Application Developer (UI)

Job Summary:

We are looking for a passionate Frontend Engineer with 2 to 4 years of experience to build high-quality, scalable, and user-friendly web applications. You will work closely with cross-functional teams to bring ideas to life using modern JavaScript frameworks, maintaining best-in-class UI standards, performance, and code quality.

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

Key Responsibilities:

• Develop and maintain modern, high-performance, and responsive web applications using JavaScript frameworks such as React, Vue, or Next.js.
• Translate product designs from tools like Figma into pixel-perfect, accessible, and consistent UI components.
• Build reusable components and contribute to shared design systems or UI libraries.
• Manage state effectively using tools like Redux, Zustand, or Context API.
• Ensure applications are responsive, cross-browser compatible, and adhere to accessibility standards (WCAG).
• Optimize frontend performance using tools like Lighthouse, Web Vitals, and browser profiling.
• Use TypeScript to write type-safe and scalable code.
• Write unit, integration, and E2E tests using frameworks like Jest, Testing Library, Cypress, or Playwright.
• Work with backend teams to design APIs and ensure efficient, secure frontend-backend integration.
• Implement frontend security best practices, such as XSS protection and CSP.
• Use tools like Tailwind CSS, Framer Motion, and Styled Components for rapid, modern UI development.
• Contribute to CI/CD workflows, version control using Git, and deploy applications using platforms like Vercel, Netlify, or Firebase.
• Participate in code reviews, share knowledge, and help drive technical excellence across the team.

Requirements:

• 2 to 4 years of experience building and shipping frontend applications in a professional setting.
• Proficiency in JavaScript (ES6+), HTML5, and CSS3, with a strong understanding of modern frontend architecture.
• Hands-on experience with at least one JavaScript framework/library (React preferred).
• Strong knowledge of TypeScript and state management tools.
• Solid understanding of UI/UX best practices, including responsive design, performance, and accessibility.
• Experience with testing methodologies and automation tools.
• Familiarity with design systems, component libraries, and modern build/deployment tools (Webpack, Vite, Vercel, etc.).
• Comfortable working in agile teams, collaborating with designers, product managers, and backend engineers.

Job Description 

• Developing user-facing applications using Vue.js 
• Building modular and reusable components and libraries 
• Optimizing your application for performance 

• Implementing automated testing integrated into development and maintenance workflows 
• Staying up to date with all recent developments in the JavaScript and Vue.js space 
• Proposing any upgrades and updates necessary for keeping up with modern security and development best practices 
• Solving problems and providing not only workable but also maintainable solutions.  
• Keeping an eye on security updates and issues found with Vue.js and all project dependencies 

• Mentor other people, provide feedback and grow as a part of the team.  
• Implementing custom plugins made in Vue. 
   

Job Specification 

• Outstanding experience in Web Development based on Vue.js. 
• At least 4+ Year of experience in Vue.js development. 

• Excellent Experience in Java Script, Typescript. 
• Familiarity with newer specifications of ECMAScript is a plus. 
• Excellent experience with Vuejs/Vuetify and Vuex. 
• Knowledge how Vue compilation works and different compilations techniques. 
• Knowledge about performance analysis tools and techniques. 

• Hand on Node.JS/Express JS. 
• Database: MYSQL/MongoDB. 
• Good experience in using Vue UI components, HTML5, CSS3, JavaScript, jQuery, Bootstrap, Material Design. 
• User authentication and authorization between multiple systems, servers, and environments. 
• Experience working within team structures for code review, source code management, continuous integration, and automated deployments 

• Excellent troubleshooting skills.  
• Strong communication skills, from written documents (such as design documents) to verbal discussions (like design reviews). 
• Proficient understanding of code versioning tools, such as Git. 
• Understanding fundamental design principles behind a scalable application. (When large data from API need to be fetch). 
• Able to integrate the unit testing framework in Vue. 

• Experience working in an Agile environment.   
• Good communication skills. 

