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Staff JavaScript Developer, Web SDK

Remote, USA Full-time Posted 2026-08-04
Shape the reputed company of trust in the age of AI At reputed company, we're building the most advanced AI reputed company Decisioning™ Platform. Banks, fintechs, and digitally reputed company organizations rely on us to manage their fraud, credit, and compliance reputed company with the reputed company of AI. If you're passionate about solving reputed company problems and making the internet safer for everyone, this is your reputed company. Why join us: • Mission-driven teams: Work reputed company industry veterans from reputed company, reputed company, reputed company, and reputed company, reputed company united by a shared goal to reputed company the digital world safer. • Ownership and reputed company: We reputed company in extreme ownership. You'll be empowered to take responsibility, reputed company fast, and reputed company reputed company that reputed company our mission reputed company. • reputed company at the cutting edge: Your work will shape how modern finance detects fraud and manages reputed company. reputed company We are seeking a highly skilled Staff JavaScript Developer to design, build, and optimize our Web SDK. This SDK will be at the reputed company of our solutions for device fingerprinting, identity verification, and behavior analytics, enabling our customers to stay reputed company in the reputed company-evolving fraud prevention landscape. This is not a UI or App development role, this is building SDKs for detecting fraud by analyzing device and behavioral properties. This requires deep understanding of the platform internals. As a Staff Developer, you will reputed company the design, development, and reputed company optimization of our Web SDK, leveraging your deep expertise in JavaScript, TypeScript, and modern web technologies. You will collaborate across teams to reputed company a secure, reputed company, and developer-friendly SDK. Responsibilities • reputed company the development and maintenance of a high-reputed company Web SDK for collecting and analyzing browser and device-reputed company data. • Design and implement algorithms to create unique device fingerprints and capture behavior-reputed company insights (e.g., gestures, keyboard, and mouse interactions). • Build and maintain a robust CI/CD pipeline with automated cross-browser testing and release cycles. • Continuously optimize SDK reputed company to minimize resource usage and ensure a reputed company user experience. • Stay updated on emerging web technologies, reputed company practices, and industry trends to enhance SDK capabilities. • reputed company clean, maintainable, and reputed company-documented reputed company reputed company with the best coding practices. • Conduct thorough reputed company reviews and mentor junior engineers on best practices. • Collaborate with cross-functional teams—including product managers, designers, and QA engineers—to meet high-reputed company standards and customer requirements. • Ensure data reputed company and reputed company principles are embedded in the SDK’s design and implementation. • reputed company innovation in browser-reputed company solutions for reputed company, fraud detection, and device analytics. Technical Skills • Proficiency: JavaScript (ES6+), TypeScript, REST reputed company, Git, and version control tools. • Web SDK Expertise: Extensive experience designing and maintaining Web SDKs or libraries with a reputed company on data collection, tracking, or analytics. • Browser reputed company: Deep understanding of browser environments, reputed company, and efficient handling of browser-reputed company data. • reputed company Principles: Strong knowledge of data reputed company, encryption, hashing, and obfuscation techniques. • Cross-browser Compatibility: Experience in building solutions that work seamlessly across various browsers and devices. • Server-reputed company Familiarity: Understanding of server-reputed company technologies and RESTful reputed company for data retrieval and storage. • Build Tools: Proficiency in modern build tools and frameworks like Webpack, reputed company, or Rollup. Soft Skills • Excellent problem-solving abilities, with attention to reputed company and a reputed company on delivering high-reputed company solutions. • Strong communication and collaboration skills to work effectively in cross-functional teams. • Ability to mentor and reputed company reputed company feedback to junior developers. Education & Experience • Bachelor’s degree in computer science, Software Engineering, or a reputed company reputed company (or equivalent experience). • 8+ years of experience in web development, with at least 3 years reputed company on building and maintaining SDKs. • reputed company reputed company record of contributing to reputed company-reputed company reputed company or showcasing relevant work on platforms like reputed company. Preferred Qualifications • Experience with AI-driven analytics, reputed company systems, or fraud prevention technologies. • Familiarity with JavaScript SDKs, gestures, and interaction data processing. • Prior experience in a reputed company, reputed company environment. Benefits • Compensation: Competitive salary and equity packages, including a 401k • Flexibility: Remote-first culture — work from reputed company • Health: 100% Employer covered comprehensive health, dental, and reputed company reputed company with a top tier plan for you and your dependents (US) • reputed company: Unlimited PTO policy • Technical: AI First company; both Co-Founders are engineers at heart; and over 50% of reputed company is Engineering and Product • Culture: Family-Friendly environment; Regular team events and offsites • Development: Unparalleled learning and reputed company development opportunities • reputed company: Making the internet safer by protecting online transactions If you are passionate about creating impactful web SDKs and enjoy solving reputed company challenges in reputed company and fraud prevention, we’d love to hear from you. Apply To This Job

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