React.js Developer

• Experience with popular React.js workflows (such as Flux or Redux)

• Experience with data structure libraries (e.g., Immutable.js)

• Experience with standard front-end development tools such as Babel, Webpack, NPM, etc.

• Thorough understanding of React.js and its core principles

• Familiarity with RESTful APIs and backend services

• Familiarity with code versioning tools such as Git, SVN, and Mercurial

• Familiarity with modern front-end build pipelines and tools

• Knowledge of isomorphic React is a plus

• Knowledge of modern authorization mechanisms, such as JSON Web Token

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model

Job Title: Associate Frontend Engineer

Job Summary:

We are looking for a passionate and motivated Associate Frontend Engineer with 1 to 2 years of experience to join our product engineering team. In this role, you will work closely with experienced developers and designers to build seamless, performant, and user-friendly interfaces using modern JavaScript frameworks. You’ll gain hands-on experience in building production-ready web applications and learn how to deliver high-quality UI at scale.

This opportunity is ideal for individuals who are early in their careers and eager to grow through real-world development, mentorship, and continuous learning.

Website: https://www.thealteroffice.com/about

Key Responsibilities:

• Assist in developing and maintaining responsive, accessible, and performant web user interfaces.
• Work with modern JavaScript frameworks/libraries such as React, Vue, or Angular to build modular, reusable components.
• Translate UI/UX designs from tools like Figma into pixel-perfect, production-quality code.
• Write clean, maintainable, and well-documented HTML, CSS, and JavaScript (ES6+).
• Collaborate with product managers, backend engineers, and designers to deliver complete, integrated features.
• Learn and apply best practices in state management, component-driven development, and API integration.
• Participate in code reviews, understand and follow design systems, and contribute to a culture of code quality.
• Debug and resolve cross-browser, cross-device, and performance-related UI issues.
• Use tools such as Git, CI/CD pipelines, and frontend build tools (e.g., Webpack, Vite) as part of your daily workflow.
• Begin working with TypeScript, Tailwind CSS, and popular UI libraries (e.g., Material UI, Bootstrap) to enhance development efficiency and consistency.
• Follow accessibility guidelines and responsive design principles, ensuring your UI works for all users.
• Gain exposure to linting tools, formatters, testing libraries (unit/integration/e2e), and performance profiling using browser dev tools.

Requirements:

• 1 to 2 years of experience in frontend development through internships, academic projects, freelance work, or personal side projects.
• Solid understanding of HTML, CSS, and JavaScript (ES6+) fundamentals.
• Familiarity with at least one modern JavaScript framework (React, Vue, Angular).
• Understanding of version control systems like Git and ability to collaborate in a team-oriented development workflow.
• Willingness to learn and apply best practices in UI performance, security, accessibility, and maintainability.
• Strong problem-solving abilities, attention to detail, and eagerness to grow through mentorship and feedback.
• Effective communication skills and ability to work in a fast-paced, agile team environment.

• Good understanding of UI, cross-browser compatibility, general web functions, and standards.
• Ensuring the technical feasibility by communicating and co-ordinating with the UI/UX teams.
• Optimizing applications for maximum speed and scalability.
• Working closely with graphic designers and converting designs to visual elements.
•   Expertise and hands-on experience with Web Applications and programming languages such as HTML, CSS, JavaScript, jQuery, Bootstrap.
•   Knowledge of using (Ex: advanced JavaScript libraries and frameworks such as Angular, NodeJS, ReactJS, VueJS, etc.).
•   Developing mobile and desktop responsive web applications.
•   Maintaining code integrity and organization.
•   Assisting in updating the application development policies to ensure that all future applications meet the latest technical requirements.
•   Collaborating with other team members and stakeholders for requirements.

