Sr. Engineer - HTML Developer

Job Title: Associate Frontend Engineer

Job Summary:

We are looking for a passionate and motivated Associate Frontend Engineer with 1 to 2 years of experience to join our product engineering team. In this role, you will work closely with experienced developers and designers to build seamless, performant, and user-friendly interfaces using modern JavaScript frameworks. You’ll gain hands-on experience in building production-ready web applications and learn how to deliver high-quality UI at scale.

This opportunity is ideal for individuals who are early in their careers and eager to grow through real-world development, mentorship, and continuous learning.

Website: https://www.thealteroffice.com/about

Key Responsibilities:

• Assist in developing and maintaining responsive, accessible, and performant web user interfaces.
• Work with modern JavaScript frameworks/libraries such as React, Vue, or Angular to build modular, reusable components.
• Translate UI/UX designs from tools like Figma into pixel-perfect, production-quality code.
• Write clean, maintainable, and well-documented HTML, CSS, and JavaScript (ES6+).
• Collaborate with product managers, backend engineers, and designers to deliver complete, integrated features.
• Learn and apply best practices in state management, component-driven development, and API integration.
• Participate in code reviews, understand and follow design systems, and contribute to a culture of code quality.
• Debug and resolve cross-browser, cross-device, and performance-related UI issues.
• Use tools such as Git, CI/CD pipelines, and frontend build tools (e.g., Webpack, Vite) as part of your daily workflow.
• Begin working with TypeScript, Tailwind CSS, and popular UI libraries (e.g., Material UI, Bootstrap) to enhance development efficiency and consistency.
• Follow accessibility guidelines and responsive design principles, ensuring your UI works for all users.
• Gain exposure to linting tools, formatters, testing libraries (unit/integration/e2e), and performance profiling using browser dev tools.

Requirements:

• 1 to 2 years of experience in frontend development through internships, academic projects, freelance work, or personal side projects.
• Solid understanding of HTML, CSS, and JavaScript (ES6+) fundamentals.
• Familiarity with at least one modern JavaScript framework (React, Vue, Angular).
• Understanding of version control systems like Git and ability to collaborate in a team-oriented development workflow.
• Willingness to learn and apply best practices in UI performance, security, accessibility, and maintainability.
• Strong problem-solving abilities, attention to detail, and eagerness to grow through mentorship and feedback.
• Effective communication skills and ability to work in a fast-paced, agile team environment.

Role: UI Developer (ReactJs Developer)

Experience: 1.5 - 2.5 Years
Qualification: BE (IT/ Computer), B.Tech., M.Tech., MCA.

Primary Skills (Must Have):

·      1.5 - 2.5 years of experience in web UI development 

·      Hands-on experience in developing responsive design using ReactJs,HTML 5 + CSS3, jQuery

·      Bootstrap 3 and other JavaScript Frameworks 

·      Worked on SCSS and LESS 

·      Worked on UI integration, collaborate with the design team to define the UI architecture, using Web design best practices 

·      Knowledge of Material design framework Good communication and interpersonal skills 

Additional skills/good to have:

·      Hands-on experience in developing a web-based solution using the latest technologies covering React.Js Angular, Angularjs, jQuery, JavaScript, HTML5 technology (CSS3, Compass, etc.), object-oriented javascript and MVC js frameworks like Extjs/angular/backbone

·      Bootstrap 4 WCAG standards (AAA) W3C validator BEM standards Table structure (Mailer) 

·      Ability to work independently, good communication skills have experience in working on complex and medium to large projects.

·      Good understanding of SDLC and flair to follow the processes. 

·      An understanding of the fundamentals in object-oriented development, UML and Design Patterns

·      Experience building complex web apps that have been successfully delivered to customers 

·      Exceptional analytical abilities, creativity, and attention to detail 

·      Good team player who is a self-starter and well organized

·      Good expertise, good in technical analysis/debugging problems/issues, 

·      Experience in designing and architecting medium to complex systems, well versed with design standards &   framework

·      Experience in working on multiple technologies and complex projects 

·      Knowledge in Design Patterns. 

