> Markdown version of [/jobs/ext/4551027-backend-engineer](https://www.wearedevelopers.com/jobs/ext/4551027-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). --- # Backend Engineer - **Company:** SPEAK LLC - **Location:** San Francisco, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Computer Programming, Software Debugging, Design of User Interfaces, Human-Computer Interaction, Machine Learning, Requirements Management, Software Engineering, Backend - **Published:** November 3, 2026 - **Apply:** https://www.careerbuilder.com/job-details/backend-engineer-san-francisco-ca--e32d0f13-c090-41e0-b2f1-ec9262220878 ## About the Role Artificial Intelligence (AI), Training/Teaching, Machine Learning, Product Design, User Interface/Experience (UI/UX), Web Interface, Systems Scalability, Requirements Management, Computer Programming, Writing Skills, We are looking for a senior backend focused but full-stack capable engineer to work on building novel AI-powered product experiences. The ideal candidate will have experience working in close coordination with product, design, and machine learning teams, as well as have a background in building polished consumer applications. This role sits at the center of developing our newest products focused on programmatic, conversationally-driven language learning and will be an instrumental contributor to the future of our company., * 5+ years of industry experience working as a Backend Engineer, preferably in a fast-paced startup environment + bonus: worked on an app that has been used by 1M users * Excellent problem-solving and communication skills, and the ability to work independently or as part of a team * Coach and mentor other engineers * Strong product sense: ability to think broadly/cross-functionally about product experiences ## Description * Building novel AI-driven product experiences and user interfaces on the web * Full-stack engineering, but focused on creating scalable backend systems. * Debugging complex streaming issues. * Owning the entire development cycle of features, from conception to production * You'll be able to write code very quickly, ship frequently, and make a huge impact on our business by helping us scale our content