37 Reactjs Workflows Jobs

Are you a React Developer who is passionate about creating unique front end user interfaces for applications on both mobile and web platforms We are looking for a skilled react.js developer to join our front-end development team. In this role, you will be responsible for developing and implementing user interface components using React.js concepts and workflows such as Redux, Flux, and Webpack. You will also be responsible for profiling and improving front-end performance and documenting our front-end codebase. To ensure success as a react.js developer, you should have in-depth knowledge of JavaScript and React concepts, excellent front-end coding skills, and a good understanding of progressive web applications. Ultimately, a top-class react.js developer should be able to design and build modern user interface components to enhance application performance. As a React.js Developer, your responsibilities will include developing the latest user-facing features using React.js, designing a modern highly responsive web-based user interface, building reusable components and front-end libraries for future use, translating designs and wireframes into high-quality code, learning and understanding user interactions, optimizing components for maximum performance across a vast array of web-capable devices and browsers, coordinating with various teams working on distinct layers, and being involved from conception to completion with projects that are technologically sound and aesthetically impressive. Skills and Qualifications: - Bachelors degree in computer science or a related field. - Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. - Thorough understanding of React.js and its core principles. - Prior experience with popular React.js workflows (such as Flux or Redux). - Prior experience with data structure libraries (e.g. Immutable.js). - Familiarity with RESTful APIs. - Familiarity with HTML / CSS. - Git knowledge is a plus. - Knowledge of modern authorization mechanisms, such as JSON Web Token. - Familiarity with modern front-end build pipelines and tools. - Experience with common front-end development tools such as Babel, Webpack, NPM, etc. - Familiarity with code versioning tools such as Git, SVN, and Mercurial. - Excellent Communication Skills. Experience: 2 to 15 years Salary: INR 4,00,000 - 18,00,000 P.A. Incentives and Bonuses Industry: IT-Software / Software Services Functional Area: IT Software - eCommerce, Internet Technologies Role Category: Software Development Role: Full Stack Developer Employment Type: Permanent Job, Full Time Vacancies: 6 Why Join Us - Enjoy flexible working hours. - Work 5 days a week. - Modern work environment. - Friendly, Supportive, Professional and achievement-oriented management team. - Competitive Salary and Benefits. - We offer excellent benefits, a high-performance culture, challenging work and projects, & competitive financial rewards. About Us: Sourcedesk Global is one of the fastest-growing IT and Outsourcing solutions company head offices in Toronto and Delivery Center in Kolkata. We are a group of young and energetic professionals with creativity and business ethics. Our customer-centric approach makes us highly creative in the use of technology which insights in improved products and services. We help our clients with an appropriate mix of business consultation, technology, digital and advertising solutions that integrate seamlessly with their marketing objectives, from start to finish. We are serving clients across Canada and US business markets.,

Hiring .NET Core Developer with React (613 yrs) for Gurgaon. Must have strong skills in .NET Core, C#, React.js, REST APIs, SQL & microservices. Immediate joiners preferred. Apply now to work on cutting-edge projects!

As a highly skilled Team Lead specializing in NodeJS and React JS, you will be a valuable addition to our team. Your proficiency in MySQL/PostgreSQL, along with a proven track record in architecture and troubleshooting, will be essential for this role. Your responsibilities will include troubleshooting and resolving technical issues related to MySQL/PostgreSQL, demonstrating a deep understanding of React.js and its core principles, and collaborating with the Project Management team to assess new functionality requests. You will also be responsible for monitoring system performance, resolving complex issues, providing technical expertise and guidance to the team, and actively participating in the design and development of new systems. To excel in this role, you must have strong expertise in MySQL/PostgreSQL and NodeJS/React JS, experience with popular React.js workflows such as Flux or Redux, and a deep knowledge of React.js and Node.js. Familiarity with Restful APIs, Linux, command line interface, and version control systems like GIT is also required. Additionally, you should have at least 1 year of experience as a Team Lead. This full-time, permanent position offers benefits such as health insurance, leave encashment, and Provident Fund. The work hours are from Monday to Friday, with a day shift. The ideal candidate will have 2 years of experience as a team leader, 3 years of experience with React.js and Node.js (MongoDB and Express.js experience preferred). The work location is in person. If you meet the requirements and are interested in this opportunity, please contact the employer at +91 9510888111.,

