Jobstacky
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Your key responsibilities
Design and develop new functionality;
Participate in full development cycle;
Document design decisions, components APIs and create usage examples;
Being technology and product expert, share knowledge via demo sessions;
Ensure quality metrics of the product meet non-functional requirements;
Build fault-tolerant functionality and keep in mind production stability;
Work with QAs and BAs on functional and non-functional requirements;
Work with UX team on defining new interfaces;
Work with other development teams that use the frameworks for products delivery.
Your skills and experiences
Many years of working experience and deep knowledge in building performant web applications
Solid knowledge of data structures and algorithms
Very strong JavaScript/Web knowledge
Deep knowledge and hands-on experience in how browser works
Strong analytical and problem solving skills
Proactive and delivery-oriented personality
Good communication and interpersonal skills
Berlin, Germany
Full Time
Posted February 23, 2026
English