Staff Software Engineer, Performance

About Judi Health Judi Health is a health technology company providing benefit administration solutions to employers, unions, health plans, and government entities. Judi Health replaces fragmented, outdated systems with the industry's first Unified Claims Processing™ architecture, seamlessly consolidating pharmacy and medical benefit administration on a single, secure platform. By delivering true price transparency, eliminating unnecessary middleman fees, and leveraging advanced AI-powered care delivery, Judi Health helps clients achieve unprecedented operational efficiency and service levels. At Judi Health, we're deploying the infrastructure our country needs to deliver the healthcare we all deserve. We are the intelligence platform powering benefits plans for millions of Americans and proudly leading the next generation of care. To learn more, visit www.judi.health . Hybrid 3 days (offices in NYC, Denver, CO and Charlotte, NC area)   Position Summary:     Judi Health is building the technology infrastructure our nation needs to deliver the healthcare we deserve. The Architecture organization is responsible for the technical foundation the rest of the company builds o n:  the standards, patterns, and infrastructure that engineering teams  use  to move fast and build  efficiently . The Performance team sits within Architecture's Core Platform function, owning the platform's ability to understand, measure, and enforce how systems behave under load.    As a Staff Engineer in Architecture, your influence extends beyond what you ship directly. The standards you set, the patterns you establish, and the decisions you document become the reference point for how system performance is measured and managed across the organization.   Claims processing , prior authorization, and supporting data products  drive  highly complex, data-intensive workloads where decisions across the entire database stack – including schema design, database configuration, connection management, and storage architecture – directly determine the platform’s  ability to deliver reliable performance under heavy read and write load. You will be directly response for identifying where the ceiling is, prioritizing changes that move it with minimal disruption, and driving deeper re-architecture where the problem demands it.    One of your first major initiatives will be a comprehensive diagnostic of the platform's database architecture, focused on the systems powering adjudication and claims processing — the most performance-sensitive workflows on the platform. This is a deeply embedded engagement; you will work directly within these domains to understand the query patterns, connection behavior, and cluster configuration shaping how the system performs under load. From there, you will establish the benchmarking frameworks and performance baselines that give the engineering organization a reproducible way to evaluate parameter changes, query   modifications, and database upgrades before they reach production.    Position Responsibilities:     In this role, you'll own the observability infrastructure that powers our engineering organization. You will:     Apply deep Postgres expertise to diagnose production performance problems  by   interpreting query plans, analyzing usage patterns, and evaluating how cluster configuration and architectural decisions shape system behavior at scale , t hen own the path from root cause to production remediation    Evaluate and implement cluster topology changes and drive the architectural transformations ,  including the migration from synchronous to asynchronous I/O patterns ,  that take the platform's throughput to the next order of magnitude    Build the benchmarking and regression-detection infrastructure that gives engineering teams a database performance signal ,  before changes reach production    Define and own performance contracts for the database layer: latency targets, throughput expectations, and the SLA boundaries that upstream services build against    Lead query and schema reviews for high-risk changes; own incident response for performance-related degradations and drive post-incident findings into engineering improvements    Mentor and develop senior engineers on Postgres internals, query analysis, execution plan interpretation, and the performance implications of schema decisions at scale    Participate in a 24/7 on-call rotation to provide continuous operational support and rapid incident response    Required Qualifications:     10+ years of production engineering experience, with deep specialization in PostgreSQL performance and transactional systems at scale    Deep fluency in PostgreSQL internals: MVCC, autovacuum behavior, query planner statistics, locking semantics, and the interaction between transaction patterns and long-running queries    Demonstrated ability to diagnose and remediate production database performance problems in regulated or correctness-critical environments where performance improvements cannot compromise data integrity     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 Experience evaluating and implementing cluster topology changes: connection pooling configuration, read replica strategy,  partitioning/ sharding approaches, and PostgreSQL -   parameter tuning for high-concurrency transactional workloads    A track record of leading cross-team technical initiatives — driving decisions through influence and producing documentation that holds up over time    Strong written and verbal communication — you produce architectural guidance that the broader engineering organization depends on    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   Strong experience supporting 24/7 production on-call rotations, including responding to alerts and resolving incidents outside of standard business hours    Preferred Qualifications:     Direct experience with Aurora PostgreSQL at scale ,  including familiarity with the operational constraints of a managed PostgreSQL deployment: connection limits, storage autoscaling behavior, I/O throughput ceilings,  extensions,  and the performance characteristics of Aurora's distributed storage layer    Hands-on experience with connection pooling middleware ,  particularly the operational tradeoffs between pooling modes (session, transaction, statement) in high-concurrency transactional workloads; e.g. PgBouncer, PgDog, or equivalent    Experience with asynchronous Python I/O patterns (asyncio, asyncpg, or equivalent) and the architectural migration from synchronous to asynchronous database interaction    Familiarity with horizontal scale strategies for transactional PostgreSQL workloads ,   including logical and physical sharding approaches and the tradeoffs they introduce for data model complexity and query routing    Familiarity with the boundary between OLTP and OLAP workloads ,  and the ability to recognize when analytical query patterns are better served by a purpose-built system than optimized on the transactional cluster    Systems-level programming experience in Rust, Go, or C/C++ .    W 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    Background in pharmacy benefit management, claims adjudication, healthcare data systems, or other regulated, correctness-first transactional environments    Nothing in this position description restricts management’s right to assign or reassign duties and responsibilities to this job at any time.     New York, NY Salary Range $200,800 — $251,000 USD Denver, CO Salary Range $184,000 — $230,000 USD Charlotte, NC Salary Range $167,200 — $209,000 USD 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. 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.   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   https://www.judi.health/legal/privacy-policy .

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