Staff Software Engineer, Performance

Responsibilities:</span></strong><span data-contrast="auto"> </span><span data-ccp-props="{"134233117":true,"134233118":true,"201341983":0,"335559739":0,"335559740":240}"> </span></p> <p><span data-contrast="auto">In this role, you'll own the observability infrastructure that powers our engineering organization. You will:  </span><span data-ccp-props="{"134233117":true,"134233118":true,"201341983":0,"335559739":0,"335559740":240}"> </span></p> <ul> <li><span data-contrast="auto">Apply deep Postgres expertise to diagnose production performance problems</span><span data-contrast="auto"> by</span><span data-contrast="auto"> </span><span data-contrast="auto">interpreting query plans, analyzing usage patterns, and evaluating how cluster configuration and architectural decisions shape system behavior at scale</span><span data-contrast="auto">,</span><span data-contrast="auto"> t</span><span data-contrast="auto">hen own the path from root cause to production remediation </span><span data-ccp-props="{"134233117":true,"134233118":true,"201341983":0,"335559739":0,"335559740":240}"> </span></li> <li><span data-contrast="auto">Evaluate and implement cluster topology changes and drive the architectural transformations</span><span data-contrast="auto">, </span><span data-contrast="auto">including the migration from synchronous to asynchronous I/O patterns</span><span data-contrast="auto">, </span><span data-contrast="auto">that take the platform's throughput to the next order of magnitude </span><span data-ccp-props="{"134233117":true,"134233118":true,"201341983":0,"335559739":0,"335559740":240}"> </span></li> <li><span data-contrast="auto">Build the benchmarking and regression-detection infrastructure that gives engineering teams a database performance signal</span><span data-contrast="auto">, </span><span data-contrast="auto">before changes reach production </span><span data-ccp-props="{"134233117":true,"134233118":true,"201341983":0,"335559739":0,"335559740":240}"> </span></li> <li><span data-contrast="auto">Define and own performance contracts for the database layer: latency targets, throughput expectations, and the SLA boundaries that upstream services build against </span><span data-ccp-props="{"134233117":true,"134233118":true,"201341983":0,"335559739":0,"335559740":240}"> </span></li> <li><span data-contrast="auto">Lead query and schema reviews for high-risk changes; own incident response for performance-related degradations and drive post-incident findings into </span><span data-contrast="auto">engineering improvements </span><span data-ccp-props="{"134233117":true,"134233118":true,"201341983":0,"335559739":0,"335559740":240}"> </span></li> <li><span data-contrast="auto">Mentor and develop senior engineers on Postgres internals, query analysis, execution plan interpretation, and the performance implications of schema decisions at scale </span><span data-ccp-props="{"134233117":true,"134233118":true,"201341983":0,"335559739":0,"335559740":240}"> </span></li> <li><span data-contrast="auto">Participate in a 24/7 on-call rotation to provide continuous operational support and rapid incident response </span><span data-ccp-props="{"134233117":true,"134233118":true,"201341983":0,"335559739":0,"335559740":240}"> </span></li> </ul> <p><strong><span data-contrast="auto">Required

Qualifications:</span></strong><span data-contrast="auto"> </span><span data-ccp-props="{"134233117":true,"134233118":true,"201341983":0,"335559739":0,"335559740":240}"> </span></p> <ul> <li><span data-contrast="auto">10+ years of production engineering experience, with deep specialization in PostgreSQL performance and transactional systems at scale </span><span data-ccp-props="{"134233117":true,"134233118":true,"201341983":0,"335559739":0,"335559740":240}"> </span></li> <li><span data-contrast="auto">Deep fluency in PostgreSQL internals: MVCC, autovacuum behavior, query planner statistics, locking semantics, and the interaction between transaction patterns and long-running queries </span><span data-ccp-props="{"134233117":true,"134233118":true,"201341983":0,"335559739":0,"335559740":240}"> </span></li> <li><span data-contrast="auto">Demonstrated ability to diagnose and remediate production database performance problems in regulated or correctness-critical environments </span><span data-contrast="auto">where performance improvements cannot compromise data integrity</span><span data-contrast="auto"> </span><span data-ccp-props="{"134233117":true,"134233118":true,"201341983":0,"335559739":0,"335559740":240}"> </span></li> <li><span data-contrast="auto">Experience designing and building performance benchmarking and regression-detection systems — including CI-integrated performance gates and observability pipelines — that give engineering teams pre-production visibility into database performance across the stack</span></li> <li><span data-contrast="auto">Experience evaluating and implementing cluster topology changes: connection pooling configuration, read replica strategy, </span><span data-contrast="auto">partitioning/</span><span data-contrast="auto">sharding approaches, and PostgreSQL</span><span data-contrast="auto"> -</span><span data-contrast="auto"> </span><span data-contrast="auto">parameter tuning for high-concurrency transactional workloads </span><span data-ccp-props="{"134233117":true,"134233118":true,"201341983":0,"335559739":0,"335559740":240}"> </span></li> <li><span data-contrast="auto">A track record of leading cross-team technical initiatives — driving decisions through influence and producing documentation that holds up over time </span><span data-ccp-props="{"134233117":true,"134233118":true,"201341983":0,"335559739":0,"335559740":240}"> </span></li> <li><span data-contrast="auto">Strong written and verbal communication — you produce architectural guidance that the broader engineering organization depends on </span><span data-ccp-props="{"134233117":true,"134233118":true,"201341983":0,"335559739":0,"335559740":240}"> </span></li> <li><span data-contrast="auto">Comfortable operating with ambiguity — at this level, you will be handed problems, not plans, and are expected to identify the right approach and drive it from first principles to production</span><span data-ccp-props="{"134233117":true,"134233118":true,"201341983":0,"335559739":0,"335559740":240}"> </span></li> <li><span data-contrast="auto">Strong experience supporting 24/7 production on-call rotations, including responding to alerts and resolving incidents outside of standard business hours </span><span data-ccp-props="{"134233117":true,"134233118":true,"201341983":0,"335559739":0,"335559740":240}"> </span></li> </ul> <p><strong><span data-contrast="auto">Preferred

