Senior Software Engineer, Platform

Cozey

14h

About The Position

At Cozey Engineering, we’re not just building software, we're building the backbone of a modern, efficient, and customer-obsessed e-commerce operation. From order to delivery, every step is powered by in-house systems that drive speed, accuracy, and seamless customer experiences. Our team owns everything from operational infrastructure and warehouse management systems to backend services that power our website and logistics.

As a Senior Software Engineer, Platform, reporting to a Staff Engineer, your mission is to build and scale the foundational systems that power all of Cozey’s COS (Cozey Operating System) engineering organization. You will design and maintain the core infrastructure, developer tools, and shared services that enable fast, reliable, and secure product development.

You’ll play a key role in improving engineering velocity, system reliability, and operational excellence, ensuring that developers can build, ship, and scale with confidence.

Requirements

• 4+ years of experience with AWS
• Solid understanding of CI/CD, DevOps practices, and infrastructure as code (Terraform/Pulumi)
• Experience with observability tools (logging, metrics, tracing) and production monitoring
• Passion for improving developer experience and enabling teams to move faster
• Experience in strongly typed, object-oriented or TypeScript-like languages

Responsibilities

• Design, build, and maintain core platform services and infrastructure that power the COS engineering organization
• Develop internal tools, frameworks, and abstractions to improve developer experience and productivity
• Create and evolve our cloud infrastructure (AWS), ensuring scalability, reliability, and cost-efficiency
• Build and maintain CI/CD pipelines, deployment systems, and observability tooling
• Establish best practices for reliability, security, and performance
• Lead initiatives around system resilience, incident response, and uptime improvements
• Drive infrastructure-as-code adoption and standardization (e.g., Pulumi, Terraform or similar tools)

Benefits

• You will receive a competitive salary along with a comprehensive benefit package.
• Endless opportunities for personal and professional growth in a fast-growing start-up.
• A generous PTO policy that allows you the time you need to recharge.
• A role where your strategies and decisions directly influence the company’s operations and growth.
• A workspace where everyone is welcomed, heard, and valued.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed
• Number of Employees: 1-10 employees