
ReactJs Developer
- Bachelor's degree in Computer Science, Software Engineering, or a related field.
- 2 to 12 years of professional experience in React Native development.
- Strong proficiency in JavaScript, TypeScript, and modern web technologies.
- Experience working with RESTful APIs and integrating third-party libraries.
- Solid understanding of mobile app architecture and design patterns.
- Knowledge of mobile UI/UX best practices and principles.
- Familiarity with version control systems such as Git.

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We’re Building the Future of Immigration Tech
We are developing a high-performance, AI-driven immigration platform that automates visa assessments and guidance for high-skilled immigrants. Our focus is on speed, accuracy, and scalability—not a flashy UI, but a powerful decision-making engine that delivers real value.
We need top-tier engineers who build for performance over aesthetics. If you love AI, automation, and disrupting old systems, this is for you.
🛠 Open Roles
1️⃣ AI/ML Engineer (Visa Assessment AI)
- Develop a cutting-edge AI model for visa eligibility assessments.
- Use NLP to process immigration laws, policies, and case precedents.
- Optimize for accuracy, efficiency, and scale (real-time processing).
2️⃣ Full-Stack Developer (Lean & Scalable Web App)
- Build a high-performance, no-frills web app (React/Next.js preferred).
- Integrate the AI model seamlessly into a secure and scalable backend (Python/Django or Node.js).
- Implement fast data retrieval for applicant evaluations.
🔍 Who We’re Looking For
✔ AI/ML Engineer: Strong experience in NLP, AI automation, and structured data processing. Experience with TensorFlow/PyTorch/OpenAI APIs is a plus.
✔ Full-Stack Developer: Expertise in React (Next.js preferred), Python/Django, or Node.js. Must prioritize performance & security.
✔ Both: You’re a problem-solver, performance-obsessed, and thrive in lean environments.
💻 Tech Stack (Recommended, Open to Suggestions)
- AI/ML: Python (FastAPI, TensorFlow, OpenAI APIs, Hugging Face NLP)
- Frontend: React, Next.js (for speed & SEO)
- Backend: Python/Django or Node.js (for performance & scalability)
- Database: PostgreSQL or Firebase
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.
• Developing the latest user-facing features using React.js
• Designing a modern highly responsive web-based 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
• As a developer, you will be involved from conception to completion with projects that are technologically sound and aesthetically impressive.
Technical skills:
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles
• Prior experience with popular React.js workflows (such as Flux or Redux)
• Knowledge of isomorphic React is a plus
• Familiarity with RESTful APIs
• Familiarity with HTML / CSS
• GIT experience is a plus
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Ability to understand business requirements and translate them into technical requirements
Non-technical skills:
• Team player
• Excellent time-management skills
• Great interpersonal and communication skills
Selected intern's day-to-day responsibilities include:
1. Push the limits of web design and create great user experiences
2. Build smooth, stable, and fun products
3. Develop features from design through implementation and launch
4. Evaluate technical tradeoffs of every decision
5. Work with high available infrastructure practices
6. Perform code reviews that guarantee code quality
Other requirements
1. Knowledge in NextJS, React, NodeJS, HTML, JavaScript, CSS,ES6/TypeScript, Redux, React Hooks
2. Basic knowledge on version control and continuous integration systems (e.g., Git)
3. Good to have knowledge of Python, AWS, or Google Cloud
4. Good problem-solving skills, logical thinking ability, strong coding fundamentals
5. Willing to work in the startup environment, challenge yourself and grow
6. Based in Bangalore and willing to work from our office
We are looking for an excellent experienced person in the Frontend Development field. As a frontend developer, you will be closely working with our team to ensure the system consistency and improve your experience.
Responsibilities:
• Ensure the technical feasibility of UI/UX designs.
• Optimize application for maximum speed and scalability.
• Assure that all user input is validated before submitting to the back-end.
• Collaborate with other team members and stakeholders
• Collaborate well with team and data implementation specialists to design and create advanced, elegant and efficient systems.
Requirements:
• Proficient understanding of web markup, including HTML5, CSS3, ReactJS, Nodejs
• Responsive and Mobile Design
• Cross-Browser Development
• Problem Solving Skill
• Basic understanding of server-side CSS pre-processing platforms
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Good understanding of (Depending on the specific case, a developer should have the knowledge of advanced JavaScript libraries and frameworks, such as ReactJS, NodeJS and PHP)
Primary Skills:
• Ability to improve the performance of the website for both mobile and desktop.
• Come up with efficient, modular and scalable solutions for business and technical problems.
• Break projects into simpler granular tasks, estimate effort required and identify dependencies.
• Write efficient and readable code leveraging on a good understanding of object-oriented principles and design patterns.
• Follow release cycles and commitment to deadlines.
Yes, We are allowing working from home for most of the profiles and maintaining all precautions in the office also.
Qualifications:
BE/BTech/ME/MTech/MCA/M.Sc./Software Science [Computer Science & Information
Technology Background]
Experience:
2+ to 4 years of relevant experience in react js
Skills:
Knowledge in latest user-facing features using React.js, GraphQL, and CSS-in-JS.
Strong knowledge in HTML5/CSS3, jQuery the DOM, and relevant concepts
Strong Knowledge in REACT JS along with Webpack, Redux, React hooks, Material Kit
React, React Router.
Developing the latest user-facing features using React.js
Designing a modern highly responsive web-based user interface
Should follow the Google JavaScript Style Guide and other relevant best practices Knowledge
of performance testing frameworks including Mocha and Jest.
Must have worked as a part of Agile Teams and DevOps practices such as continuous
Integration tools (e.g. Jenkins), code repository, creating CI/CD pipelines is required.
Knowledge in VUE JS is mandatory and selection process will depend 60% on it.
🤘 Who are we?
👌 The takeaway for you?
About the Learning curve in the Job role, the opportunities are plenty as Xongl is working on an inclusive deep tech in the field of distributed computing or storage on the cloud. Cloud will dominate to be the hotbed in India, with the double growth rate than globally in the cloud adoption, till 2030. As a frontend developer Intern, you will have the opportunity to work along with the core team for creating User Interfaces which will be used by enterprise customers. It will give you an edge to understand the client expectations in Enterprise SaaS applications. According to Nasscom, Cloud spending in India is estimated to grow at 30% p.a. to reach USD 7.1 – 7.2 Bn. in 2022.
- Fixed stipend.
- Certificate jointly signed by Xongl and NIT-Trichy
- Letter of recommendation.
- Full-time job offer with ESOP benefits.
The Intern for this position will go through mandatory 4 months of Internship period with a monthly stipend ranged between ₹6K- ₹10K / Month. First two weeks will be the probation period for this internship and the next two weeks will be onboarding training.
🤝 What are we expecting from you?
- Developing front end architecture.
- Ensuring cross-platform optimization for mobile phones.
- Ensuring responsiveness of applications.
- Seeing through a project from conception to finished product.
- Implement APIs developed by the backend Developers.
In this role you will
- Be a part of a small UI team and will work closely with the UXdesigner and product manager to shape the product design.
- Build web UI components for a cloud-native SaaS product.
- Drive clear requirements for the backend APIs working closely withthe backend engineers.
- Focus on quality and velocity by developing appropriate tests.
Requirements
- Highly motivated self-starter with a builder’s mindset.
- 5+ years of web UI development experience.
- Highly skilled in JavaScript, HTML and CSS.
- Deep knowledge and experience of REST APIs.
Preferred: experience with frameworks such as React
Preferred: full stack development experience









