Senior Javascript Fullstack Engineer

Keystone AI is a Legal AI company delivering Legal Operating Intelligence for the future of legal work. Grounded in a singular system of truth, Keystone AI brings together data, documents, workflows, and teams into one unified platform—where modern legal work happens with clarity and consistency. Powered by LOIS , the Legal Operating Intelligence System, Keystone AI connects context across every matter to transform legal operations from reactive to proactive. LOIS reads, understands, and reasons across your data to surface insight, automate complexity, and give professionals the clarity and confidence to see more, know more, and do more. Fueled by a team of exceptional collaborators and innovators, Keystone AI ’s rapid growth has earned AI awards and recognition from Deloitte and Inc. as one of the most innovative and fastest-growing technology companies in the country. Role Summary: We are seeking a talented and experienced Senior Javascript Full Stack Engineer to join our dynamic team. The ideal candidate will have a passion for creating high-quality, user-friendly web applications, and a deep understanding of the latest web technologies. Responsibilities Design, develop, and maintain high-quality web applications using JavaScript, Node.js, and React. Collaborate with cross-functional teams to define, design, and ship new features. Analyze and resolve technical and application problems. Adhere to high-quality development principles while delivering solutions on-time and on-budget. Debug production issues across services and multiple levels of the stack with an eye towards improving maintainability over the long term. Improve engineering standards, tooling, and processes. Qualifications Required Skills: 7+ years React experience (class & functional components) Strong JavaScript/TypeScript skills Node.js & Express.js backend experience Experience with cloud platforms (GCP preferred) Experience with complex rich text editors (DraftJS, TipTap, or similar) Webpack & modern build tooling Strongly Preferred: AI/ML API integration experience Elasticsearch experience Legacy codebase experience Performance optimization Nice to Have: Firebase experience PDF/DOCX document processing Docker & CI/CD experience Legal tech domain experience MobX state management Education B.S. in computer science, information systems, a related field; comparable certifications; or equivalent direct work experience Compensation Information: $150000 - 193000 The base salary range represents the low and high end of the salary range for this position. The total compensation package for this position will be determined by each individual’s location, qualifications, education, work experience, skills and performance. We believe in the importance of pay equity - the range listed is just one component of Keystone AI ’s total compensation package for employees. This position is also eligible for a paid time off policy, as well as a comprehensive benefits package. Cool Company Benefits: - A dynamic, rapidly growing company, focused on helping organizations thrive - Medical, Dental, & Vision Insurance (for full-time employees) - Competitive & Fair Pay - Maternity & paternity leave (for full-time employees) - Short & long-term disability - Opportunity to learn from a dedicated leadership team - Top-of-the-line company swag Privacy Policy Notice Keystone AI will handle your personal information according to what’s outlined in our Privacy Policy . Communication about this opportunity, or any open role at Keystone AI , will only come from representatives with email addresses using " filevine.com ". Other addresses reaching out are not affiliated with Keystone AI and should not be responded to. Originally posted on Himalayas