Stack Developer Node Js

RICKY DELAROSA

Senior Full Stack Developer

MILWAUKEE, WI 53225

414-***-****

*****************@*****.***

www.linkedin.com/in/ricky-delarosa-935969337

PROFESSIONAL SUMMARY

Accomplished Senior Full Stack Developer with 7+ years of experience in creating high-performance, scalable web applications. Expertise in React.js, Vue.js, and Material-UI for front-end development, and Node.js, Express.js, and NestJS for back-end services. Extensive background in microservices architecture, cloud computing (AWS, Azure), and CI/CD pipelines with Docker and Kubernetes. Known for driving product improvements, optimizing workflows, and ensuring high-quality code delivery in fast-paced Agile/Scrum environments. Adept at balancing technical excellence with business- driven results.

EXPERIENCE

Senior Full Stack Developer Codebridge - Chicago, IL 05/2021 – Present

• Led the development of a high-performance web application using Node.js, Express.js, and MongoDB on the backend, and React.js with Material-UI on the frontend, ensuring seamless integration for real-time data processing and enhancing user experience.

• Designed and implemented RESTful APIs with Express.js, incorporating MongoDB as the primary database for handling unstructured data, optimizing query performance by 30% and significantly reducing read/write latency.

• Utilized MongoDB’s aggregation framework to process large sets of data efficiently, enabling advanced data analytics and reporting features for users. This resulted in a 40% faster response time for complex queries.

• Integrated Material-UI components and custom theming into the frontend to create a responsive, visually appealing interface that automatically adjusted to different screen sizes and devices, improving user engagement.

• Optimized MongoDB queries and indexing for high concurrency, resulting in a 20% reduction in database load and faster access times, crucial for applications with high user activity.

• Integrated AWS services, including Lambda, S3, and RDS, for cloud storage and computing, reducing infrastructure costs by 30% and improving scalability.

• Built and maintained CI/CD pipelines using GitHub Actions and Jenkins, automating deployment processes and ensuring faster, more reliable delivery cycles.

• Actively participated in Agile/Scrum ceremonies, working closely with cross-functional teams to refine user stories, provide technical insights, and ensure timely delivery of features. Senior Full Stack Developer Quantum Metric - Colorado Springs, CO 06/2017 – 04/2021

• Developed and maintained a complex financial application using Vue.js for the frontend, and Node.js/Java for the backend, ensuring real-time financial data visualization and dashboard insights, which resulted in a 20% improvement in customer retention.

• Integrated Vuex for state management in the frontend, and optimized backend APIs with Node.js and Java to handle large datasets efficiently, improving data processing and rendering by 35%.

• Collaborated closely with backend teams to integrate Vue.js with Java-based APIs, streamlining the flow of real- time financial data, reducing latency by 25%, and ensuring transaction data accuracy.

• Led the migration of key features from monolithic systems to a microservices architecture using Node.js and Docker, improving scalability, reducing deployment time by 50%, and enhancing system flexibility.

• Designed and implemented interactive data visualizations using Vue.js and D3.js, leading to a 15% increase in user engagement with financial dashboards and reports.

• Implemented unit testing and end-to-end testing with Jest and Cypress, ensuring 98% test coverage for frontend and backend code, reducing production issues by 40%.

• Participated in Agile/Scrum ceremonies, contributing to sprint planning, stand-ups, and retrospectives, ensuring timely delivery of all features.

Java Backend Developer Benevolent - Remote

08/2014 – 05/2017

• Developed and maintained backend services using Java and Spring Framework, ensuring efficient data processing and smooth integration with frontend systems.

• Architected and deployed RESTful APIs with Spring Boot, improving third-party service integrations and enhancing data flow between the backend and frontend by 25%.

• Implemented data persistence with Spring Data JPA and MySQL, optimizing query performance and reducing database access times by 30%.

• Designed and maintained user authentication and authorization mechanisms with Spring Security, ensuring data privacy and user protection, reducing unauthorized access by 40%.

• Optimized backend performance, including database queries and application processing, resulting in a 15% reduction in overall response times and a more efficient system.

• Implemented unit testing using JUnit and Mockito, ensuring reliable backend services and 95% test coverage, which led to a reduction in post-deployment bugs by 35%. Junior Full Stack Developer Kyriba - San Diego, CA 06/2012 – 07/2014

• Developed backend services with Java and Spring Framework, implementing financial features for a cloud-based treasury management system, increasing platform functionality and supporting enterprise clients.

• Integrated Java-based services with AngularJS to create dynamic and interactive front-end components, improving user engagement and reducing frontend load times by 20%.

• Implemented secure payment processing using Stripe API, ensuring smooth and reliable financial transactions for end-users, increasing transaction success rate by 10%.

• Refactored legacy PHP code to modern Java Spring applications, improving scalability and maintainability, and reducing technical debt by 30%.

• Collaborated with UI/UX teams to ensure user-centric design, resulting in a 25% improvement in overall customer satisfaction with the platform’s user interface.

• Improved database performance by optimizing SQL queries and implementing caching strategies with Redis, reducing database load by 15%.

EDUCATION

Bachelor of Science in Computer Science

San Jose State University — San José, CA

08/2008 – 05/2012

SKILLS

• Languages:

JavaScript, TypeScript, Python, PHP, Java, HTML5, CSS3

• Frameworks:

React, Vue.js, Angular, Node.js, Express.js, Spring Boot, Spring MVC, REST API, GraphQL, FastAPI, MaterialUI, Laravel, JQuery

• Database:

MySQL, PostgreSQL, MongoDB, Oracle, Redis, Oracle

• Cloud Services:

AWS (EC2, S3, Lambda, RDS, CloudFormation), Azure

• Tools:

Git, Jenkins, Docker, Kubernetes, IntelliJ IDEA, Eclipse

• Other:

Microservice Architecture, Agile/Scrum

CERTIFICATIONS

• Software Engineer

• Node.js (Intermediate)

• Frontend Developer (React)

• SQL (Advanced)

• JavaScript (Intermediate)

• Problem -Solving (Intermediate)

• Java (Basic)

Contact this candidate