LSEG · 5 hours ago
Software Engineer
New York, NY
Full-time
Onsite
Entry, Mid Level
$97K/yr - $162K/yr
2+ years expLSEG (London Stock Exchange Group) is a leading global financial markets infrastructure and data provider. They are seeking a junior/mid-level full stack developer to work on portal development, back-end business logic, and data analytics, contributing to high-quality software solutions for financial market participants.
ConsultingData ManagementDatabaseFinanceFinancial ServicesInfrastructureStock Exchanges
Responsibilities
Working both individually and as part of a larger team to deliver high quality software solutions
Building APIs for scenario generation calling into quant libraries
Building unit tests and promoting continuous improvement throughout every stage of development
Ongoing maintenance and support of components
Ongoing evaluation and improvement of component effectiveness
Validation of client data
Automation of processes where necessary and appropriate
Generation of formatted reports and files to be sent to clients and 3rd party APIs
Improving and adding to component documentation
Persist the data and build tools, dashboards and analytics to perform data analytics
Qualification
Required
2-5 years professional experience as a Python Developer, working on data intensive numerical applications (E.g. Using Numpy, Pandas)
Experience with the all stages of the software development lifecycle from product design, technical design, coding, testing, documentation, release into production and ongoing maintenance
Strong understanding of 'good design' (eg SOLID design principles) pythonic code style and different design paradigms (eg OO, Functional, Imperative)
Experience working with AWS python SDK
Excellent problem-solving and communication skills. We work in partnership with product team to collaboratively design and improve functionality
Familiarity with the unix command line
Familiarity with Git or similar source control solution
Preferred
Understanding of financial derivatives including the role of clearing houses, differences between OTC & listed derivatives, margin, capital
Quantitative/data analysis background
Experience of Java and/or C++ (We don't do much of either internally, but some systems require us to interface with third party libraries which are sometimes only available in Java or C++)
Experience as a full-stack developer with React / JS front end and python backend
Experience with relational database design and implementation in postgres
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.
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
2025-12-17
FX News Group
2025-12-17
MarketScreener
2025-12-16
Company data provided by crunchbase