Senior React JS Developer

Job Role: Lead Frontend Developer - 4+ Years

Location: Bangalore

Company Overview

iAI Solution Pvt Ltd (https://iaisolution.com/) operates at the edge of applied AI where foundational research meets real-world deployment. We craft intelligent systems that think in teams, adapt with context, and deliver actionable insight across domains.

Position Summary

We are looking for a Lead Front-End Developer (4+ Years experience) to join our team in Bengaluru, India with strong expertise in front-end technologies like JavaScript, HTML, CSS, React, and Next.js, as well as a solid understanding of back-end development, including database management and data structures and algorithms (DSA). The ideal candidate will have experience working with both SQL and NoSQL databases, such as MongoDB, and be proficient in using Git for version control. Experience in building SaaS platforms is highly desirable.

Key Responsibilities

• Lead the design, development, and maintenance of scalable, high-performance web applications with a focus on front-end.
• Build responsive and user-friendly interfaces using JavaScript, TypeScript, HTML, CSS, React, Next.js, and Tailwind CSS.
• Define and implement best practices in front-end architecture, state management, and design systems.
• Optimize rendering strategies (SSR, SSG, ISR, RSC) to ensure high performance and SEO-friendly applications.
• Collaborate with product managers, designers, and back-end engineers to define technical requirements and deliver high-quality software.
• Mentor junior developers, review code, and drive continuous improvements in development processes.
• Ensure seamless integration with back-end services and databases (SQL, NoSQL, MongoDB).
• Troubleshoot, debug, and optimize applications for maximum speed, scalability, and reliability.

Qualifications

• 4+ years of professional experience in front-end development, delivering production-grade applications.
• Strong expertise in JavaScript, TypeScript, React, Next.js, HTML, CSS, and Tailwind CSS.
• Proficiency in animation libraries (e.g., GSAP) and building engaging UI experiences.
• Solid understanding of rendering strategies (SSR, SSG, ISR, RSC) and front-end performance optimization.
• Experience with state management libraries (Redux Toolkit, Zustand, Context API, or similar).
• Expertise in building reusable, modular, and scalable component-driven architectures.
• Familiarity with design systems and UI/UX best practices.
• Good understanding of back-end fundamentals, databases (SQL, NoSQL, MongoDB), and REST/GraphQL APIs.
• Strong foundation in data structures and algorithms (DSA).
• Excellent problem-solving and debugging skills.
• Proficiency in Git and collaborative development workflows.

Must-Have Skills

• React, Next.js, TypeScript, Tailwind CSS
• State management (Redux Toolkit/Zustand/Context API)
• Rendering strategies (SSR, SSG, ISR, RSC)
• Strong understanding of UI/UX and responsive design principles
• Strong knowledge of memoization techniques and performance optimization
• Proficient in leveraging network interceptors
• Git and version control best practices
• 
  

Good-to-Have Skills

• Experience with animation libraries (GSAP, Framer Motion)
• Exposure to SaaS platform development
• Knowledge of testing frameworks (Jest, Cypress, React Testing Library)
• Understanding of CI/CD pipelines and DevOps practices

Preferred Qualifications

• Prior experience in leading front-end projects or mentoring junior developers.
• Contributions to open-source projects or strong GitHub/portfolio demonstrating advanced front-end work.
• Experience in AI-driven platforms or SaaS-based product companies.

Perks & Benefits

• Competitive salary with performance-based bonuses.
• Opportunity to work on cutting-edge real-time audio/video applications.
• Flexible working hours .
• Access to the latest development tools and technologies.

About company

It is a fast-growing SaaS startup in the customer onboarding category and has raised $21M in capital (https://twitter.com/RocketlaneHQ/status/1483821563195850753">we rapped about it!) from global VCs such as 8VC, Nexus Venture Partners, Matrix Partners India, and super angels like Gokul Rajaram and Girish Mathrubootham.

Thanks to the rapid early traction and customer love the product has garnered globally from the likes of LinkSquares, AppCues, ContractPodAI, Chargebee, parcelLab, etc., we have been recognized as a Leader in the Client Onboarding category on G2 within six months of product launch.

With a mission to deliver chaos-free, consistent, accelerated, and delightful customer journeys through its purpose-built software the company was founded in April 2020 by second-time entrepreneur trio - Srikrishnan, Vignesh, and Deepak. Previously, the trio built a successful in-app messaging startup that was acquired by Freshworks (NASDAQ: FRSH) in 2015.

We became the https://www.producthunt.com/posts/rocketlane"> #1 Product of the Day on Product Hunt on the day we launched it. We are now building a global and diverse workplace that will empower passionate problem-solvers to innovate, collaborate, do their best work, and see the next phase of hyper-growth together!

What’s the opportunity?

Are you a front-end developer looking to fast-track your learning and growth? Have you looked at world class products like Asana, Notion, or Airtable, and felt “I wish I were part of the early team that built these products”?