We are hiring for multiple roles for our client in Hyderabad. Java Developers, Dot Net Developer, QA Tester, ETL Lead Developer

Role: Frontend Developer [React.js & Next.js] Location: Gurgaon Experience: 2-4 years Role Objective: We are seeking to hire skilled and motivated Frontend Developers with strong experience in React.js and Next.js to join our growing tech team. The ideal candidate should be passionate about building performant, scalable, and maintainable web applications and have a deep understanding of modern frontend technologies and architectural patterns. Key Job Responsibilities: 1. Develop user-facing web applications using React.js and Next.js. 2. Design and implement responsive and high-performance UI components. 3. Optimized codebase in order to optimize the web applications in terms of SEO, pages using GetServer SideProps , GetStaticProps and API routes in Next.js. 4. Implement dynamic and static routing using file-based routing in Next.js. 5. Integrate RESTful APIs and work closely with backend developers to ensure seamless data flow. 6. Write clean, scalable, and reusable code. 7. Debug and resolve performance or compatibility issues. 8. Stay up-to-date with emerging technologies and industry best practices. Required Skills & Qualifications: Strong proficiency in React.js and Next.js with hands-on experience. Shall have 2+ years of experience with Next.js, including SSR/SSG. Strong understanding of ES6+, functional components, hooks, and component lifecycle Good experience with HTML5, CSS3, Tailwind CSS /SCSS, and responsive design Solid understanding of Frontend fundamentals, including Asynchronous programming API calling/ fetch or Axios Authentication/authorization/ role-based access functionality ERP/ CRM based portals experience Experience with modern frontend styling tools (e.g., Tailwind CSS, global CSS, Material UI, charts and tables). Knowledge of version control (Git) and CI/CD workflows. Preferred Key Qualifications: Experience with TypeScript in React/Next.js projects. Familiarity with state management libraries (Redux, Zustand, Recoil, etc.). Understanding of SEO principles and performance optimization in Next.js. Experience with serverless deployments (e.g., Vercel, Netlify). Knowledge of testing frameworks like Jest, React Testing Library, etc. Inbox me at ablehuntindia@gmail.com, with detail on Current CTC, Exp CTC and Notice Period

Roles and Responsibilities Design, develop, test, and deploy full-stack applications using React.js, TypeScript, and MongoDB. Collaborate with cross-functional teams to identify project requirements and deliver high-quality solutions. Implement CI/CD pipelines using GIT and implement automated testing frameworks for efficient deployment. Ensure scalability, security, and performance of developed applications. Desired Candidate Profile 4-8 years of experience in full stack development with expertise in JavaScript frameworks such as React.js or AngularJS. Strong understanding of HTML/CSS/TypeScript programming languages. Experience working on projects involving frontend development using Less CSS/React.js/Redux/Vue.js.

We are looking for a skilled React Native Developer to join our dynamic development team. You will be responsible for designing and implementing high-quality mobile applications for iOS and Android using React Native. The ideal candidate should have a strong understanding of mobile app development, UI/UX principles, and the React Native framework. Key Responsibilities: Develop, test, and deploy cross-platform mobile applications using React Native. Collaborate with product managers, designers, and backend developers to create seamless user experiences. Write clean, maintainable, and efficient code following best practices. Troubleshoot and debug performance and usability issues. Optimize application performance for speed and scalability. Integrate with RESTful APIs and third-party libraries. Stay up to date with emerging trends and technologies in mobile development. Participate in code reviews and contribute to continuous improvement of development processes. Qualifications: Proven experience as a React Native Developer or similar role. Strong proficiency in JavaScript and React Native framework. Experience with native mobile development (iOS/Android) is a plus. Familiarity with RESTful APIs, JSON, and third-party libraries. Knowledge of mobile app design principles and UX/UI best practices. Experience with version control tools such as Git. Ability to write clean, well-documented, and maintainable code. Strong problem-solving skills and attention to detail. Bachelors degree in Computer Science, Engineering, or related field (preferred). Nice to Have: Experience with TypeScript. Familiarity with Redux, MobX, or other state management libraries. Knowledge of automated testing frameworks. Experience with continuous integration and deployment (CI/CD) tools. Understanding of Agile/Scrum methodologies..

