Jobgether
Sr./Staff JavaScript Developer - Web SDK
Brazil
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hirly's read of this role
- Role family
- Engineering
- Seniority
- Lead / management
- Country
- BR
- Work mode
- Remote-friendly
- First seen by hirly
- 21 Sept 2026
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the posting
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Sr./Staff JavaScript Developer - Web SDK based in Brazil.
- This role offers the opportunity to shape a high-performance Web SDK at the intersection of JavaScript, browser technology, security, and fraud prevention.
- You will design and optimize technology that collects browser, device, and behavioral signals to help organizations make smarter risk decisions.
- The position requires deep knowledge of web platform internals rather than traditional UI or application development.
- You will work across engineering, product, design, and QA teams to deliver secure, scalable, and developer-friendly solutions.
- As a senior technical contributor, you will influence architecture, performance, engineering practices, and SDK capabilities.
- You will also contribute to innovation in device intelligence, identity verification, behavior analytics, and risk technology.
- This is a remote opportunity for an experienced engineer who enjoys solving complex technical challenges with meaningful real-world impact.
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