Sr. NextJS/React Developer

📍 Position : Lead Angular Developer

📅 Experience : 7 to 12 years

🧑‍💼 Open Positions : 2

📍 Work Location : Bangalore, Pune, Chennai

🏢 Work Mode : Hybrid – 3 days/week in-office

📅 Notice Period : Immediate to 15 days preferred

🔧 Key Responsibilities :

• Lead the design, development, and optimization of responsive and scalable web applications.
• Collaborate closely with UI/UX designers to translate wireframes into high-quality code.
• Drive component-based architecture using modern Angular frameworks.
• Develop reusable, testable, and efficient frontend components using Angular (v2+), JavaScript/ES6, and HTML5/CSS3.
• Ensure seamless integration with APIs, services, and backend systems.
• Conduct thorough unit testing and support integration testing using tools like Jasmine, Karma, Cypress, or similar.
• Promote coding best practices, maintain code quality, and align with SOLID principles and modern design patterns.
• Participate in pair programming, Agile, and Extreme Programming (XP) practices.

🛠️ Must-Have Technical Skills :

• Expertise in Angular (latest versions) and core JavaScript/ES6
• Working knowledge of ReactJS (preferred)
• Strong understanding of HTML5, CSS3, and responsive design techniques
• Familiarity with design tools : Figma, Adobe XD, InVision, Sketch
• Performance optimization for web apps and knowledge of deployment to various web servers
• Testing frameworks : Jasmine, Karma, Cypress, or similar

🎯 Ideal Candidate Profile :

• Currently working as an Individual Contributor in a product-based company
• Proven expertise in leading frontend modules or small teams
• Ability to build user interfaces that are beautiful, functional, and intuitive
• Passionate about clean code and frontend craftsmanship
• Strong communicator and a natural collaborator

🧪 Interview Process :

1. Round 1 : Technical pairing assessment
2. Round 2 : Technical round with panel
3. Round 3 : HR discussion

Basic Qualifications

• BA/BS Degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience.

• 3–5 years of professional software engineering experience with a strong focus on frontend / UI development.

• Strong proficiency in React and TypeScript.

• Solid understanding of HTML5, CSS3, and modern JavaScript (ES6+).

• Experience integrating frontend applications with GraphQL APIs.

• Familiarity with microservices architectures and frontend–backend integration patterns.

• Experience with Git and collaborative development workflows.

• Hands-on experience using AI-assisted development tools in day-to-day engineering work.

Preferred Qualifications

• Experience working with or alongside NestJS-based microservices.

• Familiarity with GraphQL client libraries such as Apollo Client.

• Experience with frontend testing tools including Jest, React Testing Library, Cypress, or Playwright.

• Exposure to frontend performance optimization techniques (lazy loading, code splitting, memoization).

• Familiarity with design systems, accessibility tooling, and component-driven development.

• Exposure to LLM APIs, agent frameworks, or AI-enabled frontend automation.

Suggested Skills

• React / TypeScript

• GraphQL (Apollo Client)

• UI Architecture & Design Systems

• Frontend Testing (Jest, RTL, MSW)

• Build & Tooling (Webpack, ESLint, Prettier)

• CI/CD for Frontend

• AI-assisted Software Development & Automation

Additional Information

• AI-assisted development is a core expectation for this role.

• The team builds modern UI systems backed by GraphQL, NestJS microservices, and intelligent automation.

• This role offers opportunities to deepen frontend expertise while influencing how AI improves

About Klenty:

Klenty is a Software Product company operating in the Sales Engagement category. We

are one of the fastest growing SAAS startups in the sales engagement space, headquartered in

California and operating from Chennai, India. Klenty’s Sales Engagement Product helps

thousands of sales teams automate all the repetitive activities involved in the sales process like

sending emails, follow-ups, tracking engagement metrics, etc - so that the sales team can focus

more on activities like building relationships and closing deals. With over 3000 customers all

over the world, we are on a mission to transform every B2B Sales team into an unstoppable

force. Join us in building the future of sales engagement software.

JD :

Responsibilities:

• Developing new user-facing features using ReactJS.
• Building reusable components and front-end libraries for future use
• Translating designs and wire-frames into high quality code
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers
• 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.
• Writing application interface codes using JavaScript following ReactJS workflows.
• 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.

We are looking for an experienced Front End Architect who is proficient with React.js. Your primary focus will be on developing efficient Front End layers using well known React.js workflows (such as Flux or Redux). You will ensure that these applications 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 product is important. 

Responsibilities: 

• Architecting large scale Enterprise application Front End layers for:
• Maintainability (Modularity, Testability)
• Reusability (ComponentizationCommon Functionality)
• Performance (Caching, Resource Utilization) 
• Security
• 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 
• Leading a team of high performing team React JS developers

Primary Skills:

• React JS, Redux, HTML5, CSS3, Javascript, Jquery, SASS and Typescript
• Develop  user-facing features using ReactJS
• Architect efficient and reusable front-end systems that drive complex web applications
• Identify and resolve performance and scalability issues
• Ensure the technical feasibility of UI/UX designs
• Unit-test code for robustness, including edge cases, usability, and general reliability.

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles.
• Having Experience with popular React.js workflows (such as Flux or Redux).
• Familiarity with newer specifications of EcmaScript.
• Knowledge of isomorphic React is a plus.
• Strong Proficiency in HTML 5, CSS 3
• 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.
• Familiarity with code versioning tools such as Git, SVN, etc.
• Knowledge of functional or object-oriented programming.
• Ability to write well-documented, clean Javascript code.
• Rock solid at working with third-party dependencies and debugging dependency conflicts.
• Understanding of REST APIs, the document request model, and offline storage. 

Experience: 

10+ years of overall experience with 4+ years of mandatory experience with React JS development