Key Responsibilities: End-to-End Solution Design: Work closely with cross-functional teams to define and develop full-stack applications, including backend services, frontend integration, and cloud-based solutions. API Development: Design and implement robust APIs, ensuring that they are scalable and maintainable. Collaborative Development: Work in collaboration with product managers, data scientists, and UX teams to develop new features and improve existing ones. Performance Optimisation: Enhance application performance, scalability, and security by developing efficient algorithms and making use of cloud resources optimally. Code Quality & Best Practices: Follow best practices in coding, testing, and deployment to ensure high-quality, production-ready solutions. Documentation & Maintenance: Ensure proper documentation for both the backend architecture and API usage. Provide ongoing maintenance and updates for the applications. Skills & Experience Required: Experience: 4 to 6 years of product development. Backend Development: Strong experience in building scalable and performant backend services using Python and frameworks such as Flask, FastAPI, and Django. Strong Coding Skills: Solid programming foundation with experience in writing clean, maintainable, and efficient code. Database Expertise: Hands-on experience with SQL (PostgreSQL, MySQL) and NoSQL (MongoDB) databases, and ORM frameworks for managing and optimising database interactions. Cloud Services: Proficiency in cloud platforms like AWS, GCP, or Azure, and knowledge of deploying applications using cloud-native services. Front-End Integration: Experience in integrating with front-end technologies like ReactJS, HTML, CSS, and JavaScript for integrating the frontend with backend services. Version Control & CI/CD: Experience with Git, and tools like Jenkins or CircleCI for continuous integration and continuous deployment. Testing: Ability to write unit tests, integration tests, and ensure the application is highly reliable. Preferred Skills: AI/ML Experience: Exposure to working with AI/ML tools and integrating machine learning models into backend services. Containerization & Orchestration: Knowledge of Docker and Kubernetes for containerising applications and managing microservices. Leadership & Mentorship: Ability to guide junior developers, participate in code reviews, and contribute to technical decision-making. Education and Experience: A degree in Computer Science, Engineering, or a related field (B.Tech/M.Tech or equivalent). 4 to 6 years of experience in full-stack development, with a focus on backend development and microservices architecture. Why Join Us: Work on cutting-edge AI and machine learning technologies. Be part of a collaborative and innovative environment. Solve real-world industrial challenges with impactful solutions. Opportunities for professional growth and learning.

ManekTech is looking for ReactJs Developer to join our dynamic team and embark on a rewarding career journey Reviewing application requirements and interface designs Identifying web-based user interactions Developing and implementing highly responsive user interface components using react concepts Writing application interface codes using JavaScript following reactjs workflows Troubleshooting interface software and debugging application codes Developing and implementing front-end architecture to support user interface concepts

Sr. Consultant Reactjs Developer with Typescript

Design, develop, and maintain cross-platform apps using React Native. Collaborate with teams to deliver features, integrate APIs, ensure performance, follow best practices, write clean code, and participate in reviews and agile processes.

Role Summary We are looking for a skilled React developer to build rich, responsive frontends for our real-time video learning platform. Youll work with media APIs, video playback, WebSocket integration, and user dashboards. Tech Stack React (Hooks, Context, Router) REST APIs (FastAPI/Django backend) WebSocket (native or socket.io-client) State management (Zustand, Redux, or React Query) AWS CloudFront (for video), webcam APIs Responsibilities Build responsive UI components in React Integrate video player and implement playback sync Capture and send webcam snapshots using browser APIs Handle WebSocket connections for real-time updates Integrate with REST APIs securely using JWT Optimize frontend performance for 10K+ users Write unit/integration tests (Jest, React Testing Library) Required Skills 3+ years of hands-on React development Experience working with REST APIs and WebSockets Solid understanding of video or media rendering on web Comfortable with HTML5 APIs (canvas, video, webcam) Strong CSS/JS/TS and async handling (axios/fetch)

