Senior Software Engineer – Platform Engineering

🔥 14 minutes ago

🇧🇬 Bulgaria – Remote

💵 €6.5k - €9k / month

⏰ Full Time

🟠 Senior

🏗️ Platform Engineer

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Cast AI

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2019

☁️ SaaS

🤖 Artificial Intelligence

🤝 B2B

SaaS • Artificial Intelligence • B2B

Cast AI is a SaaS platform that automates Kubernetes application performance, infrastructure, and cost optimization for cloud-native teams. It connects to EKS/AKS/GKE and on-prem clusters with no code changes, uses predictive models and runtime signals to rightsize pods, scale nodes, optimize GPUs and Spot instances, and run approved self-healing runbooks to maintain reliability and reduce cloud spend. Cast AI targets platform, SRE, and FinOps teams and supports AI/LLM workloads, GPU optimization, and real-time workload placement and cost intelligence.

📋 Description

• Design, build, and operate CI/CD pipelines used by every engineering team • Build and maintain observability and monitoring tooling for production debugging • Build local development environment tooling that reproduces production-like conditions on engineers’ laptops • Identify and eliminate infrastructure friction for engineering teams at its root • Debug complex issues spanning CI/CD, observability tooling, Kubernetes, and cloud infrastructure • Contribute to the platform roadmap and backlog • Participate in the hiring process, including technical interviews and live coding

🎯 Requirements

• Strong software engineering fundamentals, including clean abstractions, maintainable code, and justified architecture choices • Production experience with Go strongly preferred; candidates without Go should demonstrate strong systems programming skills in a comparable language • Platform engineering experience building and operating CI/CD and GitOps systems, infrastructure as code, container orchestration, observability and monitoring tooling, and cloud platforms • Experience with GitLab CI, Argo CD, Kargo, Terraform, Kubernetes, Helm, VictoriaMetrics, Grafana, Loki, Tempo, AWS, GCP, or Azure • Experience with AI coding agents and agentic development workflows • Personally driven a complex project end-to-end • Strong debugging, optimization, and performance-tuning skills • Strong English skills, verbal and written • Adaptable, proactive, and comfortable with ambiguity • Participate in on-call rotation for teams that require it • Nice to have: Kubernetes operators, Helm chart authoring, admission webhooks • Nice to have: Internal developer platform design, golden paths, self-service tooling, service catalogs • Nice to have: Local development environment tooling such as devcontainers, Tilt, or Skaffold • Nice to have: Kubernetes or cloud-native OSS contributions • Must reside in Bulgaria, Croatia, Estonia, Greece, Hungary, Latvia, Lithuania, Poland, Romania, Slovakia, Slovenia, or Ukraine • No visa sponsorship or work permit provided

🏖️ Benefits

• Separate compensation for on-call participation (passive coverage and active interventions) • Flexible, remote-first global environment • Equity options • 10% of work time for personal projects or self-improvement • Learning budget for professional and personal development, including international conferences and courses • Annual hackathon • Team-building budget and company events • Equipment budget • Extra days off • Company-covered travel costs for Vilnius onboarding

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