
About Instazen
About
Instazen is building a cutting edge software platform for small to medium-sized enterprises. We have a razor focus on the user and on usability. We are building a team of passionate software artisans to build a world-class product. If you know Python or Javascript and are interested in us, do write in.
Connect with the team
Similar jobs
Job Title : React.js Developer with PWA Studio
Location : Remote
Experience : 10+ Years
Job Description :
We are looking for a highly experienced Frontend Developer with a strong background in React.js and PWA Studio to work on cutting-edge eCommerce solutions built on the Magento platform.
This role requires deep expertise in Progressive Web App development (PWA), frontend architecture, and performance optimization.
Mandatory Skills :
React.js, Next.js, PWA Studio, Magento 2.x integration, JavaScript (ES6+), HTML5, CSS3, Redux, RESTful APIs, GraphQL, Git, performance optimization, responsive design.
Key Responsibilities :
- Design and develop high-performance, scalable front-end solutions using React.js and Next.js.
- Build and optimize Progressive Web Apps (PWAs) using Magento PWA Studio.
- Collaborate with backend developers to integrate with Magento 2.x APIs and ensure seamless user experiences.
- Implement and maintain responsive UI components using HTML5, CSS3, JavaScript (ES6+), React, and Redux.
- Optimize application performance using tools like Lighthouse, Webpack, and advanced code-splitting techniques.
- Develop and maintain robust CI/CD pipelines and manage deployments via Vercel.
- Ensure high code quality by writing unit and integration tests using frameworks such as Jest, Mocha, or Cypress.
- Work closely with product and design teams in an Agile environment to deliver user-centric solutions.
Mandatory Skills :
- 10+ years of frontend development experience.
- Expert in React.js, Next.js, and JavaScript (ES6+).
- Hands-on experience with Magento PWA Studio.
- Proficient in HTML5, CSS3, Redux, and responsive design.
- Deep understanding of RESTful APIs and GraphQL.
- Strong knowledge of Git and version control best practices.
- Solid experience in performance optimization for web applications.
Good to Have :
- Experience with Magento 2.x backend.
- Prior experience deploying frontend apps with Vercel.
- Familiarity with serverless architecture and CI/CD in cloud environments.
Mandatory Requirements:
• Strong knowledge of HTML5, JavaScript ES6 and above.
• Expertise in styling with CSS3.
• In-depth experience with React or a similar front-end framework. Candidates with only hands-on experience will not be considered.
• The ability to design and create reusable UI components.
• Willingness to complete an online coding exercise as part of the interview process.
• Ability to write clean, maintainable, and testable code.
• Understanding of accessibility standards and experience implementing accessibility solutions.
• Experience with Git and version control practices.
• Good communication and collaboration skills.
Desirable Skills:
• Familiarity with Storybook.
• Knowledge of Sass/CSS in JS.
• Experience in developing a UI library with standalone components using React.
• Experience with modern front-end build tools such as Webpack and Babel.
• Knowledge of state management solutions – Context, Redux, Zustand.
• Understanding of server-side rendering and experience with related technologies such as Next.js.
• Familiarity with Agile development methodologies.
Requirements
- 3.5+ years of experience in React JS and Redux
- Expert in React.j, ideally using TypeScript language extensions
- Good understanding of JavaScript Design Patterns
- Good experience writing front-end test cases
- HTML5, CSS3 and Responsive web design are mandatory
- Exposure to Scrum methodology and XP technical practices such as unit testing, pair programming, test-driven development, continuous integration or continuous delivery
- Self-motivated, fast learner, detail-oriented, team player and a sense of humour
We are looking for a great JavaScript developer who is proficient with
React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy
to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality products are important.
Responsibilities:
● Developing new user-facing features using React.js
● 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
Skills and Experience:
● 2-3 years Experienced
● 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)
● Familiarity with newer specifications of EcmaScript
● Experience with data structure libraries (e.g., Immutable.js) -
● Knowledge of isomorphic React is a plus
● Familiarity with RESTful APIs
● Knowledge of modern authorization mechanisms, such as JSON Web Token
● Familiarity with modern front-end build pipelines and tools
● Experience with common front-end development tools such as Babel, Webpack,NPM, etc.
● Ability to understand business requirements and translate them into technical requirements
● A knack for benchmarking and optimization
● Familiarity with code versioning tools (such as Git, SVN, and Mercurial)
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.
Responsibilities:
- Designing and developing user interfaces using AngularJS/Angular best practices.
- Adapting interface for modern internet applications using the latest front-end technologies.
- Writing JavaScript, CSS, and HTML.
- Developing product analysis tasks.
- Making complex technical and design decisions for AngularJS/Angular projects.
