Senior Frontend Engineer

Why Cast AI?

Cast AI is the leading Application Performance Automation (APA) platform, enabling customers to cut cloud costs, improve performance, and boost productivity – automatically.

Built originally for Kubernetes, Cast AI goes beyond cost and observability by delivering real-time, autonomous optimization across any cloud environment. The platform continuously analyzes workloads, rightsizes resources, and rebalances clusters without manual intervention, ensuring applications run faster, more reliably, and more efficiently.

Headquartered in Miami, Florida, Cast AI has employees in more than 32 countries worldwide and supports some of the world's most innovative teams running their applications on all major cloud, hybrid, and on-premises environments. Over 2,100 companies already rely on Cast – from BMW and Akamai to Hugging Face and NielsenIQ.

What's next? Backed by our $108M Series C, we're doubling down on making APA the new standard for DevOps and MLOps, and everything in between.

About the role

At Cast AI, we work in a flat structure that encourages open communication and collaboration across all levels. Given our cross-team structure, you will be working with top-tier professionals and have the opportunity to shape different parts of our product.

We are looking for a person with common sense who would be willing to expand their knowledge beyond frontend development and would be happy to learn more about Kubernetes and DevOps.

Requirements:

• Experience with any JavaScript framework such as React, Angular, or Vue
• At least 5 years of production-grade application experience
• Strong understanding of front-end development and eagerness to expand knowledge into Kubernetes and DevOps areas
• Proficiency in TypeScript and familiarity with a design system.

Here are some of the tools we use daily:

• is our go-to library for developing interfaces
• TypeScript ensures that the application is type-safe
• Our custom design system, built on Material UI, ensures visual consistency
• We use Figma as our main tool for creating designs
• Our product revolves around Kubernetes
• Our platform currently supports AWS, GCP, and Azure as cloud providers
• We use REST for public APIs
• Our continuous deployment is powered by GitLab CI with ArgoCD, embracing GitOps practices
• For observability and application stability tracking, we rely on Sentry and Grafana.

Responsibilities:

• Manage a fast-growing codebase, ensuring it's flexible, testable, and performant
• Learn best practices for Kubernetes and other DevOps practices
• Collaborate closely with the design, engineering, product, and sales teams to bring designs to life
• Contribute to the design process and actively participate in developing and maintaining our design system
• Provide and seek feedback from fellow engineers and cross-functional team members to foster continuous improvement.

What's in it for you?

• Competitive salary (€6,500 – €9,000 gross, depending on the level of experience)
• Enjoy a flexible, remote-first global environment.
• Collaborate with a global team of cloud experts and innovators, passionate about pushing the boundaries of Kubernetes technology.
• Enjoy a flexible, remote-first global environment.
• Equity options.
• Get quick feedback with a fast-paced workflow. Most feature projects are completed in 1 to 4 weeks.
• Spend 10% of your work time on personal projects or self-improvement.
• Learning budget for professional and personal development – including access to international conferences and courses that elevate your skills.
• Annual hackathon to spark new ideas and strengthen team bonds.
• Team-building budget and company events to connect with your colleagues.
• Equipment budget to ensure you have everything you need.
• Extra days off to help maintain a healthy work-life balance.