Build end-to-end features across React (frontend) and Node.js / TypeScript (backend)
Translate complex technical workflows into clean, intuitive UIs
Collaborate closely with backend, AI engineering, product, and design
Implement robust API integrations, state management, and data flows
Develop reusable components, layouts, and UI patterns
Optimize for performance, clarity, and usability
Maintain design consistency and elevate product polish
Implement and maintain backend routes, business logic, and services
Work with PostgreSQL for data modeling and queries
Contribute to distributed system patterns, event-driven flows, and reliability
Integrate frontend experiences with AI-derived outputs (structured data, workflows, insights)
Collaborate with AI engineers to ensure clarity and usability of model outputs
Write high-quality, maintainable code
Contribute to code reviews, technical discussions, and architectural decisions
Support performance, observability, and CI/CD improvements
Expert-level TypeScript
Strong proficiency with React (hooks, component design, state management)
Backend experience using Node.js + TypeScript
Solid understanding of databases (PostgreSQL)
Experience integrating APIs and working with data-heavy UIs
Familiarity with AWS, DevOps basics, and performance optimization
Interest or experience with AI-enabled products (LLMs, embeddings, model outputs)
Bias for action - ships iteratively and improves continuously
Builder mentality - enjoys solving open-ended problems
Low ego - collaborative and pragmatic
Strong communicator - can explain trade-offs clearly
Ownership mindset - takes responsibility from spec → implementation → polish → release
SureIn is building an AI-native operating system that transforms unstructured communication and data into structured, automated workflows. We are Sequoia Arc alumni, backed by top-tier investors, and now expanding our engineering team to deliver high-quality, user-facing features on top of a fast-evolving backend and AI stack.
We are hiring a Senior Full Stack Engineer who can work across backend services and frontend interfaces to deliver end-to-end features with strong ownership. This is a hands-on IC role with significant influence on architecture, UI/UX patterns, and overall product quality.
The ideal candidate is strong in Node.js, TypeScript, React, understands modern system design, and enjoys turning complex backend capabilities (including AI outputs) into simple, intuitive user experiences.Please mention you found this job on AI Jobs. It helps us get more startups to hire on our site. Thanks and good luck!
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Senior Full-stack Engineer Q&A's