Site Reliability Engineer

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September 26

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ONE

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Fintech

ONE is a financial technology company that focuses on providing innovative banking services through a mobile application. Although not a traditional bank, ONE offers various banking services in partnership with Coastal Community Bank. The company's offerings include cash back rewards, credit building tools, early direct deposit options, and high-yield savings accounts. ONE also features a digital wallet for shopping benefits, especially at Walmart. With an emphasis on user-friendly online banking, ONE aims to help customers take control of their credit, manage their finances, and earn rewards without the typical fees associated with traditional banks.

201 - 500 employees

💳 Fintech

📋 Description

• Ensure stability, scalability, and security of systems powering OnePay's financial products for millions of customers • Design, build, and maintain scalable infrastructure and tooling to improve reliability, performance, and availability across the platform • Contribute to the evolution of observability stack, platform libraries, cloud architecture, and CI/CD pipelines • Develop automation and monitoring systems to detect, prevent, and remediate incidents before they impact customers • Partner closely with product and platform engineering teams to embed reliability best practices in design, development, and deployment • Lead root cause analysis and postmortems, driving long-term improvements in resiliency and fault tolerance

🎯 Requirements

• 5+ years of experience as a Software Engineer focused on building and running reliable, large-scale, distributed systems in production • 5+ years of operational experience in observability tooling and libraries (metrics, logging, tracing); experience using Datadog or similar tools (Prometheus, Grafana) • Proficiency in at least one programming language (Python, Go, Java, or Node.js preferred) for automation and tooling • Proficiency in incident management, going on-call, and writing post-mortem reports • Excellent collaboration skills with the ability to influence and educate product engineering teams on reliability and observability best practices • Hands-on experience with cloud platforms (AWS preferred), container orchestration (Kubernetes), and IAC tools (Terraform, Pulumi) • Drive and proactivity; builder and executor mindset • Familiarity with functional programming concepts and fp-ts/TypeScript is a plus • Authorization to work in the United States (application asks about work authorization and sponsorship)

🏖️ Benefits

• Competitive base salary • Stock options • Health benefits from Day 1 • 401(k) plan with company match • Remote-friendly (US) • Flexible time off (FTO) • Opportunities for growth • Inclusive, mission-driven culture