Senior Platform Engineer: Secure, Scalable Infra

Valkai, Inc.; San Francisco, Northern (CA, KY); Hybrid; USD 180,000 - 260,000; Full time

Benefits offered by this job

Competitive compensation with equity

Medical, dental, and vision insurance

Generous PTO

Paid parental leave

Job summary

Valkai, Inc. is seeking an experienced infrastructure engineer to build and operate secure, scalable systems underpinning our agents and products. You will own deployment, observability, security, and performance across cloud and self-hosted environments while collaborating with product and AI engineers.

The role emphasizes pragmatic engineering judgment, strong systems fundamentals, and high agency to drive high-leverage infrastructure initiatives and incident-driven improvements.

Qualifications

• Strong systems fundamentals including reliability, performance, security, data consistency and failure modes.

Responsibilities

• Build and operate reliable infrastructure across sandboxes, clusters, databases, caches, vector databases, and object storage.
• Improve deployment and upgrade systems for cloud and self-hosted environments.
• Build observability, incident response, performance, and capacity systems for production services.
• Improve continuous integration, delivery, and developer workflows.
• Build integrations, indexing pipelines, and retrieval infrastructure that make enterprise knowledge useful to agents.
• Strengthen platform security through isolation, access controls, hardening, testing, and compliance work.
• Own systems from architecture and implementation through production operation and long-term improvement.

Skills

Systems fundamentals

Production ownership

Engineering judgment

High agency

Security mindset

Collaborative mindset

Tools

Next.js

TypeScript

Python

PostgreSQL

Azure

AWS

Job description

Valkai, Inc. is seeking an experienced infrastructure engineer to build and operate secure, scalable systems underpinning our agents and products. You will own deployment, observability, security, and performance across cloud and self-hosted environments while collaborating with product and AI engineers.

The role emphasizes pragmatic engineering judgment, strong systems fundamentals, and high agency to drive high-leverage infrastructure initiatives and incident-driven improvements.