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Senior Staff Engineer, Online Datastores

webflow.com Logo

Webflow

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Location:
United States; Canada , Remote

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

176500.00 - 288500.00 USD / Year
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Job Description:

We’re looking for a Senior Staff Engineer, Online Datastores to help us build and operate the next generation of reliable, high-performance datastores at Webflow - starting with Apache Druid and expanding to systems like MongoDB and Postgres - by setting standards for availability, scalability, and real-time analytics at global scale.

Job Responsibility:

  • Ensure high reliability, uptime, and query performance for Apache Druid clusters on EC2
  • Lead monitoring, alerting, troubleshooting, and incident response using observability tools such as DataDog and CloudWatch
  • Manage data lifecycle: tiering strategies (hot, warm, default), retention policies, deep storage (S3), local SSD caches, and Aurora MySQL metadata store
  • Operate and tune Zookeeper clusters while ensuring overall cluster stability, coordination, and service discovery
  • Optimize performance and cost efficiency by right-sizing clusters, scaling instances, and balancing ingestion throughput with query workloads
  • Define and drive standards for online datastore operations, including multi-region deployments, failover strategies, SLA/SLOs, and best practices for real-time analytics workloads
  • Provide technical leadership and mentorship, collaborating with data and product teams to define governance, reliability practices, and long-term strategy across datastores (starting with Druid, and over time MongoDB and Postgres)

Requirements:

  • Hands-on experience setting up and managing Apache Druid clusters (Broker, Router, Coordinator/Overlord, Historical, Middle Manager) including upgrades, troubleshooting and tuning
  • Deep knowledge of Druid operations: indexing, segment management, data partitioning, tiered storage, and query optimization and cluster right-sizing for performance/cost tradeoffs
  • Proficiency in Java (JDK 8+) and Linux/Unix systems, and scripting/automation (Bash, Python) for deployments, maintenance and performance tuning
  • Solid understanding of distributed systems concepts such as replication, failover, consensus protocols (Zookeeper), and multi-region deployment strategies
  • Familiarity with the broader data ecosystem: streaming ingestion (Kafka/MSK, Flink CDC), cloud storage (S3) and related data infrastructure
  • Experience establishing and operating to SLAs/SLOs, and defining standards and best practices for real-time analytics workloads
  • Experience with observability and incident management: metrics collection, dashboards, and alerting (Datadog, Prometheus, Grafana, Cloudwatch or equivalent)
  • Knowledge of security and governance practices including authentication, role-based access, encryption, and audit logging
  • Demonstrated technical leadership: mentoring engineers, driving architecture discussions, and collaborating with data, infra, and product teams
  • Business-level fluency to read, write and speak in English
What we offer:
  • Ownership in what you help build. Every permanent Webflower receives equity (RSUs) in our growing, privately held company
  • Health coverage that actually covers you. Comprehensive medical, dental, and vision plans for full-time employees and their dependents, with Webflow covering most premiums
  • Support for every stage of family life. 12 weeks of paid parental leave for all parents and 6+ weeks of additional paid leave for birthing parents. Plus inclusive care for family planning, menopause, and midlife transitions
  • Time off that’s actually off. Flexible vacation, paid holidays, and a sabbatical program to help you recharge and come back inspired
  • Wellness for the whole you. Access to mental health resources, therapy and coaching
  • Invest in your future. A 401(k) with 100% employer match (up to $6,000/year) in the U.S., and support for retirement savings globally
  • Monthly stipends that flex with your life. Localized support for work and wellness expenses — from Wi-Fi to workouts
  • Bonus for building together. All full-time, permanent, non-commission employees are eligible for our annual WIN bonus program

Additional Information:

Job Posted:
February 18, 2026

Employment Type:
Fulltime
Work Type:
Remote work
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