Jobs React.js

We’re looking for an experienced Frontend Developer with 5+ years of commercial experience who can build fast, scalable, and maintainable web applications using React, Next.js, and TypeScript.

We need someone who understands modern frontend architecture, writes clean and well-structured code, and takes ownership of technical solutions from development to delivery.

Your responsibilities will include:

• Develop high-performance, scalable web applications using React, Next.js, and TypeScript;
• Implement and optimize SSR, SSG, and ISR rendering strategies based on product requirements;
• Build and maintain reusable UI components and design systems using Storybook;
• Create responsive, mobile-first, and cross-browser compatible interfaces;
• Integrate frontend applications with REST APIs;
• Write and maintain unit, integration, and end-to-end tests;
• Optimize application performance, rendering efficiency, and overall user experience;
• Maintain clean code, strong typing, and a well-structured application architecture;
• Collaborate with designers, backend developers, and other team members to deliver high-quality product features.

What we expect from you:

• 5+ years of commercial experience in frontend development, including at least 2 years with one company;
• Strong hands-on experience with React.js, Next.js (v14+), and TypeScript;
• Deep understanding of SSR, SSG, ISR, and the ability to choose the right rendering approach;
• Experience with modern styling solutions such as Styled-components, Emotion, Tailwind CSS, or similar;
• Practical experience with Storybook, including component development, documentation, and testing;
• Experience working with REST APIs;
• Experience writing unit, integration, and E2E tests using Jest, Testing Library, Cypress, Playwright, or similar tools;
• Understanding of OOP principles, state management, and frontend application architecture;
• Knowledge of Clean Code and SOLID principles;
• Experience working with Git and CI/CD processes;
• Ability to read and write technical documentation in English;
• Strong analytical thinking, attention to detail, and ability to work independently.

Nice to Have:

• Experience working with GraphQL;
• Experience with React Query / TanStack Query or similar data-fetching solutions;
• Experience building and maintaining complex design systems;
• Experience working on SaaS, B2B/B2C platforms, or other complex web products;
• Understanding of frontend performance optimization and modern development best practices.

What We Value:

• Strong ownership and responsibility for delivered solutions;
• Ability to work independently, prioritize tasks, and meet deadlines;
• Analytical thinking and understanding of software architecture;
• Experience working in Agile / Kanban environments;
• Openness to constructive feedback and continuous improvement;
• Proactive communication and a product-oriented mindset;
• Motivation to continuously improve technical skills and explore new technologies.

What We Offer:

• Fully remote work in a strong and collaborative team;
• Modern technology stack and active product development without legacy code;
• Clear tasks, realistic deadlines, and fast feedback;
• Paid vacation and sick leave.

Our Hiring Process:

1. Application review;
2. Technical interview with the team;
3. Final interview;
4. Job Offer.

How to Apply:

Tell us a little about yourself, share your experience, and include a link to your GitHub profile if available. We’d also love to hear about a project you’re particularly proud of.

If you enjoy building modern web applications, writing clean code, and taking ownership of technical solutions, we’d love to hear from you!

We value initiative, technical expertise, and developers who care about both code quality and the product they build.

We are looking for a Principal Front-End Developer/Staff Engineer from Ukraine with 10+ years of front-end development experience to join our partner’s development team in Europe. This is a fully remote, full-time, long-term freelance position.

You’ll work on an AI agentic workforce platform in a dynamic, startup-like environment where technical excellence, innovation, and ownership are highly valued. We’re looking for an experienced technical leader who can shape front-end architecture, drive engineering best practices, mentor developers, and translate complex product requirements into scalable, high-quality solutions.

Our partner is a global internet group and tech investor, building companies that empower people and create impact across sectors such as online classifieds, food delivery, fintech, education, healthcare, and social platforms.
 

What We’re Looking For

• 10+ years of front-end development experience, including extensive commercial experience with React.
• Previous experience as a Lead Front-End Developer, Staff Engineer, Principal Engineer, or in a similar technical leadership role.
• Deep expertise in React, TypeScript, modern JavaScript (ES6+), HTML5, and CSS3.
• Strong experience with Tailwind CSS and modern React-based application development.
• Proven ability to design scalable front-end architectures, reusable components, and maintainable design systems.
• Hands-on experience integrating AI capabilities, LLM APIs, AI-powered features, or agentic workflows into production applications.
• Strong understanding of UX/UI principles and the ability to translate product requirements and designs into intuitive user experiences.
• Experience with state management, performance optimization, responsive design, and front-end testing.
• Ability to make architectural decisions, establish coding standards, conduct code reviews, and mentor other engineers.
• Experience working in agile product teams or startup environments, with a strong sense of ownership and autonomy.
• Strong communication and collaboration skills, including the ability to work effectively with product managers, designers, and back-end engineers.
   