·      Mobile development experience would be an added advantage.

·      Functional and Technical Specs documentation

Job Description

SUMMARY

We are looking for a Angular Developer (Angular Experts) responsible for managing the interchange of data between the server and the users.

• Integration of user-facing elements developed by front-end developers with server-side logic
• Writing reusable, testable, and efficient code
• Implementation of security and data protection
• Participate on project teams as needed to develop and deploy software solutions to meet business requirements
• Create and deploy cloud-hosted web applications and content management systems as well as internal tools and frameworks
• Participate in AGILE project methodology and conform to coding standards including git workflow and code reviews.

REQUIREMENTS

• Strong proficiency with JavaScript
• Experience in creating and deploying cloud-based web applications.
• Good at Jade, EJS,
• Good at CSS preprocessors (such as Stylus, Less, etc depending on your technology stack)
• Front-end technologies, such as HTML5, and CSS3
• User authentication and authorization between multiple systems, servers, and environments
• Integration of multiple data sources and databases into one system
• Understanding differences between multiple delivery platforms, such as mobile vs. desktop
• Creating database schemas that represent and support business processes
• Implementing automated testing platforms and unit tests
• Proficient understanding of code versioning tools, such as Git
• PLUS - experience with React.JS, React Native, vue.js JavaScript framework * Experience with Amazon Web Services
• PLUS - experience with Jenkins or other Continuous Integration tools

JOB Role:  CMS Developer (AEM Cross Train)

Work Location: Chennai & Remote also Preferred

About the Role:

Lister technologies poised for a massive growth this year is seeking for Developers, Sr. Developers who are well versed in any Content Management Systems (CMS) and are willing to pursue their career as an AEM expert. Deserving candidates will be given an opportunity to get trained, certified, and deployed in projects executed for our global enterprise customers The candidate is expected to have an in-depth understanding of CMS concepts, features, and benefits and should be hands-on in any front-end and (or) backend technologies like HTML 5, CSS3, JavaScript, jQuery, ES6, PHP, Java, .Net etc. leveraging the CMS custom capabilities in any of the platforms like Drupal, WordPress, Liferay, Contentful etc. .

Responsibilities

• Develop well designed, testable, and efficient custom components for enterprise scale applications in AEM Platform.
• Adopt agile methodology and iterative development.
• Employ strong coding standards for efficiency, readability, and reuse. 
• Responsible for meeting expectations and meeting deliverables on time and in high quality.
• Demonstrate creative, technical, and analytical skills

• Demonstrate ability to communicate effectively in technical environment.
• Operate effectively as an individual for quick turnaround of enhancement and fixes

Skills Description:

• Hands-on in any one of the CMS platforms with an in depth understanding of the platform (Drupal, WordPress, Liferay etc.)
• Good knowledge of theme, plug-ins customization and custom component development
• Desire to continually learn and explore new tools, concepts and ideas and then share them with the rest of the team
• The candidate is expected to pick up AEM platform quickly and get certified.
• Candidates having a strong java skillset (or have experience in java-based CMS platforms - like Liferay) is expected to learn AEM platform and contribute extensively to AEM backend development in JCR, OSGI and Apache Sling
• Candidates having a strong front-end skills like HTML 5, CSS3 (or pre-processing platforms like SASS), JavaScript, jQuery or have extensively worked in any non-java-based CMS platforms like Drupal, WordPress etc. will be required to learn AEM Platform and contribute to AEM Front-end development in designing AEM templates and components leveraging AEM Sightly/HTL Framework.
• Good Communication (both verbal and written).

