Senior AI Engineer

Want to help us, help others? We’re hiring! GoFundMe is the world’s most powerful community for good, dedicated to helping people help each other. By uniting individuals and nonprofits in one place, GoFundMe makes it easy and safe for people to ask for help and support causes-for themselves and each other. Together, our community has raised more than $40 billion since 2010. Join us! We are seeking a Senior AI Engineer to help us build end-to-end AI-powered fundraising solutions that connect millions of donors with causes they care about. You’ll design and integrate cutting-edge AI models into production web applications, creating intuitive interfaces that make fundraising more effective and accessible while supporting everything from medical emergencies to community initiatives. This is a hybrid opportunity. Candidates considered for this role will be located in Buenos Aires, Argentina. The Job… Design scalable system architectures for end-to-end AI-powered and AI-first features with microservices and event-driven patterns. Integrate AI/ML models into production applications for content optimization, donor matching, fraud detection, etc. using Python/Node.js backends. Build React/TypeScript frontends for fundraiser tools, donor dashboards, and Agentic AI systems with real-time streaming/WebSocket interactions. Develop AI-powered APIs and services implementing RESTful/GraphQL endpoints for AI-First systems with proper versioning and documentation. Ensure performance and security with load balancing, caching strategies, authentication, and monitoring for 100M+ user scale. Support AI feature rollouts with A/B testing frameworks, feature flags, gradual rollouts, and model serving patterns. Implement ethical AI practices including bias detection, explainable AI features, and transparent decision-making systems. Collaborate cross-functionally with product, UX/UI, Incubation, Data Science, and ML teams while establishing feedback loops and mentoring junior engineers. You… 5+ years full-stack development building and deploying user-facing web applications at scale. 3+ years AI/ML integration experience with production models, ML APIs, or AI-powered features. Strong React/TypeScript proficiency including modern patterns, hooks, state management, and large codebase experience. Backend expertise in Python or Node.js with REST APIs, data processing, and database integration. AI SDK experience with OpenAI, Anthropic, Google Cloud AI, LiteLLM, or AWS AI services for LLM integration. Large-scale distributed systems experience with Kubernetes, Docker, and serverless architectures. Enterprise RAG systems and A2A/MCP protocol implementation for agent interoperability. Database expertise with PostgreSQL, NoSQL, data modeling, and large dataset management. Event-driven architectures using Kafka, RabbitMQ, or similar message queuing systems. Preferred… LLM/Generative AI experience (2+ years) with prompt engineering, fine-tuning, RAG systems, or conversational AI. Agentic AI frameworks including Google ADK, LangGraph, AutoGen, CrewAI, Pydantic AI. Next.js ecosystem expertise including SSR, API routes, and modern deployment platforms. Python ML libraries experience with pandas, scikit-learn, transformers, LangChain, or MLflow. Cloud platform experience with AI/ML services, containerization, and serverless architectures. Fintech or social impact background with payment systems, fraud detection, or social good technology. Why you’ll love it here Make an Impact : Be part of a mission-driven organization making a positive difference in millions of lives every year. Innovative Environment : Work with a diverse, passionate, and talented team in a fast-paced, forward-thinking atmosphere. Collaborative Team : Join a fun and collaborative team that works hard and celebrates success together. Competitive Benefits : Enjoy competitive pay and comprehensive healthcare benefits. Holistic Support : Enjoy financial assistance for ... (truncated, view full listing at source)