Senior Software Engineer – Kubernetes Automation

Cast AI

. Design and build distributed systems that operate Kubernetes infrastructure autonomously at scale .

Posted 11/4/2026full-timeRemote • BulgariaSenior💰 €6,500 - €9,000 per monthWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and building distributed systems on Kubernetes, with strong production experience in Go and a solid understanding of cloud provider APIs. Capable of managing complex projects end-to-end while collaborating effectively with cross-functional teams.

Highest-signal resume keywords

Go ProgrammingKubernetes InternalsCloud Resource ManagementCI/CD PracticesObservability Tooling

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Distributed Systems DesignProduction Go ServicesSystems ProgrammingCloud Provider APIsDebugging Complex IssuesTime-Series Data ManagementAgentic Development WorkflowsClean AbstractionsMaintainable CodeJustified Architecture Choices

Soft Skills

Strong Verbal CommunicationStrong Written CommunicationAdaptabilityProactivityComfort with Ambiguity

Tools & Technologies

AWSGCPAzureKubernetes Control PlaneObservability Tools

Industry Keywords

DevOps PracticesStartup MindsetOn-Call RotationProduction RolloutProduct Direction

Tech Stack

Tools & technologies

AWSAzureCloudDistributed SystemsGoogle Cloud PlatformKubernetesGo

About the role

Key responsibilities & impact

Design and build distributed systems that operate Kubernetes infrastructure autonomously at scale
Write production Go services interacting with AWS, GCP, and Azure APIs for real-time cloud resource management
Own features end-to-end from design through implementation, testing, and production rollout
Debug complex production issues across cloud providers, Kubernetes clusters, and distributed services
Collaborate with product and engineering teams on problems without textbook solutions
Work with time-series data, cloud provider APIs, and Kubernetes control plane internals
Contribute to product direction and backlog
Participate in on-call rotation for teams that require it

Requirements

What you’ll need

Strong software engineering fundamentals, including clean abstractions, maintainable code, and justified architecture choices
Production experience with Go is strongly preferred; candidates without Go should demonstrate strong systems programming skills in a comparable language
Understanding of Kubernetes internals, including autoscaling and networking
Personally driven a complex project end-to-end
Experience with AI coding agents and agentic development workflows
Production experience with observability tooling
Experience with CI/CD and DevOps practices
Strong verbal and written English skills
Startup mindset: adaptable, proactive, and comfortable with ambiguity
Must reside in one of the specified eligible European countries
No visa sponsorship or work permit provided

Benefits

Comp & perks

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