
Designation: React.js Developer (Frontend)
Department: Software Engineering Team
Location: Bangalore
Qualification: Any Computer (Graduate or Post Graduate)
Experience: 5+ years of relevant experience in developing and implementing user interface components using React.js concepts and workflows (Redux, Flux, and Webpack).
Responsibilities:
- Developing and implementing highly-responsive user interface components using React concepts.
- Developing and implementing front-end architecture to support user interface concepts.
- Building reusable components and front-end libraries for future use
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers
- Monitoring and improving front-end performance.
- Prepare technical documentation
- Collaborate with UX/UI designers to implement design into the code
- Coach junior team members
- Implement software enhancements and suggest improvements
Skills Required:
- 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)
- Preferred to have experience in Javascript, CSS, HTML, and Photoshop (any wireframing tool)
- Knowledge of isomorphic React is a plus
- Familiarity with RESTful APIs
- Familiarity with React Native, NodeJS is a plus
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Good communication skills. Ability to understand business requirements and translate them into technical requirements
- Good understanding of computer science fundamentals - data structures, algorithms, memory management, performance.
- Enjoys coding and problem solving
- Familiarity with code versioning tools (such as Git, SVN, and Mercurial)
Salary: Upto 18LPA (Negotiable)
IMMEDIATE JOINING PREFERRED!

About K12 Techno Services
About
K12 Techno Services Pvt. Ltd was incorporated in the year 2010 and with its registered office in Bangalore is a leading education service provider in India, offering a dynamic suite of academic support, services and solutions to schools. The upgraded teaching methodologies, blended with effective use of technology has been the main idea behind the organization i.e. to pave the way for a global approach towards education. With its band of services, facilitate schools to leverage on its strength.
Planning academics and its execution with teachers and resource management are some of the key features of our academic support and services. We provide a combination of digital media supports, including multimedia teaching aids in the form of text, images, audio-visual mode to facilitate a multi-sensory approach to knowledge sharing. We also train and support the teachers throughout the academic year, for effective classroom management practices.
Our range of offerings:
- Orchids The International Schools
- Sparkle Box - Education Kits (Preschool – 10th Grade)
- AOL Online Schools
- Plufo - Online Tuitions (Preschool – 8th Grade)
- Eduvate (ERP – School Management)
Company video
Connect with the team
Similar jobs
Job overview:
We are seeking an experienced React.js Developer who is passionate about crafting high-quality, scalable, and performant front-end applications. The ideal candidate should have strong hands-on experience in modern JavaScript frameworks, UI development, and a keen eye for detail.
Key Responsibilities
- Develop and maintain responsive web applications using React.js, JavaScript (ES6+), HTML5, and CSS3.
- Build scalable and reusable UI components with React Hooks, Redux/Context API, and component-driven architecture.
- Optimize app performance to ensure fast load times, smooth interactions, and cross-browser compatibility.
- Write clean, modular, well-documented code following industry best practices and Git-based workflows.
- Troubleshoot, debug, and enhance existing features based on user feedback, analytics, and technical requirements.
- Integrate RESTful APIs and collaborate closely with backend engineers, designers, and product managers.
- Stay updated with emerging trends, tools, and best practices in front-end development to continuously improve the codebase and architecture.
Required Skills
- 4+ years of hands-on experience in React.js and JavaScript (ES6+).
- Strong understanding of HTML5, CSS3, Flexbox, Responsive Design, and UI frameworks (Tailwind/Bootstrap).
- Experience with state management using Redux, Redux Toolkit, or Context API.
- Hands-on experience with REST APIs, asynchronous programming, and front-end build tools (Webpack, Babel, npm/yarn).
- Good understanding of version control using Git.
- Ability to write efficient, scalable, and re-usable components following best practices.
About the Role:
We are seeking a skilled and enthusiastic React.js Web Developer to join our technology team. The ideal candidate will be responsible for building high-quality user interfaces, enhancing user experience, and developing efficient web applications.
Key Responsibilities:
1. Develop responsive, interactive, and high-performing web applications using React.js, JavaScript/TypeScript, and modern front-end libraries.
