Lead Software Engineer

LSEG; Nottingham; On-site; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Healthcare

Retirement planning

Paid volunteering days

Wellbeing initiatives

Job summary

London Stock Exchange Group (LSEG) is seeking a Lead Software Engineer with a strong C++ background to drive design and delivery of high‑impact FX engineering products. You will lead architecture decisions, mentor engineers and deliver robust software in an AI‑forward environment.

Join a global team and work across cross‑functional partners to shape strategy, deliver scalable infrastructure, and contribute to innovative financial market solutions.

Qualifications

• Bachelor's degree in Computer Science or related field
• Strong programming experience in C++ and at least one other language
• Experience with REST/WebSocket, Kafka, SQL and Redis preferred
• Proven delivery experience in software engineering
• Familiarity with cloud platforms and CI/CD practices

Responsibilities

• Act as a subject matter expert on design, development and implementation
• Deliver high-quality software solutions and tooling
• Lead projects and guide team delivery
• Collaborate with architects and product teams to define Epics and stories
• Apply engineering patterns to deliver robust solutions
• Maintain stakeholder relationships and communicate complex concepts

Skills

C++

Java

Rest/WebSocket

Kafka

SQL

Redis

Azure PaaS

Terraform/Helm

GitLab CI

Business/Technical Analysis

Certifications

Education

Bachelor's degree in Computer Science or related field

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 PROFILE:

The successful candidate will collaborate with colleagues across the organisation to build and implement the technical strategy for a set of Engineering Products within our FX group. They will ensure business requirements are applied and lean on their experience of software engineering and development lifecycles to lead change in exciting software challenges and customer solutions.

ROLE SUMMARY:

The Workflows Engineering team are recruiting a C++ Lead Software Engineer to play a crucial role in our organisation. The successful candidate will become part of an engineering team addressing complex challenges and taking these to resolution. This provides a phenomenal opportunity for individuals who enjoy solving a variety of problems and who relish the chance to lead the resolution of exciting and new challenges on a regular basis. In an era of rapidly evolving AI capabilities, we’re seeking engineers who bring experience with established development tools and technologies, alongside the vision and ambition to integrate them into modern, AI-first ways of working and delivering value.

WHAT YOU’LL BE DOING:

• Act as a subject matter expert, advising on design, development, and implementation
• Deliver high-quality solutions through expert coding and tooling
• Own workload while contributing to an open, inclusive team culture
• Serve as a domain point of contact, with deep expertise and awareness of cross-domain dependencies
• Align work to technology/domain strategy and support its delivery; contribute to strategy where relevant
• Build understanding of the market and LSEG’s commercial position
• Lead projects autonomously, delegating where needed and supporting team delivery
• Partner with architects to define and implement solutions
• Lead design and planning for Epics, breaking them into stories with Product and QA
• Apply and adapt engineering patterns to deliver robust solutions
• Build and maintain strong internal and external stakeholder relationships
• Communicate complex technical concepts clearly to varied audiences
• Continuously develop technical and industry expertise (e.g. certifications, qualifications)

WHAT YOU’LL BRING:

• Strong programming skills in at least one language (C++ preferred; Java/others a plus)
• Experience in 3+ of:
• REST / WebSocket
• Kafka (event-driven messaging)
• SQL (Oracle / SQL Server)
• Redis
• Azure PaaS (Event Hub, Azure SQL, Kubernetes, Azure Cache, etc.)
• Terraform / Helm
• GitLab CI (or AWS equivalents)
• Exposure to at least one of: Business/Technical Analysis, QA, Delivery Management, or Emerging Tech & Governance
• Consistent track record in software development and delivery technology and industry expertise through certifications, professional qualifications
• Experience or familiarity with financial messaging protocols - particularly FIX is desirable
• Occasional out of hours work, including overnight and at weekends and Bank Holidays may be requested, as well as on-call technical support.

Career Stage:

Manager

London Stock Exchange Group (LSEG) Information:

Join us and be part of a team that values innovation, quality, and continuous improvement. If you’re ready to take your career to the next level and make a significant impact, we’d love to hear from you.

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.

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.

You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.

LSEG offers a range of tailored benefits and support, including:

• healthcare
• retirement planning
• paid volunteering days
• wellbeing initiatives

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.