Lead Developer

London Stock Exchange Group; Greater London; On-site; GBP 80,000 - 110,000; Full time

Benefits offered by this job

Healthcare

Retirement planning

Paid volunteering days

Wellbeing initiatives

Job summary

A leading global financial markets provider is seeking a highly skilled Lead Java Engineer with over 12 years of backend software engineering experience. The role focuses on building the FTSE Russell Index Platform and involves leading projects from start to finish. Candidates must have strong algorithms and data structures skills. Benefits include healthcare, retirement planning, and a culture of inclusivity and sustainability. Join a dynamic organization and help shape the future of finance.

Qualifications

• 12+ years of hands-on backend software engineering experience.
• Ability to translate business problems into scalable solutions.
• Experience leading or mentoring a team of engineers preferred.

Responsibilities

• Lead projects end-to-end through requirements, design, development, testing, deployment, and operations.

Skills

Strong algorithms

Data structures

Problem solving

Scalable solutions

Tools

Spring Boot

Redis

Kafka

BDD frameworks

Job description

**About the Role** We are seeking a highly skilled and hands-on Lead Java Engineer with AI proficiency to help build the next generation FTSE Russell Index Platform. This platform underpins the calculation and distribution of FTSE Russell’s global family of indexes and requires advanced engineering, high precision data processing, and deep collaboration across global teams.This is a deeply technical role focused on designing, building, integrating, and operationalising modern software and AI driven capabilities across internal platforms and client facing products. You will work with innovative technologies, contribute to complex algorithmic design, and drive engineering excellence in a high performance, data intensive environment.**Key Responsibilities** Lead projects end-to-end through requirements, design, development, testing, deployment, and operations.**Required Experience & Skills** 12+ years of hands-on backend software engineering experience.Strong algorithms, data structures, problem solving skills, and ability to translate business problems into scalable solutions.**Preferred / Nice-to-Have Skills** Experience leading or mentoring a team of engineers.Experience within financial services or with financial market data. Familiarity with in-memory caching, Spring Boot, Redis, Kafka.Experience with BDD frameworks such as Cucumber, JBehave, or Karate.Experience running Agile teams. **Benefits**We are looking for intellectually curious people, passionate about the bigger picture of how technology industry is evolving, ready to ask difficult questions and deal with complicated scenarios! If you are creative and a problem solver, this is the place to be as will be supporting you to fast-forward your career!We enhance each employee’s potential through personal development through a wide range of learning tools both formal and informal.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.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.LSEG (London Stock Exchange Group) 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 culture of connecting, creating opportunity and delivering excellence shapes how we think, how we do things and how we help our people fulfil their potential.