David Macdonald Email & Phone Number

- Developed and maintained Rad NFTv's marketplace using Node.js, React.js, Next.js, Strapi, Ethers.js, and Typescript- Implemented responsive design to enhance user experience across various devices- Integrated a social media integration project that aggregated user data across multiple platforms, utilizing OAuth for secure authentication and MongoDB for data storage- Orchestrated a complete rewrite of a client's payment processing module, incorporating Cream and Stripe APIs for improved transaction success rate and user experience- Conducted unit testing and debugging using JEST- Implemented CI/CD pipelines using AWS Amplify for the different environments including production, staging, and development- Collaborated with cross-functional teams to define, design, and ship new features- Actively participated in code reviews, provided valuable feedback to improve code quality, and mentored junior developers in a team

- Developed a secure, HIPPA-compliant patient portal for a telehealth service, enabling video consultations and medical records management with a focus on privacy and data security using Spring Boot, Node.js, React.js, React Hooks, Java, JavaScript, Typescript, and PostgreSQL- Spearheaded the migration of a legacy system to a microservices architecture using Docker and Kubernetes, resulting in a 50% reduction in server costs and improved uptime- Managed state in applications using advanced Redux state management library- Designed and implemented a comprehensive suite of unit tests, achieving 85% code coverage, resulting in a 30% reduction in production bugs and improved software reliability- Automated build and release processes by configuring Azure DevOps pipelines, enabling consistent and reliable delivery of microservices to AKS clusters- Monitored live web applications and services, employing logging and monitoring tool called Datadog

- Built and optimized user interfaces using AngularJS for high-traffic web applications- Worked closely with other developers to create and consume REST APIs using Node.js, Express.js- Collaborated in the full software development life cycle from concept to deployment- Conducted unit testing and debugging using Jest and Selenium- Integrated 3rd party APIs including Stripe for payment processing, Twilio for SMS notification, Sendgrid for email delivery to enhancing the platform's functionality.- Dealt with AWS services like EC2, S3, Lambda, DynamoDB, SNS, API Gateway to provide the Serverless experience

- Led the front-end development using jQuery and AJAX, which improved user navigation and increased sales conversions by 15%- Developed and maintained server-side applications using Java, Spring Framework, JavaScript, and MySQL, providing robust back-end support for data-driven web applications- Introduced a modular CSS approach with SASS, enhancing code maintainability and accelerating the styling process of complex web pages- Demonstrated strong problem-solving skills and the ability to troubleshoot complex technical issues- Leveraged Azure cloud platforms for hosting and scaling web applications, optimizing cost-efficiency performance