LSEG · 11 hours ago
Principal Software Engineer
New York, NY
Full-time
Onsite
Senior Level, Lead/Staff
$143K/yr - $239K/yrLSEG (London Stock Exchange Group) is a leading global financial markets infrastructure and data provider. The Principal Software Engineer will be responsible for maintaining existing backend order management applications and contributing to the development of a next-gen trading platform, ensuring high-quality solutions and collaboration with various stakeholders.
ConsultingData ManagementDatabaseFinanceFinancial ServicesInfrastructureStock Exchanges
Responsibilities
Demonstrates good knowledge of technologies and/or SME knowledge of a technology, advising others on design, development and implementation
Advances tools and applications by producing expert code and producing the right solutions needed
Handles own workload and promotes an inclusive and open culture
Is regarded as the point of contact in their domain by showing significant depth of knowledge and expertise in software development and develops further knowledge of other domains to act on linkages and dependencies
Understands how the technology / domain strategy relates to and impacts own work, supporting the implementation of strategy and culture within all work. Supports strategy definition where appropriate
Develops an understanding of the market and LSEG's commercial position in it
Owns the delivery of critical projects, working autonomously and with little direction; may ensure the timely completion of work from other team members, delegating work when required and mentoring others
Works with architects to decompose a solution into Epics
Leads design work and planning for Epics breaking them down to journeys with product owners and quality leads
Adapts existing patterns to develop robust solutions
Builds positive relationships with internal and external stakeholders, growing own network and collaborating with other teams
Communicates complex / technical information clearly and concisely in an audience appropriate format
Continues to develop technology and industry expertise through certifications, professional qualifications and networking events
Qualification
Required
Strong understanding of system architecture and design
Strong Java fundamentals (JVM, multithreading, collections, I/O, etc)
Strong development experience in Java technology stack along with API development, Docker and Kubernetes
Strong technical experience on writing clean code, unit tests, code reviewing and refactoring
Good knowledge of the following principles: SOLID, DRY, Law of Demeter, etc
Keen understanding of the challenges in low-latency development and practical techniques for addressing them
Experience with distributed version control systems (Git) and build automation tools (Gradle, Maven)
Experience with Linux / Unix operating systems
Experience with RDBMS (e.g. PostgreSQL)
Familiar with Agile methodology and its implementation
Strong verbal and written communication skills
Ability and interest in working in a dynamic, focused, upbeat and constantly evolving group
Ability to work in a fast paced environment
Critical and creative thinker; able to think 'out of the box' Problem-solving focus
Attention to detail
BS/MS in computer science, engineering or demonstrable experience
Preferred
Financial industry experience designing and implementing trading systems is a plus
Practical knowledge / experience with TDD (test driven development) and CI/CD (continuous integration / continuous delivery) practices
Experience with Spring & Spring Boot, Redis and Apache Kafka
Familiarity with cloud platforms (ideally Microsoft Azure)
Benefits
Annual Wellness Allowance
Paid time-off
Medical
Dental
Vision
Flex Spending & Health Savings Options
Prescription Drug plan
401(K) Savings Plan and Company match
Basic life insurance
Disability benefits
Emergency backup dependent care
Adoption assistance
Commuter assistance
Company
LSEG
LSEG (London Stock Exchange Group) is a diversified international markets infrastructure business —earning our clients’ trust for over 300 years.
Founded in 2007
10001+ employees
H1B Sponsorship
LSEG has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
2022 (3)
2021 (12)
Funding
Current Stage
Public CompanyTotal Funding
$8.19BKey Investors
Microsoft
2023-09-07Post Ipo Secondary· $2.87B
2023-05-16Post Ipo Secondary· $3.32B
2022-12-11Post Ipo Secondary· $2B
Leadership Team
David Schwimmer
Chief Executive Officer
Pascal Boillat
Chief Operating Officer
Recent News
2026-01-03
2026-01-03
Company data provided by crunchbase