Requirements:

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• Experience with Core web fundamentals: HTML, JavaScript, and CSS like Sass or LESS
• Thorough understanding of ReactJS and its core principles.
• Experience with popular ReactJS state management such as Redux or Flux
• Familiarity with newer specifications of EcmaScript (ES6+)
• Familiarity with RESTful APIs consumption
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
• Ability to understand business requirements and translate them into technical requirements
• Familiarity with code versioning tools such as GitLab, Bitbucket
• Must be passionate about writing clean, efficient, and maintainable code
• Self-starter with the ability to cope with sharp learning curves.
• Excellent teamwork skills,
• Good Communication skill

Good to have:

• Familiarity with NextJs framework.
• Experience with Unit Testing with Jest
• Typescript
• GetsByJS
• Modern front-end build pipelines and tools GitLab or Jenkins
• CI-CD Using GitLab or Jenkins

Who should not apply for this job

• If you are looking for a 100% hike in your salary but can't commit to what value you will bring to the team
• If you never read books
• If you jump companies every 11-12 months
• If you are not comfortable working on Saturdays
• If you have less than 1 years of experience
• If you have more than 4 years of experience
  
  

About the Role:

We are looking for a Front-End Web Developer who is motivated to combine the art of design with the art of programming. Responsibilities will include translation of the UI/UX design wireframes to actual code that will produce visual elements of the application. You will work with the UI/UX designer and bridge the gap between graphical design and technical implementation, taking an active role on both sides and defining how the application looks as well as how it works.

Key-Skills Required:

Node.js  | Express | REST Api | Javascript | Redux-Saga | MongoDB | Web security TLS/SSL | Web Sockets |   Promises & Call-backs | Database & Data structures |  Redis | React.Js

Key Deliverables: 

• New feature design and implementation, Bug fixing, testing, and performance tuning.
• Work on the API and Engines.
• Code deployment on cloud & maintenance of the same.
• Take complete ownership of a product/feature from setup to deployment.
• Time-bound feature delivery & updating.
• Cost-saving using efficient & effective technologies

Role and Responsibilities: 

• Work on back-end (+ frontend integration) development of core scripts using React/Redux/Saga/Hooks and Redis.
• Manage Key-value based databases like Redis.
• Document code consistently throughout the development process by listing a description of the program, special instructions, and any changes made in database tables on procedural, modular and database level.
• Be able to write unit tests.
• Knowledge of bluebird.js (Promises), Async, etc will be of advantage.
• Passionate about building products and features and build the product from scratch with thrust on Web security, TLS/SSL, web sockets, etc
• Develop new user-facing features
• Build reusable code and libraries for future use
• Ensure the technical feasibility of UI/UX designs
• Optimize application for maximum speed and scalability
• Assure that all user input is validated before submitting to the back-end
• Collaborate with other team members and stakeholders

3-6 LPA based on experience and on performance in the interview round (70% Fixed - 30% Variable Incentive based on delivery schedule)

(We do ZERO deductions since the salary will be paid from US/Singapore)

• Ability to design the overall architecture of UI components of the web application.
• Maintain quality and ensure responsiveness of applications.
• Collaborate with the rest of the engineering team to design and launch new features.
• Maintain code integrity and organization.
• Experience working with graphic designers and converting designs to visual elements using JavaScript, HTML, and CSS.
• Understanding and implementation of security and data protection.
• Good problem-solving skills and willingness to learn new technology

Qualifications:-

• 2+ year track record of relevant work experience and a Computer Science or a related technical discipline is required
• Excellent knowledge of JavaScript
• Proficient experience in ReactJS.
• OOPS, Concept, and Data Structure like Queue, Stack, Tree, Linked List, etc.
• Good knowledge in working with REST APIs
• Knowledge of converting designs to working web pages using HTML and CSS.
• Experience in Architecture and delivery of web applications.
• Knowledge of code versioning tool – Git

Good to have:

• Experience in AngularJS
• Experience in server-side programming

Responsibilities:

• Develop new user-facing features
• Build reusable code and libraries for future use
• Ensure the technical feasibility of UI/UX designs
• Optimize application for maximum speed and scalability
• Collaborate with other team members

You’ll be a good fit if you:

• Have 1+ years of experience developing user facing features
• Have a deep understanding of basic UI/UX/design principles
• Are self-motivated and can solve problems independently
• Experience leveraging web technologies like HTML, CSS, and Javascript(ES6)
• Experience using the latest CSS layout methods such as Flexbox and Grid
• Experience with CSS preprocessors like Sass or LESS
• Knowledge and hands-on experience with Node.js ecosystem and leveraging Javascript libraries / frameworks such as React, Angular or Vue
• Experience with testing frameworks (Jest) and writing unit tests
• Competency in building responsive layouts
• Practical knowledge of performance optimization techniques
• Collaboration in a GitHub repository with many contributors and comfortable with workflows like code reviews, forking, pull requests, etc.