cover image
Grain

Grain

www.grain.inc

1 Job

4 Employees

About the Company

Grain is building the infrastructure that makes crypto payments usable in everyday commerce.

We enable merchants to accept digital assets directly at checkout while receiving fiat settlement, creating a unified experience for both sides of the transaction. Customers pay in crypto, merchants receive fiat, and the entire process happens within a single seamless, trusted payment flow.

Our mission is clear. Make payments simple. Make them universal. Make them work for everyone, everywhere.

Listed Jobs

Company background Company brand
Company Name
Grain
Job Title
Site Reliability Engineer
Job Description
Job title: Site Reliability Engineer Role Summary: Lead the design, implementation, and operation of a high‑availability, SOC 2‑compliant infrastructure for a payments platform built on AWS and Kubernetes. Own observability, security posture, CI/CD, IaC, and cost optimization while maintaining development velocity. Expactations: 4+ years of production DevOps/infrastructure experience; expertise in AWS CDK (or Terraform/Pulumi), Kubernetes (EKS preferred); hands‑on CI/CD pipeline development; comprehensive observability implementation; strong security and compliance background in finance or payments. Additional value for SOC 2, PCI‑DSS, zero‑trust, fintech, or crypto exposure. Key Responsibilities: • Design and deploy robust logging, metrics, tracing, and alerting systems. • Establish SOC 2‑compliant access controls, secrets management, and audit logging; build zero‑trust architecture. • Create and maintain CI/CD pipelines with automated tests, staged rollouts, and rollbacks. • Manage AWS infrastructure with CDK, ensuring reproducibility and auditability. • Optimize cost and performance without compromising reliability. • Collaborate with engineering to improve deployment, debugging, and operational workflows. • Ensure high availability, rapid incident response, and minimal downtime. Required Skills: • AWS (CDK, EKS, ECS, Lambda, EC2) • Kubernetes cluster management (production) • CI/CD tooling (GitHub Actions, Jenkins, etc.) • End‑to‑end observability (log aggregation, metrics, tracing) • Security best practices, particularly in financial/payment contexts • Live‑site incident management and PagerDuty-style alerts • IaC fundamentals with CDK or equivalent Terraform/Pulumi • Strong scripting (Python, Bash, Go) and automation mindset Required Education & Certifications: • Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience. • SOC 2 or similar compliance certifications are a plus.
Carlsbad, United states
Hybrid
Junior
18-02-2026