AffiniPay, a leading fintech company based in Austin, is seeking a Fullstack Senior Software Engineer to modernize their MyCase legal practice management software. This role offers an exciting opportunity to work on large-scale SaaS applications serving thousands of legal professionals. You'll be responsible for designing and implementing scalable applications using modern frameworks like Rails, React, and Node.js, while mentoring team members and driving technical initiatives. The position offers competitive compensation ($150-160K), comprehensive benefits, and a hybrid work environment in San Diego. The ideal candidate brings 5+ years of experience in cloud-based solutions, strong React and Rails expertise, and excellent communication skills. Join a fast-growing company recognized in Inc. 5000 for 13 consecutive years, committed to innovation and professional growth.