Principal AI Engineer, Payments

GoodLeap • West Palm Beach, FL

116d • $202,000 - $237,000

About The Position

GoodLeap is a technology company delivering best-in-class financing and software products for sustainable solutions, from solar panels and batteries to energy-efficient HVAC, heat pumps, roofing, windows, and more. Over 1 million homeowners have benefited from our simple, fast, and frictionless technology that makes the adoption of these products more affordable, accessible, and easier to understand. Thousands of professionals deploying home efficiency and solar solutions rely on GoodLeap’s proprietary, AI-powered applications and developer tools to drive more transparent customer communication, deeper business intelligence, and streamlined payment and operations. Our platform has led to more than $30 billion in financing for sustainable solutions since 2018. GoodLeap is also proud to support our award-winning nonprofit, GivePower, which is building and deploying life-saving water and clean electricity systems, changing the lives of more than 1.6 million people across Africa, Asia, and South America.

Requirements

• 8+ years of experience in backend development, with at least 2+ years working with AI/ML solutions or LLMs
• Experience developing and deploying MCP Servers and working with the Model Context Protocol ecosystem
• Hands-on experience designing and implementing agentic workflows using LLMs, including orchestration across APIs, tools, and data sources
• Experience working with vector databases, embeddings, and semantic search
• Familiarity with MLOps, CI/CD for AI pipelines, and AI observability tools
• Strong experience in one or more of the following languages: Node.js, Python, C#, TypeScript
• Strong experience designing and building APIs, including REST, GraphQL, gRPC, and event-driven architectures (e.g., Webhooks, Pub/Sub, Kafka)
• Strong experience with cloud architecture on at least one major provider (AWS, GCP, or Azure)

Nice To Haves

• Experience with frameworks for Agent orchestration (e.g., LangChain, Semantic Kernel, Haystack, or custom-built frameworks)
• Familiarity with Retrieval-Augmented Generation (RAG) patterns in production systems
• Knowledge of payments infrastructure, PCI compliance, and financial-grade security practices is a plus
• Track record of technical leadership, including mentoring and influencing engineering culture

Responsibilities

• Design and lead backend architecture that supports AI/ML-powered features across Web, Mobile, SMS/Voice, and API surfaces
• Own end-to-end technical strategy for embedding LLMs, embedding stores, MCP Servers, and personalized content delivery
• Architect and implement agentic workflows, enabling LLM-powered Agents to orchestrate tools, APIs, and data sources to deliver intelligent, adaptive payment experiences
• Partner with product and design to scope features, validate feasibility, and ensure execution aligns with business impact
• Build tools and services (including MCP Server integrations) to help other team members experiment and ship AI-enhanced features responsibly and efficiently
• Influence engineering standards and promote excellence in observability, performance, and security
• Mentor engineers across teams, helping them level up in areas of backend architecture, AI integration, and delivery quality
• Collaborate with cross-functional partners across QA, Mobile, Data, Product, and Marketing

Benefits

• $202,000 - $237,000 a year
• This role may be eligible for cash bonus and equity compensation

What This Job Offers

• Job Type: Full-time
• Number of Employees: 501-1,000 employees