Frontend Developer - Javascript

A B.Tech/M.Tech in Computer Sc, an UI specialist should have 5-7 years of experience in UI development. We are specifically looking for a specialist who has:

• in depth understanding of Single Page Application Development.
• high expertise in ReactJS concepts, including the modification and creation of ReactDOM /Virtual DOM elements and testing of ReactJS components (Jest, Enzyme)
• proficiency in JavaScript Functional Programming techniques (JavaScript, Strong Understanding of JS Array functions, Ability to build Pure JS functions, Modular JS Development, Proficient in using Webpack bundling)
• strong understanding of JSX Layout dynamics and Styling (JSX, JSS)
• strong understanding of global state management libraries e.g. Redux
• proficiency in agile development environment under open source gitlab including testing, change management
• exposure to full life cycle of enterprise product development
• [Desirable] high level of skill with UI Frameworks such as Material-UI (React) and Prime React

🌟 About Us:

We create AI solutions for hospitals, combining scientific rigor with startup agility.

iON Health's SmartAI is an AI-powered tool developed to help clinicians interact with a patient's medical record using natural language, transforming how healthcare providers access and synthesize clinical data

Founded by serial entrepreneurs with more than 15 successful exits, we offer the opportunity to work alongside elite engineers, clinicians, and product innovators to improve the health of millions of patients each year.

🎯 What We’re Looking For:

• 7+ years of experience with React.js (front-end) and Node.js/Express (back-end).
• Solid understanding of relational and NoSQL databases (e.g., PostgreSQL, MongoDB).
• Experience with cloud platforms (AWS/GCP/Azure) and CI/CD pipelines.
• Comfort working in fast-paced, ambiguous environments with high ownership.
• Prior experience in AI/ML, healthcare, or enterprise software.
• Must Have: Bachelors in Engineering from IIT/NIT/IIIT or similar institutions.
• Good to have: Experience in AI focused startups, early-stage teams, or as a founding engineer.

🛠 What You’ll Do:

• Design, develop, and deploy scalable web applications across the stack (front-end + back-end).
• Collaborate with founders, designers, and other engineers to take features from concept to production.
• Write clean, maintainable, and efficient code using [React.js, Node.js, TypeScript, or your tech stack].
• Work on database design and API development (REST/GraphQL).
• Optimize applications for maximum speed and scalability.
• Contribute to architectural decisions and set up best practices for the team.
• Be hands-on with debugging, testing, and performance tuning.

💡 Why Join Us?

• Work alongside elite engineers, clinicians, and product innovators
• Competitive salary + equity options (you’ll grow as the company grows)
• Fast decision-making and zero bureaucracy
• Shape the future of AI in healthcare

What we want to accomplish and why we need you?

Haptik is one of the world's largest Conversational AI companies, having reached over 500 + million devices, and processed over 5 billion+ conversations till date. Haptik has been at the forefront of the paradigm shift of interaction from clicks to conversations. We have built a robust set of technology and tools that can enable any kind of conversational application. With a 400+ member strong team that is set to double in the coming year, Haptik is truly poised to lead the Conversational AI revolution with some of the best minds in the industry.

We are a full-stack conversational AI company from building products to delivering bots for our clients. We are looking for a front-end engineer who can help us build the next generation of enterprise-grade conversational AI platform.

What will you do every day?

As a front-end tech lead you will be responsible for building the Haptik platform which is used by people across the globe. You will be working closely with the product, design and platform team on a day to day basis and be responsible for the look and feel of the product. While you know how to work hard, you also know how to have fun at work and make friends with your colleagues.

Ok, you're sold, but what are we looking for in the perfect candidate?

- Have a keen eye for detail and passionate about UI and UX

- Has worked with a team of FE engineers to set tech processes and standards.

- Has experience in mentoring junior engineers.