2. Translate UI/UX wireframes into high-quality code and reusable components.
3. Optimize components for maximum performance across various devices and browsers.
4. Work with the team to design, structure, and maintain scalable front-end application architecture.
5. Integrate REST APIs, third-party services, and internal tools into the application.
6. Manage application state using tools such as Redux, Context API, or other state management libraries.
7. Write clean, readable, and well-documented code following best industry practices.
8. Conduct thorough debugging, troubleshooting, and performance enhancements.
9. Assist in deployment processes and ensure the application works smoothly in production.
10. Familiarity with CI/CD pipelines is an added advantage.
11. Collaborate with the team on planning, development, and code reviews.
12. Stay updated with the latest technologies and development best practices.
Required Skills & Qualifications:
- Bachelors degree in Computer Science, IT, or related field (or equivalent experience).
- 2 - 3+ years of experience in React JS development.
- Strong proficiency in JavaScript (ES6+), HTML5, CSS3.
- Hands-on experience with React Hooks, Redux, Context API, and component-based architecture.
- Good understanding of REST APIs and asynchronous request handling.
- Experience with build tools like Webpack, Babel, Vite, etc.
- Familiarity with Git/GitHub and version control workflows.
- Knowledge of responsive design and cross-browser compatibility.
- Strong problem-solving and analytical abilities.
- Ability to work independently as well as in a team environment.
- Time management skills and ability to meet deadlines.
- A positive attitude and willingness to learn new technologies.
Why Join Us?
- Competitive Salary and Professional development opportunities and training.
- Opportunity to work with cutting-edge technologies in a fast-paced environment.
- A supportive environment that encourages learning and growth.
- Collaborative team culture focused on creativity and continuous improvement.
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 also Shopify
● 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
We're looking for a Front-end Developer who is able to develop interactive, user-friendly
interfaces which are AMAZING and AESTHETIC in design, appearance, architecture, and compatibility. You will work on a diverse set of unique and challenging projects that allow user to seamlessly interact with technology.
Work Details:
● Deliver best-in-class HTML5/CSS3 front-end code across a broad array of interactive
web and mobile projects
● Excellent eye for layout and ability to translate PSD files into pixel perfect HTML/CSS
code. SASS is a plus.
● Experience with modern JavaScript libraries and frameworks in any of them (React,
Angular or Vue)
● Proficiency working with RESTFUL APIs is a plus
● Intimate knowledge of cross-browser and cross-device development
● Ability to write high-performance, reusable code for UI components, including
appropriate testing
● Some experience in object-oriented programming.
● Strong problem solving, troubleshooting, & analysis skills.
● Familiarity with Linux/Unix environment
● Keen to learn, mentor and willingness to take ownership of work items
● Some experience with distributed version control systems, such as Git
Requirements
● Bachelor’s degree in Computer Science or a related field, or equivalent professional
experience
● Experience working with agile teams and making rapid decisions in a dynamic and
disruptive environment
● 3+ years of relevant software development experience
● Strong communication skills
As a Senior Experience Technologist, you’ll be working as part of an agile team with other passionate, driven, and talented people, creating innovative solutions for our clients. Your primary responsibilities will include developing interactive web-based, mobile, and/or desktop applications using Sapient as well as industry best practices to deliver high value and quality to Publicis Sapient clients.
What are we looking for in you?
• Technical end-to-end design for stories by collaborating with business analyst/product owner, technical architect and clients
• Implement stories end-to-end, which includes Frontend, Backends for Frontend (BFF), Caching and also service orchestration in some cases) using best engineering practices like test-driven development, SOLID principles and consideration of non-functional requirements like performance, scalability, security or cloud readiness (as applicable) at the story level
• Automates testing at unit, module and integration level as needed using tools relevant for the platform (e.g. Jasmine, Jest, Karma, Webdriver.io etc.)
• Focus on quality by implementing best practices like logging, calling out technical debt, meeting KPIs using code quality tools like SonarQube, ESLint (customize and sync with Sonar), Stylelint/Sasslint and so on.
• Hands-on with automating redundant work, like common component structure, both in terms of scaffolding as well as using the right design patterns / creating abstractions.
• Mentor junior engineers in helping review code, guiding on technical decision making
Key Requirements:
• 4-9 years’ experience
• Hands-on knowledge of HTML5, CSS3, JavaScript
• Hands-on experience working with Object Oriented JavaScript (OOJS), JavaScript - and practical uses in building complex interactive experiences, primarily with ECMAScript 2015+. You should be up-to-date with new specifications (different stages), and also, using transpilers like Babel to use features from all stages
• Good understanding of creational and structural design patterns in JavaScript
• Experience working with Single Page Applications (SPA) with universal rendering capabilities.
