React.js Developer

Frontend Engineer (Next.js / React / TypeScript)

Position Summary

We are seeking a Frontend Engineer with deep expertise in Next.js, React, and TypeScript to join our growing engineering team. The ideal candidate will have experience building scalable, modern web applications, with strong knowledge of Tailwind CSS for styling and proficiency in integrating with MongoDB backends and AI/LLM APIs (e.g., OpenAI). You will work closely with backend engineers and AI specialists to build seamless user interfaces that power cutting-edge AI-driven applications.

Key Responsibilities

• Develop, optimize, and maintain frontend features using Next.js, React, and TypeScript.
• Implement responsive and scalable UI components with Tailwind CSS.
• Integrate with backend APIs built on MongoDB and other data sources.
• Work with AI/LLM APIs (OpenAI, LangChain, etc.) to deliver intelligent, context-aware features.
• Collaborate with backend and AI engineers to ensure efficient data flow and optimal performance.
• Write clean, reusable, and testable code with strong attention to detail.
• Participate in code reviews, sprint planning, and product design discussions.

Required Skills/Qualifications

• Strong proficiency with Next.js, React, and TypeScript.
• Experience with Tailwind CSS and modern component-based UI development.
• Familiarity with integrating MongoDB backends into frontend applications.
• Experience consuming AI APIs (OpenAI, HuggingFace, etc.).
• Understanding of REST and GraphQL API consumption.
• Strong problem-solving skills, debugging, and optimization techniques.
• Excellent collaboration and communication skills.

Preferred Skills/Experience

• Experience with SSR (Server-Side Rendering) and ISR (Incremental Static Regeneration) in Next.js.
• Familiarity with state management libraries (Redux, Zustand, Recoil, etc.).
• Exposure to vector databases or AI-driven UI personalization.
• Prior experience working in a SaaS or data-heavy application environment.

We are currently hiring a Frontend developer for a startup in the B2C marketplace space based out of Mumbai.  This startup is an Online Marketplace, that serves as a Discovery and Booking Platform for Kids’ Activity Classes. Operations were launched in  November 2019, and have over 20KParents and 500+ educators listed on our Platform across the major Tier-I and Tier-II cities in India.

Platform details are listed below :

1. A SaaS platform for educators to simplify the management of their classes and

workshops. Educators get access to a dashboard and use our Class Management tool

to create listings, view registrations, manage bookings and payments. The dashboard

also provides analytics for teachers to track visitor traffic, see drop offs and

understand which social media channel generates maximum ROI for them.

1. Discovery & Booking Platform for parents so that they can search, view and book

classes and workshops for their children.

Top 2 role must have’s

1. You should have REACT JS experience of building a product
2. You should be willing to work in a very early stage startup( Not funded yet)

Tech skills required for this role:

• Front end design in REACT JS at least 1.5 years
• AWS server
• Mongo Database
• API's written in Nodejs

Role & Responsibilities

We are a workplace thriving on young energy, on mentorship, craziness, drive and commitment to making a difference. This is what we could open for you!

We are looking for an experienced and accomplished Frontend Developer (ReactJS). The role will suit a natural problem solver. The core role will be in a technical leadership capacity.

Primary Responsibilities

• Meeting with the development team to discuss user interface ideas and applications.
• Reviewing application requirements and interface designs.
• Identifying web-based user interactions.
• Developing and implementing highly-responsive user interface components using React concepts.
• Troubleshooting interface software and debugging application codes.
• Developing and implementing front-end architecture to support user interface concepts.
• Monitoring and improving front-end performance.
• Documenting application changes and developing updates.

