Principal Developer, FX Matching Applications
- LSEG
- London, United Kingdom
- Feb 21, 2025
Job Description
ABOUT US:
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 dedication 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. Through a comprehensive suite of trusted financial market infrastructure services – and our open-access model – we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity.
LSEG is headquartered in the United Kingdom, with significant operations in 70 countries across EMEA, North America, Latin America and Asia Pacific. We employ 25,000 people globally, more than half located in Asia Pacific. LSEG’s ticker symbol is LSEG.
OUR PEOPLE:
People are at the heart of what we do and drive the success of our business. Our culture of connecting, creating opportunity and delivering excellence shape how we think, how we do things and how we help our people fulfil their potential. We embrace diversity and actively seek to attract individuals with unique backgrounds and perspectives. We break down barriers and encourage teamwork, enabling innovation and rapid development of solutions that make a difference. Our workplace generates an enriching and rewarding experience for our people and customers alike. Our vision is to build an inclusive culture in which everyone feels encouraged to fulfil their potential.
We know that real personal growth cannot be achieved by simply climbing a career ladder – which is why we encourage and enable a wealth of avenues and interesting opportunities for everyone to broaden and deepen their skills and expertise. As a global organisation spanning 70 countries and one rooted in a culture of growth, opportunity, diversity and innovation, LSEG is a place where everyone can grow, develop and fulfil your potential with meaningful careers.
ROLE SUMMARY:
We are seeking a Principal Developer with a strong Java background and proven exposure to C++ to architect, design, and build our flagship FX Maching Venue. This role demands deep expertise in developing trading systems and knowledge of FX products. A consistent track record of leading development teams in a multifaceted, regulated financial environment.
WHAT YOU'LL BE DOING:
Software Architecture & Development:
Lead the design and development of a high-performance FX Exchange application using Java as the primary language, with some background in C++.
Drive the technical vision and ensure robust, scalable, and secure implementation of FX trading solutions across FX Spot and FX Swaps products.
Architect solutions that meet key operational, risk, and regulatory requirements.
Optimize Java applications and tune operating systems to achieve peak performance in high-frequency trading environments.
Process Optimization & Quality Assurance:
Implement efficient software development processes to ensure the delivery of high-quality, maintainable services.
Establish and implement standard practices for code quality, automated testing, and continuous integration/deployment.
Team Leadership & Collaboration:
Lead and mentor Agile development teams, guiding them through technical challenges and encouraging a collaborative, high-performance environment.
Work closely with multi-functional teams, including Architecture, Product, and Sales, to align technical solutions with business objectives and customer needs.
Serve as the technical lead and domain expert in FX trading systems, providing strategic insights and direction across the organization.
Innovation & Impact:
Orchestrate the development of an FX Exchange application that is both innovative and best-in-class, directly contributing to growth opportunities.
Ensure that all solutions are aligned with the overall technical strategy and deliver measurable impact through improved system performance and user satisfaction.
Critical Deliverables
Delivery of a robust, scalable FX Matching with comprehensive modules covering FX Spot, and Swaps.
Continuous improvements in software quality, performance metrics, and team productivity.
Key Performance Indicators
Team velocity and sprint burndown rates
Cycle time and cumulative flow efficiency
Code quality and testing metrics
Operational and defect metrics
Overall performance of the FX Matching application
WHAT YOU'LL BRING:
A degree in Computer Science, Software Engineering, Electrical Engineering, or a related field.
Significant hands-on experience in low latency Java/C++ development.
Understanding of programming low-latency state machines, FIX protocol, binary protocols for market data.
In-depth knowledge of multi-threading and concurrency in high-frequency trading environments.
Extensive experience in building FX trading applications, including FX Spot, and FX Swaps.
Proficient in Agile development methodologies and with continuous integration/continuous deployment (CI/CD) tools (e.g., Git, GitLab, Bamboo, BitBucket, Sonarqube).
Hands-on experience with Application Security Tools (e.g., Veracode, Coverity, Blackduck) and a pragmatic approach to automation.
Proven working knowledge of Linux environments.
Business and Sector Expertise
Direct experience in the FX industry and regulated financial environments.
Broader exposure to financial markets is advantageous.
Validated leadership skills and technical thought leadership.
Experience in stakeholder management and coordinating vendor or team resources is a plus.
Personal Skills and Capabilities
Excellent verbal and written communication skills, capable of explaining complex technical concepts to both technical and non-technical partners.
Analytical and results focused, with a strong sense of innovation and accountability.
