Senior JavaScript Engineer

Ciklum is looking for a Senior JavaScript Engineer to join their team in Ukraine. The role involves front-end development using React, building responsive interfaces, and collaborating in an Agile environment. Ciklum is a custom product engineering company with a global team of over 4,000 professionals.

• Collaborate with designers and developers to build responsive and user-friendly interfaces
• Implement and maintain UI components using React
• Write clean, efficient, and testable code under the guidance of more experienced colleagues
• Troubleshoot and debug issues in web applications
• Contribute to improving the usability and performance of our products
• Front-end development to meet customer’s business needs and implement components according to modern software development environment with acceptable quality and supervision
• Taking part in the decision-making process in design application architecture, solution development, architecture and code review
• Describing own code within technical documents and simple diagrams and provide inputs/update to specifications for the solution
• Writing automated tests
• Proactive position in solution development, processes improvements
• Working in an international distributed team in an Agile environment
• Following best practices and defined standards for implementing the web application
• Investigate and fix application bugs

• Experience in software development for more than 4-5 years
• Translate business needs into technical solutions and make decisions when building software (business-oriented)
• Proficiency in JavaScript/TypeScript, including basic knowledge of asynchronous programming
• Experience with modern JavaScript frameworks/libraries such as React
• Understanding of server-side technologies
• Familiarity with CSS preprocessors (like SASS or LESS.) or modern styling techniques (e.g., StyledComponents)
• Understanding of responsive design and frameworks like Bootstrap or Foundation
• Proficiency in Git and workflows (e.g., GitFlow)
• Ability to handle asynchronous operations
• Knowledge of front-end testing frameworks such as Jest, Mocha, or Jasmine
• Understanding of best practices for optimizing front-end performance
• Familiarity with tools for monitoring and improving performance
• Experience working in an Agile environment
• Excellent communication skills and a willingness to learn

• 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