We’re expanding our team at JustMarkets and looking for a motivated and enthusiastic Senior Frontend Engineer to join our team!

Join us and become part of a team that values collaboration and fresh ideas!

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 such as Zustand
— 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 like Vite
— 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

— Qualified assistance and support for Ukrainian private entrepreneurs
— 20 paid vacation days per year
— 10 paid sick leave days per year
— Public holidays according to current Ukrainian legislation
— Medical insurance for employees
— Compensation for professional education and learning English
— Compensation for a sports subscription or sports equipment

Please submit your resume through the form provided at the link below. Looking forward to reviewing your application!