Ideal Candidate:

• In-depth knowledge of JavaScript, CSS, HTML and front-end languages.
• Must have minimum 1.5 years of experience in React JS.
• Knowledge in Web services, Web API, REST services, HTML, CSS3
• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
• Excellent problem-solving ability and desire to learn new technologies and platforms.
• Experience with user interface design.
• Experience with browser-based debugging and performance testing software.
• Design, build, and maintain efficient, reusable, and reliable codes by setting expectations and features priorities throughout development life cycle
• Good teamwork.
• Excellent troubleshooting skills.
• Good project management skills.
• Flexible in his/her technical approach with a willingness to try new, creative technical solutions.

Working Mode: Only Office 

Job Location : Bangalore

Interview Process

First Round – Telephonic Discussion

Second Round – Zoom Call

https://polyglots.io">Polyglots is a young and innovative software development agency located in Pune, India. Our expertise is to build highly scalable applications and infrastructure solutions for our partners and budding startups.

We provide end-to-end solutions ranging from cloud architecture to backend services and modern frontend development. We leverage agile methodologies, software life cycle best practices and cutting edge technology to deliver perfect solutions reflecting our passion for software development.

We care about our company culture and invest in people to create the best teams of highly skilled developers. 

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.

• 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
• Design mobile-based features
• Collaborate with other team members and stakeholders
• Stay up-to-date on emerging technologies
  
  

• Proficient understanding of web markup, including HTML5, CSS3
• Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS
• Proficient understanding of client-side scripting and JavaScript. Familiarity with ES6 or Typescript would be a plus.

• Good understanding of Angular or React.
• Good understanding of asynchronous request handling, partial page updates, AJAX and Rest APIs.
• Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image. Familiarity with tools such as Gimp or Photoshop is a plus.

• Proficient understanding of cross-browser compatibility issues and ways to work around them.
• Proficient understanding of code versioning tools, such as Git / Mercurial / SVN.
• Working knowledge of server side technologies is a plus

We're looking for developers who are interested in solving problems. We like people who are willing to work across the technology spectrum. 

An example of a typical problem would be a product feature that requires UI/UX (Typescript/React/HTML/SCSS), server changes (Java/Scala/R), and database changes (MySQL).

You will own some or all of a product/feature. You will also mentor others, read and review code, maintain code, deploy code, tune the performance of systems, as required.

Requirements :

- We're looking for 4 years or more of relevant work experience. That being said, if you think you have the necessary skills to make the number irrelevant then do talk to us

- Proficiency in Java, JavaScript, and sufficient knowledge of database concepts to write efficient queries

- Working experience in one or more of React, Redux, Typescript, and associated tools such as Webpack, Grunt, Gulp etc.

- Working experience in HTML, (S)CSS

- Working experience writing unit/functional/integration tests

- Knowledge of Java 8 features such as streams and lambdas is a plus

- Knowledge of REST concepts and design is a plus

- Knowledge of ES6 features/syntax is a plus

- Knowledge of functional programming concepts is a plus

- Knowledge of build/deploy tools such as Ant, Maven, Gradle, Ansible, Chef, Puppet etc. is a plus

- Knowledge of one or more scripting languages such as Awk, Bash, Perl, Python, Rubyetc. is a plus

- Ability to use modern IDEs such as VSCode, IntelliJ IDEA, Eclipse etc. is a plus

- Knowledge of container technologies such as Docker, Kubernetes, etc. is a plus

Bonus Points :

- For product experience. We're a product company. Talk to us if you have worked on software products

- For startup experience. Have you worked in a any startups? We're always looking for people who have startup experience

- If you've developed and deployed any software for your own, or others- use

- If you've contributed to open source projects

- If you've spoken at developer conferences, published articles in tech websites, published podcasts

- If you communicate well. Do you blog? Can you explain ideas clearly and succinctly? Can you answer questions in short, clear sentences?

- If you have technical certifications such as AWS, Docker, Redhat etc.

- If you're self taught. Have you learned other programming languages, technologies etc. on your own? Share the details of the courses you took online, for instance.

- For deep knowledge in one or more areas. We like people who dig down, understand concepts in detail

- If your code/work is out there in public. We'd love to see what you've developed and deployed to the external world