> Markdown version of [/jobs/ext/4626933-senior-backend-engineer](https://www.wearedevelopers.com/jobs/ext/4626933-senior-backend-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Backend Engineer - **Company:** Yendo Inc. - **Location:** San Francisco, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Artificial Intelligence, Amazon Web Services, Python (Programming Language), PostgreSQL, Redis, Ruby, TypeScript, Scripting, Backend - **Published:** November 7, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-backend-engineer-san-francisco-ca--458710bc-0b37-40e1-8284-883d31bea4ff ## About the Role Credit Cards, Artificial Intelligence (AI), Traffic Shaping, Credit Reports, Product Development, Product Design, Customer Experience, Problem Solving Skills, Ruby, Python Programming/Scripting Language, * Desire to work collaboratively. Engineers participate in the product development cycle from start to finish. We operate on the principle that the best products include input from our users and our engineering, product, and design teams. * Help with raising the bar! We strive to improve our customer experience, our hiring standards, and our engineering practices. As part of a small team, you can meaningfully contribute across all of these fronts. * Resiliency. We are not a "me too" product. This requires experimentation and grit to find solutions for our customers' problems., * 5+ years of experience with backend or full stack solutions (e.g., Go (Preferred), TypeScript, Java, Python, or Ruby) * Prefer experience with Postgres, Redis, and AWS, but not required. * Enjoy thinking about systems - their life cycles, edge cases, interactions, and failure modes. * Self-starter and able to work independently. * Experience in fintech, payments, processing, card networks, banking, or early stage startup is helpful, but not required. * Passionate about financial inclusion and mobility.