Back End Developer

Summary

We are looking for a Senior Backend Developer (€60k - €80k / year) with over 6 years of professional experience.

You will be working alongside the Engineering team building a payment infrastructure for online B2B transactions. The goal is to provide businesses with a quick, efficient, and exceptional checkout experience.

We’ve raised our Series B round and are funded by top-tier venture firms.

What You’ll Do

As a Senior Backend Developer, you will build and own core product features and integration applications.

We’re expecting people to do these main tasks

• Solve complex problems, taking complete ownership of feature sets from initial discussion through to customer delivery.
• Collaborate with PMs and Designers to build efficient web applications.
• Participate in design and code reviews.
• Identify and resolve issues quickly across the stack.
• Implement automated testing and deployment processes to maintain code quality.
• Share in team responsibilities, including production on-call support.

What We’re Looking For

• 6+ years of professional software development experience (required).
• Expertise in JavaScript, ideally having worked with mainly with Node.js (mandatory);
• Some experience with React is a plus
• Familiarity with test automation tools and libraries, preferably Jest/Playwright.
• A solid understanding of UI/UX principles and experience in translating design concepts into functional user interfaces.
• Experience working in an Agile environment, utilizing CI/CD workflows, and deploying dockerized solutions on a public cloud (preferably AWS).
• Strong communication skills in English, both written and verbal.
• An ambitious team player with the flexibility to work both independently and within a team.

Why Work With Us:

• Join a mission-driven and value-driven company that puts culture and personal growth front and center.
• Hybrid work model ​(Lisbon) - 2x/week;
• Base Salary Range: €60k-€80k/year