Senior C++ Developer
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Specialization C++ Developer
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Experience Senior
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Location Kraków
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Working mode Hybrid
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Salary B2B: 1 100 – 1 400 PLN/day
Salary: 1100-1400 pln/md on B2B
Remote: hybrid from Kraków (1-2 days per week from the office)
Why choose this offer?
- You can expect a flexible work organization
- The international work environment will give you the opportunity to interact with the English language on a daily basis
- The Jit community will bring you a nice time during regular integration meetings
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Work on cutting-edge technologies supporting the global energy transition
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Collaborate with international teams and industry experts
Project
The project is part of the Grid Automation domain, focused on developing innovative solutions for the power systems of the future. The team is responsible for designing and building high-performance, secure, and reliable software applications using modern C++ (C++17/20), with a strong emphasis on real-time operation, system resilience, and long-term product support.
As part of this initiative, engineers develop mission-critical software that supports energy infrastructure worldwide. The solutions are designed to meet demanding requirements for reliability, efficiency, cybersecurity, and continuous operation in real-time environments.
The role offers close collaboration with global R&D and technology teams, bringing together specialized expertise and advanced engineering capabilities. Team members have a direct impact on the development of next-generation products that help ensure the stability, safety, and modernization of critical power systems. This is an opportunity to work on complex, cutting-edge technologies while contributing to software that delivers long-term value and supports essential infrastructure on a global scale.
Responsibilities you’ll have
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Develop system design in areas like multithreading, synchronization, I/O, and latency requirements for real-time operation
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Develop high-performance C++ cores to managed runtime services (.NET, RUST) with minimal latency overhead
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Implement performance optimization and scalability: profile threading behavior, minimizing lock contention, reducing memory allocations in critical paths, and ensure predictable latency at scale
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Maintain high code quality through code reviews, unit testing, and adherence to SOLID, KISS, DRY and industry best practices
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Participate in system design, best practices and maintaining code quality in performance-critical sections
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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
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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
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Practical Linux development and deployment strategies
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Contribute to achieving business goals by designing, developing, and delivering high-quality software solutions
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Continuously enhance existing systems and contribute to the creation of new features
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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
Expected competences and knowledge
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University degree in computer science, engineering, or a related technical field
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8+ years of experience in senior technical roles
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Advanced proficiency in modern C++ (C++17/20) with deep understanding of RAII, smart pointers, STL, concurrency, and memory management
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Practical knowledge of C# development in plus
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Strong experience with multithreading, synchronization primitives, asynchronous I/O and real-time system design
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Proficiency with building systems (CMake, Visual Studio) and cross-platform development for Windows and Linux
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Experience with containerization technologies (Docker, Kubernetes) and microservices architecture patterns
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Demonstrated experience with performance profiling, optimization, and low-latency systems
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Understanding of software architecture principles and secure, scalable system design
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Excellent problem-solving skills and the ability to tackle complex technical challenges
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Good understanding of unit and integration testing techniques and testing frameworks
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Knowledge of non-functional requirements (performance, scalability, security)
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Practical experience developing systems for power grid management and monitoring
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Understanding of power grid operations and applicable standards
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Experience with industrial automation systems (SCADA, IED, RTU)
Technologies you’ll work with
- C++ 17/20
- RAII, smart pointers, STL
- C#
- .NET, RUST
- CMake, Visual Studio
- Windows, Linux
- Docker, Kubernetes
- Microservices
- SCADA, IED
- SOLID, KISS, DRY
- Agile
Client – why choose this particular client from the Jit portfolio?
Our Client is an established global technology leader driving the digital transformation and innovation required to accelerate the transition toward a carbon-neutral future. Serving customers across the utility, industry, and infrastructure sectors, they provide cutting-edge solutions and services across the entire energy value chain. The organization is actively evolving the worlds energy systems to make them more sustainable, flexible, and secure, while precisely balancing social, environmental, and economic value. With a proven track record and an unparalleled installed technological base spanning well over 100 countries, the company operates on a massive global scale.
About Jit Team
The Human Factor of IT – it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts, to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams.
Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.
Here’s how we get from first “hello”
to “welcome aboard”
You’ll meet with our HR team to discuss your experience, approach to software development, and teamwork. We’ll also verify your English language proficiency as part of the conversation. Then, you’ll take part in a technical interview focused on your skills and problem-solving mindset.
If both interviews go well, we’ll match you with a project aligned with your skills and expectations. You’ll then meet the client – this is where the final project-related decision is made.
Based on feedback and your preferences, we’ll prepare an offer tailored to your experience. We’ll agree on the project, salary, type of contract, and your start date.
We start with a short phone conversation to get to know each other. We’ll talk about your experience, career goals, and motivation, while giving you a chance to learn more about Jit Team and the role.
Depending on the role, you’ll complete a short recruitment task to showcase your skills. We’ll also verify your English language proficiency as part of this stage.
Next, you’ll meet your future Team Leader at our office. We’ll discuss your experience, ways of working, and how your skills match the role, while giving you a better understanding of the team and day-to-day collaboration.
If we’re a good match, we’ll prepare an offer tailored to your experience. We’ll agree on the salary, type of contract, and your start date. Welcome to Jit Team!
Benefits
We believe a great workplace is more than a set of benefits. It’s about trust, long-term relationships, and an environment where people can do their best work.
Jit Academy
Share and gain experience. Jit Academy is a platform serving a mutual knowledge exchange. Lecture others and share your expertise or join the audience.
Jit Communities
Join the group of experts. We ensure constant growth, that’s why we keep building communities dedicated to mutual education.
Growth support
We value people who are looking to develop their skillset. We proudly finance a variety of courses and certifications so that you can gain new competencies.
Jit Summer Office
Gain access to the office located at the very beach in Chałupy. Jit Trailer awaits visits of the team members and their families.
Jit Boats
Cruise the bay thanks to the motorboat awaiting at the Yacht Park in Gdynia. Furthermore, there is a fleet of jet skis and kites located at the beach in Chałupy.
Recommendations program
Would you recommend any IT specialist we could hire? Share the contact and gain a bonus if we hire them.
Flexible work hours
Start the day without haste.
At Jit, we begin and finish the day of work within a certain time frame, in stead of fixed hours.
Bonuses for content creators
We provide bonuses to those willing to participate in industry events as public speakers, and to content creators writing articles for our blog.
Mental health support
Mental health is fundamental. Take advantage of psychologists and psychotherapists’ support and reach for psychoeducational content on the wellbeing platform
Up-to-date equipment
We provide our teams with high-quality gear necessary to work. Choose between MacOs or Windows and work the way you prefer.
Teambuilding events
Meet new, interesting people. We’re dedicated to building human relations and often host informal events that bound our team members.
English lessons
Classes conducted for small groups, lectured
by our teachers, guarantee rapid results.
Private healthcare
Take care of your wellbeing. Members of Jit Team, gain access to a wide range of medical plans provided by Medicover or PZU.
Gym membership card
We provide Multisport and Medicover Sport gym cards so that you can improve your physical condition.
Life insurance
Increase your safety. No matter the form of employment, we provide life insurance plans to our colleagues.
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