Senior C++ Engineer

Future Talent: Senior C++ Engineer (Talent Community – Sri Lanka)

Location: Colombo, Sri Lanka

Position Type: Future Opening – Talent Pipeline

The Opportunity

We are constantly looking for the best C++ minds in Sri Lanka to join us in building high-performance, mission-critical systems. While we have a number of roles open with specific requirements, this dedicated Talent Community allows us to connect and engage with strong engineers early and on an ongoing basis for current and future roles at LSEG.

By joining our talent community, you’ll get an inside look at our engineering culture, meet our team through informal catch-ups, and be the first to know when a role that fits your expertise opens up—allowing us to move straight to final-stage conversations when the time is right.

What You’ll Do (When You Join Us)

You will be a hands‑on senior C++ engineer building deterministic, ultra‑low‑latency systems used in financial markets. Your primary responsibility is owning and evolving performance‑critical paths —from market data ingestion to order handling—while providing technical guidance through design quality and performance sign‑off.

Architect & Build: Design and develop scalable, high-performance C++ applications.

• •Optimize: Conduct deep-dive performance tuning, memory analysis, and kernel-level optimizations.
• •Collaborate: Work within an Agile framework alongside cross-functional teams to translate business requirements into technical reality.
• •Mentor: Share your expertise with the wider engineering community in Sri Lanka through code reviews and knowledge-sharing sessions.

What We Look For

We value technical mastery and a continuous learning mindset. If you have the following, we’d love to start a conversation:

Academic Foundation: A Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.

C++ Expertise: Strong proficiency in modern C++ (C++11/14/17/20) and a solid grasp of STL and Boost. Solid understanding of object lifetime, memory management, and ownership.

• •System Knowledge: Familiarity with Linux/Unix environments, multithreading, concurrency, and real-time systems.
• •Tooling: Experience with build and debug tools like CMake, GDB, Valgrind, Vtune, Git, ASAN/TSAN.
• •Problem Solving: An analytical mindset capable of troubleshooting complex bottlenecks and system failures.

Why Connect Now?

• •Skip the Line: When we open a role, candidates in our talent pool are prioritized for the final interview stages.
• •Exclusive Insights: Receive updates on our technical roadmap and invites to our private tech meetups or webinars.
• •Career Alignment: We’ll keep your career goals in mind and reach out only for roles that match your specific interests (e.g., Low-latency, Embedded Systems, or AI).

How to Join

Interested in a future with us? Simply upload your CV and a brief note about what kind of C++ challenges you're passionate about. We’ll review your profile and reach out for an introductory "get-to-know-each-other" chat.

Career Stage:

Senior Associate

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.

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.