Provide hands-on onsite desktop and hardware support for corporate office and trading floor users, including configuring devices, managing accounts and access, and supporting conference room and collaboration technology…
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Build and operate a high-performance, multi-exchange crypto trading platform, including its order management system, real-time arbitrage scanners, execution infrastructure, and data pipelines. Develop backtesting framew…
Design, develop, and modernize global client connectivity trading systems, improving their performance, reliability, and maintainability while delivering functionality for client needs and regulatory changes. Contribute…
Design and optimize low-latency C++ systems for trading, market data, and infrastructure, profiling performance across CPU, cache, and memory layers. Collaborate with FPGA, hardware, and infrastructure engineers on end-…
Design, develop, and modernize global client connectivity trading systems, improving their performance, reliability, and maintainability while supporting client needs and regulatory changes. Contribute to architecture a…
Build and operate robust research-platform technology that supports quantitative analysis, model evaluation, and the research-to-production lifecycle. Partner with Portfolio Managers and Quantitative Researchers to turn…
Build and support AWS infrastructure and GitLab CI/CD pipelines for the Calypso trading platform, including cloud migration, infrastructure automation, deployments, and Aurora PostgreSQL support. Improve observability,…
Lead the research, validation, and deployment of systematic strategies for Indian derivatives markets, including options arbitrage, hedging, and statistical strategies. Architect and scale production trading systems, ex…
Own and maintain infrastructure and runtime systems, focusing on performance, reliability, connectivity, and tooling so systems behave predictably under stress. Apply disciplined change management, maintain feedback loo…
Build reliable data pipelines, data contracts, and internal tools that help teams test ideas and reproduce results. Develop systems that can be operated safely and support research velocity and correctness. Requires str…
Design and develop low-latency, high-throughput systems for trade execution, market data, and exchange connectivity. Lead the integration of AI agents into the software development lifecycle to improve system performanc…
Develop and maintain production Python applications, research tools, and financial data pipelines supporting systematic equities and credit strategies. Partner with quantitative researchers and traders to turn research…
Design and develop techniques to accelerate AI, mathematical, and financial workloads, optimizing complex applications across modern CPU and GPU architectures. Profile and remove performance bottlenecks, publish and pre…
Support ultra-low-latency electronic trading systems across global markets and troubleshoot time-critical production issues. Build automation and tooling to improve reliability and efficiency, collaborating with traders…
Design, develop, and maintain ultra-low-latency trading software and real-time market data distribution systems using Core Java and C++. Tune Linux networking and kernel-bypass architectures, manage deployment tooling,…
The senior engineer will design and implement scalable, high-performance trading applications for the equity front office. They will also collaborate with global teams and business users to gather requirements and suppo…
Design, develop, and optimize Citi's ultra-low-latency risk engine for cash equities, including real-time pre-trade checks, position limits, and exposure controls integrated into the electronic execution platform. Lead…
Develop and operate Citi's low-latency equities connectivity platforms, including exchange and client connectivity, order management, algorithm access, and direct market access. Partner with business and technology team…
Design, develop, and maintain Citi’s high-performance, low-latency APAC electronic execution platform, including algorithmic trading, smart order routing, connectivity, and market data processing. Collaborate with trade…
Provide Level 2 production support for mission-critical equities electronic trading applications, monitoring systems and platforms, investigating issues, and ensuring resolution within service-level agreements. Coordina…