At a Glance
- Tasks: Engineer cutting-edge low-latency trading systems that shape global finance.
- Company: Join Citi, a leader in redefining finance with innovative technology.
- Benefits: Enjoy competitive salary, 27 days leave, hybrid work, and extensive learning resources.
- Other info: Dynamic, inclusive workplace with mentorship and career growth opportunities.
- Why this job: Make a real impact on global markets while growing your tech skills.
- Qualifications: Strong knowledge in Java, C++, or Rust; experience in electronic trading preferred.
The predicted salary is between 60000 - 80000 € per year.
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 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.
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, C++ or 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.
- 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.
Benefits
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 discretionary 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
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. 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.
Low Latency E-Trading Software Engineer in London employer: Citigroup, Inc.
Citi is an exceptional employer that fosters a dynamic and inclusive work culture, where innovation thrives and employee growth is prioritised. With a competitive salary, generous benefits including 27 days of annual leave, and a commitment to hybrid working, Citi empowers its employees to excel in their careers while contributing to the future of global finance. Join a team that values your ideas and offers continuous learning opportunities in a fast-paced, collaborative environment.
StudySmarter Expert Advice🤫
We think this is how you could land Low Latency E-Trading Software Engineer in London
✨Tip Number 1
Network like a pro! Reach out to folks in the industry, attend meetups, and connect with current Citi employees on LinkedIn. A personal introduction can make all the difference when you're applying for that Low Latency E-Trading Software Engineer role.
✨Tip Number 2
Show off your skills! If you’ve got a portfolio of projects or contributions to open-source, make sure to highlight them during interviews. Demonstrating your expertise in low-latency systems and programming languages like Java or C++ will definitely catch their eye.
✨Tip Number 3
Prepare for technical interviews by brushing up on your coding skills and understanding of algorithmic trading. Practice common coding challenges and be ready to discuss your thought process. We want to see how you tackle real-world problems!
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen. Plus, it shows you’re genuinely interested in joining the Citi Tech team and being part of the future of finance.
We think you need these skills to ace Low Latency E-Trading Software Engineer in London
Some tips for your application 🫡
Tailor Your CV:Make sure your CV is tailored to the Low Latency E-Trading Software Engineer role. Highlight your experience with low-latency systems, Java, C++, or Rust, and any relevant projects that showcase your skills in electronic trading platforms.
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you're passionate about fintech and how your background aligns with Citi's mission. Don’t forget to mention your understanding of Agile methodologies and CI/CD processes.
Showcase Your Problem-Solving Skills:In your application, give examples of how you've tackled real-world challenges in previous roles. Whether it's improving execution performance or optimising system design, we want to see your innovative thinking in action!
Apply Through Our Website:We encourage you to apply directly through our website for the best chance of getting noticed. It’s super easy, and you’ll be able to keep track of your application status. Plus, we love seeing candidates who take the initiative!
How to prepare for a job interview at Citigroup, Inc.
✨Know Your Tech Inside Out
Make sure you brush up on your knowledge of low-latency Java, C++, or Rust. Be ready to discuss specific projects where you've implemented these technologies, especially in electronic trading platforms. This will show that you not only understand the theory but also have practical experience.
✨Understand the Business
Familiarise yourself with how global finance operates and the role of electronic trading within it. Knowing about algorithmic trading, smart order routing, and market data processing will help you connect your technical skills to real-world applications, making you a more compelling candidate.
✨Showcase Your Problem-Solving Skills
Prepare to discuss challenges you've faced in previous roles, particularly around performance optimisation and concurrency in low-latency systems. Use the STAR method (Situation, Task, Action, Result) to structure your answers and demonstrate your analytical thinking.
✨Communicate Effectively
Since you'll be working with cross-functional teams, practice explaining complex concepts in simple terms. Highlight your communication skills during the interview by asking insightful questions and engaging with your interviewers. This will show that you're not just a tech whiz but also a team player.