- As the lead engineer for Tracktl project, a real-time music streaming application, oversaw the development of the Typescript / Node.js / React / Next.js / Express.js / Nest.js / MongoDB stack to deliver a performant and reliable digital jukebox solution, leveraging Socket.IO's support for bidirectional communication to seamlessly sync music playback across client devices. - Developed high-performance REST and GraphQL APIs for multiple SaaS platforms using Node.js, NestJS and Express… Show more - As the lead engineer for Tracktl project, a real-time music streaming application, oversaw the development of the Typescript / Node.js / React / Next.js / Express.js / Nest.js / MongoDB stack to deliver a performant and reliable digital jukebox solution, leveraging Socket.IO's support for bidirectional communication to seamlessly sync music playback across client devices. - Developed high-performance REST and GraphQL APIs for multiple SaaS platforms using Node.js, NestJS and Express, handling over 300 thousand requests per day.- Successfully migrated an application to the cloud, resulting in a 50% reduction in hosting costs.- Developed a new component in React that was used to define complex conditions based on field values, used throughout the application in many features.- Oversaw the creation of coding standards and started a discussion about code quality management in the company.- Provided guidance and code reviews to 3 junior developers, improving their skills and increasing productivity by 20%. Technologies: Node.js, Python, Express.js, Nest.js, React, Vue, Next.js, Redux, SCSS, Agile, SQL, NoSQL, Python, CSS, Typescript, JavaScript, C#, Git, HTML5, APIs, Front-end, Full-stack, REST APIs, GraphQL. Best Practices, Object-oriented Programming (OOP), Software Design Patterns, Docker, Kubernetes, Linux, Jenkins Show less

- Engineered robust and scalable architecture for human cloud platform (Talent Alpha) using Javascript, Typescript, Node.js, Express, Nest.js, React, Next.js, Redux and MongoDB achieved 50% increase in user engagement and reduced server response time by 30% through effective implementation of caching and database optimization techniques.- Architected scalable serverless infrastructure on AWS with services like EC2, S3, Lambda, API Gateway and DynamoDB reducing costs by 30%- Migrated… Show more - Engineered robust and scalable architecture for human cloud platform (Talent Alpha) using Javascript, Typescript, Node.js, Express, Nest.js, React, Next.js, Redux and MongoDB achieved 50% increase in user engagement and reduced server response time by 30% through effective implementation of caching and database optimization techniques.- Architected scalable serverless infrastructure on AWS with services like EC2, S3, Lambda, API Gateway and DynamoDB reducing costs by 30%- Migrated AngularJS SPA to React and Redux, improving performance significantly.- Implemented CI/CD pipelines with Jenkins automating builds, tests and deployments to Kubernetes reducing release cycles from weeks to hours- Designed and developed key parts of an API gateway and nine microservices based on Node.js, Express.js, MongoDB, Javascript, Typescript and deployed in a Kubernetes cluster.- Provided technical expertise and insights to direct troubleshooting efforts and solution development.- Presented technical designs and documentation to stakeholders, garnering feedback to refine strategies and build consensus.- Proficient in relational and non-relational databases including PostgreSQL, MongoDB, DynamoDB and Redis for high-scale analytics projects- Secured APIs using industry-standard OAuth and OpenID Connect flows with Identity Providers like Azure AD and OktaTechnologies: Node.js, TypeScript, React, Angular, Express.js, Amazon Web Services (AWS), Kubernetes, CSS, JavaScript, Git, HTML5, Redux, Front-end, Full-stack, CI/CD Pipelines, Tailwind CSS, OAuth, Architecture, Redux Toolkit, PostgreSQL, REST APIs, Best Practices, Python, Object-oriented Programming (OOP) Show less