• Proficient knowledge of a NodeJS and Express.
• Understanding differences between multiple delivery platforms (such as mobile vs, desktop), and optimizing output to match the specific platform
• Good understanding of server-side templating languages (such as Jade, EJS, Jinja, etc. depending on your technology stack)
• Good understanding of server-side CSS preprocessors (such as Stylus, Less, Sass etc. depending on your technology stack)
• Creating database schemas that represent and support business processes
• Data migration, transformation, and scripting
• 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, and optimizing output to match the specific platform
• Creating database schemas that represent and support business processes
• Implementing automated testing platforms and unit tests
• Management of hosting environment, including database administration and scaling an application to support load changes
• Understanding of fundamental design principles behind a scalable application
• Good understanding of advanced JavaScript libraries and frameworks such as AngularJS.

• VueJS
• Express
• Socket.IO
• NuxtJS
• MongoDB (3.x)
• Mongoose

• We use cutting edge technologies to build our products which means you get to be updated on the latest tech stack.
• You don’t need to have experience in any of our specific technologies;we are good at teaching our Engineers. Our diverse group of Engineers are a great team to work with and to learn.

• We deploy changes to production multiple times a day.
• Blameless culture and a continuous learning mindset

• Making a global platform with the scale of millions of users.
• Working directly with designers and PMs to make a world class test taking experience.
• Building a platform for companies and writing an ML based algorithm to match candidates and companies.
• Building an Ed-Tech product for the upskilling of candidates.

• Strong understanding of JS fundamentals and going deep into it coupled with experience in modern frameworks like ReactJs, Vuejs etc.
• The ideal person has worked with product teams in startups and taken features (or entire product modules) to production deployment which was then consumed by real users.
• Proficiency in building a highly scalable frontend.
• Ownership mindset- Taking end to end ownership of frontend initiatives and being part of the core team in driving the overall growth of the organisation in achieving its vision.

What You’ll Do

• Should be able to develop an application with vanilla Javascript without any frameworks.
• Maintain reusable code and improve code quality.
• Optimize application for maximum speed.
• Should take ownership and work closely with other teams. such as back-end.
• Make suggestions for better solutions to problems and keep abreast of the latest and emerging technologies.
• Be comfortable working throughout the lifespan of a project.

Who you are

• Should have minimum 5+ years of experience.
• Proficient understanding of web markup, including HTML5, CSS3 and vanilla JavaScript.
• Should have good knowledge on ES6.
• Understanding of CSS pre-processing platforms, such as LESS and SASS.
• Should be proficient any of the the frameworks  ReactJs, VueJs etc.
• Should have knowledge on Node Js.
• Should have hands on experience web component development.
• Good understanding of Responsive Web Designing, CSS media queries and Bootstrap library.
• Understanding of cross-browser compatibility issues and ways to work around them.
• Good understanding of asynchronous/Ajax request handling.
• Good understanding of OOJS.
• Knowledge of code versioning tools, such as GIT.
• Knowledge in writing UI test cases using any test framework.

Education

• Bachelor's  degree in Computer Science, Engineering or equivalent demonstrable experience. 

Benefits

• In addition to competitive salaries and benefits packages, Nisum India offers its employees some unique and fun extras:
• Continuous Learning - Year-round training sessions are offered as part of skill enhancement certifications sponsored by the company on an as need basis. We support our team to excel in their field.
• Parental Medical Insurance - Nisum believes our team is the heart of our business and we want to make sure to take care of the heart of theirs. We offer opt-in parental medical insurance in addition to our medical benefits.
• Activities -From the Nisum Premier League's cricket tournaments to hosted Hack-a-thon, Nisum employees can participate in a variety of team building activities such as skits, dances performance in addition to festival celebrations.
• Free Meals - Free snacks and dinner is provided on a daily basis, in addition to subsidized lunch.

• Must have - Javascript, React JS, React Native, Typescript
• Good to have - Andriod/iOS, Express.JS, Angular, VUE, Team Lead experience/Scrum Master, Design Experience
• Working Experience on building Dashboards, UI Prototypes, Internal Tools
• Profile - Independent, Self-Organised, Problem Solver