A collaborative approach with a focus on customer needs and continuous improvement.
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.
About us
LSEG is one of the world’s leading providers of financial markets infrastructure and delivers financial data, analytics, news and index products to more than 40,000 customers in over 170 countries.
We help organisations fund innovation, manage risk and create jobs by partnering with customers at every point in the trade lifecycle: from informing their pre-trade decisions and executing trades to raising capital, clearing and optimisation.
Backed by more than three centuries of experience, innovative technologies and a team of 25,000 people in over 60 countries, we are driving financial stability, empowering economies and enabling you to grow sustainably.
Our purpose
At LSEG, our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.
The services we provide as a leading global financial markets infrastructure and data provider are critical for economies around the world. The vital social and economic role we play enables sustainable growth for customers, partners, and the communities we all live in.
Our word is our bond. True in 1801. Just as true today.
London Stock Exchange is one of the world’s oldest stock exchanges and can trace its history back more than 300 years. LSEG was created in October 2007 (as the London Stock Exchange Group) when London Stock Exchange merged with Milan Stock Exchange, Borsa Italiana.
Our values
Our purpose is the foundation on which our culture is built. At LSEG, our values are Integrity, Partnership, Excellence, and Change. Underpinning our purpose, our values articulate how we work with customers, partners, and each other. They go to the heart of who we are and guide our decision making and everyday actions.
What we do
LSEG is a leading global financial markets infrastructure and data provider that operates connected businesses to serve customers across the entire financial markets value chain.
With capabilities in data, indices and analytics, capital formation, trade execution, clearing and risk management, we operate at the heart of the world’s financial ecosystem and enable the sustainable growth and stability of our customers and their communities.
Together, our five business divisions – Data and Analytics, FTSE Russell, Risk Intelligence, Capital Markets and Post Trade – offer customers seamless access to global financial markets, across the trading lifecycle.
Our key locations
LSEG is headquartered in the United Kingdom, with significant operations in over 60 countries across Europe, the Middle East, Africa, North America, Latin America, and Asia Pacific.
Workplace Initiatives
- Programme for parents returning to work after Parental Leave? Yes
- Leadership development programmes? Yes
- Mentoring programmes? No
- Coaching Progammes - Yes
- Employee-led diversity networks? Yes
- Internal women's networking groups? Yes
-Open to discussing flexible work arrangements at interview stage? Yes
Global Parental Leave: 26 weeks
Minimum weeks tenure required to be eligible for paid maternity leave: Global Parental Leave: 12 months / 52 weeks
No. of weeks paid paternity leave at full salary: Global Parental Leave: 26 weeks
Minimum tenure required to be eligible for paid paternity leave: Global Parental Leave: 12 months / 52 weeks
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Gender Pay Gap |
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2023? |
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Average pay gap: |
N/A* Please see Non-identifiable gender pay gap |
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Median pay gap: |
N/A* Please see Non-identifiable gender pay gap |
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Average bonus gap: |
N/A* Please see Non-identifiable gender pay gap |
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Median bonus gap: |
N/A* Please see Non-identifiable gender pay gap |
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Non-Identifiable gender pay gap |
1.2% Find out more in our LSEG Sustainability Report 2023 |
Signatory of the UK Women in Finance Charter? Yes - since 2016
Targets to raise the number of women in leadership? Yes - LSEG achieved our goal of 40% female representation in senior leadership positions globally by December 2022. We remain committed to maintaining at least 40% female representation in senior leadership.
Targets to raise the number of BAME individuals in leadership? Yes - 25% underrepresented ethnic groups in senior leadership roles (ExCo and Group Leaders) by 2027
Listed in the Bloomberg Diversity & Inclusion Index? No
Returner Programme
As part of our Global Parental Leave offering, from 1st July 2024 all parents returning from any type of family leave (Global Parental Leave, UK Maternity, Paternity, Adoption or Shared Parental Leave) are eligible to an eight-week phased return to work, working 80% of normal hours at full pay. Additionally, LSEG is introducing enhanced leave to support families whose children require neonatal care.
Other Programmes
We offer a wide range of opportunities for ambitious graduates and students to start a dynamic and rewarding career in global financial markets. You can join us on an Internship or Graduate programme, which provides a formal learning experience or directly into Entry level positions.
Graduate programmes
Our graduate programmes, for final year undergraduate or Masters students and recent graduates, sit within Businessor Technology.
From day one you will be aligned to a division, where you will access divisional and global learning opportunities and experiences.
