Ciklum is looking for a Expert Go 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 Expert Go Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. Our Client is a cybersecurity company that secures private cellular (solo) networks used by large enterprises, including Fortune 100 companies. Its platform provides purpose-built security and operational visibility for isolated cellular networks that traditional security solutions cannot protect.
Join our talented R&D team to create groundbreaking products in a rapidly growing market. You’ll collaborate closely with the Client’s product team to develop and implement innovative features from conception to deployment. As a key contributor, you’ll build and maintain our core product offering, ensuring scalability, performance, and stability.
Responsibilities: * Design and lead complex backend systems in Go as part of a large-scale cybersecurity product * Drive architecture for scalable, concurrent, distributed services * Work on an event-driven backend architecture, leveraging message brokers (e.g. Kafka / NATS) * Implement and optimise Go concurrency mechanisms (goroutines, channels, synchronisation primitives) * Build scalable, reliable services running on Kubernetes-based infrastructure * Own code quality end-to-end: design, implementation, testing, and production readiness * Collaborate within a cross-functional squad (backend, frontend, QA, DevOps as enablers) * Mentor engineers and influence long-term technical direction * Follow and help shape engineering standards and best practices * Participate in technical discussions, reviews, and architectural decisions within the team
Requirements: * 4+ years of experience developing backend systems * Strong knowledge, experience, and proficiency with Go programming language * Extensive experience with large-scale databases (PostgreSQL, Neo4j) * Familiarity with microservices architecture and cloud design patterns * Experience in developing distributed, event-driven systems * Broad knowledge of container ecosystem and orchestration tools (Docker, Kubernetes) * Experience with AWS cloud services * Proficiency in REST API, gRPC, message brokers (Kafka/NATS), and server-side API integration * Background in cybersecurity, Linux, and networking
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. Can’t wait to see you at Ciklum.
