(Senior) Platform Engineer - Real-Time Infrastructure - Banking (m/f/x)

In this role you will build and operate the infrastructure foundation for mission-critical, real-time trading systems, across cloud and on‑prem environments. You will own end-to-end infrastructure spanning AWS, Linux hosts, containers, and runtime operations to ensure low latency and high reliability. You will collaborate with software engineers to raise production readiness and implement robust monitoring and security. This opportunity offers work in a fast-growing fintech with a global, diverse team and a focus on scalable, secure platforms.

• Competitive compensation
• Company pension scheme
• Deutschland Jobticket (monthly subsidy)
• Relocation support
• Option to work from abroad
• German language classes

• Own infrastructure end-to-end across cloud and physical environments (AWS, Linux, networking, containers, runtime operations)
• Design and improve infrastructure for performance-sensitive services with production-like benchmarks (throughput, latency at p50/p95/p99/ p99.9)
• Design, operate, and troubleshoot critical network paths across VPCs, routing, security groups, load balancers, DNS, private connectivity, and service communication
• Build and improve infrastructure as code, host lifecycle management, and deployment workflows across development, staging, production
• Improve reliability, failover, recovery, and safety across Linux runtimes, containers, serverless workloads, event-driven flows, and scheduled processing
• Harden platform capabilities around IAM, KMS, secrets, service connectivity, and secure operational access
• Raise observability with dashboards, alerting, tracing, health checks, readiness checks, and incident tooling
• Partner with software engineers on reusable infrastructure patterns, production readiness, CI/CD, and incident response

• University degree in Computer Science, Engineering, or comparable practical background
• Experience with dedicated host strategies, low-latency networking, CPU pinning, host-level isolation techniques
• Experience owning production infrastructure for distributed or real-time systems
• Hands-on experience with AWS (EC2, VPC, IAM, KMS, S3, SQS, SNS) and related tooling
• Strong networking experience (routing, DNS, load balancers, security, service connectivity)
• Experience with Terraform and infrastructure lifecycle management
• Deep knowledge of Linux, containers, runtime debugging, and host-level performance tuning
• Experience operating performance-sensitive workloads with tail-latency considerations
• Experience with stateful services, failover, controlled deployments
• Strong analytical thinking, pragmatic decision-making, clear communication

• Analytical thinking
• Pragmatic decision-making
• Clear communication across engineering and operations
• AWS (EC2, VPC, IAM, KMS, S3, SQS, SNS)
• Linux systems
• Containers and runtime debugging