Frontend Engineer
JustMarkets · Ukraine · On-site
Posted Sep 11, 2026
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Responsibilities
Develop new features, primarily focused on frontend components
Optimize and improve performance across the application
Participate in architectural discussions and technical design
Conduct code reviews and support production deployments
Collaborate in Scrum ceremonies, OKR planning, and team retrospectives
Write clear unit/integration tests and maintain documentation for implemented functionality
Requirements
5+ years of experience in frontend development, mainly with ReactJS
Strong knowledge of TypeScript and JavaScript
Experience with state management tools (Zustand, Redux, etc)
Experience working with GraphQL and participating in API design
Practical experience with WebSocket
Experience writing tests with Vitest or similar frameworks (e.g., Jest)
Experience with build tools (Vite, WebPack, etc)
Experience adopting AI-assisted development tools in daily workflows and critically evaluating and validating AI-generated results
Solid understanding of frontend architecture and scalable solutions
Experience in optimizing application performance and user experience
Ability to work independently and take full ownership of tasks
Experience in writing clean, maintainable code and following development best practices
English level: Intermediate and above
Will be a plus
Bachelor’s degree in Computer Science or a related discipline
Proven contributions to established open-source projects
Hands-on experience developing and maintaining real-time applications
Professional background in the fintech domain
We offer
20 paid vacation days per year
10 paid sick leave days per year
Public holidays as per the company's approved Public holiday list
Medical insurance
Opportunity to work remotely
Professional education budget
Language learning budget
Wellness budget (gym membership, sports gear and related expenses)