React.js Developer

The Role

As a Senior Frontend Developer with deep React expertise you will help us build high-performance, data-driven web applications. You’ll play a key role in designing intuitive UIs, implementing complex interactions, and ensuring our platform is scalable, maintainable, and user-friendly.

Responsibilities:

• Develop and maintain advanced React components for data visualization, interactive dashboards, and document workflows
• Write high-quality, testable code (TypeScript, Jest, React Testing Library)
• Implement complex UI patterns such as drag-and-drop, advanced search, and responsive layouts
• Integrate and enhance PDF viewing and annotation features (PDF.js)
• Optimize performance for large datasets and ensure smooth cross-browser experiences
• Collaborate with backend developers, designers, and product managers to deliver end-to-end solutions
• Mentor junior developers and contribute to improving our frontend architecture and practices

About Us

At QuickCode Consulting, we are dedicated to delivering top-tier IT and Managed Services globally. Our lean and agile team takes pride in creating high-quality, reliable, and scalable solutions for clients across industries. We love taking on challenging projects and turning them into success stories.

Why Join Us?

• Impactful Work: Every test you design, every bug you catch, shapes the experience of real users.
• No Red Tape: A lean team with no unnecessary bureaucracy or micromanagement.
• Learning Opportunities: Work on diverse domains and cutting-edge technologies like Playwright automation.
• Growth Mindset: We invest in your skills and encourage flexibility across different problem domains.

Is This Role for You?

• You have a passion for delivering flawless user experiences.
• You are self-motivated and thrive in a remote-first or flexible environment.
• You are proactive in communication, ensuring alignment and transparency with the team.
• You are open to learning and adapting to different domains rather than being stuck in one.

Must Have Skills

• 5+ years professional experience with React.js + TypeScript and modern React patterns (hooks, component design, state management)
• Strong TypeScript skills for scalable and maintainable code
• Advanced CSS/Tailwind CSS knowledge
• Hands-on experience with testing frameworks (Jest, React Testing Library)
• Solid understanding of frontend build tools (Webpack, Babel)
• Strong problem-solving, communication, and collaboration skills

Nice to Have Skills

• Experience with Storybook and component-driven development
• Experience with data visualization libraries
• Knowledge of performance optimization techniques (React Virtualized, lazy loading)
• Familiarity with accessibility (a11y) best practices
• Exposure to state management libraries (Redux, Zustand, etc.)
• Bonus exposure: GraphQL/REST APIs, Node.js, Docker

What We’re Looking for in You:

1. Qualifications: Bachelor’s Degree in Computer Science, Information Technology, or a related field

2. Certifications: NA

3. The Experience That Sets You Apart:

● Lead the development of responsive, pixel-perfect web interfaces using HTML, CSS, and JavaScript.

● Set and maintain frontend coding standards, structure, and best practices

● Collaborate with designers to bring UI/UX concepts to life with clean, maintainable code. ● Optimize web pages for performance, SEO, and cross-browser/device compatibility.

● Guide and mentor junior developers through code reviews and technical support.

● Own project timelines, quality assurance, and delivery for all frontend initiatives

4. Your Subject Matter Expertise:

● Team leadership — 2+ years leading 10+ member teams

● Strong communicator — aligns tech and non-tech teams

● Detail-driven — ensures UI and code precision

● Collaborative — fosters teamwork and mentorship

● Organized — manages time and parallel tasks efficiently

● Service-based mindset — experience in ~200-employee setups

● Composed under pressure — delivers in fast-paced environments

● Solution-focused — navigates challenges with clarity

Location: Mumbai

Experience Required: 2+ Years

Job Type: Full-Time

Notice Period: Immediate Joiners

About the Role

We are seeking a skilled and experienced Front-End Developer to join our product engineering team. The ideal candidate must have experience working in a product-based software development company and should have hands-on involvement in e-commerce platform projects.

