Senior Software Engineer

Luxoft; Kraków; On-site; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Laptop

Monitor

Job summary

Luxoft in Kraków is seeking an experienced C++ developer to design, build, and enhance global client connectivity trading systems. You will contribute to architecture decisions and implement functionality to meet client requirements and regulatory changes.

The role focuses on high-performance, low-latency systems in a global trading environment with opportunities to advance DevOps practices, CI/CD, and cross-border collaboration with analysts and stakeholders.

Qualifications

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

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.

Skills

C++ development

Multithreading

STL

Socket programming

Linux/Unix

FIX protocol

Trading domain

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 Description:

• - 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.

What do we offer our employees

• Equipment, such as a laptop and monitor