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API Platform Engineer, Kong API & AI Gateway

SIX Group AG

Madrid, ESonsitePosted Aug 5, 2026
Posting intelligenceActively listed

Skills

prometheusgrafanaazurecicdllm

About the role

What sets us apart drives us ahead: between local roots and global relevance, we are a unique blend of tradition and future, of foundation and growth. We value bright minds and inspire them to grow with their ideas. Come and shape the future of finance with us.

API Platform Engineer, Kong API & AI Gateway

Madrid | Working from home up to 40% | Reference 8187

Join our international platform team in Madrid and help application teams expose APIs and connect to AI services securely through a critical shared Kong platform.

This is a hands-on engineering role, not a pure administration position. You will operate Kong in production, reduce toil through automation and build self-service paths for API onboarding and policy delivery.

The role suits an experienced engineer who already handles production topics independently and wants to broaden technical ownership. Direct Kong experience is welcome. Experience with another API gateway is equally relevant. What You'll Build First: Turn Kong AI Gateway into a production-ready service that gives application teams a secure, observable and self-service path to LLM and MCP connectivity. Build the guardrails for policy enforcement, traffic routing, rate limiting, auditability and reliable operations.

What You Will Do

Operate and continuously improve our business-critical Kong API Gateway across OpenSnd Microsoft Azure, including incidents, changes, upgrades, security, capacity and lifecycle management.

Design and build automation and self-service capabilities that make API onboarding, policy delivery and platform changes safer, faster and more consistent.

Develop platform services and tooling using APIs, GitOps, CI/CD pipelines and infrastructure as code.

Establish actionable observability across metrics, logs and traces using OpenTelemetry, Prometheus, Grafana and the Elastic Stack, and strengthen API security through policies, certificates, secrets and modern identity standards.

Troubleshoot complex production issues, perform root-cause analysis and turn operational learnings into durable platform improvements.

Questions about this role

Click "Apply with AI Applyd" above and you are done. Your resume is rewritten for this advert, the screening questions are answered, and it is submitted on SIX Group AG's own hiring system. No retyping your history, no fourteen tabs, no evening lost.

Compensation for Platform Engineer roles in Spain varies widely by seniority, employer size, and remote vs onsite arrangement. Check the salary range on this listing when published, or browse our Platform Engineer hub for Spain medians across recent openings.

You never touch the form - the application is filled and submitted for you on SIX Group AG's own hiring system. It is not marked sent when we press submit. It is marked sent when a confirmation from their system arrives at the address we apply with, and your dashboard shows which stage each application is at until then.

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