JavaScript Specialist

Description

Job Summary: JavaScript Specialist to work on security, attack prevention, and strengthening of authentication architecture on a large-scale digital platform. Key Highlights: 1. Strategic role in building security solutions 2. Focus on attack prevention and strengthening authentication architecture 3. Collaboration with Red Team and Blue Team JavaScript Specialist Requirements: Professional with over 5 years of frontend development experience, to serve as a Specialist in the Fraud and Authentication team on a large-scale digital platform. Will play a strategic role in building security solutions, focusing on attack prevention, malicious injections, and strengthening authentication architecture. Knowledge: * HTML/CSS \- Sass/Less/JSS; * JavaScript and TypeScript; * Angular/React; * Bundlers (Webpack, others); * Consuming REST APIs; * Testing (Jest, Cypress, others); * Developing and maintaining authentication SDKs (native or cross-platform). * Designing and implementing security architecture applied to fraud and authentication scenarios. * Acting on attack prevention and mitigation, including injection attacks. * Collaborating with Red Team and Blue Team to strengthen security controls. * Ensuring security coverage in SDK integrations with various applications. * Experience handling high-volume data. Advantages: * Experience with agile frameworks and methodologies (Scrum, Kanban); * Experience with a backend language (NodeJS, NestJS); * Familiarity with User Experience (UX) and User Interface (UI) concepts; * Experience with CI/CD pipelines, particularly using Jenkins; Knowledge of modern security frameworks. Experience in large-scale environments (data tech, fintechs, or similar).