Description:

This role can be performed remotely anywhere within Colombia.
As a Fullstack Web SDK Engineer on the Web Capture team, you will help build and evolve Fullstory’s core web SDK.
You will enable product teams to better understand user behavior and create exceptional digital experiences.
Your critical role will involve capturing high-fidelity, privacy-conscious session data that powers Fullstory’s session replay and analytics tools.
You will engineer performant, reliable features in the web SDK using TypeScript, ensuring accurate capture of user sessions across browsers and frameworks.
You will contribute to the React-based Playback graphics app, using knowledge of browser behavior and canvas rendering to deliver high-fidelity session visualizations.
You will collaborate with backend engineers to design and build Go-based services that support new capture and analysis capabilities.
Troubleshooting cross-browser inconsistencies and edge cases will be part of your responsibilities to ensure a stable experience for all users.
You will partner with stakeholders across Product, Design, and Support to scope work effectively and deliver on time.
Participation in technical planning and code reviews will be expected, bringing your expertise in web performance, browser internals, and fullstack development to guide team success.

Requirements:

Proven experience developing and maintaining production-grade JavaScript or TypeScript libraries or SDKs, ideally for third-party applications or developers.
Demonstrated ability to work with browser APIs, DOM behavior, and rendering engines to solve complex technical challenges.
Hands-on experience building modern web applications with React, including knowledge of performance tuning and component design.
Backend development experience in a production environment using Go (or similar languages) is required.
A track record of collaborating cross-functionally to scope projects, meet deadlines, and deliver impactful solutions.
English language fluency (speaking, reading, writing) is required for collaboration with US-based teams.
A Bachelor's degree in Computer Science or a related field is necessary.

Fullstory offers autonomy and flexibility, including a remote-first work environment and flexible paid time off.
Sponsored benefit packages for US-based Fullstorians and supplemental coverage options for international Fullstorians are provided.
Professional development opportunities through training programs, career coaching sessions, and an annual learning subsidy are available.
A monthly productivity stipend and reimbursement for initial home office setup are provided to all Fullstorians.
Team events, including Employee Resource Group events and team off-sites, help connect colleagues.
Paid parental leave allows Fullstorians to balance the needs of their growing families.
A global fertility and family building benefit is offered to support all journeys to growing a family.
Bereavement leave is available, allowing employees to define their family and receive support when needed.
Miscarriage/Pregnancy loss leave is provided for Fullstorians and their partners, allowing them to take necessary time off.