Working Student (m/f/d)​Indexing Platform

Company DescriptionSince its creation in 2007 in the financial city of Frankfurt am Main, Solactive AG has grown to one of the key players in the indexing space. The German multi-asset index provider focusses on tailor-made indices, offering to its clients a faster service, with greater flexibility and at a reasonable cost. Solactive AG and its subsidiaries have become one of the fastest growing index providers over the past few years and support the leading investment banks and asset managers across the globe. We have gained global recognition for our role in the Exchange Traded Fund (ETF) industry, where we rank among the top providers worldwide for underlying indices. We also excel in diverse areas such as Structured Products and investment mandates, showcasing the wide range of our capabilities. The impact and value we bring to the market is palpable, but also in the reputation we have proudly built by being close to our customers, solidifying Solactive AG as a trusted and reliable ally in the ever-evolving global financial landscape.Job OverviewSolactive's Aggregate team owns the intraday calculation of our indices: consuming live price streams, applying calculation logic across a wide range of indices, and producing a continuous output stream of index ticks throughout the trading day. The core platform is built in Java and engineered around throughput, latency, and correctness under concurrency, while custom business integrations are built in Python. As a Working Student you join a small team and contribute real, production-bound code to both, working alongside senior engineers who review your work and coach you.Your TasksImplement well-scoped features and fixes in the Java calculation platform, such as improvements to calculation components, price stream consumption, or index tick productionWrite unit, integration, and performance tests, including tests for concurrent code paths where ordering and timing matterHelp investigate correctness or performance issue