Fullstack Developer, React, Kotlin
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Job Description
Fullstack Developer developing web applications using React and Kotlin at Zup Innovation. Collaborating with cross-functional teams to deliver scalable and performant solutions for clients.
Responsibilities:
- Develop and maintain scalable, high-performance web applications using React and Next.js.
- Build robust, secure APIs using Kotlin with frameworks such as Ktor or Spring Boot.
- Ensure code quality through automated testing (unit, integration, and end-to-end).
- Collaborate with cross-functional teams to deliver solutions aligned with business needs.
- Participate in code reviews, sprint planning, and other agile practices.
- Implement CI/CD practices to automate builds, tests, and deployments.
- Contribute to the continuous improvement of processes and application architecture.
Requirements:
- Solid experience with React.js, including Hooks, Context API, and state management (Redux, Zustand, or similar).
- Experience with Next.js, including SSR, SSG, dynamic routes, and API routes.
- Strong knowledge of TypeScript.
- Experience with modern styling approaches (CSS-in-JS, Styled Components, or Tailwind CSS).
- Familiarity with build tools/bundlers such as Webpack or Vite.
- Experience with front-end testing (Jest, React Testing Library, Cypress).
- Experience consuming RESTful APIs and GraphQL.
- Proficiency in Kotlin for back-end development.
- Experience with Kotlin web frameworks, preferably Ktor or Spring Boot.
- Development and maintenance of RESTful and/or GraphQL APIs.
- Knowledge of relational databases (PostgreSQL, MySQL) and/or NoSQL (MongoDB).
- Experience with ORMs (Exposed, Hibernate).
- Implementation of authentication and authorization (JWT, OAuth2).
- Unit and integration testing (JUnit, MockK).
Benefits:
- Freedom to work from anywhere
- Flexible working hours
- Education assistance
- Proprietary career development tool
- Internal guilds and study/interest groups
- Health insurance
- Dental plan
- Medication purchase partnerships/discounts
- 24/7 telemedicine
- Free online therapy
- Wellhub
- Extended maternity leave
- Extended paternity leave
- CAZ – Zuppers Support Center
- Meal and grocery vouchers
- Life insurance
- Transportation allowance
- Home office allowance
- Childcare assistance
- Phone plan subsidy
- Profit sharing
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