About the Role
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.
We are building a brand-new team responsible for delivering key components to the next step in Data as a Service (DaaS) – a strategic Data Platform that will enable London Stock Exchange Group (LSEG) to unify, manage, and distribute data in a consistent and scalable way.
As a Lead Software Engineer, you will define and drive the technical direction within a focused product or platform area. You will solve complex engineering challenges, guide others through code, design and architecture, and raise engineering standards across the team and organization. This role blends deep hands-on technical delivery with technical leadership, mentoring, and shaping the long-term quality and resilience of our systems.
Responsibilities
•Design, develop, and deploy applications across all phases of the software lifecycle, ensuring high performance, security, and scalability.
•Architect and evolve distributed systems operating in cloud environments, with a focus on resilience, observability, and efficient operations.
•Build and maintain CI/CD pipelines, ensuring smooth, automated delivery and high-quality releases.
•Collaborate on API development, integration patterns, and service-to-service communication.
•Work with modern infrastructure tooling (Azure, containers, dev containers, IaC) to support fast, reliable deployments.
•Apply expertise in Data Lake, Change Data Feed, AKS and Microsoft Fabric to guide solution architecture and delivery.
•Provide hands-on leadership, supporting engineers through code reviews, design walkthroughs, and architectural discussions.
•Raise engineering quality by influencing standard methodologies, improving reusability, and reducing duplication across the platform.
Requirements
Technical Excellence
•Proven ability to design and implement complex, distributed systems operating at scale.
•Strong programming expertise with the ability to work comfortably with object oriented and functional patterns.
•Good understanding of relational databases.
•Hands on capability with SQL, Spark SQL and core data engineering patterns.
•Strong understanding of system design, integration patterns, and secure communication between services.
•Ability to apply domain knowledge to guide team level technical decisions, improve architecture, and drive consistency.
Leadership & Mentorship
•Own delivery of critical platform capabilities and provide clear technical direction.
•Guide and mentor peers, helping them grow in coding quality, architectural thinking, and engineering standard methodologies.
•Influence technical decisions through hands on leadership, not hierarchy.
•Foster an environment of collaboration, learning, accountability, and continuous improvement.
Customer Focus
•Design solutions with an understanding of how systems behave in real world customer use.
•Take ownership of operational issues, respond quickly to incidents, and use data and feedback to enhance system reliability.
Risk Management
•Advocate for secure, safe delivery across software, infrastructure, and platform layers.
•Dive deep into trade offs, resolve blockers, and build resilience into team systems and practices from the start.
Analytical Approach
•Use data, metrics, and experimentation to validate assumptions and influence design choices.
•Encourage data driven decision making within the team to drive innovation and improvement.
Adaptability
•Promote new engineering methods, challenge outdated practices, and inspire change across teams.
•Invest in ongoing development — of your craft and the team's capabilities — through coaching, feedback, and technical guidance.
Communication
•Tailor communication to both technical and non technical audiences.
•Explain design decisions clearly and build a shared understanding that accelerates delivery.
Conditions
You'll influence the architecture and direction of key systems powering LSEG's global platforms. You'll work with modern technological stacks, collaborate with dedicated engineers, and contribute to solutions with real customer impact, all in an inclusive, growth focused environment.
Career Stage: Manager
LSEG is committed to offering competitive Compensation and Benefits. The anticipated annual gross base salary for this position is between 265,000 zł and 419,000 zł. Please be aware base salary ranges may vary by geographic location. In addition to the base salary, this role is eligible for the Annual Bonus Plan ("bonus plan"). Target Bonus % 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) are typically eligible for inclusion in the LSEG Benefits program, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.