Job Description We are looking for a dynamic and highly experienced Full Stack Lead / VP Engineering with deep expertise in JavaScript and React, and strong backend skills in Node.js and MongoDB. You will be responsible for driving the technical vision, overseeing system architecture, and leading a team of engineers to build scalable, performant web applications. Roles and Responsibilities Lead the design, development, and deployment of modern web applications using JavaScript, React, Node.js, and MongoDB. Drive architectural decisions and set coding standards across the full stack. Collaborate with Product, Design, and Business teams to define and deliver scalable solutions. Mentor and manage engineers, conduct regular code reviews, and ensure high code quality. Ensure best practices in performance, security, testing, and scalability. Own the full software development lifecycle from planning to deployment and maintenance. Evaluate new technologies and make decisions to advance our tech stack and practices. Desired Candidates Profile Expert-level knowledge of JavaScript (ES6+) understanding closures, prototypes, async/await, and event loop in depth. Extensive experience with React.js — including hooks, context, performance optimization, and state management (Redux/Context). Strong backend development experience with Node.js , Express, and REST APIs. Proficient with MongoDB , schema design, indexing, and aggregation. Experience with CI/CD, Git, Docker, and cloud platforms (AWS/GCP/Azure). Strong understanding of web security, performance, and scalable architecture. Must-Have Skills: Expert-level knowledge of JavaScript (ES6+) — understanding closures, prototypes, async/await, and event loop in depth. Extensive experience with React.js — including hooks, context, performance optimization, and state management (Redux/Context). Strong backend development experience with Node.js , Express, and REST APIs. Proficient with MongoDB , schema design, indexing, and aggregation. Experience with CI/CD, Git, Docker, and cloud platforms (AWS/GCP/Azure). Strong understanding of web security, performance, and scalable architecture. Soft Skills: Visionary leadership with hands-on coding ability. Excellent problem-solving and debugging skills. Strong communication and decision-making skills. Passion for clean code, learning, and mentoring. Perks and Benefits Bonus and appreciation for the deserving ones. Flexibility in working hours/ days. Opportunity to work with international projects. Learn while you work and build your career

Job Summary: We are looking for a skilled and motivated Laravel and React.js Developer to join our development team. You will be responsible for building and maintaining robust backend services using Laravel and crafting dynamic, responsive user interfaces with React.js. Key Responsibilities: Design, develop, and maintain web applications using Laravel and React.js. Collaborate with cross-functional teams to define, design, and ship new features. Build reusable code and libraries for future use. Optimize applications for speed, scalability, and security. Integrate RESTful APIs and third-party services. Troubleshoot, test, and maintain the core product software and databases. Participate in code reviews and contribute to team best practices. Stay up to date with emerging technologies and propose improvements. Required Skills & Qualifications: Strong proficiency in PHP with hands-on experience in Laravel (v8 or higher) . Solid understanding of React.js , including hooks, state management, and component lifecycles. Familiarity with MySQL or PostgreSQL databases. Experience with RESTful APIs and third-party integrations. Knowledge of Git and version control best practices. Understanding of frontend technologies like HTML5, CSS3, and JavaScript ES6+. Ability to write clean, maintainable, and well-documented code. Strong problem-solving and debugging skills. Preferred Qualifications: Experience with Laravel Livewire, Inertia.js, or Next.js. Familiarity with Docker, CI/CD pipelines, or cloud platforms (AWS, DigitalOcean, etc.). Understanding of authentication systems (OAuth, JWT, etc.). Prior experience in Agile/Scrum teams.

L3/Frontend Lead Shape our digital ecosystem by crafting sophisticated interfaces with React.js within our MERN stack environment. You'll transform design concepts into polished, performant frontends

Role & responsibilities Collaborate with backend developers, designers, and product owners to create a high-performance, secure, and responsive front-end, translating designs and style guides into clean, simple, and interactive user interfaces while ensuring cross-browser compatibility, performance, and robustness Identify and establish best practices and frameworks keeping in mind parameters of performance, responsiveness, security, maintainability, extensibility, and reuse Participate in architectural discussions with a group of senior architects Deliver high-quality code that is maintainable and readable Develop and maintain features using JavaScript frameworks such as React, Angular or or Ember.js Ensure timely resolution of all assigned issues Requirements BE/B.Tech/MCA with 2+ years of experience in developing front-end technologies using ReactJS, Object Oriented JavaScript, HTML5, & CSS3 while ensuring continuous deployment, integration, and monitoring Understanding of various browser engines and experience in handling cross-browser compatibility issues Experience in software development life cycle and a good understanding of version control systems like Git Familiarity with an agile development methodology (preferably Scrum) Understand authentication/authorization and have secured applications using OAuth(2) and JSON Web Tokens Excellent time management, multi-tasking, and communication skills What sets you apart Exposure to tools such as Jenkins, NewRelic, DataDog, PagerDuty, and Sentry Please share a copy of your updated Resume.

