Demo

Principal Developer, FX Engineering

London Stock Exchange Group Holdings Inc
New York, NY Full Time
POSTED ON 1/1/2026
AVAILABLE BEFORE 1/31/2026
LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a commitment to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. We are looking to hire a highly skilled and passionate low latency java engineer to help design, build, and operate large-scale trading platforms. The group is responsible for FX trading and related services. We value technical aptitude, innovative thinking, great learning and teamwork ability. Responsibilities Closely working with architects and other team members and groups to develop and build complex applications that meet the needs of FX engineering. Design, development and support of trading venue. Ongoing support and development of cloud services including working with Refinitiv product development groups to build cloud aware applications Develop automated processes to prevent, identify, and fix problems that impact service availability Identify and deliver improvements across a broad range of areas such as cost savings, security, ease of use, & reliability. Required Skills Strong Java programming skills and experience writing clean code Data structures and Algorithms Expertise in concurrency and performance optimization, Deep understanding of system architecture and memory management. Proficient in profiling tools Experience with specialized libraries and frameworks for low-latency applications Knowledge of network protocols (TCP, UDP, HTTP), network performance, and techniques for optimizing network communication. Proven track record of delivering goals Knowledge & Experience of modern agile development methodologies Exposure to DevOps practices and automation of software testing, delivery, and infrastructure changes Self-motivated and self-directed, able to work effectively in a globally distributed team, managing multiple priorities while collaborating with cross-functional teams Proven ability to investigate complex issues spanning multiple technologies and drive to completion Desired Skills Experienced in cloud technologies Experience with SQL and NoSQL Strong passion for technology, a willingness to learn new skills Excellent communication (written and verbal) and interpersonal skills Compensation/Benefits Information: LSEG is committed to offering competitive Compensation and Benefits. The anticipated base salary for this position is $143,200 - $238,800. Please be aware base salary ranges may vary by geographic location, city and state. In addition to our offered base salary, this role is eligible for our Annual Incentive Plan (AIP/”bonus plan”). Target AIP rates will be commensurate with role level and posted career stage. Individual salary will be reflective of job related knowledge, skills and equivalent experience. LSEG roles (excluding internships and part-time roles of less than 20 hours per week) are typically eligible for inclusion in our LSEG Benefits program, which includes offerings of: Annual Wellness Allowance, Paid time-off, Medical, Dental, Vision, Flex Spending & Health Savings Options, Prescription Drug plan, 401(K) Savings Plan and Company match. LSEG’s Benefits plan also includes basic life insurance, disability benefits, emergency backup dependent care, adoption assistance commuter assistance etc. LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth. Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions. Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce. You will be part of a collaborative and creative culture where we encourage new ideas and are committed to sustainability across our global business. You will experience the critical role we have in helping to re-engineer the financial ecosystem to support and drive sustainable economic growth. Together, we are aiming to achieve this growth by accelerating the just transition to net zero, enabling growth of the green economy and creating inclusive economic opportunity. LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives. We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs. Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it’s used for, and how it’s obtained, your rights and how to contact us as a data subject. If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice. If you want to apply for a job, please click the Apply button. You will then be redirected to our Careers sign-in page where you can enter your existing credentials or set up an account with us. If there is nothing that currently suits you, feel free to send us your Resume/CV LSEG (London Stock Exchange Group) is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth. Our culture of connecting, creating opportunity and delivering excellence shapes how we think, how we do things and how we help our people fulfil their potential. Our Data & Analytics, Capital Markets and Post Trade divisions have a combined power that provides a comprehensive, integrated suite of trusted financial market infrastructure services to help our customers pursue their ambitions. Explore our divisions LSEG is headquartered in the United Kingdom, with significant operations in 70 countries across Europe, the Middle East, Africa, North America, Latin America and Asia Pacific. Find out more Get to know some of our people who are pushing the boundaries of technology, finance and more around the world.

Salary : $143,200 - $238,800

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