Senior AI Software Engineer: End-to-End Features, Remote

Hummingbird; United States; Remote; USD 140,000 - 190,000; Full time

Job summary

Hummingbird is seeking a Senior Software Engineer for the Cortex Team. You will design and deliver customer-facing AI features that simplify complex workflows and drive adoption.

You’ll collaborate with Product, Design, and other engineers to ship from prototype to production, balancing model selection with solid engineering practices to ensure scalable, secure, and auditable results. Remote-first culture enables flexibility while maintaining high standards, with emphasis on collaboration,

Qualifications

• Shipped at least one product to real users, preferably AI-related.
• Prioritize safety, testing, and security in scalable systems.
• Curious, creative, capable of learning new tech domains.
• Strong backend foundations, data fluency, and operational maturity.

Responsibilities

• Build AI features end-to-end with a focus on measurement and performance.
• Scale systems to handle high data volumes with reliability and speed.
• Improve grounding with citations and evaluations that are auditable.
• Optimize latency and cost for fast user interactions.
• Collaborate with Product and Design from discovery through iteration.

Skills

Backend development

Data fluency

Observability

Security awareness

Collaboration

Tools

AWS

PostgreSQL

Docker

Python

React

Job description

Hummingbird is seeking a Senior Software Engineer for the Cortex Team. You will design and deliver customer-facing AI features that simplify complex workflows and drive adoption.

You’ll collaborate with Product, Design, and other engineers to ship from prototype to production, balancing model selection with solid engineering practices to ensure scalable, secure, and auditable results. Remote-first culture enables flexibility while maintaining high standards, with emphasis on collaboration,