Senior Software Engineer - Fullstack Web SDK Engineer - Remote

Overview

This role can be performed remotely anywhere within Brazil. As a Fullstack Web SDK Engineer on the Web Capture team, you’ll help build and evolve Fullstory’s core web SDK, enabling product teams to better understand user behavior and create exceptional digital experiences. You'll play a critical role in capturing high-fidelity, privacy-conscious session data that powers Fullstory’s session replay and analytics tools.

In Short

• Engineer performant, reliable features in our web SDK using TypeScript.
• Contribute to our React-based Playback graphics app.
• Collaborate with backend engineers to design and build Go-based services.
• Troubleshoot cross-browser inconsistencies.
• Partner with stakeholders across Product, Design, and Support.
• Participate in technical planning and code reviews.

Requirements

• Proven experience developing and maintaining production-grade JavaScript or TypeScript libraries.
• Demonstrated ability to work with browser APIs and rendering engines.
• Hands-on experience building modern web applications with React.
• Backend development experience using Go or similar languages.
• A track record of collaborating cross-functionally to scope projects.
• English language fluency required.
• Bachelor's degree in Computer Science or a related field.

Benefits

• Autonomy and flexibility with a remote-first work environment.
• Sponsored benefit packages for US-based Fullstorians.
• Professional development opportunities through training programs.
• Monthly productivity stipend and reimbursement for home office setup.
• Connect with fellow Fullstorians through team events.
• Paid parental leave for growing families.
• Global fertility and family building benefit.
• Bereavement leave and miscarriage/pregnancy loss leave.