• Participate in the design of the solution based on business requirements gathered
• and analyzed by analysts
• Develop new features for mobile/web applications
• Build reusable code and libraries across platforms
• Optimize applications in terms of scalability and stability
• Use the best coding standards and practices, to assure the quality of the code
• Perform development testing
• Collaborate with other team members and stakeholders

• 4+ years of experience in Frontend Development
• Angular 6 and Above
• REST API
• Typescript , HTML, CSS ,JavaScript
• React Native
• Having experience in both Mobile/Web development

• Bachelors in Engineering, Computer Science or in similar areas
• Minimum of 4+ years work experience in creating front-end (mobile/web)
• applications, using Angular 6+, Typescript, JavaScript and React Native
• Experience with HTML, CSS and Bootstrap.
• Experience with Agile (SCRUM) methodologies
• Experience with Unit Testing and TDD
• Experience with REST based APIs
• Knowledge of iOS or Android development is a plus
• Excellent capacity to work autonomously or integrated in a team
• Excellent problem-solving and analytical skills
• Proactivity and ability to adapt in a context in which priorities often change
• Developed sense of responsibility, oriented to customer solutions and associated
• improvements
• Fluent in English - written and spoken (mandatory)

Roles and Responsibilities :

• Lead the delivery of high quality, innovative, flexible, cost-optimized, and scalable technical solutions that meet business requirements
• Design, Develop, test, and maintain software applications with MVC architectures, Microservices, and scalable cloud-native apps.
• Perform hands-on coding and provide thoughtful code reviews
• Mentor and lead team members to continuously improve quality and productivity of deliverables
• Demonstrate ability to work within an agile team as well as collaborate with many other teams on design and implementation strategies. Follow SCRUM Agile Development methodology
• Effective Communication Skills- An ability to express your ideas to the recipient & Co-ordinate and communicate with cross-functional team along with the client's team
• Problem Solving, Hustler - Get Stuff Done, Self-Disciplined Open-minded, User-Focused, Adaptive
• Lean Principles & Analytical Thinking
• Project planning, timelines, and milestones for execution and deliverables
• Participate in the Evaluation Review of your team member

Primary Skills

• Experience in building an enterprise web application using ReactJS as the frontend framework
• Experience with Redux and React Hooks
• Expert in HTML5, CSS3
• Experience in Bootstrap4 or CSS pre-processor like Less or Sass is highly desirable
• Strong knowledge of best practices and modern web design trends is necessary.
• Some experience with modern web-based typography.
• Excel at rapid prototyping and at writing good code.
• Experience with testing/debugging in multiple browsers and platforms.
• Expertise in using JavaScript
• Should have worked on REST client and WebSockets
• Should be able to write Unit testing using any one of the frameworks like Cypress, Jasmine, Karma, Jest, Enzyme, or any other similar framework.
• Should have experience in either one of the Build scripts like Gulp or Grunt or Webpack
• Low-Latency UI, Page optimization, and bundle build+caching
• Problem-solving and debugging skills
• Component-based architecture

• An understanding of Core JavaScript. ...
• In-depth knowledge of the Angular framework. ...
• Good command of TypeScript. ...
• Thorough knowledge of web markup, primarily focusing on HTML language, and CSS. ...
• A degree of experience with RESTful API integration.

React Native Developer with iOS  experience - 6 months contract.

Required Experience : 2+ Years

Job Requirements :

- A solid knowledge of JavaScript,HTML&CSS & React Native

- Experience in native iOS and Android development

- Knowledge of functional or object-oriented programming

- Familiarity with native build tools, like XCode, Gradle Android Studio, IntelliJ

- Understanding of REST APIs

Note : This is a 6 months contract position directly under the client payroll.

• Minimum 10 years of relevant work experience in similar roles.
• JavaScript and HTML/CSS UI development experience with React and Redux.
• Solid experience with displaying charts, reports and graph data structures.
• Solid experience using REST APIs and GraphQL
• Comfortable with building UIs from mockups.
• Outstanding collaboration and communication skills. Ability to effectively collaborate with distributed team.
• Understand and practice agile development methodology.
• Prior experience working in a software product company.