Hi, I'm Vanessa.

Vanessa López.

Paraguayan Systems Engineer since 2018. 7+ years building reliable Node.js microservices and REST APIs, with frontend experience. Curious about automation, cloud, and the occasional Arduino project.

Backend Developer

Get in touch Resume (EN) Resume (ES)

Vanessa López

Backend engineer who likes clean APIs and shipping interesting things.

With 7+ years building REST APIs in Node.js microservices and 2+ years in frontend with React. I care about testable code, reliable deployments, and tools that make teams faster.

7+ Years backend
6 Companies
∞ Coffee cups and mates

A decade of building.

Itti

Backend Developer

May 2024 — present
Node.js Nest.js TypeScript PostgreSQL Kong AWS S3 Jest
  • Design and develop REST APIs using Nest.js.
  • Contributed to the design and implementation of backoffice management software, enabling internal teams to operate more efficiently.
  • Configured rate limiting policies in Kong to protect services from traffic spikes and ensure API stability.
  • Built an image management pipeline on Amazon S3, automating upload, storage, and retrieval workflows.
  • Adapted the team's development workflow to integrate AI tools, improving productivity across the software lifecycle.

Bepsa Lab

Fullstack Developer

Sept 2022 — May 2024
Node.js TypeScript PostgreSQL Knex Jest
  • Designed and developed REST APIs using Node.js, supporting core business features end to end.

Monchis

Backend Developer

Oct 2021 — Sept 2022
Node.js Serverless PostgreSQL AWS WebSockets
  • Developed REST APIs using Node.js and the Serverless framework.
  • Built scheduled functions to handle large-scale background processes reliably.
  • Migrated a PostgreSQL database from a cloud provider to AWS RDS with minimal downtime.

Muv

Backend Developer

Oct 2018 — Jul 2021
Node.js Express.js MongoDB Kafka MySQL
  • Built Express.js endpoints across multiple microservices for user registration, profile updates, invoicing, and payment management.
  • Generated CSV reports on users, invoices, and payments to support data-driven decision making.
  • Developed Kafka event handlers to synchronize data between producer and consumer services.
  • Applied TDD practices using Mocha, Chai.js, Sinon.js, and Supertest to improve code quality and reliability.
  • Contributed to migrating from a monolithic MySQL database to multiple MongoDB instances, enabling the transition to a microservices architecture.

Valksoft

Frontend Developer

Nov 2017 — Nov 2018
Angular.js Electron Ionic CSS
  • Streamlined admin login in a desktop POS application by displaying recently logged-in users.
  • Improved the sales workflow with a responsive layout that surfaced key information at the right moment.
  • Built an Ionic mobile app enabling waiters to receive and manage customer orders in real time.

Monalisa S.R.L.

Frontend Developer

Mar 2016 — Feb 2018
JavaScript jQuery JSP CSS
  • Increased email subscriptions by implementing a dynamic pop-up on the home page.
  • Reorganized the home page to highlight promotions and display products by category.
  • Reduced product search time by adding a similar-products section and a mini gallery on the product details page.
  • Restructured the site footer to give users quick access to the most useful pages.

Skills

Backend

Node.js Express.js Nest.js MongoDB PostgreSQL MySQL

Frontend

React Angular jQuery HTML5 CSS

Languages

JavaScript TypeScript Python C

Tools

Git Jira Jest Docker

Some projects

Planning Poker

Real-time story estimation for agile teams. No sign-up or database — create a room, share the link, and vote together.

plannigpoker.vercel.app →

Education

Universidad Nacional del Este

Postgraduate, University Didactics

Dec 2018

Universidad Nacional del Este

Bachelor of Systems Engineering

Nov 2017

Languages

Spanish
Native
Portuguese
Intermediate
English
Basic
Guarani
Basic

Have Fun

Thanks for stopping by! Take a break and play a classic game of Snake — click Play to start.

Score: 0
← → ↑ ↓ or WASD to move · R to restart

Based on Dan Abramov's Snake

Let's build something good.

Open to Fullstack roles and interesting technical challenges.

Email marivane91@gmail.com
Location Ciudad del Este, Paraguay