
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.

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What you will do:
- Own and build next generation web applications which are efficient, reusable front-end abstractions and systems
- Developing highly responsive user interface components using react concepts
- As part of an innovative, fast-paced team, you will actively participate in design and code reviews to build robust applications and prototypes
- Ensure that all the assigned systems are performing to scale
- Work closely with co-founders, product managers, and backend engineers to decompose UI/UX flow into actionable tasks and ensure timely features delivery
You should apply if you have:
- 2-4 years of work experience working as a ReactJS or React Native developer
- In-depth knowledge of JavaScript, CSS, HTML, and knowledge in any one of the react based frameworks like Next, Gatsby is a plus
- Understanding of browser internals and the network stack
- Basic awareness of application security practices and deployment techniques for frontend projects
- Basic knowledge of testing frameworks including Mocha and Jest is a plus
- Fluency in using Git and GitHub
- Ability to write concise and structured code
Good to have:
- UI/UX design sense
- CSS frameworks like Tailwind, Bulma, and CSS Preprocessors
- Understanding of SSR, SSG, CSR
React Native
Redux
React Hooks
Developing new user-facing features using React Native
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
Strong proficiency in JavaScript, including DOM manipulation and the
JavaScript object model
Experience with popular React Native workflows (Redux)
5 Days Working
WOrk From Office
Interviews are F2F
We are looking for a skilled react.js developer to join our front-end development team. In this role, you will be responsible for developing and implementing user interface components using React.js concepts. You will also be responsible for profiling and improving front-end performance and documenting our front-end codebase.
React.js Developer Responsibilities:
- 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.
React.js Developer Requirements:
- 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.
- Experience with browser-based debugging and performance testing software.
- Excellent troubleshooting skills.
- Good project management skills.
Job Description
- 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.
- Experience with browser-based debugging and performance testing software.
- Excellent troubleshooting skills.
- Good project management skills.
About the role:
We are looking for an experienced Software Development Engineer II (SDE2) to help deliver high visibility and impact features for the ChakraHQ Platform. ChakraHQ Platform is the world's first Omnichannel Process Automation Platform. Imagine AWS but for operations and business teams; built on cutting edge technology stacks, to solve problems for modern businesses.
Technology specialists at ChakraHQ are at the core of the company's decisions and vision. As an SDE2, you will contribute to the design and development of the core technology stack of the ChakraHQ Platform. Working closely with Engineering, Product Management, Sales and Customer Success you will take ownership to develop features, plugins and custom fixes that will materially impact customer’s and ChakraHQ’s business. You will also be responsible for maintaining a streamlined build and CI/CD system. You will help coordinate the incorporation of upstream features into the ChakraHQ Platform.
Technologies you will work with: React, Javascript, Android, iOS, PostgreSQL, Serverless, AWS, Google Cloud
Responsibilities:
- Design, develop and maintain features, services, products that are part of ChakraHQ
- Own delivery of said features and services
- Own success of the products by tracking its lifecycle with customers
- Build systems that scale horizontally
- Implement clean and modern mobile interfaces that provide an excellent user experience.
- Write automated tests to ensure code quality
- Work with customers to build a product roadmap
- Work with sales & marketing to sell your product to end-users
- Work as an integral part of an agile software development team to build features end-to-end
- Support those features in the ChakraHQ production environment by participating in an on-call rotation
Position Requirements:
- Bachelor's degree in Computer Science.
- 3+ years of experience working on teams to develop and deploy web or mobile applications
- Expertise with Javascript
- Knowledge of frameworks such as React.js is a big plus
- Ability to write code compatible across browsers and other clients
- Good understanding of backend systems i.e. web services, APIs from a consumer perspective
- Proficiency with git and Github workflows
- Expertise with test-driven development and automated testing
- Excellent analytical and problem-solving skills
- Excellent communication skills and fluent English
- Open to learn and work on new technologies
Responsibilities:
- Creating the website architecture.
- Designing and building the website front-end.
- Managing website back-end including database and server integration.
- Managing WordPress themes and plugins.
- Conducting website performance tests.
- Troubleshooting content issues.
- Monitoring the performance of the live website.
Skill Requirements:
- Proven work experience as a WordPress developer.
- Knowledge of front-end technologies including CSS3, JavaScript, HTML5, and jQuery.
- Knowledge of code version tools including Git, Mercurial, and SVN.
- Experience working with debugging tools such as Chrome Inspector and Firebug.
- Good understanding of website architecture and aesthetics.
- Ability to manage projects.
- Good communication skills.
- Bachelor’s degree in computer science or a similar field.
Job Description:-
- React.js with Redux and Typescript
- Experience working with Git, JIRA
- End to end responsibility from development to production.
- Work with product and design teams to translate designs and wireframes into high-quality products.
- Good written and verbal communication skills
- Eager to learn new things in technology










