Ciklum is looking for a Senior Full Stack 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 Full Stack Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. Client reimagines energy to bring net-zero within everyone’s reach. The Clients Platform enables energy utilities to unlock the full value of a radically changing energy system and propel us to a future where renewable energy is sustainable, affordable and accessible for all. From automating and simplifying core operations including billing to create a lower-cost, higher-engagement experience, to optimising energy usage across smart devices in the home, we turn tough challenges into win-win-win outcomes for customers, suppliers and the energy system. Responsibilities: - Design and implement complex web applications using the established approaches and best practices - Improve existing engineering and quality standards in a team and help other team members adopt them - Create CI/CD pipeline by template and/or assist DevOps team in creating more complex pipelines - Participate in the hiring process and technical interview activities - Coach/supervise middle/junior engineers by demand of the project Requirements: We know that sometimes, you can’t tick every box. We would still love to hear from you if you think you’re a good fit! Software Design: - Proficient in different API architectural styles (monolith, microservices, serverless) - Experience in designing solutions using the proper patterns and development standards Software development: - Solid background in Node.js and building high-performance applications - Use of advanced features in Node.js - Use of complex queries and aggregations to databases - Experience with Typescript and React Quality Assurance: - Practical experience with testing approaches and tools - Supporting code quality metrics Software Deployment: - Hands-on experience with application deployment patterns and tools (Docker) - Prior record in infrastructure configuration using AWS - Kafka knowledge 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. Want to learn more about us? Follow us on Instagram, Facebook, LinkedIn. 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.