Jumpseller
Jumpseller

Full-stack Developer

July 30, 2025
Full-time
Remote · Portugal
Entry level
Full-stack Developer
Apply now

Jumpseller is a SaaS solution for small business to manage their online business. We focus on making e-commerce easier for everyone, so businesses can focus on what they do best: building and selling their products. Today, merchants use the Jumpseller platform to manage every aspect of their online business — from products to orders to customers, selling with an online store, on mobile, on social networks and through different e-commerce channels.

At Jumpseller you will find a startup environment in which your contributions matter and you are enabled to grow professionally. We have 2 offices, one in Porto, Portugal, and another in Santiago, Chile, and our working culture is international. We all work fully remote.

We are looking for a Full Stack Developer to join our growing team. We look for skilled & dedicated people who share our passion for building a product that millions of people use.

You Are

  • A bachelor/master in Informatics (or related);
  • Proven professional experience in OO programming and web development;
  • Attentive to details, delivering quality code which is maintainable, efficient and reliable;
  • Experienced in MySQL, or other relational databases;
  • Familiar with automated testing tools;
  • Used to work in JSON/XML/CSV formats and have no issues with HTML/CSS;
  • Use AI coding tools (e.g. GitHub Copilot, ChatGPT, Claude, etc.) to enhance productivity and code quality.
  • Experienced in Ruby or Ruby and Rails (the right candidate will be considered without this experience);
  • Experience in React / React Native:
  • Good in English communication and teamwork.

You Will

  • Work in an informal environment, for a global market;
  • Strive to write clean, modular, flawless and scalable code responsible to handle millions of records;
  • Design new features from ground-up, from a given set of specs;
  • Build automated tests for your code while help improving and maintaining our current test set;
  • Be in contact with our Customer Support Team, resolving technical issues and understand how to improve our service;
  • Take responsibility, autonomy and ownership of your work.