Senior Full-Stack Software Engineer, Applied AI

Accountabilities:

You will design, build, and optimize full-stack AI features end-to-end while contributing to experimentation, system reliability, and continuous product improvement across AI-powered experiences.

• Ship full-stack AI features using Ruby on Rails and React across production systems


• Design and run experiments, including A/B tests and AI evaluations, to measure feature impact


• Build and maintain AI infrastructure components, including LLM-based systems and inference workflows


• Develop and improve RAG systems, AI agents, and other applied LLM-based solutions


• Optimize performance, scalability, and reliability of AI-driven features in production


• Collaborate closely with product managers, designers, and engineering peers to define feature direction


• Continuously improve engineering processes and tooling to support rapid AI iteration


• Stay current with emerging AI research and translate insights into practical implementations


• Ensure high standards of code quality, system design, and user experience across releases

Requirements

You bring strong full-stack engineering experience at scale, combined with hands-on exposure to building and shipping AI-powered features in real production environments. You are comfortable working across ambiguity, experimentation, and fast iteration cycles.

• 6+ years of experience as a full-stack engineer on high-traffic production applications


• Strong proficiency in Ruby on Rails, ReactJS, and relational databases (PostgreSQL/MySQL)


• Hands-on experience building production AI features such as RAG systems, AI agents, or LLM-powered tools


• Proven ability to design and run experiments (A/B testing, evaluation frameworks, iterative product testing)


• Strong understanding of backend and frontend systems, with ability to work across the stack


• Experience working in scalable, performance-sensitive environments


• Comfort operating in fast-paced, ambiguous environments with evolving requirements


• Strong collaboration skills and ability to work closely with cross-functional teams


• Excellent English communication skills (written and verbal)


• Strong bias toward action, experimentation, and measurable outcomes

Benefits:

• Fully remote work from anywhere


• Competitive compensation with regular performance reviews and equity opportunities


• 35 days of paid time off annually


• Paid sabbatical after 5 years of service


• Comprehensive medical coverage for employees and eligible family members


• Home office setup stipend


• Learning and development budget for professional growth


• Annual company retreats in international locations


• Parental leave and family support benefits


• Strong autonomy with a high-trust, outcomes-focused culture


• Inclusive, global team environment with diverse backgrounds and perspectives

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