Our sustainable growth as a business means that more than ever before there are opportunities to develop your career in a truly global organisation, which is critical to the successful functioning of global financial markets. The breadth of our business means you will never lack opportunities to learn and grow.
Our Business Programme will allow you to gain valuable experience within one of our Divisions (Capital Markets, Post Trade , FTSE Russel and Data & Analytics) or, alternatively, work across one of our Group functions (People, Corporate Affairs and Marketing, Finance, Strategy or Risk). In the Divisional roles, you may be involved in helping companies to raise capital, developing benchmark ranges and indices, or building and evaluating risk models. In one of our Group functions, you’ll work in a central function to support company goals.
Our Technology Programme will enable you to launch your career in Engineering by contributing to live projects, collaborating with and being mentored by best-in-class talent as you acquire critical skills through on-the-job experiences. You’ll have a meaningful role in harnessing new, exciting technologies, and work on projects aimed at integrating them into our frontline products and operations.
Learning and Development
At LSEG we believe that colleagues own and drive their development. We understand it can be nerve-wracking to embark on a new career and, in some cases, make the transition from education to practice. We will assist you in nurturing a growth mindset and developing foundational and human skills such as financial market value chain, customer centricity, adaptability, innovation, problem solving and stakeholder management as well as specialist skills that are critical to the division that you will be working with.
During the programme we will provide curated learning pathways through leading learning platforms, a chance to connect with subject matter experts within LSEG and the opportunity to pursue a professional qualification that supports to build critical skills relevant to your area of specialisation, aiming to develop your knowledge and skills – with a global and divisional focus. You will also have access to Career Navigator, our brand-new personalised platform which will empower you to define and achieve your career ambitions within LSEG. You will access global and local learning opportunities and experiences, as well as a network of Early Careers peers who will support you as you progress your career journey at LSEG. You will contribute to wider society through CSR and volunteering initiatives as you build connections forming a global community across LSEG.
LSEG is a place where you can take your career in any direction. We believe in the career philosophy of “My Career. My Opportunity. My Future.”, empowering you with the tools and structure needed to broaden your skills. Beyond the programme, you can look forward to opportunities to advance your skills and learning at every stage of your career. Our scale and global presence give you the opportunity to deepen your abilities and expertise and take the next steps on your journey to achieving your career ambitions.
Internship programmes
Our summer internship programme, for penultimate year students, is a unique opportunity to get to know LSEG’s business and to gain an in-depth insight into financial markets.
Whether you apply for the Business or Technology internship, you will understand what a career with LSEG would really be like. The programme has been crafted to enable exploration of potential career pathways at LSEG, to start to build some of the key skills you will need as a graduate and to support you to build self-insight into your strengths and interests.
Our Technology Internship will enable you to launch your career in Engineering. Your technical placement will involve coding, development, and innovation. You’ll have a meaningful role in harnessing new, exciting technologies and working on projects aimed at integrating them into our frontline operations.
Our Business Internship programme will allow you to gain valuable experience within one of our Business Divisions, whilst gaining broader exposure to the wider Group. You’ll gain valuable experience in one of our Divisions (Capital Markets and Post Trade).
Schools and young people
We’re passionate about maximising the opportunities available to children and young people regardless of their background and have set up a number of initiatives that allow us to provide support.
LSEG Foundation
A vital way of delivering our purpose in the community and wider society is through the LSEG Foundation. Working with charity and NGO partners, we deliver a range of programmes across the globe, creating opportunities for those in need to participate in education, employment and enterprise. This is a vast challenge, so we aim to focus our support where we think it can have the greatest impact. Our aim is to help people access economic opportunities and build a secure future with financial independence.
Our programmes vary by geography and need. We create change through a variety of initiatives. These could include helping girls stay in school for longer, as part of a wider strategy to address gender inequality and community education, guiding young adults into secure work, education programmes for financial literacy or supporting individuals in reskilling for a fresh start.
Work experience
We are committed to supporting young people to explore career opportunities, build their employability skills and bridge the gap between education and practice.
Apprenticeship Programme (UK)
Our Apprenticeship Programme currently offer an 18-month accelerated development programme, combining real work experience with away-from-the-desk learning.
Online financial literacy resources
At LSEG, we believe financial literacy opens up options and opportunities. Whether it’s study and career choices now, or how to save and invest money later on in life, understanding how finance works can help build a better future for us all. To help boost the financial literacy of kids across the globe we offer a wealth of online resources and videos to help you learn more about the world of finance.