Senior Software Engineer, Control Plane

About Sentry

Software runs the world and the pace is faster than ever. Sentry helps developers fix errors and performance issues before users notice so teams can spend less time firefighting and more time building.

Trusted by 200000 organizations Sentry is todays application monitoring standard and our team is building its AI-native future.

About the role

provides a suite of services to diagnose health problems in their customers applications. These tools are mission-critical to companies who want to respond effectively in fast-paced markets. We make the development and deployment of these tools a safe and enjoyable experience by maintaining a succinct and helpful continuous integration environment and an informative deployment pipeline.

The Centralized Tenancy and Routing Layer (CTRL) team builds and operates the foundational infrastructure that defines customer boundaries and coordinates lifecycle operations across Sentrys distributed architecture. These systems power how customers are managed and how services communicate and replicate data safely across our ecosystem.

As a Senior Software Engineer on the CTRL team youll design and operate the core platform primitives that make this architecture possible. Your work will focus on distributed coordination cross-cell routing replication infrastructure and lifecycle orchestration for the customer environment. This role sits at the heart of Sentrys platform architecturebuilding the control systems that ensure the platform operates safely and correctly at global scale. The work requires strong engineering judgment and deep distributed systems thinking. Youll design systems where correctness and reliability are critical and build abstractions that many teams depend on but rarely see directly.

Ultimately youll help build the infrastructure that enables Sentrys SaaS platform to scale safely across a distributed multi-cell architecture.

In this role you will

• Build and enhance the control plane systems that manage customer identity placement and lifecycle across a multi-cell architecture.

• Improve the reliability scalability and observability of mission-critical control plane services.

• Partner with engineering teams to provide safe infrastructure primitives and standards for cell-compatible systems.

• Help operate critical infrastructure through incident response and continuous improvement.

Youll love this job if you

• Enjoy building foundational distributed systems that power an entire platform.

• Care deeply about correctness reliability and safe infrastructure primitives.

• Like designing systems that coordinate state and data across large distributed environments.

• Prefer solving architectural problems rather than product feature work.

• Want to shape how a global platform evolves as it scales.

Qualifications

• 5 years of experience as a Software Engineer or similar role.

• Strong proficiency with Python; experience with Rust is a plus.

• Experience designing and operating distributed systems at scale.

• Strong understanding of replication consistency models and service coordination.

• Experience building infrastructure services or platform APIs used by multiple teams.

• Experience working with cloud platforms (e.g. AWS Azure GCP).

• Experience operating containerized systems (e.g. Docker Kubernetes).

• Track record of operating production systems with strong ownership.

• Strong written communication skills and ability to document platform systems clearly.

The base salary range (or hourly wage range if applicable) that Sentry reasonably expects to pay for this position is $190000 to $280000. A successful candidates actual base salary (or hourly wage) amount will be determined by a variety of relevant factors including without limitation the candidates work location education work and other relevant experience skills and job-related knowledge. A successful candidate will be eligible to participate in Sentrys employee benefit plans/programs applicable to the candidates position (including incentive compensation equity grants paid time off and group health insurance coverage). See Sentry Benefits for more details about the Companys benefit plans/programs.

Equal Opportunity at Sentry

Sentry is committed to providing equal employment opportunities to its employees and candidates for employment regardless of race color ancestry religion sex national origin sexual orientation age citizenship marital status disability gender identity veteran status or other legally-protected characteristic. This commitment includes the provision of reasonable accommodations to employees and candidates for employment with physical or mental disabilities who require such accommodations in order to (a) perform the essential functions of their jobs or (b) seek employment with Sentry. We strive to build a diverse team with an inclusive culture where every teammate can thrive. Sentry is an open-source company because we believe that everyone everywhere should have the ability and tools to make great software. Software should be accessible. That starts with making our industry accessible.

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Required Experience:

Senior IC