Senior C++ Developer

HeadHR; Kraków; Hybrid; PLN 240,000 - 360,000; Full time

Job summary

HeadHR is seeking a senior C++ grid automation engineer in Kraków to develop mission-critical real-time software in C++17/20, designed for global power systems. You will collaborate with global R&D and engineering teams and contribute to secure, low-latency solutions in a hybrid work model with 1–2 days in the office.

The role emphasizes multithreading, low-latency design, and cross-platform development for Windows and Linux, including integration with .NET and Rust services, and ongoing

Qualifications

• University degree in computer science, engineering or related field.
• 8+ years of experience in senior technical roles.
• Advanced modern C++17 and C++20 proficiency with RAII, smart pointers, STL, concurrency and memory management.
• Strong experience with multithreading, synchronization primitives, asynchronous IO and real time system design.
• Proficiency with CMake and Visual Studio; cross platform development for Windows and Linux.
• Experience with Docker, Kubernetes, microservices, performance profiling, optimization and low latency systems.
• Understanding of software architecture, secure scalable design and non functional requirements.
• Unit and integration testing knowledge plus excellent problem solving skills.
• Practical experience with power grid management, monitoring, operations and standards, plus SCADA, IED and RTU.
• Experience integrating C++ cores with .NET and Rust runtime services.

Responsibilities

• Design multithreading, synchronization, IO and latency solutions; integrate C++ cores with .NET and Rust runtime services.
• Profile and optimize threading, lock contention, memory allocation, scalability and low latency execution.
• Maintain quality through code reviews, unit testing, SOLID, KISS, DRY and best practices.
• Contribute to architecture reviews, documentation, roadmaps, refactoring, legacy modernization and feature delivery.
• Support dependency, build tooling and secure software supply chain decisions across Linux and Windows.
• Enhance existing systems and new features in an agile cross disciplinary team.

Skills

C++17/20

RAII

Smart pointers

STL

Multithreading

Low latency

Asynchronous IO

CMake

Visual Studio

Windows

Linux

Docker

Kubernetes

Microservices

Profiling

Security

Testing

Power grid knowledge

.NET integration

Rust integration

Education

University degree in computer science/engineering

Tools

Docker

Kubernetes

CMake

Visual Studio

Job description

Project:

• Develop mission critical Grid Automation software in modern C++17 and C++20 for global power systems.
• Build high performance, secure and reliable real time applications with predictable latency, resilience and long term support.
• Collaborate with global R&D, engineering, product and business teams on next generation energy infrastructure.
• Work in a flexible hybrid model from Kraków, with 1 to 2 days per week in the office.

Responsibilities:

• Design multithreading, synchronization, IO and latency solutions; integrate C++ cores with .NET and Rust runtime services.
• Profile and optimize threading, lock contention, memory allocation, scalability and low latency execution.
• Maintain quality through code reviews, unit testing, SOLID, KISS, DRY and best practices.
• Contribute to architecture reviews, documentation, roadmaps, refactoring, legacy modernization and feature delivery.
• Support dependency, build tooling and secure software supply chain decisions across Linux and Windows.
• Enhance existing systems and new features in an agile cross disciplinary team.

Kogo poszukujemy?

Key requirements:

• University degree in computer science, engineering or a related technical field.
• 8+ years of experience in senior technical roles.
• Advanced modern C++17 and C++20 proficiency with RAII, smart pointers, STL, concurrency and memory management.
• Strong experience with multithreading, synchronization primitives, asynchronous IO and real time system design.
• Proficiency with CMake and Visual Studio; cross platform development for Windows and Linux.
• Experience with Docker, Kubernetes, microservices, performance profiling, optimization and low latency systems.
• Understanding of software architecture, secure scalable design and non functional requirements.
• Unit and integration testing knowledge plus excellent problem solving skills.
• Practical experience with power grid management, monitoring, operations and standards, plus SCADA, IED and RTU.
• Experience integrating C++ cores with .NET and Rust runtime services.

Nice to have:

• Practical C# development knowledge.