- Have a solid understanding of front-end technologies especially React

- Build, maintain and gate-keep the platform tools

- Work closely with the PM and designers to deliver high-quality features

- Work closely with the backend engineers to understand the Interkat Platform and build for scale

- High-level estimating and scoping/breaking down of tasks

- Document features to make them easily understandable to clients

- Participate in code reviews, automated and functional testing, and other aspects of our quality assurance process

- Use and promote standard good coding practices

- Fully participate in a scrum-based, agile development team

- Maintain up-to-date knowledge of technology standards, industry trends, emerging technologies, and software development best practices

- Work experience around optimizing build artifacts and performance monitoring

- Following security standards when using cookies/others to store user information etc.

Requirements :

- 5+ years of experience working on React.js

- Prior experience of leading/mentoring a team is a plus

- Knowledge of flux and redux

- Must have extensive experience working on Javascript, HTML, CSS, animations and UI/UX principles.

- Knowledge of backend technologies is a plus

- Good attention to detail, pixel perfect designs

- Bachelor's Degree in computer science or equivalent

- Good Communication skills

- Hustler with the passion for writing good code

- Team player

- Must have experience in working in an agile environment, exposure to tools like Jira would be an added benefit.

Requirements is such a strong word. We don't necessarily expect to find a candidate that has done everything listed, but you should be able to make a credible case that you've done most of it and are ready for the challenge of adding some new things to your resume.

We are looking for a React JS/React-Native developer interested in building performant and pixel-perfect web applications. You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.

Responsibilities

• Build pixel-perfect, buttery smooth UIs across both web and mobile platforms.
• Diagnose and fix bugs and performance bottlenecks for performance that feels native.
• Reach out to the open-source community to encourage and help implement mission-critical software fixes—ReactJS moves fast and often breaks things.
• Maintain code and write automated tests to ensure the product is of the highest quality.
• Build and deliver features end to end. (frontend and backend)

Skills

• Firm grasp of the JavaScript and TypeScript language and its nuances, including ES6+ syntax
• 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 Firebase cloud functions, firestore and offline storage
• Experience with automated testing suites, like (Jest or Mocha)

About Xpresslane:
Xpresslane is a universal one-click checkout platform for eCommerce. We want to transform the way online shoppers buy, Democratize optimized checkout and post checkout experience. We have achieved 150+ signups from D2C merchants in the last year alone and are aggressively adding new features to help solve problems in their checkout process.

Engineering @Xpresslane:
We are a small group of Tech Enthusiasts, Product Managers. We give incredible value to design and UX is our topmost priority. We've implemented products using Go, Java, Kubernetes, Docker, Temporal, GraphDB, Svelte & React, Cypress, Gitlab CI/CD.

Why Engineering @Xpresslane:

• Opportunity to Design & Implement new features which are internet-facing.
• Opportunity to Design Scalable Distributed System spanning many regions.
• Freedom to learn & work across Frontend/Backend/Devops/Design Expertise.
• 2-4 years of experience in Frontend Engineering.
• Expertise in one or more frontend frameworks like React/Angular/Vue/Svelte
• Style the frontend applications with an incredible focus on design & UX.
• Self-driven in identifying opportunities to make things better and efficient.
• Ensure code quality and reliability through automated test implementations.
• View frontend as Engineering i.e, plan & implement components for reusability, testability
  and scalability.
• Nice to have, experience in using Figma/Sketch for quick mockups & prototypes
• Nice to have knowledge of cache busting, CSRF, XSS attacks.

Job Requirements/Responsibilities :

- Participate as a team member in all phases of software development lifecycle.

- Coordinating with the team on individual responsibilities and roadblocks.

- Perform design, development and testing on individual tasks

- Managing initiatives on UI/UX work

- Transparently share the challenges & feedback.

- Participate in integrated testing of product/ package.

- Designing a modern highly responsive web-based enterprise application component user interface.

- Building reusable components and front-end libraries for future use.

- Translating designs and wireframes into high-quality code.

- Learn and understand user interactions.

- Optimizing components for maximum performance across a vast array of web-capable devices and browsers

- Coordinating with various teams working on distinct layers.

- Providing technical assistance to the other teammates.

- Keep compliance with Quality Systems and Procedure