
Responsibilities :
- Developing new user-facing features using React.js and Next 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 :
- 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
- Working Experience in SASS CSS3
- Working Experience in HTML5
- Working Experience in Responsive UI Conversions
- Working Experience in Pixels to Pixels conversion
- Familiarity with RESTful APIs
- Familiarity with modern front-end build pipelines and tools
- Ability to understand business requirements and translate them into technical requirements
- A knack for benchmarking and optimization

About Marktine
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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.
● Experience Level: Min 2+ years
● JavaScript/Typescript and React Native.
● Experience using technologies like React Native, Redux/MobX/Saga, TypeScript, modern CSS frameworks and webpack.
● Familiarity with native build tools, like XCode, Gradle {Android Studio, IntelliJ}
● RESTful API’s, basic HTTP knowledge, GET/POST.
● Good Communication Skills
Core responsibilities
• Collaborate with product teams to more accurately define new features
• Collaborate with UX in the building of a design system/component library
• Ensure high performance of all systems developed
• Aware of the relationship between development and business with a strong sense of ownership
• Employ the latest techniques such as agile software development
• Good knowledge of highly scalable server-side development
• Basic working knowledge of Unix/Linux
• Excellent problem solving and coding skills in Javascript (Angular/React)
• Strong interpersonal, communication and analytical skills
• Should have the ability to express their design ideas and thoughts
Job Brief
• JavaScript and Typescript expertise with Angular Framework
. Must have Monorepo experience with Nx from initial setup to CI/CD and maintenance.
• Experience with libraries such as bootstrap, Ag-grid, formly, observables, and ngrx
• You enjoy working with new technologies, and are curious and energetic
• Experience working with REST APIs
• Good understanding about authentication and security
• Create and maintain various unit and integration tests
• You enjoy working in a creative and agile environment that moves fast
• Ability and interest in providing mentorship to junior members of the team
• Write high quality code and Conduct code reviews
• Being resourceful and detail-oriented, along with being an outside the box thinker!
• Experience being a great team player, who work collaborative, and brings a positive attitude
We are looking for a React+Iconic developer to build our cross-platform mobile application. You must be adept with React, ReactQuery, and Iconic and MUST have experience of using these technologies in a production environment.
You would be expected to also contribute to a couple of browser-based portals that support the product. You must have worked beyond JWT and used RSA and AES encryption and decryption.
You must have experience and be adept with Object Oriented Javascript and writing extensive business workflows in Javascript. You would be an expert in responsive design and should have experience converting Figma designs to reality
The Company is looking for a Front End Developer to join our growing team in our
Costa Rica office. Your experience here will give you the opportunity to improve the
fundamentals and learn about the top-notch technologies in front end development. If you are
someone who is passionate about building stellar user experiences and great products through elegant code this would be the job for you. You will play a key role in translating our customers and company needs into appealing and functional web pages while proving your ideas with testing. We all work closely together across teams so there's no red tape or
bureaucracy. We get things done!
What You Will Get to Do
● Work with your team to improve our conversion rates by coding out variations for A/B testing
● Build better user experiences
● Rigorously educate yourself with the latest development techniques and best practices
● Proactively anticipate issues and develop solutions
● Clearly communicate solutions to team members both verbally and in writing documentation
● Implement new digital technologies or development techniques that help to meet business
objectives
What You Bring to the Table
● 3+ years of front-end development experience
● Experience with responsive web design and the ability to deliver outstanding functionality
to the range of client devices from desktops and laptops to mobile platforms
● Familiarity with at least one JavaScript framework (MVW) and know when to do without
one when necessary.
● Understanding of HTTP and how clients interact with a web server.
● Solid understanding of best practices. You read the YDKJS books.
● Capable of coding in ES5 and ES6 and understand the difference between them
● Up-to-date on HTML5 and CSS3 features.
Job Description :
We are looking for a Front-End Web Developer who is motivated to combine the art of design with the art of programming. Responsibilities will include translation of the UI/UX design wireframes to actual code that will produce visual elements of the application. You will work with the UI/UX designer and bridge the gap between graphical design and technical implementation, taking an active role on both sides and defining how the application looks as well as how it works.
Responsibilities :
- Develop new user-facing features
- Build reusable code and libraries for future use
- 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 back-end
- Collaborate with other team members and stakeholders
Skills :
* Proficient understanding of web markup, including HTML5, CSS3.
* Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS.
* Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery.
* Good understanding of asynchronous request handling, partial page updates, and AJAX.
* Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image.
* Familiarity with tools such as Gimp or Photoshop is a plus.
* Proficient understanding of cross-browser compatibility issues and ways to work around them.
* Proficient understanding of code versioning tools, such as Git / Bitbucket.
* Good understanding of SEO principles and ensuring that application will adhere to them.
• Should understand design patterns and its implementation over JavaScript
• Must know a front-end JS framework like, React.js + Redux
• Must know functional programming paradigm & JQuery.
• Should understand OO concepts and write OO JavaScript.
• Should be able to Architect the structure of a heterogeneous application. For example, an application
• consisting of Server side script on Node.js plugged with any NoSQL (e.g MongoDB) OR Relational
• Database and frontend in React.js, Angular.js.
• Experience optimizing browser loading and rendering
• Hands on experience in HTML5, CSS3.
• Experience in handling project, with agile methodology
• Should know one of Task Runner(bundling) tool like Webpack, Gulp.
• Notice Period - 0 to 15 days only
We are looking to hire an experienced Sr. Angular Developer to join our dynamic team. As a lead developer, you will be responsible for creating a top-level coding base using Angular best practices. To ensure success as an angular developer, you should have extensive knowledge of theoretical software engineering, be proficient in TypeScript, JavaScript, HTML, and CSS, and have excellent project management skills. Ultimately, a top-class Angular Developer can design and build a streamlined application to company specifications that perfectly meet the needs of the user.
Requirements:
- Bachelor’s degree in computer science, computer engineering, or similar
- Previous work Experience 2+ years as an Angular developer.
- Proficient in CSS, HTML, and writing cross-browser compatible code
- Experience using JavaScript & TypeScript building tools like Gulp or Grunt.
- Knowledge of JavaScript MV-VM/MVC frameworks including Angluar.JS / React.
- Excellent project management skills.
Responsibilities:
- Designing and developing user interfaces using Angular best practices.
- Adapting interface for modern internet applications using the latest front-end technologies.
- Writing TypeScript, JavaScript, CSS, and HTML.
- Developing product analysis tasks.
- Making complex technical and design decisions for Angular.JS projects.
- Developing application codes in Angular, Node.js, and Rest Web Services.
- Conducting performance tests.
- Consulting with the design team.
- Ensuring high performance of applications and providing support.

- Very strong hands on experience of web and mobile technologies: - HTML JavaScript,
- HTML5/CSS3,
- 5 + years of UI Development Experience using JavaScript Frameworks
- 3+ years of Angular Development Experience
- Has implemented coding patterns and built UI framework
- Deep knowledge of AngularJS practices and commonly used modules based on extensive
- work experience
- Thorough understanding of the responsibilities of the platform, database, API, caching
- layer, proxies, and other web services used in the system
- Creating custom, general use modules and components which extend the elements and
- modules of core AngularJS
- Creating configuration, build, and test scripts for Continuous Integration environments
- Cooperating with the back-end developer in the process of building the RESTful API
- Cross browsers support/experience and knowledge of DOM manipulation on different
- browsers
- Performance enhancements on web page load and execution
- Use responsive web design to create applications that automatically conform to multiple
- screen sizes/devices.
- Reach at 91 084 76 999










