About the job Job Description Ciklum is looking for a Senior JavaScript Engineer to join our team full-time in Poland. 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. Responsibilities Planning and developing new engineers-facing products and features Building robust and scalable software components and services including native mobile apps Optimizing applications to maximize speed and scalability Ensuring the technical feasibility of UI/UX designs Collaborating with other team members and stakeholders Taking a flexible, proactive approach to your work Requirements 5+ years of experience in Frontend development Extensive experience as a Frontend developer using React (inc React Native) Delivering high-quality software projects, using established best practices, and being able to implement mechanisms to ensure the quality is kept during its lifecycle Able to work independently and collaborate to solve complex problems Experience in an Agile environment (Scrum, Kanban) Critical thinking and good communication skills Personal Skills Perform a broad range of complex technical or professional activities, in a variety of contexts Investigate, define and resolve complex issues Able to work in distributed cross-functional teams effectively Influence customers and team members on the project level Plan, schedule and monitor your own work competently Have learning agility (readiness for challenge and being open to change) Confident Intermediate English (or higher) is a must 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 flexibility – full remote working possibilities Care: We've got you covered with company-paid premium medical package through Luxmed Benefits: Access the MyBenefit cafeteria platform, allowing you to choose perks that best suit your lifestyle and needs 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 Wrocław and Gdańsk, our 300+ professionals in Poland drive forward-thinking solutions for global clients. Join a community where collaboration sparks innovation—and your impact reaches millions. 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.