GoodLeap, a leading technology company in sustainable solutions financing, is seeking a Principal AI Engineer for their Payments team. This role combines advanced AI expertise with payments technology, requiring 8+ years of backend development experience and deep knowledge of LLMs and AI systems. The position offers an opportunity to shape the company's AI strategy through intelligent agents and LLM implementation, while working on a platform that has facilitated over $30 billion in sustainable financing. The role involves designing sophisticated AI architectures, implementing agentic workflows, and leading technical strategy for AI integration across multiple platforms. The ideal candidate will balance technical excellence with leadership responsibilities, including mentoring team members and influencing engineering standards. This hybrid position offers competitive compensation ($202,000-$237,000) and the chance to work on innovative solutions that impact both financial technology and environmental sustainability. The role provides growth opportunities within a company that values professional development and has a meaningful mission through their nonprofit GivePower initiative.