Senior Software Engineer – Database Optimizer

Senior Software Engineer – Database Optimizer Join to apply for the Senior Software Engineer – Database Optimizer role at Cast AI 2 days ago Be among the first 25 applicants 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 Cast AI is seeking a skilled senior software engineer with deep expertise in databases. It's more about understanding database underlying technology than just knowing how to use it. Knowing the implementation details on transactions, wire protocol, WAL, indexes and many other fundamental database features enables us to build a product around it. The candidate will be able to work on a greenfield project with a high impact on the outcome. Requirements Strong knowledge in one of the following databases: PostgreSQL, MySQL Experience as a Database Administrator or in a role with significant hands‑on work with databases Strong programming skills in Go and/or C++ Strong problem‑solving skills and the ability to troubleshoot complex issues in a production environment Experience working with and developing performant and robust caching would be an advantage Strong written and verbal communication skills in English Ability to work independently and collaboratively within a team Startup mindset: adaptable, proactive, and comfortable with ambiguity A proactive, problem‑solving mindset with a \"yes we can\" attitude. Tools we use daily Mostly Golang with C++ in the most critical data pathways Extending Envoy with custom network filters ClickHouse and PostgreSQL for business metrics gRPC and REST APIs GitLab CI with ArgoCD as our GitOps CD engine Prometheus, Grafana, Loki, and Tempo for observability Deployment charts are written in Helm. 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. Equity options. Private health insurance. 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. Seniority level Mid‑Senior level Employment type Full‑time Job function Information Technology Industries Software Development Referrals increase your chances of interviewing at Cast AI by 2x #J-18808-Ljbffr