Senior Rust Software Engineer - Banking Platform (m/f/x)

Company DescriptionScalable 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 DescriptionBe part of the team building high‑throughput, low‑latency financial systems where correctness, reliability, and observability are non‑negotiable. You’ll work on core services that process time-sensitive financial data and execute critical workflows under strict performance and risk constraints.Design and build latency‑sensitive Rust services handling high‑frequency data and decisioning.Implement robust, testable financial logic with strict correctness guarantees.Build and maintain streaming pipelines (real‑time inputs, event processing, and feedback loops).Optimize performance across CPU, memory, and network with profiling and benchmarking.Collaborate on API design, data models, and system architecture.QualificationsA university degree in a relevant field of study (e.g. computer science, engineering, sciences, ...) or a comparable qualification.Extensive experience in our tech stack: Rust, Docker, AWS, TerraformStrong Rust proficiency (ownership, lifetimes, concurrency, async, error handling).Excellent systems thinking: latency, throughput, backpressure, and failure modes.Experience building high‑performance services in production.Experience with low‑latency systems.Strong analytical thinking, both in the technical and in the product domain.Excellent communication skills that are clear, concise, and targeted towards your audience - engineering, product, or other stakeholders.A passion for well architected, testable and documented code.Experience using coding agents (e.g., Codex or similar AI-assisted development tools) is a plus.Experience with domain-driven design and distributed architectures and/or microservices is a plus.Background in financial services and exposure to compliance or audit requirements in financial systems is a strong plus.Additional InformationBe 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 ClubSummaryType: Full-timeFunction: EngineeringExperience level: Mid-Senior LevelIndustry: Banking