• Good understanding of React.js, its core principles - lifecycle methods, virtual DOM etc. and at least 6 – 12 months hands-on experience with the same
• Understanding of one-way data flow and the Flux architecture.
• Understanding of stateful (container) vs stateless (presentational) components and how to break down the application page into components
• Core understanding of how React’s state management works out of the box.
• Understanding of different CSS architectures that go hand-in-hand with React.js application development. Pros and cons of component-level CSS vs global and where to apply each
• Thorough understanding of Webpack bundler (version 2+).
• Good understanding of the Web Components standard.
• Hands-on experience with building Progressive Web Apps (PWAs) on any framework.
• Hands-on experience with Frontend Performance Optimization – especially in a React application with respect to resource loading strategy, CPU/Memory profiling on the browser.
• Hands-on experience with test-driven development using Jest or equivalent. Familiar with snapshot testing, code coverage. Experience working with utilities like Enzyme
• Experience using fluid grids, and building responsive/adaptive websites using Bootstrap etc.
• Understanding of SEO and accessibility and making it part of the development workflow
• Moderate to Strong graphics manipulation/optimization skills using Photoshop is a plus.
Knowledge & experience of the below skills will earn additional brownie points:
• Logically understands relational databases like MySQL and non-relational databases like MongoDB and can manage to work with it.
• Hands-on experience with GraphQL.
• Hands-on experience working with client-side templating languages like Handlebars, Mustache, etc.
• Hands-on experience with Functional Programming (FP)
• Hands-on experience working with frontend build systems and automating the same using any task runner
• Understanding of hybrid vs native mobile apps – and pros/cons with respect to PWA.
Hands-on experience working with server-side JavaScript frameworks like Express, Koa, Hapi etc. (based on Node.js
• Good understanding of REST APIs and Microservices. Should have an understanding of how resources are organized and how an application should align based on the same. You are expected to have an understanding of how CRUD operations map to HTTP methods for a well-designed service.
• Hands-on with DevOps pipeline and able to tweak/change build/deployment pipeline as needed in the context of a module (e.g. Jenkins / Travis / Now.sh / Gitlab)
• Experience with configuring Webpack from scratch and working knowhow of Rollup / Parcel.
Education:
Bachelors in Computer Science or equivalent education covering Math, Algorithms, Data Structures, Networking, Databases, Operating Systems, Graphics.
About us: At Publicis Sapient, we enable our clients to thrive in Next and to create business value through expert strategies, customer-centric experience design, and world-class product engineering. The future of business is disrupting, transforming, platforming, and becoming digital to the core. We see it in every major industry, from financial services to automotive, consumer products, retail, energy, and travel. We are looking for people who have the courage to break out of what has always been to go do what will be. If you have an optimism that says there is no limit to what we can achieve in this exciting time, then we should talk. Our work is fueled by challenging boundaries, multidisciplinary collaboration, highly agile teams, and the power of the newest technologies and platforms. Our people thrive because of the belief that it’s both our privilege and
responsibility to usher our clients and the world into Next. We are seeking those deeply skilled, bold, collaborative, flexible, and who want to reimagine the way the world works to help businesses improve the daily lives of people, and the world. This is the world-class engineering team where you should build your career.
What you will do:
- Working with server-side JavaScript frameworks like Express based on Node.js
- Working in an Agile environment, particularly Scrum and JIRA
- Writing automated tests and testable code using Jest
- Connecting the UI with backend using REST API or GRAPHQL
- Transforming UX wireframes/design into responsive web pages
What you need to have:
- Minimum of 4 years (and above) experience in modern UI frameworks like ReactJS web/Native
- Experience and expertise in HTML, CSS and Javascript
- Familiar with UI design concepts and user interface design
- Experienced user of the GIT/GITHUB repository
- Experience with hands on UI development
- Experience in modern UI frameworks like ReactJS web/Native
- Identify bad code practices in JavaScript and write new analyzers to detect them.
- Improve the coverage of automatically fixable issues.
- Ensure fewer false-positives are reported by the analyzer.
- Work on the internal tools that support analysis runtimes.
- Contribute to open-source static analysis tools.
We’re looking for someone who has:
- Strong foundational knowledge in Computer Science.
- At least 3 years of professional software development experience in JavaScript.
- Understanding of the nuances of execution of the source code (AST, data flow graphs, etc).
- Familiarity with JavaScript practices followed in the industry.
- Native experience with Linux/Unix environment.
- A focus on delivering high-quality code through strong testing practices.