What You’ll Do

• Lead front-end architecture and technical direction for a modern AI-powered platform.
• Build and optimize production-ready applications using React, TypeScript, and Tailwind CSS.
• Integrate AI capabilities and APIs into user-facing workflows, contributing to the development of intelligent, agentic experiences.
• Establish front-end engineering standards, best practices, and scalable development patterns.
• Design and maintain reusable component libraries and design systems.
• Drive performance, accessibility, reliability, and maintainability across the front-end stack.
• Collaborate closely with back-end engineers to define API contracts and deliver seamless end-to-end functionality.
• Work with product managers and designers to turn business requirements into effective product experiences.
• Provide technical leadership through code reviews, mentoring, architectural discussions, and knowledge sharing.
• Take ownership of complex technical challenges and help the team make sound engineering decisions.
   

Nice to Have

• Experience with AWS services such as S3, and CloudFront.
• Experience building AI-first products, integrating LLM providers, or working with AI agents and orchestration frameworks.
• Experience scaling front-end applications in high-growth product companies.
   

What We Offer

• Long-term freelance engagement with hourly compensation.
• Competitive rates reflecting your experience and technical expertise.
• Fully remote work with flexible hours.
• The opportunity to shape the architecture and technical direction of a cutting-edge AI agentic workforce platform.
• Collaboration with a motivated international team and the opportunity to make a tangible impact on the product.
   

If you have extensive React and TypeScript experience, a strong technical leadership background, and hands-on experience integrating AI into production applications, we’d be happy to hear from you.

Learned JavaScript and React and looking for a job?

We offer you a free 3-month internship at our company, where you will gain experience and the position of Junior React Developer.

Requirements:

- Medium level of knowledge of JavaScript

- Medium level of knowledge of React

- English: upper-intermediate ( speak/read/write)

How to become an intern?

A person who wants to become an intern in our company must have a medium level of theoretical knowledge of JavaScript and React, as well as the availability of term papers or projects that were developed at home for training purposes.

Only for ukrainians

About the vacavncy:

We are a young and rapidly growing company with almost 200 highly skilled developers of various levels.  As this opportunity requires working from our office, it is open exclusively to Lviv residents. 

We offer free English language courses for employees. Also we provide free corporate housing for our employees from other cities.

What we expect from the candidate:

- Experience in building responsive user interfaces and designs using HTML/CSS.
- Solid knowledge of JavaScript and React/Next.js.
- Understanding of the latest trends and best practices in front-end development.
- Ability to use dev tools, debugger and package managers (npm, yarn).
- Basic understanding of REST principles.
- Experience with Git.
- Knowledge of how to effectively use GitHub during teamwork.
- Excellent communication skills and a collaborative mindset, ability to work with   minimum supervision.
- Knowledge of React will be a plus.
- English level B1 - the ability to communicate with clients, to read and understand documentation in English.

What we offer:
- Personal corporate English language academy
- Flexible and accommodating working hours.
- Welcoming and amiable work environment in a comfortable office space.
- Official employment with a competitive salary that reflects your experience and skills.
- A supportive team of seasoned developers and managers.
- Exciting opportunity to contribute to innovative projects.

React.js Developer (on-site)

We're a fast-growing tech company building modern, innovative digital products — and we're looking for a React.js Developer to join our team in Lviv. If you're passionate about crafting clean, responsive UIs and writing JavaScript that's a pleasure to maintain, we'd love to hear from you.

What you'll be doing

You'll work as part of a cross-functional team to build and improve user-facing features, develop scalable frontend architecture, and collaborate closely with designers and backend developers to deliver polished, high-quality products.

