Ciklum is looking for a Senior C++ Engineer to join our team full-time in Ukraine.
We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.
About the role:
As a Senior C++ Engineer on our Agent team, you’ll design, build, and optimize our real-time endpoint agent using modern C++ across Windows, Mac, and Linux environments. You’ll collaborate closely with product, backend, and security teams to drive end-to-end feature development, leveraging deep OS internals knowledge to protect real-world customer environments.
Responsibilities:
Design and implement scalable, high-performance modules for backup, disaster recovery, and continuous data protection
Develop lightweight, resilient backend components and agents across various OS environments
Contribute to distributed data communication frameworks with a minimal resource footprint
Optimize systems running in large-scale production environments, including containerized and serverless deployments
Collaborate in a fast-paced, team-driven setting to solve complex infrastructure and data resilience challenges
Requirements:
5+ years of experience in C++ and Linux, with deep knowledge of system internals
Strong understanding of scalable, modular software design and architectural patterns
Experience writing reusable C++ libraries
Familiarity with embedded or standalone open-source relational databases
Understanding fundamental design principles behind a scalable application
Comfortable with CI/CD workflows and version control tools (Git)
Experience implementing automated testing and unit tests
Team player, self-driven, excellent communicator
What`s in it for you?
Strong community: Work alongside top professionals in a friendly, open-door environment
Growth focus: Take on large-scale projects with a global impact and expand your expertise
Tailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications
Endless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologies
Flexibility: Enjoy radical flexibility – work remotely or from an office, your choice
Care: We’ve got you covered with company-paid medical insurance, mental health support, and financial & legal consultations
About us:
At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress.
As one of Ukraine’s largest IT companies and a top employer recognized by Forbes, we’ve spent over 20 years delivering meaningful tech solutions. We proudly support diverse talent and military veterans, recognizing their unique skills and perspectives they bring to shaping the future.
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Explore, empower, engineer with Ciklum!
Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.
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