We are seeking a **Senior JavaScript Frontend Developer** to join our dynamic engineering team focused on advancing AI\-driven legal technology. You will contribute to developing and enhancing SaaS products, collaborating cross\-functionally to deliver high\-quality solutions. If you are passionate about building complex web systems and thrive in fast\-paced environments, we encourage you to apply. **Responsibilities** * Design software solutions that align with user needs * Test and debug applications to ensure optimal performance * Develop and maintain frontend components using JavaScript and React * Collaborate with backend developers to integrate REST APIs and Node.js services * Communicate effectively with cross\-functional teams including Product Management and Customer Service * Estimate tasks and manage production deadlines efficiently * Contribute to the evolution of AI\-assisted legal technology platforms * Support and enhance existing SaaS products through ongoing maintenance * Participate in code reviews and share knowledge within the engineering team * Adhere to best practices in software development and security * Facilitate knowledge transfer and onboarding of new team members * Ensure compatibility and performance across different environments including Windows VDI **Requirements** * Proven experience of 3\+ years in JavaScript development including async/await, Promises, and array/object methods * Strong knowledge of React framework and its ecosystem * Experience with backend development and API integration using Node.js * Demonstrated ability to build and deliver complex web systems to clients * Effective communication skills to interact with users, technical teams, and management * Bachelor's degree in Computer Science, Electrical Engineering, Computer Engineering, or equivalent professional experience * Ability to work at least 3\-4 hours overlapping with California PDT timezone * Upper\-Intermediate English proficiency (B2\) to collaborate within a global team **Nice to have** * Experience working with databases and data management * Ability to perform self\-sufficient testing without reliance on QA teams * Background or interest in legal technology * Advanced Python skills for full\-stack development * Familiarity with AI and machine learning concepts