

Sunday Labs
https://sundaylabs.ioAbout
Jobs at Sunday Labs
The recruiter has not been active on this job recently. You may apply but please expect a delayed response.
Job title: React.js Developer
Location: Gurugram (Onsite)
Notice: Immediate joiner
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.
• Writing application interface codes using JavaScript following react.js 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.
Requirements:
• Bachelor’s degree in computer science, information technology, or a similar field.
• Previous experience working as a react.js developer.
• In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
• Experience with user interface design.
• Knowledge of performance testing frameworks including Mocha and Jest.
• Experience with browser-based debugging and performance testing software.
• Excellent troubleshooting skills.
• Good project management skills.
- Basic knowledge of Data Structure and Algorithm required
The recruiter has not been active on this job recently. You may apply but please expect a delayed response.
Job Description:
- working on all layers of architecture Understanding the flow of code and how it interacts with different components.
- Building REST API.
- Creating technical design documents by understanding requirements, and product objectives.
- Writing effective Unit tests
- Good analytical skills and innovative mind.
- Source code management.
- Excellent communication skills.
Desired Skills
- Experience on Mern Stack (MongoDB, Express.js, React, Node.js)
- Strong understanding of JavaScript, object-oriented JS, its quirks, and workarounds•
- Strong hands-on experience in JavaScript• Strong proficiency with JavaScript or CoffeeScript depending on your technology stack.
- Good understanding of server-side CSS preprocessors such as Stylus, Less•
- Basic understanding of web markup, including HTML5 and CSS3• Good understanding of asynchronous request handling, partial page updates, jQuery, and AJAX•
- Proficient understanding of cross-browser compatibility issues and ways to work around such issues• Familiarity with JavaScript module loaders, such as Require.js and AMD•
- Proficient understanding of code versioning tools, such as SVN• Good understanding of browser rendering behavior and performance
- Key Programming Skills: MERN stack, full stack, React, Java, HTML/CSS, JavaScript, Bootstrap.
- Experience working with Rest based APIs
Similar companies
About the company
Appknox, a leading mobile app security solution HQ in Singapore & Bangalore was founded by Harshit Agarwal and Subho Halder.
Since its inception, Appknox has become one of the go-to security solutions with the most powerful plug-and-play security platform, enabling security researchers, developers, and enterprises to build safe and secure mobile ecosystems using a system-plus human approach.
Appknox offers VA+PT solutions ( Vulnerability Assessment + Penetration Testing ) that provide end-to-end mobile application security and testing strategies to Fortune 500, SMB and Large Enterprises Globally helping businesses and mobile developers make their mobile apps more secure, thus not only enhancing protection for their customers but also for their own brand.
During the course of 9 years, Appknox has scaled up to work with some major brands in India, South-East Asia, Middle-East, Japan, and the US and has also successfully enabled some of the top government agencies with its On-Premise deployments & compliance testing. Appknox helps 500+ Enterprises which includes 20+ Fortune 1000 and ministries/regulators across 10+ countries and some of the top banks across 20+ countries.
A champion of Value SaaS, with its customer and security-first approach Appknox has won many awards and recognitions from G2, and Gartner and is one of the top mobile app security vendors in its 2021 Application security Hype Cycle report.
Our forward-leaning, pioneering spirit is backed by SeedPlus, JFDI Asia, Microsoft Ventures, and Cisco Launchpad and a legacy of expertise that began at the dawn of 2014.
Jobs
5
About the company
Since 2015, Kanerika has been helping businesses turn ideas into impactful software products. With over 75 years of collective expertise, our team brings together deep product engineering knowledge and a passion for solving complex challenges. We focus on building software that is not just functional but transformative—solutions that create lasting value for our clients.
At Kanerika, we believe great outcomes come from strong partnerships, proven experience, and creative thinking. That’s why we keep our team lean, our approach hands-on, and our commitment unwavering: to deliver products that exceed expectations every time.
Jobs
20
About the company
About Us
HighLevel is an AI powered, all-in-one white-label sales & marketing platform that empowers agencies, entrepreneurs, and businesses to elevate their digital presence and drive growth. We are proud to support a global and growing community of over 2 million businesses, comprised of agencies, consultants, and businesses of all sizes and industries. HighLevel empowers users with all the tools needed to capture, nurture, and close new leads into repeat customers. As of mid 2025, HighLevel processes over 15 billion API hits and handles more than 2.5 billion message events every day. Our platform manages over 470 terabytes of data distributed across five databases, operates with a network of over 250 microservices, and supports over 1 million domain names.
Our People
With over 1,500 team members across 15+ countries, we operate in a global, remote-first environment. We are building more than software; we are building a global community rooted in creativity, collaboration, and impact. We take pride in cultivating a culture where innovation thrives, ideas are celebrated, and people come first, no matter where they call home.
Our Impact
As of mid 2025, our platform powers over 1.5 billion messages, helps generate over 200 million leads, and facilitates over 20 million conversations for the more than 2 million businesses we serve each month. Behind those numbers are real people growing their companies, connecting with customers, and making their mark - and we get to help make that happen.
EEO Statement:
At HighLevel, we value diversity. In fact, we understand it makes our organisation stronger. We are committed to inclusive hiring/promotion practices that evaluate skill sets, abilities, and qualifications without regard to any characteristic unrelated to performing the job at the highest level. Our objective is to foster an environment where really talented employees from all walks of life can be their true and whole selves, cherished and welcomed for their differences while providing excellent service to our clients and learning from one another along the way! Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.
Jobs
5
About the company
]eShipz: Simplifying Global Shipping for Businesses: At eShipz, we are revolutionizing how businesses manage their shipping processes. Our platform is designed to offer seamless multi-carrier integration, enabling businesses of all sizes to ship effortlessly across the globe. Whether you're an e-commerce brand, a manufacturer, or a logistics provider, eShipz helps streamline your supply chain with real-time tracking, automated shipping labels, cost-effective shipping rates, and comprehensive reporting.
Our goal is to empower businesses by simplifying logistics, reducing shipping costs, and improving operational efficiency. With an easy-to-use dashboard and a dedicated support team, eShipz ensures that you focus on scaling your business while we handle your shipping needs.
Jobs
11
About the company
Jobs
1
About the company
Jobs
6
About the company
Jobs
7
About the company
Jobs
1
About the company
PalTech is an IT consulting firm specializing in digital transformational services for small, medium, and large organizations across industries. PalTech is driven by a core team of veteran innovation-hungry engineers who are fueled by the success stories we create for our customers through our services.
We deliver impeccable product engineering expertise in the latest technologies and platforms while assuring speed-to-market with agile development methodologies
Jobs
2






