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I'm Edwin Rivera, a Senior Full Stack Engineer with over 10 years of experience designing and delivering scalable, high-performance web applications using React, Next.js, and Node.js. I build robust APIs, integrate AI-driven features with Python frameworks, and optimize both frontend and backend performance to drive measurable impact. I thrive in cloud-native environments, automation, and CI/CD pipelines, and I champion clean architecture, secure coding, and cross-functional collaboration to deliver maintainable engineering solutions.…I'm Edwin Rivera, a Senior Full Stack Engineer with over 10 years of experience designing and delivering scalable, high-performance web applications using React, Next.js, and Node.js. I build robust APIs, integrate AI-driven features with Python frameworks, and optimize both frontend and backend performance to drive measurable impact. I thrive in cloud-native environments, automation, and CI/CD pipelines, and I champion clean architecture, secure coding, and cross-functional collaboration to deliver maintainable engineering solutions.

Edwin Roberto Rivera

Full Stack Developer, Developer, AI Engineer, +1

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I'm Edwin Rivera, a Senior Full Stack Engineer with over 10 years of experience designing and delivering scalable, high-performance web applications using React, Next.js, and Node.js. I build robust APIs, integrate AI-driven features with Python frameworks, and optimize both frontend and backend performance to drive measurable impact. I thrive in cloud-native environments, automation, and CI/CD pipelines, and I champion clean architecture, secure coding, and cross-functional collaboration to deliver maintainable engineering solutions.…I'm Edwin Rivera, a Senior Full Stack Engineer with over 10 years of experience designing and delivering scalable, high-performance web applications using React, Next.js, and Node.js. I build robust APIs, integrate AI-driven features with Python frameworks, and optimize both frontend and backend performance to drive measurable impact. I thrive in cloud-native environments, automation, and CI/CD pipelines, and I champion clean architecture, secure coding, and cross-functional collaboration to deliver maintainable engineering solutions.

Available to hire

I’m Edwin Rivera, a Senior Full Stack Engineer with over 10 years of experience designing and delivering scalable, high-performance web applications using React, Next.js, and Node.js. I build robust APIs, integrate AI-driven features with Python frameworks, and optimize both frontend and backend performance to drive measurable impact.

I thrive in cloud-native environments, automation, and CI/CD pipelines, and I champion clean architecture, secure coding, and cross-functional collaboration to deliver maintainable engineering solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Senior Full Stack Developer at Pratt & Whitney

March 1, 2025 - September 2, 2025

Designed and delivered AI-powered internal tools integrating large language models with LangChain for natural language query, summarization, and document retrieval. Developed Python/FastAPI microservices for AI orchestration and secure API access, alongside Node.js/TypeScript services. Implemented retrieval-augmented generation using vector databases to empower engineers to query technical documentation. Built accessible enterprise portals with Next.js/React serving thousands of users. Enhanced system scalability via background jobs, caching, and optimized database indices, reducing latency by 40%. Expanded test automation coverage, reducing regression incidents by 35%. Optimized global content delivery through Azure CDN, improving load times and Core Web Vitals. Mentored junior developers and collaborated with product, QA, and data science to drive AI feature adoption.

Senior Software Engineer at Rx Marketing

October 1, 2022 - September 2, 2025

Engineered Node.js and TypeScript services to handle high-volume event ingestion, analytics pipelines, and reporting dashboards. Built dashboards in Angular and React using RxJS streams and virtualization for optimized rendering of large data sets. Managed ETL workflows and asynchronous job queues enabling near real-time insights during spikes. Improved API gateways with schema validation, rate limiting, and structured logging for better observability. Established comprehensive testing with Jest, Cypress, and Supertest, reducing defects. Integrated reliable third-party APIs with OAuth, webhooks, retries, and circuit breakers. Collaborated with product and data teams on backlog prioritization and incident response.

Full Stack Engineer at RGR Marketing

July 1, 2021 - September 2, 2025

Developed React TypeScript single-page applications with Node.js backends for marketing workflows. Designed REST APIs with efficient pagination, filtering, and cursor queries to handle large datasets. Implemented schema-driven validation, reducing error-related support tickets by 25%. Created background workers for email and webhook processing with retry mechanisms. Established CI/CD pipelines with linting, type checking, and automated testing to improve release confidence. Expanded automated test suites to stabilize cross-service integrations. Partnered with design and product teams to conduct A/B tests and prototypes, driving UX improvements.