We’re a team that has previously built and rolled out globally successful SaaS products used by tens of thousands of customers. We’re laser focused on delivering a world class new product again, and looking for an ambitious front-end engineer to join our existing team of 9 engineers.

If it excites you to think of a fast paced start-up environment, building something big from scratch, breaking down new problems, creating well structured UI components, executing on pixel perfect design, paying great attention to every little interaction detail, and doing demos of your work every Friday with a happy and passionate team, then this is the right opportunity for you.

Some of the tech problems you get to work-on as a front-end developer would include building real-time collaboration experiences across our product, building live document editing and modern spreadsheet experiences from scratch, creating flexible new Kanban-style views of work tasks, and crafting cool new UI components and interactions that we will use across our product.

About you:

• Knowledge in the following areas
  • React
  • SPA Framework patterns
• Hands-on experience in HTML, CSS, SASS & Object Oriented Javascript
• Worked with features provided by browsers (Caching / Storage / Compatibility etc )
  
  

Nice to have:

• Familiarity with AWS
• Experience with startups or early stage teams
• Knowledge of module bundlers like Webpack

What’s in it for me?

• Great opportunity: Rocketlane genuinely cares about everyone we hire. You’ll learn new things and grow no matter how experienced you are; you will be working with founders who have more than three decades of collective experience in building significant B2B SaaS startups.
• Great team: Work with a world-class, high-velocity team that truly embodies the values of empathy, curiosity, and customer-centricity. Check out the https://www.linkedin.com/feed/hashtag/?keywords=rocketlane_meet_the_team">MTT(Meet The Team) videos on our LinkedIn.
• Great culture: An open, fun, and exciting startup culture that empowers its people to champion big problems with the freedom to think and innovate.
• Growth: You could easily and quickly transition into other sales roles you might like.
• Impact: You get to be part of a global, passionate team in a fast-paced and growth-oriented environment. The team has a work philosophy of being high on ambition, ownership, and a bias for action.
• Monetary rewards and benefits: Competitive salary, flexible leave policy, and more!

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
• Assure that all user input is validated before submitting to back-end
• Collaborate with other team members and stakeholders
• Experience of theme design on the WordPress CMS is mandatory.

• 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 frameworks, including jQuery

Note: Every front-end developer is expected to have a proficient knowledge of JavaScript, while most front-end developers should know jQuery.

• Good understanding of (Depending on the specific case, a developer should have the knowledge of advanced JavaScript libraries and frameworks, such as AngularJS, KnockoutJS, BackboneJS, ReactJS, DurandalJS etc.)
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image. Familiarity with tools such as as Gimp or Photoshop is a plus.

Note: A UI/UX designer is expected to deliver finished resources for the developer to incorporate into the app. However, quite often a front-end web developer needs to make some small adjustments.

• Proficient understanding of cross-browser compatibility issues and ways to work around them.
• Proficient understanding of code versioning tools, such as (Git / Mercurial / SVN)
• Good understanding of SEO principles and ensuring that application will adhere to them.

About the job:

It’s not just a job but an opportunity to grow.

We are looking for frontend engineers to join our team where their responsibility will be to build, evolve and maintain user interfaces in a highly technical and rewarding environment.

We're Looking For Someone Who:

• Has a thorough understanding of modern JavaScript.
• Has strong experience and knowledge of React.js
• Has good experience with HTML/CSS
• Has working experience with Typescript
• Is independent, curious and smart.
• Loves building beautiful, reusable interfaces and learning new skills, languages, and frameworks
• Likes being part of a healthy team with fun people working on worthy challenges

To us, it doesn’t matter if you’re not highly proficient in all of the requirements. If you’re good at React with experience in JS, an unwavering learning attitude, a problem-solving mind, and an eye towards a higher career trajectory then we’ll be delighted to have you.

We will ensure that you have all the necessary tools and knowledge to work with the clients. And for this, we will provide the necessary tools to succeed with us and move forward leaps and bounds in your career.

Requirements:

1. React.js: 2+ years of experience
2. React Hooks: 2+ years of experience
3. Javascript: 2+ years of experience (ES6+ recommended)
4. HTML/CSS: 1+ years of experience(Knows ins/outs of CSS with responsive approach)
5. GIT
6. Redux

Nice to have:

1. Node.js
2. Material UI
3. Mongo/SQL

We are looking for a great JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). 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. Therefore, a commitment to collaborative problem-solving, sophisticated design and quality products is important.

• Developing new user-facing features using React.js

• 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

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

• Thorough understanding of React.js and its core principles

• 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 build 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

React Native Developer with iOS  experience - 6 months contract.

Required Experience : 2+ Years

Job Requirements :

- A solid knowledge of JavaScript,HTML&CSS & React Native

- Experience in native iOS and Android development

- Knowledge of functional or object-oriented programming

- Familiarity with native build tools, like XCode, Gradle Android Studio, IntelliJ

- Understanding of REST APIs

Note : This is a 6 months contract position directly under the client payroll.