C++ 20 Specialist

Lseg; Gdynia; On-site; PLN 382,000 - 637,000; Full time

Job summary

LSEG is seeking an experienced C++20 Developer to contribute to next-generation capital markets technology. You will work on mission-critical applications, employing the latest C++20 features to broaden platform capabilities across data sets and business verticals.

Join a team that translates high-quality raw data into actionable insights, supports advanced trading and data systems, and embraces state-of-the-art hardware and software innovations.

Qualifications

• Strong C++20 skills with hands-on experience in a Linux environment.
• Excellent problem-solving and communication abilities.
• Proven ability to collaborate with sales, product development and client support teams.

Responsibilities

• Develop high-quality, reusable C++20/23 code for capital markets applications.
• Solve complex problems affecting a broad range of market participants.
• Collaborate with adjacent business functions to deliver integrated solutions.
• Provide Level 3 support and enhance client service experiences.

Skills

C++20

Linux

English comms

Problem solving

Tools

Solarflare

FPGA

tcpdump

Wireshark

Perf

Kernel Bypass

ASan

MSan

UBSan

Tsan

Job description

We have an immediate opening for an experienced C++20 Developer. We’re building the next generation of capital markets technology. Global capital markets are an ocean of fast-moving, interrelated, and complex data. We are looking for passionate and enthusiastic problem-solvers with expertise in capital markets data to join us as we continue providing technology innovation and support to the world’s leading global capital markets companies.

Current strategic pursuits

In this role, you will be part of a talented and open-minded software team that works on mission-critical applications within capital markets technology. You will have the opportunity to contribute to all phases of the development lifecycle – from suggesting the use of emerging technologies to designing, integrating, and upgrading complex architecture. We’re looking for outstanding C++20 developers interested in employing the latest features of C++20 to increase our platform’s functionality across asset classes, data sets, and business verticals. Developers on our team have the rare opportunity to work on challenging and important problems as they transform high-quality raw data into actionable insight.

Duties include

• Develop – Write extremely high-quality, reusable, and reliable C++20/23 code
• Problem solve – Use code to solve challenging problems that affect a wide range of capital markets players
• Collaborate- Interact with adjacent business functions including sales, product development, and client support
• Level 3 support – analyze and solve complex problems, proactively work to enhance our support functionality, and client service experience. Occasional technical conversation with customers.
• Exchange specialist – Research and comprehend exchange rules and formats for both public market data and order entry systems
• New technology – Work with state-of-the-art hardware (top-line CPUs, NVME, Solarflare, ExaNIC)
• Research – Explore and implement new advanced C++ features and frameworks

Work Qualifications

• Excellent C++ skills, including hands-on experience with C++20 or later
• Extensive experience with C++20 in a Linux environment
• Strong work ethic and a commitment to seeing tasks through
• Excellent problem-solving skills
• Superb English communication

Nice to have

• Experience with Solarflare, low-latency NICs and FPGA
• Experience with market data capture
• Experience with perf and Kernel Bypass technologies
• Knowledge of network protocols and familiarity with tools like tcpdump and Wireshark
• Experience with sanitizers like, ASan, MSan, UBSan, Tsan

Career Stage

Manager

Compensation Information

LSEG is committed to offering competitive Compensation and Benefits. The anticipated annual gross base salary for this position is between 86,700 € - 144,500 €. Please be aware base salary ranges may vary by geographic location. In addition to our offered base salary, this role is eligible for our 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.

Benefits Information

LSEG roles (excluding internships) are typically eligible for inclusion in our LSEG Benefits program. To view the benefits available for the role you’re applying for, please click here. This document provides a list of benefits by country. Simply click on the country where the role is based to view the relevant details. If you have specific questions or would like further details, these can be discussed during your interview.

LSEG unlocks the power of markets to create opportunities across the global economy.

Through our connected network of market infrastructure, data and analytics, we help customers access capital, manage risk and make confident decisions.

Our insights bring clarity to complex markets, and our trusted services ensure resilience and stability. With deep expertise and global scale, we partner with customers to drive innovation and shape the future of finance.

Few organisations operate at the scale, complexity and reach of LSEG. Here, you’ll work alongside experts, be inspired to deliver your best work and help shape what’s next for our business and the global economy.

Guided by our values of Integrity, Partnership, Excellence and Change, we bring together diverse perspectives, encourage fresh thinking, and create an environment where learning never stops.

Join more than 26,000 colleagues across 60 countries, supporting customers in over 170 countries. Alongside flexible ways of working, you’ll have access to benefits that support your wellbeing and your future, including 26 weeks' parental leave, healthcare, retirement planning and a wellness allowance. Through the LSEG Foundation and two paid volunteering days each year, you’ll also have opportunities to get involved in your local community and support causes that matter to you.

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.

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.

LSEG. Make more possible.