C++ Technical Leader

Societe Generale Global Solutions Centre (SG GSC) acts as a business solution center for Societe Generale, one of the largest European financial groups. We provide high-quality professional services for more than 35 countries in various fields of activity – Finance & Accounting, HR, IT and Corporate Operations. Our mission is to be a partner of choice, valued for owning, transforming and innovating through best in class talent.

RESPONSIBILITIES

GBTO – Global Business Technology Unit, along with other service structures, is an entity which delivers high quality services for the GBIS (Global Banking Investor Solutions) of Société Générale. It is a big organization spread around the globe with a central Hub in Paris.

From a geographical point of view, GBTO covers the most important financial places: New York, London, Hong-Kong and Paris. Nearshoring and offshoring are part of the Digital New Ambition and as of today there are 3 hubs on which GBIS relies on: Bangalore, Montreal and Bucharest, the GBTO Bucharest HUB being mainly for Paris based activities, but not limited to it.

The Market Access team is developing and maintaining exchange connectivity and high-performance front-to-back office systems. All development is leveraging on a common framework developed in Asia, Europe and Americas. Increasing demands on the order management system and the data feed distribution architecture implies the implementation of new and innovative technical solutions. Those solutions often involve significant manpower, with very diverse technical skills (networking, system, real-time algorithm, market data…).

The Technical Leader is the technical authority for C++‑based applications, responsible for technical design, implementation quality, performance, and long‑term sustainability of the systems delivered by the team.
Building on strong C++ expertise, the Technical Leader guides, coaches, and enables the team, while remaining actively involved in complex technical topics and architectural decisions.

This role focuses on technical leadership, engineering excellence, and collective ownership.

Key Responsibilities

Technical Leadership & Architecture

• Act as the technical reference for C++ development within the team.
• Define and co‑design the technical architecture in collaboration with the team and architects.
• Ensure high‑performance, low‑latency, and reliable designs for critical systems.
• Validate technical choices, frameworks, and libraries used in the C++ stack.
• Guarantee coherent integration of the application within the global Information System.

Hands‑On Development

• Contribute directly to complex or critical C++ developments.
• Review and validate code to ensure robustness, performance, and maintainability.
• Support the team in troubleshooting production issues, performance bottlenecks, and memory issues.
• Promote modern C++ standards and best practices (C++17/20).

Quality, Performance & Reliability

• Be accountable for:
  • Code quality and technical debt management
  • Performance, latency, and scalability
  • Stability and resilience of production systems
  • Security and obsolescence management
• Ensure quality is a shared responsibility across the team.
• Promote engineering best practices:
  • Clean code
  • Unit and integration testing
  • Code reviews
  • Continuous refactoring

Team Enablement

• Support the team during technical design sessions, refinement, and problem‑solving workshops.
• Coach developers on C++ best practices, performance optimization, and system design.
• Facilitate knowledge sharing and skill transfer within the team and technical chapter.
• Help the team become autonomous and accountable for technical decisions.

Technology Watch & Continuous Improvement

• Maintain an active technology watch on C++, tooling, compilers, performance profiling, and architectures.
• Initiate and contribute to Proofs of Concept (PoCs) when relevant.
• Promote continuous improvement of development practices and tooling.

Required/Must have:

·       Strong object-oriented programming skills

·       Strong technical skills in C/C++, LINUX, client server development

·       Strong knowledge on messaging technologies, network protocols (TCP/IP), socket programming, concurrent programming

·       GNU development tools (gcc, gdb, make)

·       Python scripting

·       Bash scripting

·       Source control tools

·       Unit testing tools

·       Basic knowledge in financial instruments

·       A master degree or equivalent

You should know that our employees can dedicate several days per year to solidarity actions during their working hours, including sponsoring people struggling with their orientation or professional integration, participating in the financial education of young apprentices, and sharing their skills with charities. There are many ways to get involved.

We are an equal opportunities employer, and we are proud to make diversity a strength for our company. Societe Generale is committed to recognizing and promoting all talents, regardless of their beliefs, age, disability, parental status, ethnic origin, nationality, sexual or gender identity, sexual orientation, membership of a political, religious, trade union or minority organization, or any other characteristic that could be subject to discrimination.