Ciklum is looking for a Senior JavaScript 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 JavaScript Developer, become a part of a cross-functional development team engineering experiences of tomorrow. client. We are looking for technology experts who want to make an impact on new business by applying best practices and taking ownership.
Responsibilities: * Delivery. Create and maintain modern interfaces according to unit standards * Code Quality. Follow and improve code quality standards * Analyze and Estimate. Perform technical assessment of UI mockups/wireframes to ensure the possibility of their implementation within reasonable time * Software Design. Create and review software feature design documents and provide the solution * Contribute ideas through your knowledge of evolving front-end technologies * Be proactive in communication with team members and client * Use industry best practices of development processes & tools, adopt and improve them * Mentorship of junior colleagues * Take responsibility for project delivery playing role of the most senior technical person (by stack) at the project * Direct client communications * Set up efficient development workflow throughout proactive collaboration with any project role (Project Manager, BA, PO, UX, UI, Arch, BE, DevOps) * Technical organization: interview, tech audit, pre-sale * Problem solving, Solution Presentation, Meeting and Visual Facilitation
Requirements: You can name examples of use in different contexts. Are guided by best-practices and specifications of such skills: * Strong expertise in the JavaScript language (e.g. ES6/7/8/next, Typescript) as well as its eco-system and tooling * Several mainstream frameworks or stacks (React, ReactNative, Vue, Ionic, Node.js+Express, PWA) * Successful cases of delivering React applications * Deep expertise in cloud design, infrastructure as code, tools and services on AWS * Delivery flow: branching strategy, repo management, code style guides and enforcing, testing approaches, CI/CD, release plan * Software Design & Visual Facilitation * Mental Agility: capacity to switch to any project technical challenge * Advance English * Understanding of Agile and Lean principles and ability to facilitate team-work according to chosen development methodology * HTML/CSS. Preprocessors, Methodologies * JavaScript. Core, Performance, Security * Application state management * Package management, Module bundling * DevOps. Experience with CI/CD set up, Docker * Auth, JWT * HTTP, REST API * Design patterns, OOP, Development principles * Software testing. Approaches, testing types * Git * Framework: * ReactJS: * Components * Routing * JSX & Virtual DOM * State management * Async actions * Hooks * Forms * Testing * Performance
Desirable: You should have an idea of the subject and its parts. Can explain. Has experience of use of such skills: * Experience or at least understanding of the Micro-frontend architecture * Experience or at least understanding on the component testing, PACT testing * Cloud computing platforms (e.g. AWS, Google Cloud Platform, Microsoft Azure) * PWA * Quality tools (input/output complexity) * Experience with CI/CD set up (GitlabCI) * Application state management (MobX / Saga / etc) * Sonar * Docker * GitlabCI * Familiar with UX concepts such as Information Architecture * Agile (principles, Kanban, Scrum), task tracking tool (JIRA), knowledge management (Confluence)
Personal skills: * Works under general direction, accepts guidance and has work reviewed at agreed milestones * Has working-level contact with customers and colleagues * May supervise others or make decisions which impact the work assigned to individuals or phases of projects * Performs a range of work, sometimes complex and non-routine * Demonstrates effective communication skills * Plans, schedules and monitors own work (and that of others where applicable) competently * Contributes fully to the work of teams
What’s in it for you? * Career growth opportunities * Realization of your innovative ideas in building new Ciklum Solutions and Services * Friendly collaborative teams and enjoyable working environment * Professional skills development and training programs * Variety of knowledge sharing, training and self-development opportunities * State of the art, cool, centrally located offices with a warm atmosphere which creates really good working conditions
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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