Senior C++ Developer

Role Summary

We are seeking an experienced R&D Software Developer focused on C++ application development to join our technology organization.

In this role, you will develop, high-performance, and secure software systems built with modern C++ (C++17/20), with a strong focus on real-time behavior, reliability, and long product lifecycle support.

As an R&D Software Developer within the Grid Automation domain, you will help shape innovative solutions for the power systems of tomorrow.

You will work closely with global technology teams that bring niche expertise and cutting-edge capabilities. Your work will directly support the development of real-time software used in critical infrastructure worldwide software designed for long-term reliability, high efficiency, and uncompromising security.

We value diverse experience and fresh perspectives. Even if you do not meet every listed requirement, we encourage you to apply. We are excited to learn more about you and the unique strengths you can bring to our team.

Responsibilities

How you'll make an impact

• Develop system design in areas like multithreading, synchronization, I/O, and latency requirements for real-time operation.
• Develop high-performance C++ cores to managed runtime services (.NET, RUST) with minimal latency overhead.
• Implement performance optimization and scalability: profile threading behavior, minimizing lock contention, reducing memory allocations in critical paths, and ensure predictable latency at scale.
• Practical usage of modern programming practices and techniques based on the latest C++ standard.
• Maintain high code quality through code reviews, unit testing, and adherence to SOLID, KISS, DRY and industry best practices.
• Participate in system design, best practices and maintaining code quality in performance-critical sections.
• Participate in technical architecture reviews, design documentation, and roadmaps for feature development, refactoring initiatives, and legacy code modernization.
• Collaborate with engineering, product, and business stakeholders to transform requirements into clear architectural designs.
• Support strategic technology decisions on dependencies, build tooling, dependency management, and secure software supply chain practices.
• Maintain cross-platform support: drive modernization of build systems, ensure consistency across multiple deployment environments, and support Linux/Windows compatibility.
• Practical Linux development and deployment strategies.
• Contribute to achieving business goals by designing, developing, and delivering high-quality software solutions.
• Continuously enhance existing systems and contribute to the creation of new features.
• Work effectively within an agile environment, continually expanding your technical expertise and understanding of the business domain.
• Actively participate in a cross-disciplinary team and contribute to shared objectives.

Requirements

• University degree in computer science, engineering, or a related technical field.
• 8+ years of experience in senior technical roles.
• Advanced proficiency in modern C++ (C++17/20) with deep understanding of RAII, smart pointers, STL, concurrency, and memory management.
• Practical knowledge of RUST development in plus.
• Strong experience with multithreading, synchronization primitives, asynchronous I/O and real-time system design.
• Proficiency with building systems (CMake, Visual Studio) and cross-platform development for Windows and Linux.
• Experience with containerization technologies (Docker, Kubernetes) and microservices architecture patterns.
• Demonstrated experience with performance profiling, optimization, and low-latency systems.
• Understanding of software architecture principles and secure, scalable system design.
• Excellent problem-solving skills and the ability to tackle complex technical challenges.
• Good understanding of unit and integration testing techniques and testing frameworks.
• Knowledge of non-functional requirements (performance, scalability, security).
• Practical experience developing systems for power grid management and monitoring.
• Understanding of power grid operations and applicable standards.
• Experience with industrial automation systems (SCADA, IED, RTU) in plus.
• Experience with industrial protocols and standards (IEC-60870-5-104, DNP3, OPC UA, IEEE C37.118) in plus.
• Practical experience working directly with power grid industry clients.
• Proven ability to translate customer requirements into clear technical designs.
• Effective team player with strong communication skills and willingness to learn.
• Excellent command of English (written and spoken).

More About Us

At Hitachi Energy, we recognize that our people are at the heart of our success. We are committed to providing a supportive and inclusive workplace, competitive rewards, and opportunities for professional and personal growth. Our benefits package is designed to help employees thrive both at work and in their personal lives.

Benefits

Our benefits offering for this role generally includes

• Private medical care and life insurance
• Access to fitness and wellness programs
• Access to benefits platform with discounts and perks
• Employee Capital Plans (PPK)
• Equipment for working from home or allowances for setting up a workplace at home
• Spectacles and contact lenses allowance
• Company events and team-building activities
• Psychological support program
• Free parking available
• Add if applicable: additional benefits may apply depending on the role, grade, and business requirements.
• You will receive more specific information during the recruitment process.
• Apply now
• Current employees apply here

About the Company

More About Us

We believe great work thrives in an environment where people feel genuinely supported and fairly rewarded. Our benefits are designed to create real value for every individual - fueling engagement, performance, and growth. By prioritizing well-being, we build a workplace where personal and organizational success grow together.

Our benefit offering is tailored based on your country of employment and generally includes:

You will receive more specific information during the recruitment process.

Applicable only for Poland location align with local law regulations - We are committed to full transparency and compliance with all legal requirements, ensuring that every candidate knows exactly what to expect at each stage of the recruitment process. Once the process is successfully completed, we will share detailed information about financial conditions and benefits with the selected candidate. Before signing the employment contract, you will receive all remaining details of the offer, giving you the time and space to review everything carefully

Apply now

Current employees apply here

Competitive salary and incentives

Well-being and care

Paid and unpaid leave

Flexible work options

Benefits that support your financial security