Sr./Staff JavaScript Developer
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Requirements
• Proficiency in JavaScript (ES6+), TypeScript, REST APIs, Git, and version control tools. • Extensive experience designing and maintaining Web SDKs with a focus on data collection, tracking, or analytics. • Experience leading the development of high-performance web applications that require deep understanding of platform internals (implied requirement based on context). • Knowledge in CI/CD pipeline setup for automated cross-browser testing and release cycles (inferred from "Build and maintain a robust CI/CD pipeline"). • Ability to optimize SDK performance while minimizing resource usage. • Familiarity with emerging web technologies, security practices, and industry trends relevant to risk detection and fraud prevention in finance. • Experience conducting code reviews and mentoring junior engineers on best coding practices (inferred from "Conduct thorough code reviews"). • Collaboration experience across cross-functional teams including product managers, designers, QA engineers to meet high standards of quality and customer requirements. • Understanding data privacy and security principles in software development with a focus on embedding these into SDKs (inferred from "Ensure data privacy and security"). • Innovative thinking for browser-based solutions related to risk, fraud detection, and device analytics (implied requirement based on context).
Responsibilities
• Lead the development and maintenance of a high-performance Web SDK for collecting and analyzing browser and device-related data. • Design and implement algorithms to create unique device fingerprints and capture behavior-based insights (e.g., gestures, keyboard, mouse interactions). • Build and maintain a robust CI/CD pipeline with automated cross-browser testing and release cycles. • Continuously optimize SDK performance to minimize resource usage and ensure a seamless user experience. • Stay updated on emerging web technologies, security practices, and industry trends to enhance SDK capabilities. • Develop clean, maintainable, and well-documented code aligned with the best coding practices. • Conduct thorough code reviews and mentor junior engineers on best practices. • Collaborate with cross-functional teams—including product managers, designers, and QA engineers—to meet high-quality standards and customer requirements. • Ensure data privacy and security principles are embedded in the SDK’s design and implementation. • Drive innovation in browser-based solutions for risk, fraud detection, and device analytics.
Benefits
• Mission-driven teams: Work alongside industry veterans from Meta, Uber, Citi, and Confluent, all united by a shared goal to make the digital world safer. • Mission-driven teams: • Ownership and impact: We believe in extreme ownership. You'll be empowered to take responsibility, move fast, and make decisions that drive our mission forward. • Ownership and impact: • Innovate at the cutting edge: Your work will shape how modern finance detects fraud and manages risk. • Innovate at the cutting edge: • Compensation: Competitive salary and equity packages, including a 401k • Flexibility: Remote-first culture — work from anywhere • Flexibility • Health: 100% Employer covered comprehensive health, dental, and vision insurance with a top tier plan for you and your dependents (US) • Health • Balance: Unlimited PTO policy • Balance • Technical: AI First company; both Co-Founders are engineers at heart; and over 50% of the company is Engineering and Product • Technical: • Culture: Family-Friendly environment; Regular team events and offsites • Culture • Development: Unparalleled learning and professional development opportunities • Development • Impact: Making the internet safer by protecting online transactions • If you are passionate about creating impactful web SDKs and enjoy solving complex challenges in risk and fraud prevention, we’d love to hear from you.