Frontend Developer

Company Description

Appiness Interactive Pvt. Ltd. is a Bangalore-based product development and UX firm that specializes in digital services for startups to fortune-500s. We work closely with our clients to create a comprehensive soul for their brand in the online world, engaged through multiple platforms of digital media. Our team is young, passionate, and aggressive, not afraid to think out of the box or tread the un-trodden path in order to deliver the best results for our clients. We pride ourselves on Practical Creativity where the idea is only as good as the returns it fetches for our clients.

Job Summary:

We are looking for Frontend Developers with strong experience in Angular, JavaScript, HTML, and CSS. While this is primarily a frontend role, the ideal candidate should also have working knowledge and hands-on experience with Node.js for development, integration, and basic server-side tasks. Candidates with exposure to Chart.js or other charting libraries will be preferred.

Key Responsibilities:

● Design, develop and maintain responsive, high-performance front-end applications using Angular.

● Build reusable, modular UI components with JavaScript (ES6+), HTML5, and CSS3.

● Use Node.js daily for development tooling, package management, local servers, front-end build pipelines, and light backend integration or debugging as needed.

● Integrate front-end features with backend APIs and assist in troubleshooting end-to-end issues that may involve Node.js services.

● Implement interactive data visualizations using Chart.js or similar libraries when required.

● Ensure cross-browser compatibility, accessibility, and front-end performance optimizations.

● Participate in code reviews, Agile ceremonies, and collaborate closely with designers, backend engineers and QA.

Required Skills:

● Strong hands-on experience in Angular (latest versions).

● Node.js - mandatory: practical experience applying Node for tooling, local servers, npm/yarn workflows, simple backend tasks or integrations.

● Proficiency in JavaScript (ES6+), HTML5, CSS3 and responsive design.

● Proven experience building complex, production-grade frontend applications.

● Strong debugging, troubleshooting and problem-solving skills.

Preferred Skills:

● Experience with Chart.js, D3.js, or other visualization libraries.

● Familiarity with Git, CI/CD workflows, and basic DevOps practices.

● Experience working in Agile/Scrum teams.

You will be working with the core team on the main product, helping ship crucial features for our AI Native Product.

This job requires a good command over creating very good user interfaces, and same would be tested in the interview process. You will get to learn a lot and have freedom to grow into other roles as well.

Note: This job isn't for front-end/react beginners .

Responsibilities

Develop high quality, secure, stable code for use in products and solutions for

customers, making it easier for other developers to maintain, enhance, reuse,

and localize

Work with Product Owner and/or Product Manager/Team to understand and help

refine functional requirements for new products

Develop and outline architecture and relationships between subsystems and

participates in review of those designs

Investigate and, if necessary, prototype technologies and algorithms relating to

the task

Break down a large problem into smaller components and provide a clear

solution for each piece

Ensure new code, feature or software product meets performance goals/metrics

Research external best practices and emerging technologies for possible

incorporation into company products and methodologies

Write and maintain the code following Test-Driven-Design principles

Minimum Qualifications

Bachelor’s degree in any Engineering discipline from reputed engineering

college

5 to 7 years of strong programming skills in Web and Cloud Technologies

Should have a very strong foundation in JavaScript, and must have a clear

understanding of basic web fundamentals such as prototype based inheritance,

scopes, Event Loop, Memory Management in JS, etc

Should be good at developing modular front-end applications and is expected to

have the knowledge to create good abstractions that can be reused . Should also

have in-depth understanding of latest ES6 standards such as spread operators,

arrow functions, etc

Should have strong programming skills in Web and Cloud Technologies

Should be strong in OOAD Concepts

Should have a strong hands-on in React, Typescript

Should have Hands-on experience in any of the backend language.

Should understand latest paradigms in Front End Development such as Pub-Sub

Pattern, Redux, RxJS, Service Workers, Client Caching, Lazy Loading, Dynamic

Injection, Bundle Optimisation, etc

Should have very good hands-on knowledge of CSS3 & HTML5

Should have good knowledge of Postman API Platform

Should have experience with Amazon web services – ECS, Lambda, S3, SQS, etc

Should have Hands-on experience of developing RESTful web services and

integrating the same with heterogeneous clients

Should have Hands-on experience with Relational or NoSQL Database’s

Should have a very clear understanding of TDD is expected and should have

good exposure to writing UT's and designing UI components with testability in

mind

Should have Strong Communication and Analytical skills

Flexibility under changing conditions and the ability to multi-task between

projects

Preferred Qualifications

Hands-on experience with C++

Nice to have experience with Python

Nice to have experience with CI/CD tools like Docker, Jenkins, etc

Nice to have a hands-on & Understanding of CSS Pre-processors such as SASS,

LESS, etc

Key responsibilities: We are seeking a highly motivated and experienced Frontend Developer with a strong focus on React JS. In this role, you will be responsible for developing and implementing user-friendly, high-performance web applications. You will be working closely with our team of designers, developers, and project managers to ensure the successful delivery of high-quality digital products.

