Senior Site Reliability Engineer

Block
San Francisco
Workplace: RemoteFull timeFunction: DevOps, Cloud & InfrastructureExperience: 5+ yearsSkills: ["Leadership","Problem-solving","Communication","Autonomy","Accountability"]

As a Senior Site Reliability Engineer, you will proactively and reactively improve the reliability of Block's platform and critical infrastructure. You will leverage AI-driven tooling to enhance observability, lead oncall for Tier 0 services, drive platform-wide reliability improvements, and design safe deployment patterns to reduce toil and accelerate incident resolution.

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FursaFursa
Block
Block
5 months ago

Senior Site Reliability Engineer

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 12 hours agoStatus: Live

Job Summary

As a Senior Site Reliability Engineer, you will proactively and reactively improve the reliability of Block's platform and critical infrastructure. You will leverage AI-driven tooling to enhance observability, lead oncall for Tier 0 services, drive platform-wide reliability improvements, and design safe deployment patterns to reduce toil and accelerate incident resolution.
Location: San Francisco
Workplace: Remote
Employment Type: Full time
Job Function: DevOps, Cloud & Infrastructure

Key Responsibilities

  • •Build and extend platforms to improve system reliability
  • •Work on team goals that encompass reliability for the entire company
  • •Standardize reliability tools across multiple platforms and organizations
  • •Triage, coordinate, and lead stabilization of sev 0–1 incidents
  • •Serve as primary oncall, maintaining structured escalation paths and exercising leadership escalation

Pay and Benefits

Equity and Bonus:Equity
Perks:Health InsuranceRetirementEquity Plan

Key Requirements

  • •5+ years of software development experience
  • •Fluency with CI/CD pipelines, progressive rollout strategies, and rollback automation
  • •Monitoring & observability expertise — building/tuning alerts for uptime, error rates, latency regression, and resource exhaustion
  • •Experience running production oncall for high-availability systems
  • •Demonstrated technical initiative and leadership on backend/platform-focused projects
Experience:5+ yearsFintechTechnology
Skills:LeadershipProblem-solvingCommunicationAutonomyAccountability
Languages:English
Tech Stack:KotlinJavaHTTPJSONGRPCProtocol BuffersMySQLVitessDynamoDBEvent driven architecturesDataDogLaunchDarklyTerraformKubernetesIstioEnvoyAWS

Company Brief

Block
Builds financial services and commerce tools to empower businesses and individuals, operating products such as Square, Cash App, Spiral (Bitcoin initiatives), TIDAL, and developer-focused payment and banking solutions.
Industry: Fintech Infrastructure
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: San Francisco, United States
Founded: 2009
WebsiteLinkedIn