Frontend Engineer

JustMarkets; United States; Teletrabalho; USD 120 000 - 160 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Remote work

Medical insurance

20 vacation days per year

10 sick leave days per year

Public holidays as per company list

Education budget

Language learning budget

Wellness budget

Resumo da oferta

JustMarkets is seeking a senior frontend engineer to drive feature development with a focus on React components. You will optimize performance across the application, participate in architectural discussions, and support deployments.

You will collaborate in Scrum ceremonies, write tests with Vitest/Jest, and help maintain documentation. Strong TypeScript/Javascript skills and 5+ years of experience are required.

Qualificações

• 5+ years of frontend development experience, primarily with ReactJS.
• Strong knowledge of TypeScript and JavaScript.
• Experience with state management using Zustand.
• Experience with GraphQL and API design.
• Practical experience with WebSocket.
• Experience writing tests with Vitest or Jest.
• Experience with Vite build tooling.
• Solid understanding of frontend architecture and scalable solutions.
• Experience optimizing performance and user experience.
• Ability to work independently and own tasks.
• Maintainable, clean code and development best practices.
• English level: Intermediate or higher.

Responsabilidades

• Develop new frontend features with a focus on React components.
• Optimize application performance and UX across the product.
• Participate in architectural discussions and technical design.
• Conduct code reviews and support production deployments.
• Collaborate in Scrum ceremonies, OKR planning, and retrospectives.
• Write unit/integration tests and maintain documentation.

Conhecimentos

ReactJS

TypeScript

JavaScript

Zustand

GraphQL

WebSocket

Vitest/Jest

Vite

Frontend architecture

Performance optimization

Code quality

English communication

Formação académica

Bachelor's degree in Computer Science or related discipline

Descrição da oferta de emprego

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

• 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)