About Tofu We're Tofu - a fast-growing SF Bay Area startup revolutionizing B2B marketing with AI. Our team, from top tech companies and elite universities, builds cutting-edge AI solutions for hyper-personalized, omni-channel content at scale. Post-Series A, we're backed by world-leading investors including Index Ventures, SignalFire, and HubSpot Ventures.
See Product Demo:
The Role We're seeking exceptional backend engineers to build robust, scalable systems for our AI-driven marketing platform. As a key team member, you'll:
- Apply state-of-the-art AI models to develop agentic capabilities
- Design scalable backend systems using Python/AWS
- Optimize PostgreSQL databases & REST APIs
- Architect distributed systems for enterprise workloads
You'll work directly with customers and collaborate across teams to create seamless features.
Ideal Profile- Passion for end-to-end problem solving in fast-paced environments
- Strong product sense and attention to detail
- 3+ years experience (big tech and startup mix preferred)
- Expertise in Python, AWS, PostgreSQL, RESTful APIs, and scalable systems
- Experience with LLMs and modern AI frameworks (e.g., LangChain, LangGraph)
- Strong system design skills
Why Join?- High-impact role shaping the future of generative marketing tech
- Collaborative, talented team in a fast-growing startup
- Dog-friendly San Mateo office (3 days/week)
- Daily product releases
Ready to Build the Future of Marketing?- Apply now or reach out: honglei