About us Openlayer is solving the AI reliability problem. AI has the potential to transform industries, but too often, inconsistent results and a lack of robust testing hold back that progress. We offer something better—an environment where teams can confidently develop and deploy AI systems. Today, AI-driven teams—from startups to global enterprises—use Openlayer to deliver trustworthy AI experiences. Openlayer helps them focus on what matters: making AI dependable and impactful in the real world. About the role This role is ideal for ambitious engineers with entrepreneurial goals. Many of us are former or future founders, and this is an opportunity to scale a company from $1M to $10M ARR while working on one of the most important problems the world is facing today. If you’re a generalist who loves building and maintaining complex systems, this is the place for you. What you’ll do Maintain and expand our API. Our backend API is the backbone of our entire product. We need to maintain a scalable, low-latency, and secure API to support our platform Work on complex data problems. Our product involves a lot of data (we’re an AI testing platform!). We need to be able to store, fetch and manipulate this data effectively. Help mature our user-facing dev tools. We’ve got user-facing APIs, CLIs, and SDKs. You’ll ensure the developer experience accompanying these tools is world-class. Be flexible and nimble. You may need to work on security, new features, bug fixes and product ideation all in the same week (and in different languages). Help us grow. As an early member of the team, you’ll work with the founders to help grow our team. What you’ll bring 5+ years of professional backend or full-stack development Significant experience working with Python and one other programming language Familiarity with building scalable data engines (for querying, aggregation & analytics) A passion for crafting a world-class developer experience (Bonus) An excitement about the crazy new world of AI and a knack for product ideation Why Openlayer? High impact: be part of a team solving critical challenges in AI reliability and trust, shaping how machine learning models are tested and deployed. Growth opportunities: As part of a fast-growing company, you’ll have ample opportunities to shape your role and grow with us. Hybrid culture: Work from anywhere or in-person. Innovative team: Collaborate with some of the brightest minds in AI and technology, dedicated to making a meaningful impact in the field. Read more about the company (https://www.openlayer.com/about) and our mission (https://www.openlayer.com/manifesto). Benefits Competitive salary & equity Health, vision, and dental insurance Flexible PTO Hybrid culture Regular team off-sites and social events (virtual and in-person) See the full list of benefits here (https://www.openlayer.com/careers). Openlayer is committed to fostering and empowering an inclusive community. We do not discriminate on the basis of race, religion, color, gender expression or identity, sexual orientation, national origin, citizenship, age, marital status, veteran status, disability status, or any other characteristic protected by law.