What we're looking for

HTML / CSS / Preprocessors

• Strong command of HTML5 and CSS3
• Hands-on experience with SASS, including mixins and style generators
• Ability to build cross-browser compatible, responsive layouts that work seamlessly across all screen sizes and devices

JavaScript / TypeScript

• Confident use of modern JavaScript (ES6+)
• Solid foundational understanding of TypeScript
• Competence in handling and managing DOM events

React & State Management

• Practical experience developing applications with React
• Experience applying modern React hooks in real projects
• Working knowledge of state management tools, including Redux

General

• Responsible, self-motivated, and comfortable working both independently and as part of a team

What we offer

• Full-time, in-office position in Lviv
• Official employment and a competitive salary based on your skills and experience
• Company-provided equipment
• A well-structured work schedule
• A friendly, supportive team and a comfortable office environment
• Mentorship and guidance from experienced colleagues
• Interesting and technically challenging projects to grow on

How to apply

Send us your CV - we review every application and get back to candidates promptly. This could be the start of something great.

Client

Our Client is one of the leading reinsurance service providers across the globe. Their technological platform is constantly evolving as they apply new and emerging technologies to their expanding business.

Project overview

Clients’ technological platforms are constantly evolving as they adopt new and emerging technologies to support their expanding businesses. The team manages applications at the heart of clients’ core business strategies and supports a global user base. The nature of clients’ businesses demands high levels of agility, which in turn requires the team to be technically superior.

The project is part of clients’ global technology modernization roadmaps. It aims to equip key business lines with the technology needed to address modern market challenges and seize new opportunities. The development focuses on core business applications using a modern AWS toolset with Python on the backend. As the project is in its early stages, a significant portion of the work involves architectural design, technology selection, and proof-of-concept (POC) activities.

Position overview

This position is open for hiring in Dublin, Ireland, and requires working from the office 4 days per week.

Responsibilities

• Develop scalable and maintainable frontend architecture using React.js and Next.js
• Implement and optimize reusable UI components using Fluent UI
• Collaborate with UX designers to ensure consistent and user-friendly component designs
• Conduct code reviews and provide constructive feedback to team members
• Optimize components for maximum performance and reusability
• Stay updated with the latest frontend technologies and industry trends

Requirements

• Bachelor's degree in Computer Science or related field
• 5+ years of experience in frontend development, with at least 3 years in a middle or a senior role
• Extensive experience with React.js, including hooks and context API
• Strong knowledge of Next.js and its features for server-side rendering and static site generation
• Proficiency in working with Fluent UI or similar component libraries
• Deep understanding of frontend performance optimization techniques
• Experience in designing and implementing scalable component libraries
• Excellent problem-solving skills and attention to detail
• Strong communication skills and ability to work in a collaborative environment

Nice to have

• Experience with micro frontends architecture
• Familiarity with design systems and component-driven development
• Knowledge of testing frameworks
• Understanding of CI/CD pipelines and build tools

Requirements:

- html/css, javascript, react, git, intermediate english level

Nice to have:

- redux, typescript, graphql, react hooks, nodejs

Responsibilities:

- Collaboration with designers and product management and other developers

- Development of the new features

- Support and fix the bugs of the existing application

- Cover the features with the tests

- Adhere to code standards and best practices

We offer:

- Remote work

- Flexible working hours and adjustable work/life balance

- Communication with customer and team in English

- Annual performance appraisals

- Projects that use advanced, cutting-edge technologies

It's mandatory to have a beautiful code on GitHub to get to the interview. During the 30 minutes interview there will be: introduction, english check, tech questions and live-coding.

Про компанію AxelsFor startups in Europe and the USA that are
- not satisfied with their developers or find it risky to work with freelancers
- find it difficult and expensive to hire on a local market
- find it challenging to manage their development team

Axels helps to find Ukrainian talent with React / Vue.js / Angular / Node.js focus and organize remote easy-to-manage development process.

Axels differ from others due to
- a friendly team, mentorship
- focus on specific trendy technologies
- approach with following strict development standards
- quick recruitment process.

Insiders is a fast-growing IT company which employs about 200 people. Our company focused on providing innovative digital services and cutting-edge technologies to solve complex business challenges.

We are located in Lviv and currently work in an office format. For candidates from other cities, we offer relocation (an apartment located near the office, this option is free).

