Senior Platform Infrastructure Engineer – Scale Core Backend

TrulyHired; Redwood City (CA); On-site; USD 240,000 - 280,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k)

Holidays

Wellness program

Vacation

Stock options

Job summary

Zm is seeking a Staff Software Engineer for Platform Infrastructure to own the architecture and roadmap of the product platform. The role requires onsite presence in Redwood Shores, CA, 3 days a week, and a deep background in building scalable backend platforms using TypeScript/Node.js and modern data/storage technologies.

You will stay hands-on, guide service extraction from monoliths, and enforce secure, compliant foundations.

Qualifications

• Bachelor's degree or higher in Computer Science or equivalent experience.
• 8+ years of industry experience as a Software Engineer building platforms or core backend systems.
• Deep expertise in Node.js/TypeScript and relational database design.
• Hands-on with Kubernetes, Kafka or equivalent messaging systems, gRPC, Redis, and OpenSearch.
• Experience designing authentication/authorization systems (SSO protocols) and RBAC/ABAC.
• Experience safely extracting services from a monolith.
• Ability to diagnose architectural performance issues.
• Strong communication and ownership in a fast-moving startup.

Responsibilities

• Own architecture and roadmap for the product platform using TS/Node.js, Kubernetes, PostgreSQL, OpenSearch, Redis, Kafka, and gRPC.
• Stay hands-on by building and reviewing features.
• Decide what stays in the monolith vs. what becomes a separate service and make the extraction low-risk.
• Incorporate security and compliance by design with shared authentication primitives.
• Monitor production load and optimize to prevent bottlenecks.
• Build tooling and rules to guide AI coding agents to fit platform patterns.
• Lead incident reviews and drive systemic fixes.

Skills

Architectural thinking

Ownership

Communication

Problem solving

Education

Bachelor's degree in Computer Science or equivalent

Tools

Node.js

TypeScript

Kubernetes

PostgreSQL

OpenSearch

Redis

Kafka

gRPC

Job description

Zm is seeking a Staff Software Engineer for Platform Infrastructure to own the architecture and roadmap of the product platform. The role requires onsite presence in Redwood Shores, CA, 3 days a week, and a deep background in building scalable backend platforms using TypeScript/Node.js and modern data/storage technologies.

You will stay hands-on, guide service extraction from monoliths, and enforce secure, compliant foundations.