Node.js Backend Engineer

Job Description Ciklum is looking for a JavaScript (Node.js) Engineer to join our team full-time in Slovakia. 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 JavaScript (Node.js) Engineer, become a part of our team and work directly with our partner, a leading global provider of credential security and password management solutions. Our partner’s mission is to deliver the credential security every business and employee needs to thrive. Millions of consumers and over 25,000 enterprise clients worldwide trust their platform for industry-leading innovations, zero-knowledge security, and an unmatched user experience. The work we do together directly impacts millions of digital identities by optimizing partner onboarding ecosystems and administrative workflows globally. In this role, you will be fully integrated into our partner’s engineering team. You will work alongside Senior and Staff engineers to modernize server-side architecture, scale system integrations, and incorporate AI tools into the software development lifecycle to accelerate delivery. Responsibilities Collaborative Development: Partner closely with Product, Project, and Quality Engineering teams to deliver stable, high-impact features within an agile environmentEnd-to-End Execution: Implement backend projects from end-to-end writing clean, maintainable code, writing automated tests, and managing application deploymentSystem Modernization: Modernize server-side systems handling identity management, user provisioning, and corporate onboarding workflowsScale & Integrations: Build and maintain cloud services, RESTful APIs, and strategic third-party partner integrationsEngineering Quality: Monitor application health in cloud environments, participate in design reviews, and continuously share technical knowledge with the team Requirements Experience: 4+ years of overall software development experience, with at least 3+ years focused on backend application developmentCore Tech: Strong hands-on proficiency in Node.js and TypeScriptCloud Infrastructure: Practical experience with AWS (e.g., EC2, ECS, S3) or equivalent hyperscalersDatabases: Solid working knowledge of relational databases (e.g., MySQL on RDS Aurora) and caching solutions (e.g., Redis)DevOps & Delivery: Proven ability to build, deploy, test, and monitor cloud applications using CI/CD tools (e.g., GitLab CI) and observability suites (e.g., Datadog, ELK stack)AI Fluency: Comfortable leveraging personal AI coding platforms (e.g., Claude Code, GitHub Copilot) to streamline everyday development tasks and accelerate engineering velocityCommunication & Mindset: Strong commitment to application quality and security, with fluent English skills for working in an international teamExperience building with AI in product features (e.g., inference orchestration, model evaluation, workflows integration, RAG)Business Focus: Ability to make technical decisions balanced with product needs and business outcomes Desirable Frontend Knowledge: Experience with React or modern frontend frameworks (helpful for cross-functional collaboration and occasional fullstack tasks)Infrastructure as Code: Experience with TerraformDomain Experience: Background in security, identity management, user provisioning, or corporate onboarding systemsCoordination and project leadership skills: Planning and estimating work, communicating progress, managing dependencies What’s in it for you? Strong community: Work alongside top professionals in a friendly, open-door culture that values initiative and empowers its people to succeedFast-paced & agile environment: Be part of a dynamic, fast-moving organization that champions efficiency and innovationGlobal exposure: Collaborate with international, cross-functional teams and contribute to large-scale initiativesTailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certificationsFlexibility: Balance office and remote work to fit your rhythmCare: Take advantage of our extensive benefits offering, aligned with the best market standards The salary starts at 2350 Euro gross. The final salary depends on the previous experience and professional knowledge of the candidate. 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. Our Slovakia hub brings together passionate professionals working on global initiatives. Be part of a close-knit team that’s driving digital transformation and creating lasting impact. 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.