About the role

Truthly is a groundbreaking Catholic AI app designed to empower people with instant, reliable Catholic answers to questions about the faith and life. Launched on July 3, 2024—the feast day of St. Thomas the Apostle—Truthly provides quick, accurate, and theologically sound responses drawn from trusted Catholic sources. ‍Co-founded by Jacob Ciccarelli, Zac Johnson, Matt Fradd, and Paul Kim, Truthly was born out of a deep personal journey. Inspired by Jacob’s wife Kayla, a convert to Catholicism, and his own experiences navigating faith conversations in the corporate world, he saw the urgent need for a tool that could help Catholics articulate their beliefs with clarity and confidence. Now backed by clergy, evangelists, and influencers around the world, Truthly has surpassed 35,000 downloads and is partnering with dioceses, seminaries, and ministries to provide priests and religious free access to this powerful tool for evangelization. The Role As a Founding Software Engineer (AI-Focused) at Truthly, you’ll collaborate closely with our CTO and CEO to build a platform that doesn’t just deliver features, but forms habits, fosters prayer, and scales spiritual direction through intelligent systems. You’ll help shape the future of Catholic technology by architecting AI features that are both innovative and reverent. This is a rare opportunity to work on: AI-powered spiritual guidance Natural language interaction with Catholic tradition (Scripture, Catechism, Saints) Habit intelligence for prayer, confession, and daily examen LLM-based theological Q&A and personal formation tools What You'll Do Core Engineering Ship high-quality code across the stack (preferably with experience in Python, TypeScript, and React Native). Build, fine-tune, and deploy LLM-powered features in production environments. Develop intelligent systems to support personalized spiritual journeys. AI & Research Explore the frontier of applied AI in faith contexts (prompt design, RAG, embeddings, voice interfaces). Conduct internal research and prototyping on ways AI can aid prayer, spiritual reading, and discernment. Implement guardrails and theological constraints in AI outputs to ensure doctrinal fidelity. Collaborate with priests, theologians, and domain experts to align models with Catholic teaching. Culture & Vision Join as one of the earliest engineers and help shape our product, team, and technical culture. Participate in product ideation, user interviews, and design reviews with a voice that matters. Work in an environment where prayer, beauty, and code coexist daily.