JavaScript (Node.js) Engineer

Ciklum is looking for a JavaScript (Node.js) Engineer to join our team full-time in the Czech Republic. 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 environment End-to-End Execution: Implement backend projects from end-to-end writing clean, maintainable code, writing automated tests, and managing application deployment System Modernization: Modernize server-side systems handling identity management, user provisioning, and corporate onboarding workflows Scale & Integrations: Build and maintain cloud services, RESTful APIs, and strategic third-party partner integrations Engineering 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 development Core Tech: Strong hands-on proficiency in Node.js and TypeScript Cloud Infrastructure: Practical experience with AWS (e.g., EC2, ECS, S3) or equivalent hyperscalers Databases: 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 velocity Communication & Mindset: Strong commitment to application quality and security, with fluent English skills for working in an international team Experience 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 Terraform Domain Experience: Background in security, identity management, user provisioning, or corporate onboarding systems Coordination and project leadership skills: Planning and estimating work, communicating progress, managing dependencies What’s in it for you? Flexible working hours Home office option 5 weeks of holiday 5 sick days Multisport Card Meal allowance Internal trainings including workshops and seminars Paid certifications and technical as well as soft-skills training Possibility to participate in international conferences Fresh fruit, coffee, and a weekly company breakfast in the office Loyalty bonus after 5, 10, 15 and more years with the company Referral bonus programme Corporate events including team building, outdoor activities, Christmas party, health week, summer ice cream, and more Hybrid and remote working options available across our Czech offices in Prague, Hradec Králové, and Zlín 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. With delivery centers in Prague, Hradec Králové, and Zlín, our Czech team delivers end-to-end solutions across industries. Here, innovation thrives through collaboration, and every idea drives our partners' success. 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. #LI-IK1