Senior Low-Latency Java Engineer — Global Markets

Citigroup Inc.; Greater London; Hybride; GBP 110 000 - 170 000; Plein temps

Avantages offerts par ce poste

27 days leave

Bonus

Private Medical Care

Life Insurance

Employee Assistance Program

Pension Plan

Parental Leave

Employee Discounts

Learning Resources

Résumé du poste

Citi is seeking a senior Low Latency Java Engineer in London. You will work primarily in Java or Rust to build low-latency microservices and in-house frameworks for trading systems, enabling fast, reliable market access. The team collaborates with multiple groups to modernise and scale platforms across Citi.

The role emphasizes debugging, performance tuning, and mentoring junior engineers, with a hybrid work option and a competitive benefits package.

Qualifications

• Subject matter expert in Applications Development and low-latency trading tech.
• Experience with algorithmic trading apps in low latency environments.
• Knowledge of market data handling and related tech (time-series DBs).
• Proven leadership and project management skills.
• Strong coding skills in modern Java and JVM, Linux systems.

Responsabilités

• Work 90% in Java or Rust within low-latency microservices framework with in-house tech.
• Lead integration of new functions, deploy products, and improve processes.
• Analyze complex business and system processes to define high-level solutions.
• Provide world-class Java low-latency expertise and design scalable systems.
• Mentor junior developers and share knowledge across teams.

Connaissances

Java

C++

Rust

KDB

Market data

Algorithmic trading

Low latency

Outils

Linux

OpenOnload

Kernel bypass

KDB time-series DB

Description du poste

Citi is seeking a senior Low Latency Java Engineer in London. You will work primarily in Java or Rust to build low-latency microservices and in-house frameworks for trading systems, enabling fast, reliable market access. The team collaborates with multiple groups to modernise and scale platforms across Citi.

The role emphasizes debugging, performance tuning, and mentoring junior engineers, with a hybrid work option and a competitive benefits package.