Senior Full Stack Engineer

Description We’re hiring a Senior Full Stack Engineer to help evolve Stampli’s AI-first AP Automation platform. You’ll be a key player in building a unified system that gives companies full control and visibility over spending, from invoices to AP credit cards to payments. This is a high-impact role in a fast-growing startup where AI is not just a feature but a foundation. You’ll architect and deliver scalable, intuitive web experiences that drive efficiency, transparency, and collaboration across the finance workflow. What You Will Do End-to-End Development: Build and enhance our platform using Java and React, delivering seamless, performant user experiences across web applications. AI-Enhanced Feature Delivery: Work closely with AI and product teams to integrate smart automations, faster approval workflows, and contextual user assistance throughout the application- MUST Performance Optimization: Ensure responsiveness and scalability of the application, handling large data sets and user volumes efficiently. Collaborative Problem Solving: Partner with designers, PMs, and fellow engineers to transform business needs into elegant technical solutions. Clean Code & Best Practices: Write robust, maintainable, and testable code. Participate in code reviews and contribute to engineering excellence. Continuous Improvement: Keep up with new trends and technologies—especially in AI/ML—and look for opportunities to evolve our systems and architecture. What You Will Bring Hands-on, proven experience using AI development tools such as ChatGPT, Copilot or similar on a daily basis, including code generation, testing, documentation and code review 6+ years of professional experience as a Full Stack Engineer Strong development background with Java and React Proven ability to design and build scalable applications Experience in Agile environments and comfort with fast-paced iteration Strong problem-solving skills and ownership mentality Bonus: Familiarity with AWS services and cloud infrastructure Knowledge of NoSQL databases Experience contributing to AI-driven products or features You Will Get AI-driven workplace: Work with cutting-edge tools like ChatGPT Enterprise to enhance productivity, spark innovation, and streamline your day-to-day. Hybrid model: Join us in our Tel Aviv office three days a week (Tue–Thu), with the flexibility to work remotely the rest of the week. Stock options and real ownership in what you help build. Career growth supported by experienced, innovation-focused leadership. Modern, inclusive environment within a fast-moving scale-up culture. Why Join Stampli? Stampli is revolutionizing financial operations with AI, far ahead of competitors. For nearly a decade, our AI assistant, Billy, has set the industry standard—processing $100B+ in invoices annually and saving millions of labor hours for 1,600+ customers. More than automation, Billy transforms finance teams by freeing them of manual work. Our explosive growth places us among the top tech companies at our stage, with exceptionally low churn. After conquering the Accounts Payable space, we're now revolutionizing the entire procure-to-pay (P2P) lifecycle with our new platform that "connects every dot from request to reconciliation." What sets us apart? We adapt to customers—not the other way around—integrating with 70+ ERPs in weeks, not months. Our customer-first approach extends to our award-winning workplace culture, with vibrant, global offices. We've earned multiple Comparably awards, including Best Company Outlook, Work-Life Balance, Compensation, Happiness, and Perks & Benefits. Here at Stampli, we build exceptional products with exceptional people. Join our dynamic team where your career will thrive in an environment that champions creativity, collaboration, and growth!