Job Description

Lead Software Engineer – React / Fullstack (FX Engineering)

Great opportunity for a Lead Software Engineer (React / Fullstack) to join our FX Engineering team. This group is responsible for building and evolving high-performance FX trading platforms and related services that operate at scale.

We are looking for a hands-on developer who combines deep engineering expertise with strong architectural thinking, mentorship, and a passion for driving high-quality delivery in a fast-paced environment.

We value technical excellence, innovative thinking, continuous learning, and collaborative leadership.

Responsibilities

• Hands on developer, partnering closely with architects, product, and global engineering teams to design and deliver complex, scalable trading solutions.
• Lead the design and development of cloud-native applications, driving best practices across Azure/AWS environments.
• Guide and mentor engineers, fostering a high-performing, collaborative, and inclusive team culture.
• Drive engineering standards, including code quality, testing strategies, CI/CD, and DevOps best practices.
• Partner with product and business stakeholders to translate requirements into robust technical solutions.
• Lead efforts to improve system reliability, observability, and availability, including proactive monitoring and incident resolution strategies.
• Identify and deliver improvements across areas such as performance optimization, cost efficiency, security, and developer experience.
• Champion automation and continuous improvement, red
• Producing manual effort and increasing delivery velocity.

Required Skills

• Strong hands-on experience with JavaScript, TypeScript, and modern frontend frameworks (React preferred)
• Proven experience in a Lead or Senior Engineer role, owning technical direction and delivery
• Deep understanding of distributed systems and cloud architectures (Azure or AWS preferred)
• Demonstrated ability to design and build scalable, high-performance applications
• Strong experience with modern software engineering practices (Agile, CI/CD, automated testing, DevOps)
• Proven track record of leading complex initiatives and delivering results in production environments
• Ability to drive technical discussions, influence decisions, and align cross-functional teams
• Strong problem-solving skills with the ability to navigate and resolve complex, multi-system issues
• Excellent communication and stakeholder management skills

Desired Skills

• Fullstack development experience (backend + frontend)
• Experience in financial markets or trading systems (especially FX)
• Passion for mentoring and developing engineers
• Strong focus on engineering excellence and continuous learning

Career Stage:

Manager

Compensation/Benefits Information:

LSEG is committed to offering competitive Compensation and Benefits. The anticipated base salary for this position is $147,500 - $245,900.Please be aware base salary ranges may vary by geographic location, city and state. In addition to our offered base salary, this role is eligible for our Annual Incentive Plan (AIP/”bonus plan”). Target AIP rates 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 and part-time roles of less than 20 hours per week) are typically eligible for inclusion in our LSEG Benefits program, which includes offerings of: Annual Wellness Allowance, Paid time-off, Medical, Dental, Vision, Flex Spending & Health Savings Options, Prescription Drug plan, 401(K) Savings Plan and Company match. LSEG’s Benefits plan also includes basic life insurance, disability benefits, emergency backup dependent care, adoption assistance commuter assistance etc.

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 and wellbeing initiatives.

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