Mandatory Criteria

• Candidate must be currently working or have prior experience in a product-based software development company
• Candidate must have worked on at least one e-commerce platform project (end-to-end involvement)

Key Responsibilities

• Develop and maintain responsive, high-performance web interfaces using React.js
• Translate UI/UX designs into pixel-perfect, reusable front-end components
• Optimize components for maximum performance and cross-browser compatibility
• Integrate front-end components with backend RESTful APIs
• Collaborate with design, backend, and QA teams to deliver seamless user experiences
• Participate in code reviews, testing, and agile development ceremonies

Required Skills

• Strong proficiency in JavaScript (ES6+), React.js, HTML5, and CSS3
• Experience with state management libraries such as Redux or Zustand
• Solid understanding of responsive design and cross-browser compatibility
• Familiarity with RESTful APIs and API integration
• Knowledge of version control systems like Git
• Understanding of performance optimization, debugging, and front-end testing practices

Frontend Developer

Responsibilities:

·         Develop our new products

·         Define and design common reusable components

·         Enhance and maintain our existing products

·         Interact with other teams, as well as with our users

·         Act on user feedback

Qualifications:

·         Experience as a front-end or full-stack software engineer in AWS environment

·         Knowledge of modern JavaScript and its fundamentals, as well as JavaScript frameworks such as ReactJs, Redux, Bootstrap, Jest, Material-UI

·         Strong understanding of web technologies like HTML5 and CSS3

·         Experience with a server-side language would be an advantage. We use mostly Python/Java, but any server-side language would be an advantage.

·         Knowledge of AWS API gateway, microservice architecture, serverless architecture, RESTful services

·         Proven ability to learn new technologies

·         Always using good software engineering practices such as code review, source control, continuous integration, and unit testing

·         Ability to work in a team with other developers, with UX Designers, and with Product Management

·         Ability to interact with our users and customers, with clear communication

·         Problem solving skills, strong analytical skills, strong hands on experience, delivery track record of medium/large complexity of projects, TDD/BDD, awareness of CI/CD pipeline

We're seeking skilled front-end developers tasked with creating user-friendly experiences. Working closely with back-end developers, your focus will be on crafting visually appealing layouts, enhancing user interface/interaction, and optimizing overall user experience.

Key Skills Required:

1. Proficiency in HTML, CSS, and JavaScript.
2. Experience with modern front-end frameworks such as React, Angular, or Vue.js.
3. Collaborative mindset to work seamlessly with back-end developers and cross-functional teams.
4. Strong understanding of responsive design principles for various devices and browsers.
5. Knowledge of UI/UX best practices and a keen eye for design aesthetics.
6. Familiarity with version control systems, such as Git.
7. Problem-solving skills and the ability to troubleshoot issues efficiently.
8. Awareness of web performance optimization techniques.
9. Excellent communication and teamwork abilities.
10. Continuous learning mindset to stay updated with the latest industry trends and technologies.

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

Toplyne is a global SaaS product built to help revenue teams, at businesses with a self-service motion, and a large user-base, identify which users to spend time on, when and for what outcome. Think self-service or freemium-led companies like Figma, Notion, Freshworks, and Slack. We do this by helping companies recognize signals across their - product engagement, sales, billing, and marketing data.

Founded in June 2021, Toplyne is backed by marquee investors and angels (we'll be happy to tell you how much we've raised, and from whom on call). We are building out our founding team as we speak and we'd love to chat with you!

You taking a lot of pride in writing scalable, readable & maintainable code. You have a product bent of mind. You like working in a fast paced environment and ship code most days of the week. You enjoy working cross functionally in a collaborative environment with designers, PM's to build the best product possible. You don't mind getting on customer calls to understand their perspective to build a better product or help them with issues they might be facing.

You're hungry, ready to hustle, and keen to learn!

As a founding member of the core engineering team, you will:

• Work with the founders in co-creating the product with early believers (read: customers)
• Develop massive, complex software systems that scale globally.
• Build and own a substantial part of the product and help build the culture of engineering within Toplyne

• Strong first principles
• Hustle! We're young, lean, and in our early days. You'd have to set up your own shop, work with design customers to find generalisable use cases, and build them out.
• Ability to collaborate with cross-functional teams to build and ship new features
• 2-6 years of experience
• Good understanding and experience working with javascript frameworks such as React.
• Work closely with developers and UX designers to ensure that the presentation layer is implemented in accordance with best above best practices and UX specifications.

• Not looking for a 10x engineer. We are ok if you are 1x but are really good at what you, a good human being & work well in a team.

*Only Immediate Joiners


DESCRIPTION
We are looking for a great Frontend 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 product is important.

RESPONSIBILITIES

• 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

REQUIREMENTS

• 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
• Familiarity with RESTful APIs and sockets
• 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
• Familiarity with code versioning tools
• Experience with PWAs and React Native is a huge plus