Full Stack Developer

Jumpseller

full-time

Posted on: 1/19/2026

Location Type: Remote

Location: Portugal

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About the role

Work in an informal, collaborative environment serving a global market
Write clean, modular, scalable, and reliable code capable of handling millions of records
Design and implement new features end-to-end , starting from a given set of specifications
Build automated tests for your code and help improve and maintain our existing test suite
Collaborate with our Customer Support team to resolve technical issues and identify ways to improve our service
Take ownership, autonomy, and responsibility for your work and its impact

Hold a complete Bachelor’s or Master’s degree in Informatics, Computer Science, Software Engineering, or a related field;
Have proven professional experience in object-oriented programming and web development;
Have experience with Ruby or Ruby on Rails (candidates without this experience will also be considered);
Have experience with React or React Native ;
Are detail-oriented , writing high-quality code that is maintainable, efficient, and reliable
Have experience with MySQL or other relational databases
Are familiar with automated testing tools
Are comfortable working with JSON, XML, and CSV formats , as well as HTML/CSS
Are familiar with AI-powered coding tools (e.g. GitHub Copilot, ChatGPT, Claude) to improve productivity and code quality
Communicate well in English and enjoy working collaboratively in a team.

Benefits

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

object-oriented programmingweb developmentRubyRuby on RailsReactReact NativeMySQLautomated testingJSONHTML/CSS

Soft Skills

detail-orientedcollaborativeownershipautonomyresponsibilitycommunication

Certifications

Bachelor’s degreeMaster’s degree