Lead Java Developer, FX Engineering

LSEG (London Stock Exchange Group); New York (NY); On-site; USD 147,500 - 245,900; Full time

Benefits offered by this job

Annual Wellness Allowance

Paid time off

Medical insurance

Dental insurance

Vision insurance

401(K) Savings Plan with company match

Commuter assistance

Job summary

LSEG is seeking a highly skilled Java engineer to design, build, and operate large-scale FX trading platforms. The role emphasizes low latency, strong performance, and collaboration with global teams.

The candidate should excel in concurrency, memory management, and modern cloud solutions, while contributing to robust, scalable trading infrastructure and service reliability.

Qualifications

• Strong Java programming skills and clean-code discipline.
• Proficiency in data structures and algorithms.
• Experience with concurrency and performance optimizations.
• Deep understanding of system architecture and memory management.
• Familiarity with profiling tools for performance analysis.
• Experience with low-latency libraries/frameworks and network protocols.
• Track record of delivering goals in agile environments.
• Exposure to DevOps and automated testing/delivery workflows.
• Ability to work in a globally distributed team and manage priorities.

Responsibilities

• Collaborate with architects and teams to design and build complex FX trading applications.
• Develop, implement, and support trading venue functionality.
• Advance cloud services with product groups to create cloud-aware applications.
• Create automated processes to detect and fix service-impacting issues.
• Identify improvements across cost, security, usability, and reliability.

Skills

Java

Data structures

Algorithms

Concurrency

System architecture

Memory management

Profiling tools

Low-latency libraries/frameworks

Networking protocols

Delivery track record

Agile

DevOps

Self-motivation

Cross-functional collaboration

Problem solving

Job description

We are looking to hire a highly skilled hands on Java engineer to help design, build, and operate large-scale trading platforms. The group is responsible for FX trading and related services. Low latency experience needed.

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 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, and 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.

Career Stage

Manager

Compensation/Benefits Information

LSEG is committed to offering competitive Compensation and Benefits. The anticipated base salary for this position is $147,500 - $245,900. Please be aware base salary ranges may vary by geographic location, city and state. In addition to the 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.

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.