Senior Platform Engineer - Real-Time Infrastructure

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). Job Description 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 operationsDesign and improve infrastructure for performance-sensitive services, supported by repeatable production-like benchmarks covering throughput, burst behaviour, and p50, p95, p99, and p99.9 latencyDesign, operate, and troubleshoot critical network paths across VPCs, routing, security groups, load balancers, DNS, private connectivity, and service-to-service communicationBuild and improve infrastructure as code, host lifecycle management, and deployment workflows across development, staging, and productionImprove reliability, failover, recovery, and operational safety across Linux-based runtimes, containers, serverless workloads, event-driven flows, and scheduled processingHarden platform capabilities around IAM, KMS, secrets, service connectivity, and secure operational accessRaise the standard of observability through dashboards, alerting, tracing, health checks, readiness checks, and incident toolingPartner with software engineers on reusable infrastructure patterns, production readiness, CI/CD, and incident response Qualifications A university degree in Computer Science, Engineering, or a comparable practical backgroundExperience with dedicated host strategies, low-latency networking, CPU pinning, host-level isolation techniquesStrong experience owning production infrastructure for distributed or real-time systemsStrong hands-on experience with AWS, especially EC2, VPC networking, IAM, KMS, S3, SQS, SNS, and related operational toolingStrong hands-on networking experience, including routing, DNS, load balancers, network security, service connectivity, and debugging complex production traffic pathsStrong experience with Terraform and infrastructure lifecycle managementDeep knowledge of Linux systems, containers, runtime debugging, and host-level performance tuningExperience operating performance-sensitive workloads where predictability and tail-latency matter, not only average throughputExperience with infrastructure patterns for stateful services, active/standby failover, recovery, deployment safety, and controlled cutoversStrong analytical thinking, pragmatic decision-making, and clear communication across engineering and operational stakeholdersNice to have:Experience supporting Rust-based service environmentsExperience in regulated, security-sensitive, or high-reliability environments Additional Information 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 customersWork with an international, diverse, inclusive, and ever-growing team that loves creating the best products for our clientsBe productive with the latest hardware and toolsLearn 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 classesInternational relocation support is provided if required Opportunity to work from abroadBenefit from an attractive compensation package and from the company pension schemeMonthly contribution of 50% for the ‘Deutschland Jobticket’Say goodbye to order commissions and say hello to your complimentary subscription of Scalable Capital's PRIME+ BrokerEnjoy flexible and discounted sports activities with Urban Sports Club