Senior Database Reliability Engineer

<div class="content-intro"><p><strong>Innovate with purpose</strong></p> <p>At BILL, we believe in empowering the businesses that drive our economy. By replacing outdated financial processes with innovative tools, we help businesses—from startups to established brands—make smarter decisions and gain control of their operations. And we don’t stop there: we’re creating the future of financial automation so businesses can spend more time on what matters.</p> <p>Working here means you become part of a vision-driven team that’s ready to tackle challenges and build cutting-edge solutions. We value purpose, drive, and curiosity—and we thrive in a fast-paced, ever-changing environment. Whether in one of our offices in San Jose, CA, Draper, UT, or working remotely, BILLders collaborate to deliver real impact for businesses that need more time in their busy weeks.</p> <p>BILL builds high performing teams and we seek to hire the best talent for every role. We're committed to building a workplace that fosters inclusion and diverse perspectives, valuing each person’s unique skills and experiences. We’d love to hear from you—you might be just what we’re looking for, whether in this role or another.</p> <p>✨ Let’s give businesses more time for what matters.</p></div><p><strong>Make Your Impact on the Core Infrastructure Team</strong></p> <p>We are seeking a highly skilled <strong>Senior Database Reliability Engineer</strong> to join our Core Infrastructure Team. This team is central to managing all of BILL's infrastructure and databases. We champion Infrastructure as Code using <strong>Terraform and AWS ECS</strong> and ensure robust, real-time alerting via Slack and PagerDuty, leveraging a suite of monitoring tools including <strong>Foglight, DataDog</strong> (for Logging, Metrics, and APM), <strong>Splunk, and CloudWatch</strong> (integrated via Datadog).</p> <p>In this crucial role, you will be responsible for architecting, building, scaling, and supporting high-throughput data platforms that underpin mission-critical business applications. Success requires deep expertise across enterprise databases, real-time streaming, and distributed systems.</p> <p>As a key contributor, you will collaborate with engineering, product, and infrastructure teams to design and build resilient, fault-tolerant, real-time data pipelines. A critical focus of this role is ensuring exceptional data consistency and high performance at the database level, primarily by utilizing technologies like Kafka and Flink.</p> <p> </p> <p><strong>We'd love to chat if you have:</strong></p> <ul> <li>5+ years of hands-on experience with enterprise RDBMS (PostgreSQL/Aurora/MySQL/Oracle), focusing on optimization, security, and access control.</li> <li>3+ years managing databases & CDC Streaming services on AWS.</li> <li>Experience with Apache/Confluent Kafka (brokers, partitions, offsets, Schema Registry, Connect), including running clusters at scale with exactly-once or at-least-once delivery.</li> <li>Familiarity with <strong>Flink</strong> pipelines (stateful streaming, checkpointing, windows, savepoints).</li> <li>Strong experience designing fault-tolerant data ingestion and streaming architectures.</li> <li>Strong experience with replication tools like <strong>GoldenGate / Debezium</strong>.</li> <li>Expertise in IaC with <strong>Terraform and GitLab</strong>, applying an SDLC approach to infrastructure.</li> <li>Strong SQL skills and experience in query optimization.</li> <li>Strong knowledge of performance tuning, execution plans, indexing, partitioning, and concurren ... (truncated, view full listing at source)