Carlos Correa

Full Stack Developer

3+ years of experience building scalable web applications with React, Node.js and AWS. Specialized in agile environments and user-centered solutions development.

Experience

Professional journey

  • Full Stack Developer

    Farmaloop

    Startup, E-commerce, Pharmacy

    August 2023 - March 2025

    1 year, 7 months

    Remote
    Professional reference

    Cristian Olivares

    [email protected]

    Key achievements:

    • Developed and maintained key modules of the internal administrative platform used by more than 10 employees to manage customer data and operations.
    • Implemented a point of sale (POS) system for direct sales, reducing average sales time to under 5 minutes.
    • Optimized the real-time order processing module, handling up to 100 orders/hour and increasing operational efficiency by 30%.

    Technologies used:

    ReactNode.jsTypeScriptMongoDBAWSExpressRedux
  • Frontend Developer

    Contactemos Contact Center

    SaaS, B2B

    February 2023 - August 2023

    7 months

    Remote

    Key achievements:

    • Fixed critical bugs in the appointment scheduling application, significantly reducing the user abandonment rate.
    • Developed complete modules for customer, location and appointment management, improving end-user experience.
    • Proposed and implemented features that increased SaaS system usability, receiving positive feedback from the product team.

    Technologies used:

    ReactJavaScriptCSSREST APIsGit
  • Frontend Developer

    CheshTech Digital Agency

    Digital Agency, B2B

    April 2022 - February 2023

    11 months

    Seattle, Washington (Remote)

    Key achievements:

    • Designed key interfaces and pages using Next.js and Gatsby.js for high-performance B2B websites.
    • Refactored code in existing applications, improving readability and reducing codebase size by 15%.
    • Improved loading times by up to 20% through advanced performance optimization techniques.
    • Developed e-commerce modules and integrations using Shopify API and Apollo Server.

    Technologies used:

    Next.jsGatsby.jsReactTypeScriptShopify APIApollo ServerGraphQL
  • Frontend Developer Freelance

    Upwork

    Freelance

    December 2021 - May 2022

    6 months

    London, United Kingdom (Remote)

    Key achievements:

    • Built interactive React components to display audio data through REST APIs, creating intuitive and responsive interfaces.
    • Diagnosed and fixed critical API connection bugs, improving application stability.
    • Gained valuable experience working with agile methodologies and management tools like Jira in international teams.

    Technologies used:

    ReactJavaScriptREST APIsJiraGit

Details

Detailed information about my work experience

Download CV

Projects

A selection of my most recent projects

  • Screenshot of Kumbio
    Featured Project

    Kumbio

    2023
    3 people
    Contactemos Contact Center

    Application for scheduling and managing appointments.

    Challenge:

    Reduce user abandonment rate in appointment application

    Solution:

    UX refactoring and new management modules

    Results:

    Significant reduction in user abandonment rate

    Technologies used:

    ReactNext.jsTypeScriptMaterial UI
  • Screenshot of Farmaloop
    Featured Project

    Farmaloop

    Aug 2023 - Mar 2025
    Startup
    Farmaloop

    FarmaLoop is the first online pharmacy based on circular economy focused on chronic patients. Buy your medications online in Chile.

    Challenge:

    Develop and maintain an online pharmacy platform with a circular economy focus

    Solution:

    Development of administrative modules, point of sale (POS) and real-time order optimization

    Results:

    Internal modules used by +10 employees, sales in under 5 minutes and +30% operational efficiency

    Technologies used:

    ReactNext.jsTypeScriptNode.jsExpressMongoDBAWS
  • Screenshot of Teslo Shop
    Featured Project

    Teslo Shop

    2023
    1 person
    Personal Project

    E-commerce platform built with React and Next.js, optimized for SEO and performance, with payment integration and product management.

    Challenge:

    Build a scalable and fast online store using Next.js and SEO optimization

    Solution:

    Store development with Next.js, payment integration and SEO optimization

    Results:

    Fast-loading website, optimized SEO, payment integration

    Technologies used:

    Next.jsReactTypeScriptMaterial UIPaypal API
  • Screenshot of Cryptoverse

    Cryptoverse

    2022
    1 developer
    Personal Project

    Cryptocurrency web application built with React, advanced API integrations and performance optimization.

    Challenge:

    Display cryptocurrency data including prices, charts and news

    Solution:

    React application development with API integration, performance optimization and PWA

    Results:

    Fast and responsive web application with up-to-date data

    Technologies used:

    ReactTypeScriptCSSREST APIsPWA

Let's work together?

