React.JS Developer

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.

Requirements:

• Bachelor’s degree in computer science, computer engineering or similar.
• Previous work experience as an AngularJS developer.
• Proficient in CSS, HTML, and writing cross-browser compatible code.
• Experience using JavaScript building tools like Gulp or Grunt.
• Knowledge of JavaScript MV-VM/MVC frameworks including AngluarJS.
• Technical lead skills. Can handle a team or independent technical delivery
• Proven experience implementing front-end and back-end JavaScript applications.
• Excellent communication skills.
• Critical thinker and good problem-solver.

Responsibilities

Develop high quality, secure, stable code for use in products and solutions for

customers, making it easier for other developers to maintain, enhance, reuse,

and localize

Work with Product Owner and/or Product Manager/Team to understand and help

refine functional requirements for new products

Develop and outline architecture and relationships between subsystems and

participates in review of those designs

Investigate and, if necessary, prototype technologies and algorithms relating to

the task

Break down a large problem into smaller components and provide a clear

solution for each piece

Ensure new code, feature or software product meets performance goals/metrics

Research external best practices and emerging technologies for possible

incorporation into company products and methodologies

Write and maintain the code following Test-Driven-Design principles

Minimum Qualifications

Bachelor’s degree in any Engineering discipline from reputed engineering

college

5 to 7 years of strong programming skills in Web and Cloud Technologies

Should have a very strong foundation in JavaScript, and must have a clear

understanding of basic web fundamentals such as prototype based inheritance,

scopes, Event Loop, Memory Management in JS, etc

Should be good at developing modular front-end applications and is expected to

have the knowledge to create good abstractions that can be reused . Should also

have in-depth understanding of latest ES6 standards such as spread operators,

arrow functions, etc

Should have strong programming skills in Web and Cloud Technologies

Should be strong in OOAD Concepts

Should have a strong hands-on in React, Typescript

Should have Hands-on experience in any of the backend language.

Should understand latest paradigms in Front End Development such as Pub-Sub

Pattern, Redux, RxJS, Service Workers, Client Caching, Lazy Loading, Dynamic

Injection, Bundle Optimisation, etc

Should have very good hands-on knowledge of CSS3 & HTML5

Should have good knowledge of Postman API Platform

Should have experience with Amazon web services – ECS, Lambda, S3, SQS, etc

Should have Hands-on experience of developing RESTful web services and

integrating the same with heterogeneous clients

Should have Hands-on experience with Relational or NoSQL Database’s

Should have a very clear understanding of TDD is expected and should have

good exposure to writing UT's and designing UI components with testability in

mind

Should have Strong Communication and Analytical skills

Flexibility under changing conditions and the ability to multi-task between

projects

Preferred Qualifications

Hands-on experience with C++

Nice to have experience with Python

Nice to have experience with CI/CD tools like Docker, Jenkins, etc

Nice to have a hands-on & Understanding of CSS Pre-processors such as SASS,

LESS, etc

Job Description:

- We are looking for a great Frontend developer who is proficient with Javascript and/or React.js to join us at the earliest.

- You will be entrusted with developing user interface components and implementing them using popular React.js workflows (Flux, Redux, etc.).

- You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure.
- Apply now if you love collaborative problem solving, sophisticated design, and ensure the quality is maintained.

Know your work:
- Responsible for the development of a new highly-responsive, web-based user interface.
- Construct visualizations that are able to depict vast amounts of data.
- Building reusable components and front-end libraries for future use.
- Translating designs and wireframes into high-quality code.
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers.
- Develop a flexible and well-structured front-end architecture, along with the APIs to support it.

What you need to apply:
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
- Thorough understanding of React.js and its core principles.
- Hands-on experience with React Native is an added advantage.
- Experience with popular React.js workflows (such as Flux or Redux).
- Familiarity with newer specifications of ECMAScript.
- Experience with data structure libraries (e.g., Immutable.js)
- Knowledge of isomorphic React is a plus.
- Familiarity with RESTful APIs.
- Knowledge of modern authorization mechanisms, such as JSON Web Token.
- Familiarity with modern front-end builds pipelines and tools.
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
- Ability to understand business requirements and translate them into technical requirements.
- A knack for benchmarking and optimization.
- Familiarity with code versioning tools (Git, SVN, and Mercurial)

What you get:
- Amazing workplace and colleagues in the IT corridor of Bangalore
- Competitive salary at par with the best in the industry
- Immense exposure to new technologies

Notice Period & Location:
Notice Period: Immediately or within 2 Weeks
Location: Bangalore/Bengaluru or Pune

No of Positions: 10

Job Type: Full-time