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SagaSagaLos Altos, CA

Senior Platform Engineer

Senior Platform Engineer owns backend services, APIs, infrastructure, CI/CD pipelines, and platform tooling to enable scalable product delivery in fintech/crypto. Requires 7+ years backend experience, Golang proficiency, Kubernetes, and cloud infrastructure expertise.

Salary not listed
Remote7+ YOEDevOps / SRE

About the role

The Work

  • Design, build, and maintain backend services and APIs that power core product features (transactions, wallet management, DeFi integrations, user accounts)
  • Own and evolve the infrastructure layer — CI/CD pipelines, container orchestration, deployment automation, and infrastructure-as-code
  • Build and operate scalable, reliable systems on cloud infrastructure (AWS, GCP, or similar)
  • Develop high-quality, performant, modern, clean and readable code within tight deadlines
  • Develop internal tooling and platform primitives that accelerate the product engineering team
  • Implement observability, monitoring, and alerting to ensure high availability and fast incident response
  • Collaborate closely with product, design, and frontend engineers to deliver end-to-end features
  • Contribute to architecture decisions, technical documentation, and engineering standards as the team grows
  • Own the development and maintenance of the project from ideation to deployment

Must Have

  • 7+ years of experience in backend engineering, with meaningful exposure to infrastructure, platform, or DevOps/SRE work
  • Strong proficiency in Golang (5+ years)
  • Experience designing and building production APIs and microservices at scale
  • Hands-on experience with Kubernetes, container orchestration, and cloud infrastructure (AWS, GCP, or similar)
  • Familiarity with infrastructure-as-code tools (Terraform, Pulumi, or equivalent)
  • Experience building and maintaining CI/CD pipelines for multi-service deployments
  • Strong understanding of distributed systems, databases, and systems-level debugging
  • Exceptional problem-solving, analytical, and communication skills

Nice to Have

  • Experience with blockchain systems or integrating blockchain-based backends into consumer-facing products
  • Understanding of cryptographic primitives (public/private keys, hash functions, Merkle trees)
  • Experience with the Cosmos SDK / CometBFT technology stack
  • Background in fintech, payments, or wallet infrastructure
  • Experience with performance optimization, load testing, and capacity planning
  • Familiarity with observability stacks (Prometheus, Grafana, Datadog, or similar)
  • Contributions to open-source projects

Skills

GoKubernetesAWSGCPTerraformCI/CDPrometheusGrafanaDatadogCosmos SdkCometbft

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