- Developing application codes and unit tests in AngularJS, Angular, Micro-frontend architecture, and Rest Web Services.
- Conducting performance tests.
- Consulting with the design team.
- Ensuring high performance of applications and providing support.
Qualifications
- Bachelor’s degree in Computer Science or related background
- Minimum of 3 years of relevant experience
Required Skills and Experience:
- 3+ years’ experience with JavaScript (Particularly ES6), Typescript, CSS, HTML.
- 2+ years’ experience with Angular v9 or greater.
- Experience using JavaScript building tools like Grunt and Webpack.
- Client-side unit testing via Jest or similar testing library a plus
- Experience consuming RESTful APIs is strongly desired
- Experience working in agile project management methodologies (Scrum, Kanban, FDD)
- Excellent communication skills.
- Critical thinker and good problem-solver.
This person MUST have:
- BE Computer Science, MCA or equivalent
- Extreme CSS skills
- Experience with ReactJS or NextJS is a MUST
- Strong communication skills
- A strong passion for writing simple, clean and efficient code.
- Sound knowledge of clean code, no unused code, optimized code and more. - Always starting with a document and then implementing in a systematic and organized manner
- Past experience as a frontend developer building modern JavaScript-based web applications - Excellent verbal and written communication, teamwork, decision making and influencing skills.
Experience:
- Min 3 year experience
- Not more than 15 year experience.
- Startup experience is a must.
Location
- Remotely, anywhere in India
Timings:
- 40 hours a week but with 4 hours a day overlapping with client timezone. Typically clients are in California PST Timezone.
Position:
- Full time/Direct
- We have great benefits such as PF, medical insurance, 12 annual company holidays, 12 PTO leaves per year, annual increments, Diwali bonus, spot bonuses and other incentives etc.
- We dont believe in locking in people with large notice periods. You will stay here because you love the company. We have only a 15 days notice period.

Experience:-3-5yrs
Salary:-upto 7lpa
Qualification B.Sc. / B.Tech (CS / IT), MCA, BCA
Location Ahmedabad
Shift (Mon to Fri)
Required Skills
• 2 to 5 years of experience as a Front-end Developer
• Should have the advance knowledge in the area of Angular/AngularJS.
• Should be able to upgrade Angular JS to latest versions. • Should have strong knowledge in the areas of Bootstrap, CSS and jQuery.
• Profound knowledge of HTML5 and CSS3
• Code as per W3C and ECMA Principles.
• Should be able to convert PSD to HTMLs using Bootstrap and AngularJS.
• Good understanding of fundamental design principles behind a scalable application
• Proficient understanding of code versioning tools Like Git • Hands on experience with markup languages
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Proficient understanding of cross-browser compatibility issues and ways to work around them. • Familiarity with browser testing and debugging • In-depth understanding of the entire web development process (design, development and deployment)
• Understanding of layout aesthetics
• Good understanding of SEO principles and ensuring that application will adhere to them.
• Familiarity with software like Adobe Suite, Photoshop and content management systems
• An ability to perform well in a fast-paced environment
• Excellent analytical and multitasking skills
• Team player
• Excellent communication skills
• Self-motivated and driven
Roles and Responsibilities
• Use markup languages like HTML to create user-friendly web pages • Maintain and improve website
• Optimize application for maximum speed and scalability
• Build reusable code and libraries for future use
• Ensure the technical feasibility of UI/UX designs
• Design web / mobile-based features
• Collaborate with back-end developers and web designers to improve usability
• Get feedback from, and build solutions for, users and customers
• Write functional requirement documents and guides
• Create quality mockups and prototypes
• Help back-end developers with coding and troubleshooting
• Ensure high quality graphic standards and brand consistency
• Stay up-to-date on emerging technologies
• Make suggestions for better solutions to problems
• Collaborate with other team members and stakeholders
Compensation and Benefits:
• Excellent Salary Structure
• Employee friendly corporate work culture
• Exposure to interact with US people
• Timings are fixed with Saturday and Sunday Off
• Lucrative Rewards and Recognition
We Anju Siima Technologies Private Limited are looking for a Flutter developer who is proficient with dart programming language. Your primary focus will be on developing user interface components and implement them following well known Flutter workflows.
Responsibilities:
- Develop new user interfacing features using Dart / Flutter framework
- Building reusable widget components and front-end libraries/packages for future use
- Maintain existing codebase on repositories
- Translate design and wireframes into high quality code
- Optimising widget components for maximum performance across mobile devices
- Stay updated with emerging technologies and implementing them into the current code base.
Skills:
- Strong skills in Dart & Flutter
- Experience with understanding of Mobile Application Development Lifecycle
- Familiarity with third party libraries and its integration
- Experience with GIT
- Familiarity with RESTful API’s










