Quick overview
Job description
Discover your future at Citi
Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 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
Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match.
From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. Citi's Equities Technology organization is seeking a
Lead 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. In this role, you 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.
Responsibilities 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. Qualifications
Strong technical knowledge and expertise in Low latency
Java and Rust
. Prior experience in developing electronic trading platforms in a global financial institution or equivalent environment. 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. Knowledge of C++ would be an advantage
Prior experience in managing small teams is a plus.
Education Bachelor's degree / University degree in Computer Science, Engineering, or a related field, or equivalent professional experience.
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 Global 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.
LI-MR7#
------------------------------------------------------
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.
If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review
Accessibility at Citi. View Citi’s EEO Policy Statement and the Know Your Rights poster.
Similar jobs
- TE

Software Engineer (Mobile) - LondonRecently posted
Teton.ai · london · On-site · Posted 14 Nov 2026 🇬🇧
SwiftAWSExpo+6TechnologySalary not listed - RT

Senior Systems EngineerRecently posted
RTX · plymouth · Hybrid · Posted 14 Nov 2026 🇬🇧
MATLABSVNGit+2TechnologySalary not listed - CS

Software Engineer (Elite Motorsport)Recently posted
Catapult Sports · london · Hybrid · Posted 14 Nov 2026 🇬🇧
C++JiraProject Management+2TechnologySalary not listed - FI

Lead Software Engineer (Golang/TypeScript)Recently posted
FXC Intelligence · london · Hybrid · Posted 14 Nov 2026 🇬🇧
DockerMariaDBMicroservices+14TechnologySalary not listed - PI

Senior Software EngineerRecently posted
Pikl · norwich · Hybrid · Posted 14 Nov 2026 🇬🇧
MySQLNext.jsAWS+8TechnologySalary not listed - NE
Technical Lead (Python, AWS, Terraform Experience)Recently posted
Netcompany · leeds · Hybrid · Posted 14 Nov 2026 🇬🇧
AWSPythonTerraform+2TechnologySalary not listed - KF
Requirements EngineerRecently posted
Knight Federal Solutions Inc · mablethorpe · Hybrid · Posted 14 Nov 2026 🇬🇧
EngineeringSalary not listed - PE

Software Engineer (Backend & distributed systems)Recently posted
Permutable · london · Hybrid · Posted 14 Nov 2026 🇬🇧
DockerGitAWS+7TechnologySalary not listed - GL

Senior Software EngineerRecently posted
Granicus LAC · United Kingdom · Remote · Posted 14 Nov 2026 🇬🇧
FastAPIMicroservicesGit+11TechnologySalary not listed - NA
Sr Software Engineer (C++ / Rust)Recently posted
NCR Atleos · dundee · Hybrid · Posted 14 Nov 2026 🇬🇧
RustScrumC+++4Technology£48k - £60k/yr - JC

Lead Software Engineer - PythonRecently posted
JPMorgan Chase & Co. · glasgow · Hybrid · Posted 14 Nov 2026 🇬🇧
MongoDBAWSJMeter+5TechnologySalary not listed - IO

Software Engineer, Non-Realtime ControllersRecently posted
IonQ · oxford · Hybrid · Posted 14 Nov 2026 🇬🇧
RustTCP/IPQuantum ComputingTechnologySalary not listed
