Senior C Developer

Ciklum is looking for a Senior C Developer 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 Developer, become a part of a cross-functional development team engineering experiences of tomorrow.

Responsibilities:Design and research high-performance lightweight network security monitoring and deception solutionDevelop back-end and agents from the ground up, design distributed communication applications with an extremely low footprintWork with a myriad of operating systemsTackle new weave performance and scale issues, running on production servers in a state of the art data-centers, including cutting-edge technologies such as containerized and serverless environmentsBe a part of a professional team working on varied projects in a dynamic working environment

Requirements:At least 4 years of experience with C or C++Deep knowledge of the networking stack and socket programmingExperience working with multithreaded applicationsExperience working with Linux/Unix-like systemsNetwork security – FW, IPS, Attacks (DDoS, Reply, MITM)

Desirable:Python knowledgePrevious experience working on security-based projectsBackground in reverse engineering (e.g. work with IDA, WinDBG)BSc in computer science or related degree

What's in it for you?Care: your mental and physical health is our priority. We ensure comprehensive company-paid medical insurance, Mental Health programs, as well as financial and legal consultationsTailored education path: boost your skills and knowledge with our regular internal events (meetups, conferences, workshops), Udemy license, language courses and company-paid certificationsGrowth environment: share your experience and level up your expertise with a community of skilled professionals, locally and globallyOwn your schedule – you are the one to decide when to start your working day. Just dont miss your regular team stand-upOpportunities: we value our specialists and always find the best options for them. Our Internal Mobility Program helps change a project if needed to help you grow, excel professionally and fulfill your potentialGlobal impact: work on large-scale projects that redefine industries with international and fast-growing clientsWelcoming environment: feel empowered with a friendly team, open-door policy, informal atmosphere within the company and regular team-building events

About us:Discover the pros of 20-year global experience! Join one of the largest IT companies in Ukraine, awarded as one of the top 10 employers in Ukraine by Forbes.Boost your skills and make a difference with cutting-edge projects, skilled colleagues and the latest tech stacks.Ciklum has been recognised as a veteran-friendly business by the Veteran Hub in Ukraine.We're committed to creating a welcoming environment for veterans and developing processes that meet their needs. We value the skills and unique perspectives military veterans can bring to our business and are willing to support their transition to civilian life.

Be bold, not bored!Interested already? We would love to get to know you! Submit your application. Can’t wait to see you at Ciklum.

Key Skills

• Linux
• Python