Careers at Calance

React JS Developer

Location: Gurgaon, India

Job Summary

We are looking for React JS Developer who can design and develop Front-end modules for company's best-in-class next-generation products and services (cloud based multi-tenant product), solve fundamental problems in business processes and technology architecture using cutting edge technologies, create high-performance complex single page web applications utilizing exceptional JavaScript programming skills and knowledge of React-Redux ecosystem with the latest web tooling and ES2018+. This role also requires the developer to integrate complex UI functionalities by designing and implementing code on top of our data analytics platform and integrate with third party tools.


  • Develop high quality software modules that adhere to excellent architecture and design principles that are maintainable, configurable and extensible while generating tangible business value
  • Employ best coding practices to expedite development while ensuring compliance with non-functional requirements such as scalability, high availability, performance, and security
  • Ensure timely and flawless delivery of projects


  • 3-5 years hands-on experience developing scalable software products and solutions in JavaScript utilizing best practices in design patterns and coding with latest frameworks, tools and techniques
  • Good documentation, presentation & communication skills
  • Strong analytical & problem solving skills
  • Expertise in JavaScript (ES2018+, ES5, Design Patterns, Prototype Inheritance, etc.)
  • Good Responsive CSS Design skills, SASS
  • Strong programming skills including object oriented design, prototyping, development, testing, profiling, etc.
  • Knowledge of:
    • React-Redux and component-based frameworks
    • Bundlers like Webpack, Transpilers like Babel
    • Testing Frameworks like Jasmine, Mocha
    • Browser Programming Model, DOMs, BOMs, CSSOM, Event Loops
    • Data structures and algorithms; active interest in reading / learning and researching newer techniques and conceptualizing them
    • Scalable front end solutions using browser as programming model and creating well tested applications
  • Experience as direct contributor in small teams and collaborative environments, helping coworkers and stakeholders define project roadmaps
  • Strong project management skills

Who we are

Calance is a global IT Services firm specializing in end-to-end solutions for Development, Robotic Process Automation (RPA), Business Intelligence and Data Science, DevOps enablement, Managed Services, Security, Construction Management Software Integration and IT Staffing.

Headquartered in Southern California with offices across US and India, our team has made a commitment to excellence for over 20+ years. At Calance, we pride ourselves on building long-lasting relationships — both with clients and with our team. This fosters a culture of trust and a commitment to creating high-quality, customer-oriented IT solutions, which is why we’ve seen a 90% client retention rate and successful long-term relationships with leading SMB and enterprise partners.

With decades of extensive domain knowledge in technology solutions and exceptional customer support, the Calance team shares a passion for helping organizations achieve digital transformation and build streamlined IT infrastructure that supports their continued success. Our customized IT solutions empower organizations to hit their long-term business goals and lead their industry.

We believe our long term relationship with employees is one our most valuable assets. At Calance we strive to build a culture where personal and professional growth are as important as customer growth and success. We often refer to Calance as a family — a family committed to sustainably growing businesses, driving client success, and working to ensure everyone in the family achieves their full potential.

We offer generous compensation and a benefits package — which, coupled with an exceptional company culture, has resulted in most Calance team members staying with the company for over 7+ years. We also provide H1B work permits and permanent residency sponsorship.