Senior Low Latency Java Engineer - Equities Electronic- Execution (eTrading)

Citi; New York (NY); Hybrid; USD 180,000 - 250,000; Full time

Benefits offered by this job

27 days annual leave

Discretional annual bonus

Private Medical Care & Life Insurance

Employee Assistance Program

Pension Plan

Paid Parental Leave

Special discounts for employees,Family

Job summary

Citi is seeking a Senior Software Engineer for its Equities Electronic-Execution team. You will design and deliver a next-generation low-latency Java platform, collaborating with traders, quants, and global teams to enable high-speed execution, market connectivity, and robust post-trade capabilities.

You will contribute to high-performance systems, participate in Agile and CI/CD practices, and help drive improvements in testing, reliability, and scalability across the platform.

Qualifications

• Extensive experience with strong technical knowledge and expertise in low-latency Java.
• Solid understanding of automated testing techniques and quality engineering practices.
• Strong grasp of Agile methodologies and Continuous Integration processes.
• Familiarity with low-latency system design, including performance optimization, concurrency, and high-throughput architecture.
• Ability to prioritize multiple tasks and meet deadlines in a fast-paced, globally distributed environment.
• Excellent communication skills for cross-cultural collaboration and clear concept sharing.

Responsibilities

• Design, development and maintenance of high-performance, low-latency electronic execution systems.
• Partner with traders, quants, and clients to translate needs into product features and enhancements (execution performance, new liquidity sources, DMA).
• Continuously improve testing frameworks, development tools and environments for reliability and scale.
• Leverage AI-powered development tools in the Software Development Life Cycle (SDLC) to boost productivity and quality.
• Champion Agile development practices and CI/CD with a focus on shift-left testing and faster releases.
• Build and maintain shared solutions for trading platform monitoring, reconciliation and recovery.

Skills

Low Latency Java

Automated testing

Agile methodologies

CI/CD

Concurrency

High-throughput

Job description

Senior Low Latency Java Engineer - Equities Electronic- Execution (eTrading)

Discover your future at Citi

Working at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

Job Overview

Senior Low Latency Java Engineer - Equities Electronic- Execution (eTrading)

Engineer the future of global finance. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

What We do / The Team

Equities Technology at Citi is undertaking a bold, multi‑year transformation to build a best‑in‑class global platform across execution, prime, clearing and cross‑product margining. We are re‑engineering our technology estate to achieve world‑leading performance and resiliency, enabling new capabilities in advanced execution, global market connectivity, and modernised post‑trade, clearing and margin processes. Our ambition is to deliver a seamlessly integrated, highly automated platform that drives outstanding client outcomes and accelerates growth across our global franchise. As part of the team, you’ll collaborate closely with high‑calibre engineers and deeply engaged business and product partners - working together to define and deliver the next generation of Equities technology at Citi.

Role Overview

Citi's Equities Technology organization is seeking a Senior Software Engineer to join the Equities Electronic- Execution (Electronic Trading) technology team. The person in this role will be responsible for the design, development, and delivery of Citi's next-generation low‑latency execution platform. This platform encompasses critical components including Algorithmic Trading, Smart Order Routing (SOR), Dark Pool & Internalization engines, Low latency Client & Exchange Connectivity, and high‑throughput market data processing.

The senior engineer will collaborate with a cross‑functional team of developers and work closely with product development, quantitative research, technology infrastructure, production support and QA teams. Close alignment with the global strategy and cross‑regional delivery is a key aspect of this role. This is a leadership role requiring prior experience in building high performance Electronic Trading platforms and leading high performance development teams.

• Core Development: Design, development and maintenance of high-performance, low-latency electronic execution systems

• Product Collaboration: Partner with traders, quant researchers, and clients to understand their needs and translate them into innovative product features and enhancements — including execution performance improvements, new liquidity sources, and DMA capabilities.

• Testing: Continuously improve and maintain testing frameworks, development tools, and environments to ensure platform reliability and performance at scale.

• AI-Powered SDLC: Leverage Citi's suite of AI-powered development tools throughout the Software Development Life Cycle (SDLC) to enhance productivity, code quality, and innovation.

• Agile & CI/CD: Contribute to and champion Agile development practices and Continuous Integration/Continuous Delivery (CI/CD) processes with a focus on shift‑left testing and accelerated release cycles.

• Platform Support & Enhancement: Build and maintain common solutions for trading platform monitoring, trade reconciliation, application recovery, and other essential support functions.

What you will bring

• Extensive experience with strong technical knowledge and expertise in Low Latency Java,

• Strong understanding of automated testing techniques and quality engineering practices.

• Solid understanding of Agile methodologies and Continuous Integration processes.

• Familiarity with low‑latency system design, including performance optimization, concurrency, and high‑throughput architecture.

• Ability to prioritize multiple tasks, set goals, and meet deadlines in a fast‑paced, globally distributed environment.

• Excellent communication skills with a demonstrable ability to present and grasp complex concepts in a multicultural, cross‑regional environment.

• Knowledge of regional exchange microstructure and regulatory regimes.

Bonus points for:

• Coupled with extensive Java expertise, added programing skills and experience in C++ or Rust would be considered advantageous.

• Prior experience developing electronic trading platforms in a global financial institution or equivalent environment.

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

What we’ll provide you

By joining Citi, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as:

• 27 days annual leave (plus bank holidays)

• A discretional annual performance related bonus

• Private Medical Care & Life Insurance

• Employee Assistance Program

• Pension Plan

• Paid Parental Leave

• Special discounts for employees, family, and friends

• Access to an array of learning and development resources

Visit our About Us | Culture, Values & Benefits page to learn more.

Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive.

Job Family Group: Technology

Job Family: Applications Development

Time Type: Full time

Most Relevant Skills

Please see the requirements listed above.

Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

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