Interested in collaborating or have a project in mind?

Get in touch

About Me

My personal story

My Journey

My passion for technology began when I created my first website at 15 years old. Since then, I've been obsessed with writing clean and efficient code.

Over the years, I've worked on diverse projects, from startups to established companies, always focusing on creating solutions that make a difference.

Roles and Evolution

I've had the privilege of working in various roles, from Frontend Developer to Software Architect.

Each role has taught me something valuable and helped me grow as a professional and as a person.

Location
Remote Work
Experience
3+ Years
Languages
Spanish (Native), English (B1)
Philosophy
Clean code and accessibility aren't optional, they're essential.

Current Focus

I'm currently deepening my knowledge in:

Next.js 15 and React Server Components

Web performance optimization

Web accessibility (WCAG AAA)

Next.js 15 and React Server Components

Beyond the Code

When I'm not coding, you'll find me:

  • Exploring new technologies and frameworks
  • Contributing to open source projects
  • Sharing knowledge with the community

Would you like to work with me?

I'm always open to new challenges and collaboration opportunities. If you have an interesting project or just want to chat about technology, don't hesitate to contact me.

Skills

My technical stack and proficiency level

Proficiency Levels

Expert

Deep expertise, capable of leading projects and mentoring

Advanced

Daily professional use, independent problem solving

Intermediate

Practical experience, development with occasional supervision

Beginner

Basic knowledge, in learning process

Categories

Languages

  • JavaScriptExpert
    3+ years

    Daily development in enterprise projects, ES6+, functional programming

  • TypeScriptExpert
    2+ years

    Advanced typing, complex interfaces, integration in large projects

  • C++Beginner
    6 months

    Basic knowledge, data structures, object-oriented programming

Frontend Development

  • ReactExpert
    3+ years

    Daily development in enterprise projects, complex components, advanced hooks

  • Tailwind CSSExpert
    2+ years

    Design systems, reusable components, responsive design

  • Next.jsAdvanced
    2+ years

    SSR, SSG, API routes, production performance optimization

  • ReduxAdvanced
    2+ years

    Complex state management, Redux Toolkit, custom middleware

  • React QueryIntermediate
    1+ year

    Data caching, server-client synchronization, optimistic updates

  • AngularIntermediate
    6 months

    Components, services, routing, reactive forms

Backend Development

  • Node.jsExpert
    3+ years

    REST APIs, microservices, real-time data processing

  • REST APIsExpert
    3+ years

    Scalable API design, documentation, versioning

  • Express.jsAdvanced
    3+ years

    Custom middleware, authentication, advanced error handling

  • NestJSIntermediate
    1+ year

    Modular architecture, decorators, dependency injection

  • GraphQLIntermediate
    1+ year

    Resolvers, schemas, query optimization

  • Apollo ServerIntermediate
    1+ year

    Database integration, caching, subscriptions

Databases

  • MongoDBAdvanced
    2+ years

    Data modeling, complex aggregations, indexes, replication

  • PostgreSQLIntermediate
    1+ year

    Complex queries, relationships, stored procedures

  • DynamoDBIntermediate
    1+ year

    NoSQL design, partitioning, AWS integration

Cloud & DevOps

  • GitExpert
    3+ years

    Complex workflows, conflict resolution, Git Flow

  • AWSIntermediate
    1+ year

    EC2, S3, Lambda, API Gateway, CloudWatch, deployments

  • DockerIntermediate
    1+ year

    Containerization, docker-compose, image optimization

  • CI/CDIntermediate
    1+ year

    GitHub Actions, automated pipelines, automated testing

Project Management

  • Agile/ScrumAdvanced
    2+ years

    Sprints, retrospectives, estimations, distributed team work

  • KanbanAdvanced
    2+ years

    Continuous flow, performance metrics, process optimization

  • JiraAdvanced
    2+ years

    Project configuration, reports, automations

Languages

Spanish

Native

Fluent professional and technical communication

English

B1 - Intermediate

Technical written communication, work meetings

Continuous Learning

Technology evolves constantly, and so do I. I am currently deepening my knowledge in microservices, refining my advanced testing skills, exploring Angular, and preparing for the MCP certification.

  • Microservices
  • Advanced Testing
  • Angular
  • MCP

Get in Touch

Have a project in mind? Let's talk.