Qualifications:</span></strong><span data-contrast="auto"> </span><span data-ccp-props="{"134233117":true,"134233118":true,"201341983":0,"335559739":0,"335559740":240}"> </span></p> <ul> <li><span data-contrast="auto">Direct experience with Aurora PostgreSQL at scale</span><span data-contrast="auto">, </span><span data-contrast="auto">including familiarity with the operational constraints of a managed PostgreSQL deployment: connection limits, storage autoscaling behavior, I/O throughput ceilings,</span><span data-contrast="auto"> extensions,</span><span data-contrast="auto"> and the performance characteristics of Aurora's distributed storage layer </span><span data-ccp-props="{"134233117":true,"134233118":true,"201341983":0,"335559739":0,"335559740":240}"> </span></li> <li><span data-contrast="auto">Hands-on experience with connection pooling middleware</span><span data-contrast="auto">, </span><span data-contrast="auto">particularly the operational tradeoffs between pooling modes (session, transaction, statement) in high-concurrency transactional workloads; e.g. PgBouncer, PgDog, or equivalent </span><span data-ccp-props="{"134233117":true,"134233118":true,"201341983":0,"335559739":0,"335559740":240}"> </span></li> <li><span data-contrast="auto">Experience with asynchronous Python I/O patterns (asyncio, asyncpg, or equivalent) and the architectural migration from synchronous to asynchronous database interaction </span><span data-ccp-props="{"134233117":true,"134233118":true,"201341983":0,"335559739":0,"335559740":240}"> </span></li> <li><span data-contrast="auto">Familiarity with horizontal scale strategies for transactional PostgreSQL workloads</span><span data-contrast="auto">,</span><span data-contrast="auto"> </span><span data-contrast="auto">including logical and physical sharding approaches and the tradeoffs they introduce for data model complexity and query routing </span><span data-ccp-props="{"134233117":true,"134233118":true,"201341983":0,"335559739":0,"335559740":240}"> </span></li> <li><span data-contrast="auto">Familiarity with the boundary between OLTP and OLAP workloads</span><span data-contrast="auto">, </span><span data-contrast="auto">and the ability to recognize when analytical query patterns are better served by a purpose-built system than optimized on the transactional cluster </span><span data-ccp-props="{"134233117":true,"134233118":true,"201341983":0,"335559739":0,"335559740":240}"> </span></li> <li><span data-contrast="auto">Systems-level programming experience in Rust, Go, or C/C++</span><span data-contrast="auto">. </span><span data-contrast="auto"> </span><span data-contrast="auto">W</span><span data-contrast="auto">hile the primary focus of this role is database optimization, you'll be actively involved in application development, and the ability to work at lower levels of the stack when performance demands it is a meaningful advantage </span><span data-ccp-props="{"134233117":true,"134233118":true,"201341983":0,"335559739":0,"335559740":240}"> </span></li> <li><span data-contrast="auto">Background in pharmacy benefit management, claims adjudication, healthcare data systems, or other regulated, correctness-first transactional environments </span><span data-ccp-props="{"134233117":true,"134233118":true,"201341983":0,"335559739":0,"335559740":240}"> </span></li> </ul> <p><strong><em><span data-contrast="auto">Nothing in this position description restricts management’s right to assign or reassign duties and

responsibilities to this job at any time.</span></em></strong><span data-contrast="auto"> </span><span data-ccp-props="{"134233117":true,"134233118":true,"201341983":0,"335559739":0,"335559740":240}"> </span></p><div class="content-pay-transparency"><div class="pay-input"><div class="title">New York, NY Salary Range</div><div class="pay-range"><span>$200,800</span><span class="divider">—</span><span>$251,000 USD</span></div></div><div class="pay-input"><div class="title">Denver, CO Salary Range</div><div class="pay-range"><span>$184,000</span><span class="divider">—</span><span>$230,000 USD</span></div></div><div class="pay-input"><div class="title">Charlotte, NC Salary Range</div><div class="pay-range"><span>$167,200</span><span class="divider">—</span><span>$209,000 USD</span></div></div></div><div class="content-conclusion"><p class="p1"><em>All employees are responsible for adherence to the Judi Health Code of Conduct including the reporting of non-compliance. This position description is designed to be flexible, allowing management the opportunity to assign or reassign duties and

responsibilities as needed to best meet organizational goals.</em></p> <p><em><span data-contrast="none">We provide equal employment opportunities to all employees and applicants for employment and prohibit discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, medical condition, genetic information, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.</span></em><span data-ccp-props="{"134233117":false,"134233118":false,"335559738":0,"335559739":0}"> </span></p> <p><span data-ccp-props="{"134233117":false,"134233118":false,"335559738":0,"335559739":0}">By submitting an application, you agree to the retention of your personal data for consideration for a future position at Judi Health. More details about Judi Health's privacy practices can be found at<span class="Apple-converted-space"> </span><a href="https://www.judi.health/legal/privacy-policy" data-outlook-id="be5f7242-36ad-42be-9caf-fd585904c3c5">https://www.judi.health/legal/privacy-policy</a>.</span></p></div>

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