(Senior) Platform Engineer – Real-Time Infrastructure – Banking

Stack

Responsibilities

• ▹Own infrastructure end to end across cloud and physical environments, including AWS, Linux hosts, networking, containers and runtime operations
• ▹Design and improve infrastructure for performance-sensitive services, supported by repeatable production-like benchmarks covering throughput, burst behaviour and p50, p95, p99 and p99.9 latency
• ▹Design, operate and troubleshoot critical network paths across VPCs, routing, security groups, load balancers, DNS, private connectivity and service-to-service communication
• ▹Build and improve infrastructure as code, host lifecycle management and deployment workflows across development, staging and production
• ▹Improve reliability, failover, recovery and operational safety across Linux-based runtimes, containers, serverless workloads, event-driven flows and scheduled processing
• ▹Harden platform capabilities around IAM, KMS, secrets, service connectivity and secure operational access
• ▹Raise the standard of observability through 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

Requirements

• ▹University degree in Computer Science, Engineering or a comparable practical background
• ▹Strong experience owning production infrastructure for distributed or real-time systems
• ▹Strong hands-on experience with AWS, especially EC2, VPC networking, IAM, KMS, S3, SQS, SNS and related operational tooling
• ▹Strong hands-on networking experience, including routing, DNS, load balancers, network security, service connectivity and debugging complex production traffic paths
• ▹Strong experience with Terraform and infrastructure lifecycle management
• ▹Deep knowledge of Linux systems, containers, runtime debugging and host-level performance tuning
• ▹Experience operating performance-sensitive workloads where predictability and tail latency matter, not only average throughput
• ▹Experience with infrastructure patterns for stateful services, active/standby failover, recovery, deployment safety and controlled cutovers
• ▹Strong analytical thinking, pragmatic decision-making and clear communication across engineering and operational stakeholders

Nice to have

• ▹Experience with dedicated host strategies, low-latency networking, CPU pinning and host-level isolation techniques
• ▹Experience supporting Rust-based service environments
• ▹Experience in regulated, security-sensitive or high-reliability environments

Soft skills

What we offer

• ▹Be part of one of the fastest-growing and most visible fintech startups in Europe, creating innovative services
• ▹International, diverse, inclusive and ever-growing team
• ▹Latest hardware and tools
• ▹In-house knowledge sharing sessions and an individual education budget
• ▹Flexible vacation policy and the opportunity to work from abroad
• ▹Attractive compensation package and company pension scheme
• ▹Complimentary subscription to Scalable Capital's PRIME+ Broker, without order commissions
• ▹Flexible and discounted sports activities with Urban Sports Club

About the company

Scalable Capital is a leading digital investment and banking platform with a full banking licence. Founded in 2014, it employs over 700 people across Munich, Berlin, Vienna, Milan and London, and over one million clients have entrusted it with more than €30 billion.