James Sayer Email & Phone Number

• Spearheaded Development Initiatives: Led the development of cutting-edge managed infrastructure solutions using React, Next.js, and Node.js, driving a 30% boost in system efficiency and a 25% increase in user satisfaction through innovative, user-centric features for cloud, connectivity, and security.• Strategic System Migration: Orchestrated the migration from AngularJS to Angular, achieving a 30% improvement in system performance and significantly enhancing scalability and maintainability.• Seamless Team Collaboration: Collaborated with cross-functional teams to ensure flawless integration and deployment of new features, facilitating a cohesive and efficient development process.• Optimized Code Practices: Implemented best-in-class scalable and maintainable code practices, substantially enhancing system performance and reliability.• Leadership and Mentorship: Conducted comprehensive code reviews and mentored three junior developers, fostering a culture of continuous improvement, innovation, and knowledge sharing.

• Leveraged React and TypeScript expertise to revamp an employer marketing platform, utilizing GraphQL for efficient data management, resulting in a 40% improvement in data retrieval speed and a 35% enhancement in overall system performance.• Led the creation of a scalable design system from scratch using Material UI and modern JavaScript, enhancing UI user-friendliness and long-term maintainability.• Conducted weekly one-on-one feedback and code reviews focused on React and JavaScript best practices, leading to elevated team competence and project quality.• Demonstrated backend proficiency by using Python-based tools for database troubleshooting and system log analysis, resolving complex issues.• Managed and mentored a dynamic team of developers, overseeing the project life cycle, facilitating continuous learning, and ensuring adherence to best practices in a collaborative environment.

• Utilized React and TypeScript for front-end development, implemented RESTful APIs and GraphQL with Node.js for seamless connectivity, and hosted on AWS for scalability, improving data retrieval speed by 40% and system performance by 35%.• Leveraged AWS cloud technologies across the development cycle for storage, computation, and database management, ensuring a high-availability architecture.• Integrated DevOps practices, using tools like Docker and AWS to establish a CI/CD pipeline, streamlining testing and deployment for improved development speed and code quality.• Provided weekly one-on-one feedback and code reviews, focusing on best practices in web development, including HTML5, CSS3, and JavaScript, to help uplift the skills and code quality within the team.

• Participated in an internal team focused on privacy and control management, where I contributed to enhancing the security features of our web platform using technologies like PHP and jQuery.• Utilized the modular architecture to define a range of web components, which were then developed into reusable pieces using HTML, CSS, and JavaScript, serving as the foundation for various web projects.• Specialized in refining the design system and web APIs, making extensive use of tools and languages prevalent during that period, such as jQuery, Bootstrap, and RESTful APIs.