Senior Software Engineer

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About Zello

Zello is a voice-first communication platform, powered by our industry-leading push-to-talk technology, to improve collaboration and productivity for desk-less workers. With over 175+ million users, we’re the #1 rated push-to-talk app in the world, delivering 9 billion (yes, with a B) messages a month. 

At Zello, our company values are at the heart of what we do everyday. We’re proud to serve the frontline, we’re privileged to connect people in times of crisis across the globe, and we’re honored to support first responders.

And this is where you come in.

The Platform Engineering team at Zello builds and maintains the foundational systems that power our products and improve the developer experience for our engineering organization. As a Senior Software Engineer on this team, you will design, implement, and maintain scalable infrastructure and platform tooling that accelerates development, increases reliability, and streamlines operations.

You will collaborate closely with product engineers and security to ensure our platform is secure, efficient, and easy to use. This role requires strong problem-solving skills, a high level of technical ownership, and a passion for creating tools and systems that empower others to move faster with confidence.

After a successful first year, you will

• Designed, implemented, and launched at least one major platform service or infrastructure enhancement that measurably improved developer productivity.

• Delivered developer self-service capabilities through tooling and an internal developer portal, reducing time-to-deploy for product teams.

• Improved reliability of Zello’s systems by leading application changes that enhanced detection, alerting, and automated response to failures.

What you'll do

• Design, build, and maintain platform services that support Zello’s development teams

• Develop automation, tooling, and processes to improve the developer experience

• Partner with other engineers and security to define and evolve infrastructure standards and patterns.

• Participate in on-call rotations to ensure uptime and responsiveness for critical services

• Identify issues before they become problems and take ownership from concept to delivery.

• Mentor other engineers by sharing expertise, reviewing code, and driving adoption of best practices.

Who you are

• A seasoned engineer with 5+ years experience designing, building, and operating scalable, reliable systems in production

• Have strong programming skills in Python; familiarity with Go is a plus

• Have experience working with GCP and/or AWS

• Familiarity with distributed systems deployed on Kubernetes

• You enjoy building the tools, infrastructure, and abstractions that empower other engineers to move faster

We hire for potential, passion for our mission, and a knack for solving difficult problems over checking every qualification box. We have competitive pay, equity with significant upside, and intentionally design our benefits to encourage healthy and well-balanced employees, flexible schedules and time off. We even offer a sabbatical after every five years of service so you’re able to pursue and enjoy what matters most to you. And of course, we wouldn’t be a technology company in Austin without a ping-pong table and free snacks in our break room. Join us!

Zello provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

All Zello personnel are required to comply with defined security, privacy, and compliance requirements applicable to their role along with requirements that are applicable to all Zello personnel.

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