- Developed a comprehensive online and mobile mental health therapy platform using React.js, Next.js, Node.js, Express.js, Koa, React Native and Redux. Designed unique user flows tailored for each channel. Platform features enabled 65% of users to track personalized goals and improved mental wellbeing through diverse communication tools available on both web and mobile. Served over 50,000 daily active users from 30 countries within its first month of launch.- Implemented Agile and DevOps… Show more - Developed a comprehensive online and mobile mental health therapy platform using React.js, Next.js, Node.js, Express.js, Koa, React Native and Redux. Designed unique user flows tailored for each channel. Platform features enabled 65% of users to track personalized goals and improved mental wellbeing through diverse communication tools available on both web and mobile. Served over 50,000 daily active users from 30 countries within its first month of launch.- Implemented Agile and DevOps best practices across entire development lifecycle from requirements to deployment- Collaborated with the designers to ensure the proper quality of the provided solution.- Implemented server-side rendering for the React application using Next.js.- Implemented responsive designs in an Angular app supporting 12,000+ daily page views across desktop, tablet and phone.- Implemented user authentication and authorization for a marketing SaaS using React and GraphQL to validate over 500 new signups per month securely.- Provided UI expertise with Angular and React to troubleshoot existing UI problems and build new user-friendly forms—revamping the user experience.- Introduced automated E2E testing to facilitate regression testing for each push to QA.- Maintained and developed a NoSQL database and an API in Node.js that utilized this database.Technologies: React, Vue.js, Angular, Redux, Next.js, Koa, Nest.js, React Native, Node.js, HTML, CSS, JavaScript, Node.js, Git, Agile, Front-end, Full-stack, CI/CD Pipelines, OAuth, REST APIs, GraphQL, Azure DevOps, AWS Show less

- Built a responsive admin dashboard using React, Redux and Material UI, streamlining workflows for 200+ users and reducing editing errors by 30%.- Refactored the existing code to use design patterns and best practices.- Adapted 50+ clients' websites to changing industry standards, designed application architecture on TypeScript, React, and Redux, accelerating development rates by 15%.- Developed mobile and web versions of an internal reporting app using React Native and Expo… Show more - Built a responsive admin dashboard using React, Redux and Material UI, streamlining workflows for 200+ users and reducing editing errors by 30%.- Refactored the existing code to use design patterns and best practices.- Adapted 50+ clients' websites to changing industry standards, designed application architecture on TypeScript, React, and Redux, accelerating development rates by 15%.- Developed mobile and web versions of an internal reporting app using React Native and Expo, allowing remote teams to collaborate more efficiently on 50+ annual projects.- Created a drag-and-drop, React-based static site generator with reusable web components.- Crafted a dynamic news feed component leveraging React and TypeScript to surface personalized updates for 200 thousands monthly users from varied data sources.- Partnered with a 5-person UI/UX team to design and prototype a redesigned purchasing experience for an ecommerce site. Led usability testing which informed visual and interaction updates that increased conversions by 18%.- Wrote modular, isolated unit and integration tests using frameworks like Jest and Mocha achieving 90% code coverageTechnologies: React, Javascript, Typescript, Redux, jQuery, Git, Agile, Scrum, HTML5, CI/CD Pipelines, REST APIs, GraphQL, Bootstrap, TailwindCSS, SASS, Less, Material Design Show less

- Built reusable UI elements like menus and modals integrating Bootstrap and Tailwind CSS to rapidly prototype new customer-facing apps.- Developed admin interfaces and CRM features in Vue leveraging Vuetify for Material Design compliance and intuitive navigation of records for high rep adoption.- Maintained and conducted workshops for a desktop application facilitating the financial reporting process with Python.- Developed multiple web apps used for gathering financial data from… Show more - Built reusable UI elements like menus and modals integrating Bootstrap and Tailwind CSS to rapidly prototype new customer-facing apps.- Developed admin interfaces and CRM features in Vue leveraging Vuetify for Material Design compliance and intuitive navigation of records for high rep adoption.- Maintained and conducted workshops for a desktop application facilitating the financial reporting process with Python.- Developed multiple web apps used for gathering financial data from users.- Learned how to write performant and robust business logic using Node.js and REST API- Worked with a systems engineer to gain an understanding of network security and maintainable infrastructure, including AWS.Technologies: jQuery, Node.js, CSS, JavaScript, Python, HTML5, Front-end, Full-stack, REST APIs, Object-oriented Programming (OOP), React, Redux, Angular, Material UI, WCAG, Web accessibility, Responsive Web Design, Testing, Communication Show less