What we expect from the candidate:

- Experience in building responsive user interfaces and designs using HTML/CSS.
- Solid knowledge of JavaScript and React/Next.js.
- Understanding of the latest trends and best practices in front-end development.
- Ability to use dev tools, debugger and package managers (npm, yarn).
- Basic understanding of REST principles.
- Experience with Git.
- Knowledge of how to effectively use GitHub during teamwork.

what we offer:

- free study in our Corporate English Academy

- growth and development opportunities for young developers even if you have no commercial experience

- regular salary review (after the completion of each contract)

- provision of Apple equipment

- comfortable office with all amenities not far from the center (uninterrupted internet, generator, tea and coffee, pastries).

- timely payment of salaries.

- corporate events, teambuildings, etc.

- working on projects side by side with Senior developers, which will give you the opportunity to learn and develop.

We're looking for a Senior React / React Native Developer with strong TypeScript experience to join a long-term project for a US-based B2B SaaS product in the workforce health and injury-prevention domain.

The product is used by large enterprise organizations and combines expert training content, guided programs, and data analytics across web and mobile. You'll be deeply integrated into a small product-focused engineering team, with real ownership over the frontend and mobile app.

Important: the team is based in the US, so this role requires at least 4 hours of daily overlap with Pacific Time, ideally in their morning (approx. until 21:00–22:00 Kyiv time).

What you'll work with

Our core stack includes:

• React / Next.js
• React Native
• TypeScript
• AWS (S3, CloudFront) and GitHub Actions

The wider environment also includes Tailwind CSS, Radix UI, Storybook, and Playwright.

What you'll do

• Design, build, and ship features in the React web application and shared component library
• Develop and maintain the React Native mobile app, including App Store / Google Play releases
• Own frontend build, deployment, and release processes using GitHub Actions and AWS
• Maintain authentication and account flows, including SSO integrations
• Review code and help maintain a high bar for quality, accessibility, and performance
• Collaborate with backend engineers on API design and propose technical approaches
• Write clear technical documentation and communicate progress, risks, and tradeoffs

What we're looking for

• 5+ years of commercial software development in production, enterprise, or B2B environments
• Strong React and TypeScript skills
• Commercial experience with React Native, including app store releases
• Practical experience with AWS and CI/CD (GitHub Actions or equivalent)
• Experience with Next.js or another SSR React framework
• Experience working with a component library or design system
• Ability to own features end to end, from requirements to production support
• Daily use of AI-assisted development tools
• English B2+ for direct daily communication with a US team

Experience with Tailwind CSS, Radix UI, Storybook, Playwright, Node.js or SQL will be a plus, but is not required.

What we offer

• Long-term cooperation on an established product
• Competitive compensation for a Senior-level position
• Direct communication with an international product team
• Full-time workload
• Fully remote, hybrid or office-based work
• Medical insurance
• Professional development and education reimbursement
• Support from the Quintagroup engineering team

Interested?

If you have solid commercial experience with React, React Native and TypeScript, are comfortable with the US time overlap, and want a long-term product role with real ownership, we'd be happy to talk.

In your application, please briefly mention a React Native app you released to the App Store or Google Play and your role in it.

Ми шукаємо Junior React / React Native Developer, який не боїться брати відповідальність за свій код і результат. Якщо ти готовий швидко рости, виходити за рамки звичного й працювати в сильній команді — будемо раді знайомству.

Компанія формує команду майбутніх інженерних лідерів, тому цінує людей, які:

- Вміють ефективно комунікувати та не бояться ставити запитання

- Готові до відкритого спілкування (дзвінки, обговорення рішень)

- Швидко вчаться, беруть відповідальність і доводять задачі до кінцевого результату

Необхідні технічні навички:

- React, JavaScript, TypeScript
- Практичний досвід із стейт менеджерами 
- Досвід роботи з API 

- Англійська рівня B1 та вище (щоденна комунікація англійською)

Буде плюсом:

- Досвід роботи з Git
- Досвід з React Query
- Досвід розробки мобільних додатків

Ми пропонуємо:

- Перегляди зарплати протягом року

- Можливість швидкого професійного росту

- Роботу над реальним комерційним проєктом у команді сильних інженерів
- Сучасний офіс у Києві та робочий MacBook

Відгукується? Будемо раді поспілкуватись!

