Senior JavaScript Engineer at Ciklum
Kyiv, , Ukraine -
Full Time


Start Date

Immediate

Expiry Date

05 Jul, 26

Salary

0.0

Posted On

06 Apr, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

No

Skills

JavaScript, React, MicroFrontend architecture, HTML5, CSS3, SCSS, CI/CD, Cloud platform services, Unit testing, Integration testing, Software design, Mentorship, Technical assessment, Performance monitoring, API Gateway, Security

Industry

IT Services and IT Consulting

Description
Ciklum is looking for a Senior JavaScript 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 JavaScript Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. You will join a highly motivated team and will be working on a modern solution for our existing  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 a 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 the  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 (ProjectManager, BA, PO, UX, UI, Arch, BE, DevOps) * Technical organisation: 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 experience in applying and suggesting best practices and design patterns * Strong experience with MicroFrontend architecture * Strong experience in using AI coding assistants like Amazon-Q or similar (Github Copilot, Claude Code) * Strong expertise in JS, React  (Node, Eleventy, NJK would be a plus) * Understanding and experience with SDLC phases : Requirement analysis, Planning Software design(such as architectural design), Software development,Testing Deployment * Deep knowledge of HTML5, CSS3/SCSS, UI and UX design principles * Good experience in understanding, refactoring, writing and using a CI/CD pipeline * Good experience in cloud platform services (as a producer and consumer) * Good experience in identifying performance issues * Good experience in Monitoring and Alerting * Implementation of tests: unit, integration, component, contract * Customer-centric, passionate about delivering great digital products and services * Demonstrating a true software craftsmanship mindset * Passionate about continuous improvement, collaboration and great teams * Compelling coaching and training skills for imparting professional software engineering skills * Strong problem-solving skills coupled with good communication skills * Understanding of the social and ethical implications of software engineering * Open-minded, inquisitive, life-long learner * Comfortable with ambiguity, highly autonomous Desirable: You should have an idea of the subject and its parts. Can explain. Has experience of use of such  skills:    * Experience with API Gateway * Experience in building auto-scaling and self-healing components * Experience in the implementation of the Testing Pyramid * Experience in Automation Systems * Integration with Microservices through BFF or Facade * Cloud services (AWS/Azure/GCP) * Testing * Infrastructure (Autoscaling, Self Healing, Configuration Properties) * Authentication & Authorisation * General Security knowledge (TLS/MTLS, Vault, Secret Rotation, Security toolings) 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? * 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 [https://www.instagram.com/ciklum/], Facebook [https://www.facebook.com/Ciklum/], LinkedIn [https://www.linkedin.com/company/ciklum/]. 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.
Responsibilities
You will lead the development of modern interfaces and maintain high code quality standards within a cross-functional team. Additionally, you will mentor junior colleagues, perform technical assessments, and collaborate directly with clients to ensure successful project delivery.
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