Backend Engineer at Prudential Financial

December 1, 2019 - September 2, 2025

Built PHP (Laravel) APIs for policy and claims management, structured with service layers and DTOs. Introduced Node.js services for async event handling and reporting to enhance throughput and resilience. Strengthened authentication using OAuth 2.0, JWT, and CSRF/XSS protections, boosting system security. Optimized MySQL performance with indexing and pooling, reducing latency under heavy traffic. Automated data migration, backfills, and export processes via scripts. Improved CI/CD pipelines integrating PHPUnit, Jest, and API smoke tests, ensuring safer deployments.

Full Stack Engineer at Blue Rock Technologies

December 1, 2016 - September 2, 2025

Developed AngularJS applications with reusable components for modular user interfaces. Created PHP (Laravel) backends leveraging repository and service-layer design patterns. Implemented JWT/OAuth authentication and role-based access controls for security. Enhanced frontend performance through template caching and load optimization. Integrated third-party payment, email, and file storage providers with secure webhook handling. Built robust testing suites using Jasmine/Karma, PHPUnit, and Postman to ensure quality. Authored API specs, coding standards, and conducted peer reviews to improve team consistency.

Senior Full Stack Engineer at Walmart

March 1, 2025 - Present

Developed and maintained full-stack modules using React, Next.js, and Node.js, integrating REST and GraphQL APIs to support real-time customer engagement features. Designed scalable backend services in NestJS, implementing microservice-based communication and caching layers that reduced API latency by 30%. Integrated AI-driven recommendation and content personalization modules using OpenAI APIs and vector databases, improving session engagement by 24%. Built and deployed serverless applications on AWS Lambda and DynamoDB for cost-efficient scaling during high-traffic periods. Implemented data validation and schema-driven API design with TypeScript and Prisma, reducing runtime errors and improving maintainability. Improved frontend performance through lazy loading, code splitting, and API optimization, increasing Core Web Vitals by 26%. Developed a unified testing strategy using Jest, Cypress, and Supertest, reducing post-release bugs by 40%.

Full Stack Software Engineer at Pratt & Whitney

March 1, 2025 - October 7, 2025

Built internal portals using React, Next.js, and Node.js/FastAPI, enhancing data accessibility for global engineering teams. Developed AI-assisted search and summarization tools with LangChain and OpenAI, reducing documentation lookup time by 42%. Architected REST APIs and PostgreSQL schemas for secure and efficient handling of large datasets. Implemented asynchronous processing and Redis caching, improving backend throughput and scalability. Enhanced frontend rendering with SSR and dynamic imports, improving load performance. Expanded test coverage with Jest, Cypress, and Storybook, increasing regression reliability. Integrated role-based authentication using JWT and OAuth2 to secure internal applications. Containerized services with Docker and automated deployments via GitHub Actions and AWS ECS. Collaborated with data science teams to embed AI pipelines into frontend workflows.

Full Stack Engineer at Rx Marketing

October 1, 2022 - October 7, 2025

Developed real-time marketing analytics dashboards with React, Node.js, and Express, processing millions of records daily. Built RESTful services and backend schedulers for campaign aggregation and cleanup jobs. Integrated OAuth authentication, payment gateways, and third-party analytics APIs with SLA-compliant retry logic. Optimized backend performance using Redis caching, query optimization, and load balancing, reducing response times by 33%. Implemented AI-based A/B testing automation using Python and OpenAI APIs for data-driven campaign improvement. Created TypeScript-based component libraries reused across multiple internal tools. Established automated CI/CD testing pipelines using Jest, Cypress, and Supertest. Partnered with data and UX teams to deliver interactive visualization dashboards aligned with KPIs. Refined deployment automation using Docker and GitHub Actions for multi-environment workflows.

Full Stack Engineer at RGR Marketing

July 1, 2021 - October 7, 2025

Developed React (TypeScript) and Node.js single-page applications supporting marketing automation workflows. Built Express APIs with pagination, filtering, and aggregation logic connected to PostgreSQL. Automated data transformation and ETL tasks using Python scripts, improving pipeline efficiency. Introduced automated testing using Jest, Cypress, and ESLint, enhancing release reliability. Optimized performance with caching and bundle splitting, improving Lighthouse scores by 31%. Integrated analytics to track user behavior and inform UX optimization strategies. Collaborated with design and DevOps teams to streamline CI/CD processes. Documented shared utilities, API endpoints, and testing guidelines to improve team onboarding. Participated in Agile ceremonies, aligning sprint priorities with measurable product outcomes.

