Senior Software Engineer (Front-End/React.js) | Holofy London

Technical Skills Required :

1. Hands-on development experience on ReactJS.
2. Must have experience in leading a team of developers.
3. Excellent front-end development skills: JavaScript ES6, HTML5, CSS3, Bootstrap/Flex.
4. Excellent understanding of web browsers, mobile browsers and responsiveness.
5. Experience in UI Build using Webpack/ Gulp.
6. Excellent communication skills.
7. Proficient understanding of code versioning tools, such as Git, Bitbucket, GitHub.
8. Proficient understanding of the performance of web and mobile applications.
9. Knowledge of the Django web framework or Python will be an added advantage.

Responsibilities :

1. Develop new user-facing features, web and mobile applications.
2. Use HTML, CSS, and JS to deliver the front-end of projects on time.
3. Work with UI & UX designers and project managers to ensure timely delivery of code.
4. Work with Backend developers and ensure smooth integration with CMS or APIs.
5. Build reusable code and libraries for future use.
6. Ensure the technical feasibility of UI/UX designs.
7. Optimize website for maximum speed and scalability.
8. As part of the core team, you will be working on cutting-edge technologies like Spark, Flume, online back testing, data visualization, and machine learning.
9. All Developers will be involved with the entire lifecycle of the product, right from product conceptualization, design, implementation and mobile app and web delivery.
10. Salary on par with the industry, with company equity.

Job Overview:

We are looking for a passionate and skilled React.js Developer with 1-2 years of experience in front-end development. The ideal candidate will be responsible for developing and maintaining web applications using React.js while ensuring high performance, responsiveness, and seamless user experiences.

Key Responsibilities:

• Develop and maintain responsive web applications using React.js.
• Collaborate with designers and backend developers to implement UI/UX designs.
• Optimize components for maximum performance across multiple devices and browsers.
• Work with RESTful APIs and integrate third-party services.
• Troubleshoot and debug application issues.
• Maintain clean, scalable, and reusable code following industry best practices.
• Participate in Agile development processes, including scrum meetings and sprint planning.

Required Skills:

• Strong proficiency in React.js, JavaScript (ES6+), HTML, and CSS.
• Knowledge of Redux, Context API, or other state management libraries.
• Experience with RESTful APIs and asynchronous programming.
• Familiarity with Git version control.
• Understanding of responsive design and cross-browser compatibility.
• Basic knowledge of Node.js (preferred but not mandatory)

We are a fast-paced startup and looking for a developer fluent in problem-solving,Javascript and ReactJS to help us deliver an amazing advertisement solution.

Roles and responsibilities:

1. Develop new features in React/NextJS
2. Write unit test cases
3. Fix bugs and write technical documentation
4. Write CI/CD pipelines for the UI

Proficient in ReactJS and its core principles such as state management, hooks, and component lifecycle

Strong understanding of JavaScript, HTML, CSS, and related web technologies

Experience with Redux or other state management libraries

Knowledge of modern front-end builds tools such as Webpack and Babel

Understanding of REST APIs and experience integrating them with a ReactJS front-end

Familiarity with Git and version control practices

Responsibilities:

Developing user-facing features using ReactJS

Building reusable UI components and libraries for future use

Ensuring the technical feasibility of UI/UX designs

Optimizing components for maximum performance across a wide range of devices and browsers

Collaborating with cross-functional teams to solve complex problems

Participating in code reviews and ensuring code quality through testing and debugging

Staying up-to-date with the latest industry trends and technologies related to ReactJS.

 Extensive (4+ years) knowledge of web technologies and building large scale web applications​

· Strong proficiency in Java Script​

· Expertise in Object-oriented programming​

· Understanding the fully asynchronous behavior of React.js (Redux)

· Solid understanding of user-centered design principles and MVC/MVP/MVVM patterns specific​

to front- end development​

· Good in problem-solving skills​

· Good in English communication (verbal and written)

What You Will Be Doing:

• Create highly responsive B2C web-app using a wide range of open source frontend and backend technology.
• Create single page applications using wide range of javascript & cutting edge libraries/frameworks.
• Responsible for the full lifecycle of a project, including development, unit testing, system testing and change management.
• Research technical issues and provides recommendations to enhance JavaScript products.
• Working with multiple projects.

What we are looking for:

• Bachelor’s degree in Computer Science or equivalent preferably from IIT,NIT & other premier institutes.
• Rockstar JavaScript developer, who appreciates the intricacies of JS as well as passionate to follow new trends in JS.
• Experience with product companies.
• 4-9 yrs of software development on advanced JavaScript stack (Native JavaScript, Asynchronous Request Handling, AJAX, HTML5, CSS3, etc).
• In-depth knowledge in ReactJS & NodeJS
• Proficiency in any other modern web frameworks will be a plus.
• A solid knowledge of advanced data structures & algorithms.
• Proficient in Computer Science fundamentals & object-oriented design.
• Solid understanding of cross-browser compatibility issues and ways to tackle those.
• Must possess a track record of building Single Page responsive UI.
• Experience with Databases such as NoSQL and any RDBMS will be a plus.
• Experience with transport protocols such as TCP, HTTP & WebSocket.
• Expressing and appreciating design patterns is a real addition.
• Critical of coding practices and development methodologies