Senior Infrastructure Engineer, Caldera

• Have 4+ years of engineering experience
• Have experience writing backend services in Go or Typescript
• Have experience with cloud technologies, especially Kubernetes, Docker, Terraform, Helm
• Hands-on experience with cloud / infrastructure providers, including AWS, Vercel, and Cloudflare
• Keen eye for security, solid understanding of threat modeling and secure system architecture
• Are confident with performance optimization, identifying bottlenecks and scalability concerns
• Have familiarity with observability tools like Grafana or Datadog

Desirable

• We’re looking for an incredible senior engineer to help us build the future of blockchain scalability
• This is an ideal opportunity for an engineer who is already passionate about tackling problems in blockchain scalability, or looking to break into the blockchain engineering space
• If you’re looking to work in a fast-paced, high-impact team and help shape the direction of our product and company, this position is for you
• We’re building software that makes it easy for the most innovative blockchain applications to launch their own ultra-performant blockchains (rollups), enabling applications to own their ecosystem, scale to millions of users, and provide a superior user experience to their users
• Own significant components of Caldera's core infrastructure
• Architect and develop backend systems to ensure the smooth operation of Caldera chains
• Improve our DevOps pipeline, which allows Caldera chains to be deployed reliably and securely
• Increase the reliability of our infrastructure by continuously improving the observability stack
• Maintain and enhance the security posture of our cloud infrastructure
• AWS Security:
• Develop, deploy, and maintain security measures within AWS environments to safeguard against various security threats
• Monitor, assess, and react to security incidents and vulnerabilities within AWS
• Adopt and enforce AWS security best practices, including IAM policy management, VPC setups, and network protection
• Conduct security evaluations and audits on AWS infrastructure, providing recommendations for enhancements
• Kubernetes Security:
• Enhance and protect Kubernetes clusters to mitigate vulnerabilities and attacks
• Implement network policies, Role-Based Access Control (RBAC), and security contexts to solidify security measures in Kubernetes

As the interest in blockchain technology rises, the growth in network usage and on-chain apps can cause network congestion or even outages, lowering performance for users. Caldera (formerly Constellation Labs) makes it easy to launch performant, customizable blockchain rollups and is developing the world's rollup-as-a-service platform.