Full Stack Developer at Google

December 1, 2019 - October 7, 2025

Built Angular and React applications integrated with Node.js and PHP/Laravel APIs for enterprise platforms. Implemented secure REST services and authentication with JWT and OAuth 2.0. Optimized frontend and backend communication, cutting page load times by 28%. Developed reusable UI components and shared frontend libraries improving team velocity. Established automated testing with Jasmine, Karma, and Jest to reduce regressions. Documented frontend guidelines and accessibility standards. Integrated build validation in CI pipelines for release safety. Mentored junior developers on modern JavaScript frameworks and testing tools.

Junior Web Developer at Blue Rock Technologies

December 1, 2016 - October 7, 2025

Developed AngularJS and PHP/Laravel applications with dynamic REST APIs and interactive UI modules. Designed MySQL schemas and optimized queries for reporting dashboards. Implemented caching, minification, and responsive design for faster, mobile-ready interfaces. Added unit testing with Jasmine/Karma, improving defect detection pre-release. Worked closely with designers and PMs to translate requirements into maintainable frontends. Created secure login flows and session management using PHP and JavaScript. Documented reusable UI components and styling patterns for consistency. Supported deployments and debugging during staging and production releases. Enhanced API reliability through structured error handling and validation middleware.

Senior Full Stack Engineer at Walmart

March 1, 2025 - Present

Full Stack Software Engineer at Pratt & Whitney

March 31, 2025 - October 7, 2025

Built and optimized internal portals using React, Next.js, and Node.js/FastAPI, enhancing data accessibility for global engineering teams. Developed AI-assisted search and summarization tools with LangChain and OpenAI, reducing documentation lookup time by 42%. Architected REST APIs and PostgreSQL schemas for secure and efficient handling of large datasets. Implemented asynchronous processing and Redis caching, improving backend throughput and scalability. Enhanced frontend rendering with server-side rendering (SSR) and dynamic imports, improving load performance. Expanded test coverage with Jest, Cypress, and Storybook. Integrated role-based authentication using JWT and OAuth2 to secure internal applications. Containerized services with Docker and automated deployments via GitHub Actions and AWS ECS. Collaborated with data science teams to embed AI pipelines into frontend workflows.

Full Stack Software Engineer at Rx Marketing

October 1, 2022 - October 7, 2025

Developed real-time marketing analytics dashboards with React, Node.js, and Express, processing millions of records daily. Built RESTful services and backend schedulers for campaign aggregation and cleanup jobs. Integrated OAuth authentication, payment gateways, and third-party analytics APIs with SLA-compliant retry logic. Optimized backend performance using Redis caching, query optimization, and load balancing, reducing response times by 33%. Implemented AI-based A/B testing automation using Python and OpenAI APIs. Created TypeScript-based component libraries reused across multiple internal tools. Established automated CI/CD testing pipelines using Jest, Cypress, and Supertest. Partnered with data and UX teams to deliver interactive visualization dashboards aligned with KPIs. Refined deployment automation using Docker and GitHub Actions for multi-environment workflows.

Full Stack Engineer at RGR Marketing

July 1, 2021 - October 7, 2025

Software Developer / Full Stack Developer at Google

December 1, 2019 - October 7, 2025

Built Angular and React applications integrated with Node.js and PHP/Laravel APIs for enterprise platforms. Implemented secure REST services and authentication with JWT and OAuth 2.0. Optimized frontend and backend communication, cutting page load times by 28%. Developed reusable UI components and shared frontend libraries, improving team velocity. Established automated testing with Jasmine, Karma, and Jest to reduce regressions. Collaborated with backend and QA teams to ensure data consistency and API reliability. Documented frontend guidelines and accessibility standards. Integrated build validation in CI pipelines for release safety. Mentored junior developers on modern JavaScript frameworks and testing tools.

Frontend Developer / Web Developer at Blue Rock Technologies

December 1, 2016 - October 7, 2025

Developed AngularJS and PHP/Laravel applications with dynamic REST APIs and interactive UI modules. Designed MySQL schemas and optimized queries for reporting dashboards. Implemented caching, minification, and responsive design for faster, mobile-ready interfaces. Added unit testing with Jasmine/Karma, improving defect detection pre-release. Worked closely with designers and PMs to translate requirements into maintainable frontends. Created secure login flows and session management using PHP and JavaScript. Documented reusable UI components and styling patterns. Supported deployments and debugging during staging and production releases. Enhanced API reliability through structured error handling and validation middleware.