Role & responsibilities A minimum of 10+ Years experience in the IT industry. Develop a very high sense of ownership, the zeal to build scalable applications. Collaborate with team members to brainstorm the requirements and provide effective solutions. Document and demonstrate solutions by developing documentation and flowcharts. Prepare and maintain code for various .Net applications and resolve any defects in the system. Utilize established development tools, guidelines and conventions including but not limited to .NET (.NET Core 6, .NET Framework), SQL Server, MVC, HTML, CSS, JavaScript (Vue, Angular), and C#. Perform design and development of web based services and applications. Work closely with the quality assurance team to ensure delivery of high quality and reliable web applications. Develop databases including queries, triggers and stored procedures. Interact with customers to define project features and requirements. Perform code reviews and provide necessary corrections. Perform application design, development and deployment based on industry's best practices. Resolve application defects and issues in a timely manner. Prepare technical documents as per established project standards. Works collaboratively with leaders to ensure timely delivery of projects. Enhance existing systems by analyzing business objectives, preparing an action plan and identifying areas for modification and improvement. Preferred candidate profile Strong knowledge of C#, .NET framework includes ASP.NET, ASP.NET MVC, .NET Core, Web API, OAuth, IIS, WCF Web Services, design patterns. Strong knowledge in AJAX, AngularJS/ ReactJS, Web Forms, ADO.NET, LINQ, Linq2Sql, Entity Framework, and NHibernate. Strong understanding of object-oriented programming and strong coding skills. Knowledge of Microsoft SQL Server and NoSQL databases. Knowledge of pub sub modules (like Kafka, SQS, RabbitMQ etc) Experience with popular web application frameworks. Knack for writing clean, readable, and easily maintainable code. Proficient understanding of code versioning tools such as Git, SVN. Knowledge in AWS cloud platform and AWS Services will be an added advantage Understanding of Agile - SCRUM methodologies. Excellent communication, analytical and interpersonal skills. Understanding of Business requirements, analyzing, designing (User Interface and Database). Ability to work independently. Excellent Debugging and Problem Solving skills. Ability to work effectively in a remote, virtual, global environment. Experienced in architecting enterprise applications or aspiring to be one Perks and benefits Salary best in industry Hybrid

REACT NATIVE APP DEVELOPER Hyperworks Imaging is a cutting-edge technology company based out of Bengaluru, India since 2016. We are building disruptive and transformative products and solutions in diverse verticals ranging from Finance to Energy. We are a rapidly growing company, working with multiple companies around the world. We also support their needs for strong technical professionals to help build and maintain their proprietary platforms. The following opening is at the intersection of alternative assets and precious metals. It is a full time position to support teams in the US and requires immediate joining. JOB OVERVIEW This role is for a dedicated senior react native app developer. You will work as part of a team to design and develop high-quality software solutions for web applications and mobile apps using React. As a React developer, you will implement new features and maintain existing code using React and other standard tools in the React ecosystem. Your duties will include designing software solutions to meet project requirements, maintaining and refactoring existing code, writing tests, and fixing bugs. QUALIFICATIONS Bachelors degree in computer science or a related technical field, with equivalent real-world experience. 6-8 years of experience working exclusively on React Native development for Android and iOS platforms. Strong proficiency in JavaScript and its nuances, including ES6+ syntax. In-depth knowledge of React Native components, Redux, Hooks, and navigation libraries. Experience with native app development, including bridging native modules for iOS (Swift/Objective-C) and Android (Java/Kotlin) when required. Solid understanding of mobile UI/UX design principles and the ability to create pixel-perfect UIs. Familiarity with RESTful APIs and integrating backend services with mobile apps. Strong debugging and problem-solving skills. Knowledge of app deployment processes for both Google Play Store and Apple App Store. Experience with version control systems like Git. SALARY DETAILS : Commensurate with experience JOINING DATE : Immediate Note: ONLY candidates who can join immediately will be considered. CONTACT : naveen@hyperworksimaging.com

Experienced in -React.JS, Plotly DASH, HTML5, AngularJS, PowerBI, Grafana. Should have worked on frontend technologies Responsible for creating and executing user interface component using React.js concepts & workflows such as Redux, Flux & Webpack

