Tech Lead C++

Selby Jennings; Dublin; Hybrid; EUR 120,000 - 160,000; Full time

Benefits offered by this job

Hybrid working

Relocation support where applicable

Competitive compensation package

Job summary

Selby Jennings in Dublin is looking for an experienced C++ Tech Lead to guide a team building high-performance trading systems for a real-time, data-driven environment. You will shape technical direction, mentor engineers and collaborate with traders and researchers to deliver scalable solutions.

You will own architecture decisions, drive performance optimisations, and balance hands-on coding with leadership.

Qualifications

• Strong experience developing complex systems in modern C++.
• Proven track record leading or mentoring engineering teams.
• Deep understanding of software architecture, multithreading and performance optimisation.
• Excellent communication with both technical and non-technical stakeholders.

Responsibilities

• Lead and mentor a team of C++ engineers, providing technical guidance and promoting engineering best practices.
• Drive the design and development of mission-critical, high-performance systems.
• Collaborate with trading and quantitative teams to translate business requirements into technical solutions.
• Own architecture decisions, code quality, and long-term technical strategy.
• Optimise systems for performance, scalability, reliability and maintainability.
• Contribute to hands-on development while balancing leadership responsibilities.
• Foster a collaborative and high-performing engineering culture.

Skills

C++

Leadership

Multithreading

Performance optimisation

Communication

Tools

Linux

Python

Distributed systems

Job description

A leading quantitative trading and technology firm is looking for an experienced C++ Tech Lead to join its Dublin office. This is an opportunity to lead a team building high-performance trading systems that operate in a highly demanding, real-time environment where technology is a key driver of business success.

Working closely with engineers, traders and quantitative researchers, you'll help define technical direction, mentor developers, and deliver scalable, low-latency solutions that directly impact trading performance.

Responsibilities

• Lead and mentor a team of C++ engineers, providing technical guidance and promoting engineering best practices.
• Drive the design and development of mission-critical, high-performance systems.
• Collaborate with trading and quantitative teams to translate business requirements into technical solutions.
• Own architecture decisions, code quality, and long-term technical strategy.
• Optimise systems for performance, scalability, reliability and maintainability.
• Contribute to hands-on development while balancing leadership responsibilities.
• Foster a collaborative and high-performing engineering culture.

Requirements

• Strong commercial experience developing complex systems in modern C++.
• Previous experience leading or mentoring engineering teams.
• Deep understanding of software architecture, multithreading, concurrency and performance optimisation.
• Strong problem-solving skills and a track record of delivering large-scale projects.
• Experience working in performance-sensitive environments.
• Excellent communication skills and the ability to work effectively with both technical and non-technical stakeholders.

Desirable

• Experience in quantitative trading, capital markets, market making or other fast-paced financial environments.
• Knowledge of Linux, distributed systems and low-latency development.
• Familiarity with Python or other scripting languages.

What's on Offer

• Opportunity to lead a talented engineering team within a technology-driven business.
• Direct exposure to trading and quantitative research teams.
• Highly collaborative environment with significant ownership and autonomy.
• Competitive compensation package including strong bonus potential.
• Hybrid working and relocation support where applicable.

This role would suit a senior C++ engineer or existing technical lead who enjoys combining hands-on engineering with leadership responsibilities while working on complex, performance-critical systems.