Responsibilities:

Develop new user-facing features using React JS

Build reusable components and libraries for future use

Collaborate with design and development teams to ensure the technical feasibility of UI/UX designs

Optimize applications for maximum speed and scalability

Write clean, maintainable, and efficient code

Stay up-to-date with emerging trends and technologies in frontend development

Participate in code reviews and contribute to the improvement of development processes

Communicate effectively with team members to ensure the timely completion of projects

Troubleshoot and debug issues that arise in production environments

Bachelor's degree in Computer Science or a related field

At least 3 years of experience in frontend development, with a strong focus on React JS

Proficient in HTML, CSS, and JavaScript

Familiarity with Git and Agile development methodologies

Experience with RESTful APIs and integration with backend systems

Strong problem-solving skills and attention to detail

Excellent written and verbal communication skills

Ability to work independently and as part of a team

Portfolio of previous work demonstrating proficiency in React JS

This is a full-time position with competitive salary and benefits. If you have a passion for frontend development and are highly skilled in React JS, we encourage you to apply for this exciting opportunity to join our team.

Desired Candidate profile

● Architect and build scalable front-end web solutions using JavaScript, React, HTML, CSS and other fundamental web technologies. 
● Build reusable code and libraries using iterative development practices for future use

● Ensuring high performance on mobile and desktop. 
● Implement monitoring, metric dashboards, runbooks, logging, escalations, and alerts.

● Drive code and design reviews of components / systems / products in scope and drive the architectural governance for them. 
● Implement best practices and constantly learn new ways of keeping code bases up to date 
 
Roles and Responsibilities:

● A solid grounding in Computer Science fundamentals (based on a Bachelor's or Master's in Computer Science or related field) from reputed institutes 
● 4+ years of development experience in modern web technologies (HTML/CSS, JavaScript), frameworks (React, Backbone.js, AngularJS, , etc) 
● Ability to build a feature from scratch & drive it to completion 
● Prior hands-on experience in building responsive web interfaces at scale for consumers in a product engineering setup 
● Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system 
● Excellent problem solving, debugging and optimization skills 
● Strong knowledge of browser behavior, performance, compatibility and cross-browser issues 
● Good understanding of REST API 
● Familiar with front-end build tools, such as Webpack, Grunt and Gulp.js
● Proficient understanding of code versioning tools, such as Git 
● Open source contribution is a plus. 

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 using Typescript. You will also be responsible for profiling and improving front-end performance and documenting our front-end codebase.

To ensure success as a react.js developer, you should have in-depth knowledge of JavaScript and React concepts, excellent front-end coding skills, and a good understanding of progressive web applications. Ultimately, a top-class react.js developer should be able to design and build modern user interface components to enhance application performance.

React.js Developer Responsibilities:

- Meeting with the development team to discuss user interface ideas and applications.

- Reviewing application requirements and interface designs.

- Identifying web-based user interactions.

- Developing and implementing a highly responsive user interface 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:

- Bachelor’s degree in computer science, information technology, or a similar field.

- 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, Typescript, Redux, Flux, HTML / CSS.

- Experience working with Graphql and Hasura is a plus

- Knowledge of performance testing frameworks including Mocha and Jest.

- Experience with browser-based debugging and performance testing software.

- Excellent troubleshooting skills.

- Good project management skills.

- Minimum of 2 years experience with React Js

- Minimum of 3 years of web development experience.

• Instrumental in preparing SRS, detailed design document, case diagrams, data flow diagrams, class diagrams.
• Scripting and Programming for varied solutions.
• Constructing specifications and determine operational feasibility.
• Deploy programs and evaluate user feedback & experience on application deployment.
• Writing database script procedures, function & triggers.

• Must be well versed with software development lifecycle (SDLC) management with different project methodologies especially Agile methodology (Scrum).
• Strong Oops concepts, Entity Framework, Design Patterns bootstrap, Web/Windows Services knowledge.
• Working knowledge on C#, ASP.NET, MVC 4.0/5.0, LINQ, Javascript, JQuery, bootstrap, Web/Windows Services.
• Good to have knowledge of Angular JS.
• Must have worked on database like SQL Server/ MySQL.
• Working knowledge on google maps API or GIS would be an added advantage.

• 5-7 years of IT experience. B.E./B.Tech. in Computer Science/ IT or MCA would be preferred.
• Excellent oral and written communication skills.
• Candidate should hold 60% & above in 10th, 12th and Graduation