Join Cast AI as a Senior Software Engineer working on teams such as Workload Optimization, Karpenter, Reporting, Pricing, Autoscaler, Identity, or Billy. Role involves writing production Go services, designing distributed systems that manage cloud resources and Kubernetes at scale, debugging cross-cloud production issues, and owning features end-to-end. Candidates must reside in one of the listed European countries; the company does not provide visa sponsorship.

Cast AI is hiring a Technical Account Manager to act as the technical lead and trusted advisor for assigned accounts, driving cluster onboarding, renewals and account expansion, and monthly/quarterly FinOps reviews. Requires a minimum of ~2 years relevant experience, hands-on Kubernetes experience (CKA/CKAD advantageous), cloud experience (AWS/Azure/GCP), strong communication and problem-solving skills. The role is remote-first, includes in-person business reviews, and the company does not provide visa sponsorship.

As a Sales Engineer (based in Bangalore) you will support the Go To Market organization by delivering technical expertise: conducting product demonstrations, customizing solutions, evaluating client technical needs, and collaborating with technical teams. Role requires proven sales engineer experience in cloud/AI/Kubernetes, strong presentation/communication/negotiation skills, scripting fluency (Python, Bash, PowerShell), and willingness to travel. Position is remote-first with equity and benefits offered.

Work on inference and serving infrastructure to improve throughput, latency, and KV cache utilization across GPUs and distributed topologies. Responsibilities include kernel-level tuning, quantization without quality regression, profiling and benchmarking, batching and speculative decoding, memory and cold-start optimizations, and setting technical direction. Technology stack includes Python, vLLM, SGLang, TensorRT-LLM, PyTorch, CUDA, Kubernetes and observability/tooling such as Prometheus, Grafana, ClickHouse and GitLab CI.