Senior Software Engineer

Catena Labs is building the first AI-native financial institution to provide the new financial infrastructure and services AI systems need to conduct commerce. We’re giving AI agents the tools to identify themselves and use money safely and efficiently. At the same time, we’re providing businesses with a trusted, licensed financial partner with the capability to manage risk and compliance. By building a financial institution with AI and stablecoin infrastructure, we are breaking down the legacy financial system barriers that prevent an AI-driven economy. Backed by leading venture investors, we’re assembling a team of engineers, designers, data scientists, and finance professionals working together to build a stronger, more resilient global economy that creates broad prosperity. We’re looking for people with the talent, curiosity, and passion to invent an entirely new category of financial services. THE ROLE As a Senior Software Engineer at Catena, you will be a core contributor to the team inventing new ways for humans and AI agents to interact with financial systems. You will play a critical role in developing and iterating on our core platform, including the Agent Commerce Kit (ACK), building the applications, APIs, and SDKs that facilitate secure, reliable global commerce for a new, agent-driven economy. This is an opportunity to solve novel technical challenges at the intersection of AI and finance. You will work in a highly collaborative environment, shipping code that directly impacts our product and helps define the future of how autonomous agents transact. WHAT YOU'LL DO - Build Agent Interaction Layers: Develop robust applications, APIs, and SDKs that enable secure communication, collaboration, and transactions between AI agents and users. - Develop Core Product Experiences: Build elegant and efficient systems to handle cryptographic identity management, payment workflows, and transaction processing within the ACK framework. - Engineer Agent-Native Financial Systems: Design and implement end-to-end user experiences tailored for AI agents, ensuring secure and reliable financial interactions. - Create Identity and Reputation Tools: Engineer systems that empower agents to establish digital identities, discover peers, and manage their reputations effectively. - Contribute to Scalable Infrastructure: Build performant backend services and scalable APIs that ensure rapid and secure coordination among decentralized AI agents. WHO YOU ARE - You have 6+ years of full stack engineering experience, with a strong foundation in backend architecture as well as experience delivering user-facing products. - You have a track record of shipping complex production-quality products from initial concept to production. - You are committed to building performant, reliable, and secure systems with polished and intuitive user experiences. - You are comfortable working in ambiguous environments, capable of independently designing and implementing technical solutions from the ground up. - You have a genuine curiosity for emerging technologies like AI agents, stablecoins, and programmable identity, with desire and self-initiative to learn and apply them. - You effectively leverage AI tools in your workflow to multiply productivity and streamline development processes. NICE TO HAVES - Hands-on experience building AI-driven solutions or integrating with modern AI toolkits. - Experience in fintech, payments, or blockchain development. - Proficiency with our tech stack (e.g., Python, TypeScript, Go, React). - Contributions to relevant open-source projects. JOIN US If you're passionate about pushing the boundaries of what AI agents can do in financial services and want to be part of building the trusted financial infrastructure for the agentic economy, we want to hear from you. You'll have the opportunity to work on challenging problems that have never been solved before, with a team that's defining an entirely new category of financial services. This