Technical Lead – C++

Company: LSEG
Apply for the Technical Lead – C++
Location: London
Job Description:

Technical Lead – C++, Securities Technology

Part of the London Stock Exchange Group (LSEG), LCH is a leading clearing house, serving major international exchanges and platforms, as well as a range of OTC markets. In particular, LCH is a leading CCP in Equity and Repurchase agreement (Repo) businesses, providing clearing services for most European Government debts (refinancing/repo transactions) and Equities trading venues (Exchanges and MTFs). LCH works closely with market participants to identify and develop innovative clearing solutions and other digital products to enhance clearing experience. The department is looking to onboard a Technical Lead to help deliver business change, while also improving our SDLC and time to market.

Key Responsibilities

  • Understanding the flow of code and how it interacts with different components and good software design principles.
  • Understanding project documents, customer demands, and product objectives to create and execute test cases.
  • Working on ways to automate and improve existing release processes.
  • Setting up, maintaining test automation frameworks, and building test scenarios and acceptance tests.
  • Investigating customer problems referred to you by the technical support team, testing bugs.
  • Working with Product Owners and end user to define and scope delivery.
  • Handling technical communications and understanding existing systems.
  • Working with deployments teams, coordinating on product design, and offering inputs on the testability of functional elements and product designs.
  • Researching test tools, methodologies, and trends and upgrading existing practices and processes.
  • Managing the final quality on production release.
  • Architecting systems with resilience and high availability.

Candidate Profile / Key Skills

  • 14+ years of experience in OO Development in C++
  • Experience in design and development of distributed systems.
  • Sound knowledge in modern versions of C++ (11 onward)
  • Excellent knowledge of inter process communication
  • Experience using and building CI/CD pipelines
  • Knowledge of databases and SQL.
  • Linux/Unix experience is essential.
  • Server-side Development is a must.
  • Sound conceptual / technical knowledge of modern IT infrastructure stack
  • Autonomy, problem solving skills.
  • Effective communication skills (written and oral).
  • Understand how to build highly resilient solutions
  • Conversational level or above in English.

Non-Essential Skills

  • Working knowledge in Java
  • AWS or another Cloud provider
  • Redhat Linux
  • Scripting knowledge Bash/Perl/Python

Career Stage

Manager

EEO Statement

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.

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Posted: May 17th, 2026