
Realtime Analytics and Controls Developer
XTX Markets14 hours ago
London, United KingdomSenior
Responsibilities
- Communicate regularly with internal users to understand needs, workflows, and feature ideas.
- Design, implement, and maintain ingestion mechanisms for large volumes of trading-system data.
- Build internal frameworks for data processing and presentation.
- Develop in-memory query engines and maintain calculations of trading metrics.
- Present data clearly, usefully, and accurately in collaboration with frontend developers.
- Build software capable of reliable 24/7 operation and participate in the on-call rota.
- Contribute to the shared software platform supporting the Realtime Analytics and Controls team.
Requirements
- At least 5 years of professional coding experience with Java or C++.
- Ability to write efficient code and apply algorithmic reasoning.
- Familiarity with distributed systems, including consistency and delays.
- Willingness to learn Kotlin.
- Experience writing automated tests.
- Strong communication skills with technical stakeholders and ability to prioritize according to business needs.
- Familiarity with high-throughput JVM techniques is desirable.
- Experience with binary protocols, databases, and high-stakes systems is desirable.
- Commitment to correctness, reliability, reducing complexity, and taking responsibility.
Benefits
- Onsite gym, sauna, and fitness classes at no charge.
- Extensive medical benefits, including an onsite doctor and therapist at no charge.
- Breakfast and lunch provided daily.
- Caregiver support, including emergency dependent care.
- Kings Cross office location.
- 25 days of paid holiday per year, plus statutory holidays and paid sick days.
- Generous pension contributions.
About XTX Markets
XTX Markets is a privately held, London-based quantitative electronic market maker and algorithmic trading firm founded in 2015. It builds machine-learning models and high-performance systems to trade and provide liquidity across equities, FX, fixed income, commodities, and crypto on exchanges and directly to clients; the firm reports trading over $250B daily across 35 countries. XTX operates large in-house compute infrastructure and is constructing a data center in Finland to expand capacity.