Jobs / Seedtag

Senior Agentic Platform Engineer

Seedtag · Ouderkerk aan de Amstel, NH, Netherlands
Ouderkerk aan de Amstel, NH, NetherlandsExp: 5+ yrsRemote
Remuneration
Home office setup budget up to €1,000; MacBook Pro M3
Location
Ouderkerk aan de Amstel, NH, Netherlands
Visa sponsorship
Not specified

Job summary

The Senior Agentic Platform Engineer owns core components of a production AI agent platform, building the runtime and shared infrastructure for scalable, reliable agent development. The role covers agent execution, context management, event streaming, MCP integrations, security, observability, and cloud-native deployment standards. The platform uses Python, Go, GCP, GKE, Kubernetes, and agent frameworks including PydanticAI, LangGraph, and the OpenAI Agent SDK.

Benefits

Learning platformOptional language classesHome office setup budget up to €1,000Paid trips to the Madrid headquartersMacBook Pro M3Team activities and offsites

Qualifications

  • At least 5 years of experience building and maintaining production backend systems.
  • Strong Python skills, including API development, asynchronous programming, testing, and clean architecture.
  • Production experience developing LLM applications or AI agents.
  • Understanding of event-driven architectures, microservices, Kubernetes, and cloud infrastructure.
  • Experience with LLMOps, observability, CI/CD, and production troubleshooting.
  • Knowledge of AI security, authentication, access controls, and prompt-injection protection.
  • Ability to lead technical decisions, mentor engineers, and work autonomously in a collaborative environment.

Responsibilities

  • Design, build, and maintain the agent runtime, including execution, context management, and event streaming.
  • Develop MCP tool servers, APIs, authentication services, and policy services for secure access to internal data and capabilities.
  • Improve agent capabilities through multi-model routing, memory, durable execution, and LLM frameworks.
  • Maintain platform stability and performance using monitoring, tracing, and evaluation tools.
  • Define scalable APIs, service patterns, CI/CD pipelines, and cloud-native deployment standards.
  • Implement security controls, prompt-injection protection, automated evaluations, and regression testing.
  • Lead architectural decisions, mentor engineers, and collaborate with Data, ML, Platform, and Product teams.

Skills

Argo CDBigQueryGCPGitHubGitHub ActionsGKEGoKubernetesKustomizePrometheusPub/SubPythonRedisTypeScript

Languages

PythonGoTypeScript

Travel

Paid trips to the Madrid headquarters

Industry

AdvertisingAd tech

Company size

500+ employees across 17 countries

Relocation

No