Careers Join us at Second Nature We’re passionate about giving every salesperson the opportunity to practice customer-facing conversations with AI. We also like to have a lot of fun together, whether it’s karaoke night or tennis. We do our best to make sure Second Nature is an awesome place to work at every day. We want you to join us! Check out the open roles below to see if there’s a match. World-class companies choose Second Nature's Sales Training Software ← All Jobs Careers Senior Full Stack Developer Israel Apply Now About The Position We’re looking for a top-tier Senior Full Stack Developer who’s passionate about building world-class user experiences and loves working at the intersection of beautiful frontends and powerful backends. If you're a React expert who enjoys diving into backend challenges (especially in Python), and you thrive in a fast-paced, high-impact environment — this role is for you.At Second Nature AI, we're building a cutting-edge, AI-powered conversation platform that lives in the browser — real-time audio, WebSockets, and all. You'll play a key role in bringing that vision to life, collaborating with talented product and design teams to deliver intuitive, high-performance features that feel like magic to our users.Key ResponsibilitiesArchitect, develop, and maintain sophisticated web applications using React with performance, responsiveness, and UX excellence in mindOwn and contribute to backend services, APIs, and infrastructure — Python and Django are a strong bonusSolve tricky bugs, tackle performance bottlenecks, and drive continuous improvements across the stackWork closely with product managers and designers to turn complex ideas into elegant, user-friendly solutionsEnsure top-notch speed, scalability, and accessibility across the appParticipate in code reviews, design discussions, and mentor team members with your experience and insightQualificationsBachelor’s or Master’s degree in Computer Science, Engineering, or a related field8+ years of hands-on development experience, with deep expertise in React and modern frontend architectureSolid backend development background — Python experience required; Django a plusComfortable with testing frameworks, CI/CD practices, and code quality toolsStrong product and UX intuition, with a passion for crafting smooth, delightful interfacesClear communicator who thrives in collaborative, cross-functional teamsBonus PointsExperience with additional frontend frameworks or advanced patternsExposure to cloud platforms (AWS/GCP), Docker, or KubernetesPassion for mentoring and helping others grow Compliance & Certifications With thousands of happy call center trainees worldwide