Sr Software Engineer

Yugabyte is the company behind YugabyteDB, the AI-ready, multi-modal, distributed PostgreSQL database for cloud-native apps. Trusted by industry leaders including Shopify, Paramount+, GM, Kroger, Fiserv, and NPCI, YugabyteDB has been deployed in over 100 countries and powers more than 5 million clusters worldwide.

Together, our hard-working team of experts and our industry-leading technology are uniquely positioned to meet the demands of modern workloads: geo-distributed, ultra-resilient, and built to scale without limits.

Our Yugabeings (distributed, like our database) span 12+ countries and multiple time zones, sharing expertise from diverse backgrounds and industries.

The LRT group is responsible for the language layer and relational execution engine powering YugabyteDB. We care deeply about correctness, performance, and usability of the system we are building. We are always looking for innovative solutions to these challenges, be it from other industry applications, academic research or original contributions, as our team’s work powers a broad range of components. The team's work areas include query planning and optimization, consistent online schema changes, as well as a broad set of SQL features including stored procedures, triggers, geo-partitioned tables, or GIN indexes for text search.

• Lead the design, implementation, and evolution of the distributed SQL query execution engine in YugabyteDB, ensuring correctness, efficiency, and horizontal scalability.
• Own and enhance execution-layer components including distributed scans, joins, aggregations, sorting, batching, parallel execution, RPC coordination, and runtime memory management.
• Optimize distributed execution paths by minimizing cross-node communication, reducing data movement, improving pushdown to storage layer, and enhancing execution pipelining.
• Improve runtime observability by enhancing execution metrics, tracing, profiling, and debugging capabilities to support production-grade workloads.
• Mentor engineers on distributed systems design principles, execution-engine architecture, and performance engineering best practices.
• Write high-quality C/C++ code with comprehensive unit, integration, and performance test coverage; actively participate in and drive high-quality code and design reviews.
• Collaborate cross-functionally with storage, transaction, and infrastructure teams to ensure execution-layer scalability as cluster sizes and transactional throughput grow.
• Contribute strategically to the roadmap and technical direction of YugabyteDB’s distributed SQL execution subsystem and the broader ecosystem.

• 5-8 years experience with compiled languages, e.g. C/C++.
• BS/MS/PhD in CS (or related field) or equivalent experience.
• Systems engineering fundamentals (e.g.: distributed systems, operating systems, databases) is a must.
• Experience with compiled languages, e.g. C/C++ (preferred), Java, Go, Rust.
• Knowledge of database internals, compilers, query planning/optimization is a plus.

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Due to the Proclamation, “Restriction on Entry of Certain Nonimmigrant Workers”, which went into effect on September 21, 2025, at this time we are no longer able to sponsor new H-1B visa petitions filed after September 21, 2025 for new hires. We are still able to consider candidates who require H-1B extensions, changes of employer, or other types of work authorization.

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