Senior Software Engineer

About the Role

Cadence team maintains and evolves Cadence. Cadence is an open source workflow orchestration engine that helps developers focus on writing business logics and scalable code, without worrying about the complexity of distributed systems. Cadence has been widely adopted at Uber and in the open source community to tackle a broad variety of use cases. You'll work on the heart of this system, solving deep distributed systems challenges related to persistence, concurrency, and reliability. Your contributions will directly empower developers worldwide to build stateful, long-running applications that can withstand failure without data loss.

What You Will Need/Bonus Points

What You Will Do

1. Design, implement, and testnew features and core components of the Cadence workflow engine in Go.
2. Diagnose and resolvecomplex bugs and performance bottlenecks in a distributed, multi-tenant environment.
3. Optimize and scalethe engine's core components, including its persistence layer, sharding, and task dispatching logic.
4. Collaboratewith the open-source community by reviewing pull requests, participating in design discussions, and improving documentation.
5. Participate in an on-call rotation to support the reliability and operation of the services built on the engine.

Basic Qualifications

1. Strong systems programming experience in Go (Golang), or deep expertise in languages like Java/C++/Rust with a proven ability to learn Go quickly.
2. A solid understanding of and practical experience withdistributed systems concepts, including concurrency, fault tolerance, and consensus.
3. Experience building, testing, and operatinglarge-scale, high-availability services and working with persistent storage systems (e.g., Cassandra, MySQL, PostgreSQL).

Preferred Qualifications

1. Significant contributions toopen-source distributed systemsor database projects (e.g., Cadence, Temporal, gRPC, Kafka, Vitess).
2. Deep expertise inperformance analysis, benchmarking, and optimizationof low-latency, high-throughput systems.
3. Advanced knowledge ofdatabase internals, storage engines, or complex query optimization.
4. Experience withformal verification, advanced consistency models, or consensus algorithms (like Paxos or Raft).

Uber's mission is to reimagine the way the world moves for the better. Here, bold ideas create real-world impact, challenges drive growth, and speed fuelds progress. What moves us, moves the world - let's move it forward, together.

Offices continue to be central to collaboration and Uber's cultural identity. Unless formally approved to work fully remotely, Uber expects employees to spend at least half of their work time in their assigned office. For certain roles, such as those based at green-light hubs, employees are expected to be in-office for 100% of their time. Please speak with your recruiter to better understand in-office expectations for this role.

*Accommodations may be available based on religious and/or medical conditions, or as required by applicable law. To request an accommodation, please reach out to accommodations@uber.com.