloud technologies (such as AWS or Azure), and containerization (Docker, Kubernetes) to support hightransaction volumes and ensure system resilience.• Developed RESTful APIs and integrate with third-party… Show more Collaborated with product managers, designers, and stakeholders to define technical requirements, prioritize features, and deliver high-quality software products within aggressive timelines.• Architected robust and scalable backend systems utilizing microservices architecture, cloud technologies (such as AWS or Azure), and containerization (Docker, Kubernetes) to support hightransaction volumes and ensure system resilience.• Developed RESTful APIs and integrate with third-party financial data providers, payment gateways, and banking systems to enable seamless data exchange and transaction processing using Java/Spring, C#/.NET, Node, Python/Django,, Laravel.• Implemented best practices for software development, including code reviews, automated testing, CI/CD, and deployment pipelines to ensure code quality and maintainability. Show less

Collaborated closely with healthcare professionals, stakeholders, and cross-functional teams to understand and analyze software requirements, ensuring alignment with industry regulations andpatient care standards.• Played a key role in designing and implementing secure, scalable, and user-friendly software applications tailored to the unique needsof healthcare environments.• Developed and maintained frontend interfaces and backend systems, utilizing technologies such as HTML, CSS… Show more Collaborated closely with healthcare professionals, stakeholders, and cross-functional teams to understand and analyze software requirements, ensuring alignment with industry regulations andpatient care standards.• Played a key role in designing and implementing secure, scalable, and user-friendly software applications tailored to the unique needsof healthcare environments.• Developed and maintained frontend interfaces and backend systems, utilizing technologies such as HTML, CSS, JavaScript, React, Angular, Node.js, ASP.NET, Java Spring Boot, or Python Django.• Integrated healthcare data systems and electronic health records EHR) platforms, ensuring interoperability, data integrity, and compliance with healthcare data standards (e.g., HL7, FHIR).• Implemented robust authentication and authorization mechanisms to safeguard patient data privacy and confidentiality, adhering to HIPAA and other regulatory requirements. Show less

Worked closely with project managers, business analysts, and UI/UX designers to understand and analyze project requirements thoroughly, aligning with client objectives.• Utilized diverse technologies to architect and develop web applications, prioritizing user experience and technical excellence.• Led the creation of responsive and visually engaging frontend interfaces using HTML, CSS, JavaScript, and modern frameworks like React, Angular, or Vue.• Developed robust backend systems… Show more Worked closely with project managers, business analysts, and UI/UX designers to understand and analyze project requirements thoroughly, aligning with client objectives.• Utilized diverse technologies to architect and develop web applications, prioritizing user experience and technical excellence.• Led the creation of responsive and visually engaging frontend interfaces using HTML, CSS, JavaScript, and modern frameworks like React, Angular, or Vue.• Developed robust backend systems with languages such as ASP.NET (C#), Java Spring Boot, Python Django, or Node.js, emphasizing scalability and efficient data processing.• Implemented RESTful APIs and GraphQL to enable seamless frontend-backend communication, optimizing data exchange.• Utilized SQL (e.g., MySQL, PostgreSQL) and NoSQL (e.g. MongoDB) databases to design and optimize data storage solutions.• Actively engaged in code reviews to ensure code quality, adherence to standards, and identification of optimization opportunities. Show less