Senior Systems Software Engineer

Zoo

Senior Systems Software Engineer taking ownership of reliability and automation at Zoo. Working across the stack, focusing on backend, infrastructure, and system-level engineering.

Posted 5/7/2026full-timeRemote • California • 🇺🇸 United StatesSenior💰 $145,000 - $195,000 per yearWebsite

Tech Stack

Tools & technologies

Distributed SystemsRust

About the role

Key responsibilities & impact

Design, implement, and maintain core systems and services that support our platform’s reliability, performance, and scalability.
Build automation and tooling that reduce operational overhead, improve developer workflows, and enforce system-level consistency.
Develop integrations between our systems and external platforms (e.g., billing, CRM, authentication, analytics).
Improve observability, monitoring, and alerting across services to ensure strong operational visibility.
Architect and maintain infrastructure components (e.g., distributed services, data pipelines, deployment automation).
Contribute to security-focused systems work, such as permissions controls, access flows, and auditability.
Troubleshoot issues across services and layers, backend, infrastructure, and occasionally frontend, taking full ownership from diagnosis to resolution.
Jump into frontend code as needed to close the loop on system-level changes or fix issues that block broader system reliability.

Requirements

What you’ll need

B.S. in Computer Science or a related field, or equivalent experience.
Strong professional experience in systems, platform, or infrastructure engineering.
Proficiency in Rust with a solid understanding of systems-level programming.
Solid experience with databases (transactional & analytical) including schema design, performance tuning, migrations, and operational reliability.
Strong understanding of API design, data flows, and service integrations.
Hands-on experience with distributed systems or service-oriented architectures.
Comfort working with infrastructure-as-code and containerized deployments.
Ability to work autonomously and make high-leverage technical decisions in a fast-moving environment.
A bias toward automation and building tools that remove friction.

Benefits

Comp & perks

Competitive equity
Full benefits package

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Rustsystems-level programmingdatabase schema designperformance tuningmigrationsAPI designdata flowsservice integrationsdistributed systemsinfrastructure-as-code

Soft Skills

autonomytechnical decision-makingautomationproblem-solving

Certifications

B.S. in Computer Science