Yalantis is a software engineering and IT consulting company in the outsourcing market. Our team has more than 500 specialists and continues to grow. Join and cooperate with us in Dnipro, Kyiv, Larnaca (Cyprus), Warsaw (Poland) and remotely from any city of Ukraine.
19 лютого 2026

Junior React.js Developer (вакансія неактивна)

Київ, Дніпро, Варшава (Польща), віддалено

We are looking for a Junior Strong React.js Developer to join our team and work on modern web applications.

Responsibilities:

  • Development and support of a large-scale web application using React 18 and TypeScript.
  • Implementation of new features and maintenance of existing functionality.
  • Integration with multiple backend APIs — GraphQL, tRPC, REST.
  • Working with complex state management across Redux Toolkit, Zustand, and React Query.
  • Building reusable and scalable UI components.
  • Writing clean, maintainable, and type-safe code.
  • Collaboration with designers, backend developers, and QA engineers.

Requirements:

  • 1+ year of commercial experience with React.js.
  • Strong knowledge of JavaScript/TypeScript.
  • Practical experience with state management (RTK, Redux Observable/RxJS, Zustand).
  • Experience with Apollo Client (GraphQL) or React Query for data fetching.
  • Hands-on experience with MUI.
  • Experience with forms and validation (React Hook Form, Zod).
  • Understanding of Git workflows (experience with monorepo/submodules will be a plus).
  • Experience with REST API and/or GraphQL integration.
  • Familiarity with Vite as a build tool.
  • English — Upper-Intermediate or higher.

Nice to have:

  • Experience with AG Grid or similar enterprise data grid libraries.
  • Experience with tRPC.
  • Familiarity with Firebase (authentication, Firestore).
  • Experience with E2E testing (Playwright) or component testing (Storybook, Vitest).
  • Familiarity with error monitoring tools (Sentry).

Our Benefits:

  • Professional growth: Individual development plan, mentorship, reimbursement for professional certifications and English lessons, access to professional courses in Corporate Learning Management System.
  • Community: Tech community and knowledge-sharing events, English speaking club, corporate library and book club, volunteering and charity initiatives.
  • Wellbeing: Medical insurance, regular medical check-ups, sport reimbursement, paid vacation and sick leave, mental health support, and events.
  • Work environment: Fully-equipped offices, top-notch equipment, flexible work format, activities both in-office and online, Y-bucks, and access to the Yalantis store.

Please note that feedback on the results of the CV review will be provided only in the event of a decision to consider your candidacy further.
Otherwise, your data will be retained in the company’s CV database, and we will gladly contact you if a suitable vacancy becomes available. The consideration period is 7 working days.

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