Linkup
Senior Full Stack Engineer
NYC (NY), San Francisco (CA) or Paris (FR) · Senior · Full-time · Posted Nov 3, 2025
- Experience
- 3 years minimum in both frontend and backend development.
About the job
Build and operate the APIs, interfaces, data pipelines, and distributed systems that power Linkup’s AI-ready web search products.
What you'll do
- Develop and maintain APIs, frontends, data pipelines, and user-facing products for indexing, retrieval, and monitoring.
- Design high-performance interfaces and optimize system performance, scalability, reliability, and resource use.
- Contribute to architecture and system design, collaborate with ML and product teams, and participate in code reviews.
What they ask for
- At least 3 years of experience in both frontend and backend development.
- Understanding of distributed systems, APIs, and modern frontend frameworks such as React or similar.
- Focus on performance, reliability, and code quality across client-side and server-side development.
Nice to have
- Curiosity about AI infrastructure and retrieval systems.
Tools
TypeScript, Node.js, React, Python, PostgreSQL, Redis, NATS, gRPC
AI focus
Build AI-ready web search infrastructure, including indexing, retrieval, data pipelines, and interfaces; collaborate on data-driven features and retrieval systems.
Model-written summary · the original posting is authoritative