C++ Software Engineer (financial services/trading domain)

Luxoft; Wrocław; On-site; PLN 200,000 - 260,000; Full time

Job summary

Luxoft seeks an experienced C++ developer to design, implement, and optimize global client connectivity trading systems for a multi-year modernization program. You will work on high-performance, low-latency components in Linux/Unix environments, collaborating with global teams and stakeholders across IT and business units to address market regulatory changes.

The role emphasizes architectural contribution, DevOps evolution, and delivering reliable, scalable solutions in a trading environment.

Qualifications

• 5–7 years hands-on C++ development, including multithreading, data structures, STL, casting, templates, pointers, socket programming, and algorithms.
• Strong programming experience in Linux/Unix environments.
• Proven development experience in financial services/trading, including order management systems, FIX protocol, and order-state handling.
• Experience designing high-performance, highly available, low-latency, transaction-oriented distributed systems.
• Good understanding of equity trading environments in a multi-regional/global setting.
• Excellent communication skills for IT and business stakeholders.

Responsibilities

• Design, develop, and enhance global client connectivity trading systems.
• Contribute to architectural decisions and solutions for complex technical challenges.
• Develop functionality to support client requirements and market regulatory changes.
• Improve system performance, reliability, and maintainability.
• Support modernisation of existing connectivity platforms.
• Evolve the delivery ecosystem toward DevOps, CI, and CD.
• Collaborate with analysts, developers, and business stakeholders across global teams.
• Participate in configuration management, releases, and post-implementation support.

Skills

C++

Multithreading

Linux

Financial trading

Low latency

Communication

Tools

Java Core

Collections

Reflection

Job description

The project focuses on global client connectivity trading systems, including A4, A4FIX, FIXAJ, and BlueDirect. The team is undertaking a multi-year initiative to modernize existing connectivity platforms, enhance system performance, introduce new functionality, and address evolving market regulatory requirements. The project operates in a global environment, bringing together technical and business stakeholders to solve complex challenges and make architectural decisions.

Responsibilities

• Design, develop, and enhance global client connectivity trading systems.


• Contribute to architectural decisions and solutions for complex technical challenges.


• Develop functionality to support client requirements and market regulatory changes.


• Improve system performance, reliability, and maintainability.


• Support the modernization of existing connectivity platforms.


• Help evolve the delivery ecosystem toward a DevOps approach, continuous integration, and continuous delivery.


• Collaborate closely with analysts, developers, and business stakeholders across global teams.


• Participate in configuration management, releases, and post-implementation support.

Mandatory Skills

• 5–7 years of hands-on C++ development experience, including multithreading, data structures, STL, casting, templates, pointers, socket programming, and algorithms.


• Strong programming experience in Linux/Unix environments.


• Proven development experience within the financial services/trading domain, including order management systems, the FIX protocol, and order-state handling.


• Experience designing and developing high-performance, highly available, high-throughput, low-latency, high-capacity, transaction-oriented distributed systems.


• Strong understanding of equity trading environments, ideally within a multi-regional or global setting.


• Excellent communication skills, with the ability to explain complex functional and non-functional concepts clearly to both IT and business stakeholders.

Nice-to-Have Skills

• Previous experience developing or supporting client connectivity systems, preferably within a trading environment.


• Experience with Java, particularly Core Java, Collections, and Reflection.


• Experience providing Level 3 (L3) development support in demanding, production-critical environments.