Catena
via Ashby
Senior Software Engineer
This is the employer's own posting, not a copy on a job board.
What we know
Is it still open?
Confirmed still open
Last checked 1d ago — checked against the employer's own applicant tracking system, which is the company answering directly.
We re-read the employer's own applicant tracking system and the posting was still there. That is the company answering directly.
How old is it?
Posted 118d ago
The date the source published, not the day we noticed it (2026-05-19). Last seen at its source 2h ago.
Is it remote?
Remote - United States
That is the location the employer filed this posting under. Quoted as written — we do not re-word the source's own location.
Who may apply?
United States
The description states no restriction of its own. This is the source's own tag.
Pay not stated
Similar roles pay $160.9k–210k/yr
Middle 50% of 740 listings that do state pay — Engineering · Senior · United States · USD/year. This employer has published no salary; this is what comparable listings we hold disclose, never converted between currencies or periods. How this is calculated.
Skills named in the ad
Recognised terms only, from a fixed vocabulary — this is what CV matching compares against.
Carried by 1 source
-
ashby employer's own board first seen 11d ago · last seen 2h ago
The listing
SENIOR SOFTWARE ENGINEER
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.
WHAT YOU’LL BRING
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 HAVE
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 is more than a job; it's a chance to be part of the startup team that makes the AI economy possible. Your work will directly enable millions of AI agents to participate safely in commerce, unlocking trillions in economic value and increasing prosperity around the world.