About the Role: We are looking for a talented and detail-oriented Frontend Developer to join our growing development team. In this role, you will be responsible for implementing visual elements that users see and interact with in a web application. You will work closely with UI/UX designers, backend developers, and product managers to create seamless and engaging user experiences. Key Responsibilities: Develop responsive and high-performance web interfaces using modern JavaScript frameworks (React, Vue, Angular, etc.). Collaborate with designers to translate Figma/Sketch mockups into clean, maintainable code. Ensure cross-browser compatibility and optimize applications for maximum speed and scalability. Write reusable code and libraries for future use. Collaborate with backend developers to integrate APIs and other services. Participate in code reviews and team meetings. Stay up-to-date with emerging trends in frontend technologies and best practices. Required Skills & Qualifications: Proficient in HTML5, CSS3, and JavaScript (ES6+). Experience with at least one modern frontend framework (React.js, Vue.js, Angular). Familiarity with version control tools such as Git Knowledge of responsive and adaptive design principles Understanding of RESTful APIs and JSON. Hands-on experience setting up and interpreting Google Analytics (GA4) to inform design decisions. Understanding of on-page and technical SEO best practices to ensure interfaces are crawl-friendly and performance. Awareness of performance-driven design choices (asset optimization, lazy loading patterns). Experience with build tools like Webpack, Vite, or Parcel Strong problem-solving skills and attention to detail.

Internship Opportunity: Tech Intern (Node.js & React.js) | 2024 & 2025 B.E./B.Tech Passouts Are you a 2024 or 2025 B.E./B.Tech graduate ready to dive into real-world software development? Join us as a Tech Intern and experience working in a dynamic environment that values open culture, respect and the joy of work ! Responsibilities Building and maintaining applications using Node.js and React.js Internship Details: Duration: 6 months Stipend: Provided Growth: Mentorship to support your learning journey Qualifications Passionate freshers eager to learn and grow Excellent verbal and written communication skills Certifications in Node.js and React.js are mandatory Exposure to HTML, CSS and JavaScript Lets build the future together! #TechIntern #Internship2024 #Internship2025 #NodeJS #ReactJS #Freshers #OpenCulture #JoinUs

Title:A Java Fullstack (React) Developer Job Description:Core Skills Java programming ReactJS Web application development RESTful APIs Back-end technologies such as Spring or Hibernate Software development tools such as Git and IDEs Secondary Skills JavaScript HTML/CSS SQL RESTful APIs Git Soft Skills and Professional Attributes Excellent communication skills Strong analytical and problem-solving skills Ability to work independently and in a team Attention to detail Continuous learning mindset ProfessionalismEngineering Skills Code reviews Unit testing Debugging Agile development methodologies Problem-solving Collaboration Job Responsibilities Developing and implementing user interface components using React.js and Redux Writing reusable, testable, and efficient code Collaborating with cross-functional teams to define, design, and ship new features Ensuring high performance on desktop and mobile Staying up-to-date with emerging trends and technologies

Role & responsibilities Develop and maintain scalable and high-performance web applications using React.js and .NET (C#/.NET Core) . Design and implement RESTful APIs and integrate them with frontend components. Collaborate closely with UI/UX designers and backend developers. Write clean, well-documented, and testable code. Participate in code reviews, sprint planning, and team meetings. Troubleshoot and resolve issues across the stack from UI to database. Ensure the application is responsive and adheres to industry security standards. Preferred candidate profile Strong experience with React.js , including Hooks, Context API, and component-based architecture. Proficiency in C# , .NET Core/.NET Framework , and Entity Framework . Experience with RESTful API development and integration. Strong understanding of JavaScript, HTML5, CSS3 , and responsive design. Hands-on experience with SQL Server or other relational databases. Familiarity with Git or other version control systems. Strong debugging and performance optimization skills. Good understanding of Agile methodologies . Perks and benefits Free Meals PF and Gratuity Medical and Term Insurance

Role & responsibilities: Outline the day-to-day responsibilities for this role. Preferred candidate profile: Specify required role expertise, previous job experience, or relevant certifications.

Develop and maintain high-quality, efficient, and scalable backend app. React developer requirements, qualifications & skills: Proficiency in React.js and its core principles Strong JavaScript, HTML5, and CSS3 skills React.js workflows(such as Redux)