• 2500 –  3000$, В залежності від рівня володіння стеком.
• Labvay Software
  IT; 10–50 співробітників
• Дистанційна робота
• Повна зайнятість. Досвід роботи від 3 років. Вища освіта.
• Англійська — середній

Strong Middle Frontend Developer (React + Next.js) Ми шукаємо middle frontend розробника до нашої аутсорс команди. Працюємо з сучасним стеком — Next.js, React, SSR/SSG, Storybook, модульна архітектура, повторне використання компонентів та акцент на чистий, тестируваний код.

Наш Стек технологій: React.js + Next.js (v14+) SSR / SSG — розуміння та вміння застосовувати відповідний рендеринг Styled-components / Emotion / Tailwind CSS або інші фреймворки Storybook — дизайн-система, документація, написання тестів Jest / Testing Library / Cypress / Playwright Git, CI, REST/GraphQL (бонусом)

Чого ми очікуємо від кандидата:

• 3−5 років досвіду на позиції frontend-розробника
• Вміння розробляти продуктивні інтерфейси React + Next.js
• Глибоке розуміння роботи SSR / SSG і коли їх застосовувати
• Досвід роботи з REST API
• Розуміння основ ООП, принципів управління даними та структури додатків
• Вміння писати адаптивну, кроссбраузерну верстку, включаючи mobile-first підхід
• Робота з дизайн-системою через Storybook: створення та підтримка UI-компонентів, написання тест-кейсів та документації
• Знання принципів Clean Code та SOLID
• Досвід тестування: unit, інтеграційні та e2e-тести
• Володіння англійською мовою на рівні читання та написання технічної документації Бути залученим до продукту

Особисті якості:

• Вміння працювати в Kanban / Agile-середовищі
• Аналітичне мислення, здатність розуміти архітектуру рішень
• Вміння ставити пріоритети
• Самостійність, міння доводити завдання до кінця Вміння працювати в умовах дедлайнів
• Отримувати зворотний зв’язок Бажання постійно розвиватися і вдосконалювати навички

Ми пропонуємо: Віддалену роботу в сильній продуктовій команді Тільки сучасний стек і живий код, без легасі Прозорі завдання, адекватні терміни, швидкий зворотний зв’язок Оплачуваний відпустка та хвороби

Як відгукнутися: Напишіть кілька слів про себе, додайте резюме і (якщо є) GitHub. Розповідайте про проект, яким пишаєтеся. Давайте разом створювати чисті і сучасні інтерфейси!

Вимоги:

• Досвід роботи від 1 року у frontend-розробці.
• React.js, Next.js, JavaScript ES6+, Typescript, HTML, CSS/SCSS, Tailwind
• Досвід роботи з AI-інструментами у щоденному процесі розробки (Cursor, Claude, GitHub Copilot або аналоги) — обов'язково
• Досвід інтеграції з AI API, зокрема Anthropic Claude API — перевага
• Canvas, Redux, Ajax, Promises, REST API, WebSockets
• Git
• Бажано: Vue.js, знайомство з MCP (Model Context Protocol), Anthropic Artifacts, базові знання роботи з node.js та базами даних
   

Що ми шукаємо:

Ми шукаємо розробника, для якого AI — це не хайп, а реальний щоденний інструмент. Людину, яка вміє будувати AI-powered інтерфейси, розуміє як працювати з LLM через API і не боїться вчитися новому в дуже швидко змінному середовищі.
 

Особисті якості: Акуратність, уважність, чесність, пунктуальність, адекватність, вихованість. Плюс — цікавість до нових технологій і готовність постійно адаптуватися.
 

Що ви отримаєте:

• Конкурентоспроможну зарплату в доларах США
• 14 календарних днів оплачуваної відпустки
• Повністю віддалену роботу
• Роботу з реальними AI-продуктами — не просто "чатботи"
• Менторство від технічного директора та тімліда
• Перегляд зарплати після випробувального терміну
• Доступ до платних AI-інструментів за рахунок компанії
   

Графік роботи: Пн — Пт: 9:00–18:00 | Сб — Нд: вихідні

Заробітна плата: За результатами співбесіди, з перспективою зростання. Оплата в USD 2 рази на місяць.
 

При відгуку вкажіть: Посилання на роботи та/або GitHub. Якщо є досвід з Claude API, AI-чатами, або будь-якими AI-powered продуктами — розкажіть про це окремо. 

Чекаємо на ваші заявки!