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

Scalable Capital is a leading digital investment and banking platform with a full banking licence, empowering people across Europe to shape their own finances. Scalable Broker makes it easy and affordable for clients to invest professionally in stocks, ETFs, cryptocurrencies, and derivatives, as well as set up savings plans. Scalable Wealth, the digital wealth management service, offers clients professional investment in ETF portfolios, and is also adopted as a white-label solution by banks and other B2B partners. The company’s offerings are rounded off by attractive interest rates, loans, and private equity. With the European Investor Exchange, Scalable Capital offers an exchange specifically for retail investors. Over one million clients have already entrusted more than €50 billion to the platform. Founded in 2014, Scalable Capital now employs over 700 people across Munich, Berlin, Vienna, Milan, and London. Together with the founding and management team, including Erik Podzuweit and Florian Prucker, they are working on a new generation of financial services. Visit our finance blog or check out our Social Media channels to find out what our Expert Teams have to say. Our Company Values guide us every day in how we work and collaborate. To learn more about them, you can find our values here (English). Join us to build and operate the infrastructure foundation behind mission-critical, real-time trading systems with demanding reliability and tail-latency requirements. This is primarily a platform and infrastructure role. You will work on the runtime and operational environment behind performance-sensitive systems across cloud and physical infrastructure. The scope includes AWS, Linux hosts, networking, containerized runtimes, observability, deployment safety, and, where needed, dedicated hardware. In this role you will: 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 A university degree in Computer Science, Engineering, or a comparable practical background Experience with dedicated host strategies, low-latency networking, CPU pinning, host-level isolation techniques 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 supporting Rust-based service environments Experience in regulated, security-sensitive, or high-reliability environments Be part of one of the fastest-growing and most visible Fintech startups in Europe, creating innovative services that have a substantial impact on the lives of our customers Work with an international, diverse, inclusive, and ever-growing team that loves creating the best products for our clients Be productive with the latest hardware and tools Learn and grow by joining our in-house knowledge sharing or career development sessions and spending your individual Education Budget Learn and experience German culture first hand by joining our free German language classes International relocation support is provided if required Opportunity to work from abroad Benefit from an attractive compensation package and from the company pension scheme Monthly contribution of 50% for the ‘Deutschland Jobticket’ Say goodbye to order commissions and say hello to your complimentary subscription of Scalable Capital's PRIME+ Broker Enjoy flexible and discounted sports activities with Urban Sports Club