
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 highly responsive user interface components 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, Webpack, Enzyme, Redux, and Flux.
- Experience with user interface design.
- 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.

About Mobile Programming LLC
About
Mobile programming LLC is a US based MNC company. Our services are focused on Mobility Solutions, Custom App Development, Cloud Solutions, IoT, AR/VR, Blockchain, Artificial Intelligence & Machine Learning, Predictive Analytics & Big Data Solutions, and several other trending as well as emerging technologies.
You can find more details on - https://www.mobileprogramming.com/
Company video


Connect with the team
Company social profiles
Similar jobs

We are looking for a Senior Frontend Engineer with 6-8 years of experience to join our team. In this role, you will contribute to developing and maintaining responsive web applications using modern frontend technologies. The ideal candidate should have solid skills in React, TypeScript, and Redux Toolkit, and be comfortable collaborating closely with designers, backend developers, and stakeholders to ensure excellent user experiences and application performance.
Responsibilities:
- Minimum of 7 to 9 years of professional experience in developing web applications using JavaScript and React-based frameworks.
- Strong proficiency in React, Redux, Redux Toolkit, and TypeScript.
- Experience utilizing build tools and bundlers such as Webpack, Vite, or Parcel.
- Experience working with NodeJS ecosystem.
- Solid experience in writing comprehensive unit tests, component tests, and utilizing testing libraries like React Testing Library.
- Proficiency with API integration and data fetching tools, including Axios, React Query, and RTK Query.
- Strong understanding and hands-on experience with Git version control.
- Experience with integration testing using Cypress
- Experience maintaining and documenting React components with Storybook.
- Must have a proven track record of delivering robust, production-ready applications.
Requirements:
- Lead the development of complex, scalable web applications using modern frontend technologies.
- Architect and optimize reusable, maintainable components with a focus on performance and user experience.
- Mentor and guide junior developers, ensuring code quality and adherence to best practices.
- Collaborate with cross-functional teams to define requirements, design systems, and ensure seamless integration.
- Stay ahead of industry trends, advocating for new technologies and practices to continuously improve the development process.
Work Location: Jayanagar - Bangalore.

- Develop new user-facing features
- Build reusable code and libraries for future use
- Ensure the technical feasibility of UI designs
- Optimize application for maximum speed and scalability
- Assure that all user input is validated before submitting to the back-end
- Collaborate with other team members and stakeholders
- Should have hands-on experience in advanced JavaScript libraries and frameworks, such as AngularJS, KnockoutJS, Bootstrap, BackboneJS, ReactJS, DurandalJS, etc. (ReactJS is Mandatory)
- Proficient in web markup, including HTML5, CSS3
- Good understanding of server-side CSS pre-processing platforms, such as LESS and SASS, and experience in building/using REST APIs
- Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery
- Good understanding of asynchronous request handling and partial page updates.


- Job Title - Software Engineer - Frontend
- Reports Into - Lead Frontend Web Developer
- Location - Hybrid/Bangalore
A Little Bit about Kwalee….
Kwalee is one of the world’s leading multiplatform game developers and publishers, with well over 900 million downloads worldwide for mobile hits such as Draw It, Teacher Simulator, Let’s Be Cops 3D, Airport Security and Makeover Studio 3D. We also have a growing PC and Console team of incredible pedigree that is on the hunt for great new titles to join TENS!, Eternal Hope, Die by the Blade and Scathe.
What’s In It For You?
- Hybrid working - 3 days in the office, 2 days remote/ WFH is the norm
- Flexible working hours - we trust you to choose how and when you work best
- Profit sharing scheme - we win, you win
- Private medical cover - delivered through BUPA
- Life Assurance - for long term peace of mind
- On site gym - take care of yourself
- Relocation support - available
- Quarterly Team Building days - we’ve done Paintballing, Go Karting & even Robot Wars
- Pitch and make your own games on Creative Wednesdays!
Are You Up To The Challenge?
As our Software Engineer - Frontend you’ll be designing and producing excellent web interfaces, working closely with the server and analytics teams.
Your Team Mates
The frontend team consists of both our frontend developers and designers, we work closely with all parts of the business to create tools that vary across the whole company, from the publishing team to create a portal for people to submit games, the marketing team on things like our website, all the way to our internal teams for things like administration and analytics.
What Does The Job Actually Involve?
- You'll be working directly with the server and client teams to create our games server admin interfaces. And closely with the analytics team developing features for our analytics platform.
- A portion of the work involves maintaining/improving our extensive games server admin interface and our in-house Analytics platform.
- You will be working with a lot of different technologies that make up our worldwide cluster where we support millions of daily players.
- On some projects specific gameplay features rely on server side counterparts and complex web UI interfaces making for a good change of pace from Analytics and Data entry interfaces.
Your Hard Skills
- Minimum 2 years browser-based programming experience
- A proven track record of programming high quality and innovative web pages using Javascript, HTML5 & CSS3 and relevant frameworks (ideally ReactJS but could also be others e.g. AngularJS, NodeJS, Handlebars, jquery, gulp)
- An excellent working knowledge of various programming languages, databases and scripting tools including at least one of bash, MySQL, CouchBase, Python, Java, C#, JSP, PHP
- A creative mindset motivated by challenges and constantly striving for the best
- Interest in mobile games
Your Soft Skills
Kwalee has grown fast in recent years but we’re very much a family of colleagues. We welcome people of all ages, races, colours, beliefs, sexual orientations, genders and circumstances, and all we ask is that you collaborate, work hard, ask questions and have fun with your team and colleagues.
We don’t like egos or arrogance and we love playing games and celebrating success together. If that sounds like you, then please apply.
A Little More About Kwalee
Founded in 2011 by David Darling CBE, a key architect of the UK games industry who previously co-founded and led Codemasters, our team also includes legends such as Andrew Graham (creator of Micro Machines series) and Jason Falcus (programmer of classics including NBA Jam) alongside a growing and diverse team of global gaming experts.
Everyone contributes creatively to Kwalee’s success, with all employees eligible to pitch their own game ideas on Creative Wednesdays, and we’re proud to have built our success on this inclusive principle.
We have an amazing team of experts collaborating daily between our studios in Leamington Spa, Lisbon, Bangalore and Beijing, or on a remote basis from Turkey, Brazil, Cyprus, the Philippines and many more places around the world. We’ve recently acquired our first external studio, TicTales, which is based in France.
We have a truly global team making games for a global audience, and it’s paying off: - Kwalee has been voted the Best Large Studio and Best Leadership Team at the TIGA Awards (Independent Game Developers’ Association) and our games have been downloaded in every country on earth - including Antarctica!

Job description
Job title: Sr. React Js Developer
Job Description:
- 3+ years of extensive experience in developing the Single Page Application with Web
responsive design for mobile and web using React JS, HTML 5, CSS 3 and Bootstrap. - Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object
model. - Experience with popular React.js workflows (such as Flux or Redux)
- Familiarity with RESTful APIs
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Thorough understanding of React.js and its core principles.
- Experience with common front-end development tools such as Babel, Webpack, NPM,
yarn, etc. - Familiarity with newer specifications of EcmaScript (ES6)
- Ability to understand business requirements and translate them into technical
requirements - Good verbal and written communication skills
- Excellent analytical and problem-solving skills.
- Strong ability to drive end-to-end service design from usability and experience
perspectives. - Working knowledge of ADA and designing for users with unique physical and mental
challenges.
Desired Skills:
- 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 highly-responsive user interface components 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

Job Description:
We are looking for an experienced JavaScript developer who is proficient with React.js. The primary focus of the selected candidate would be on developing user interface components implementing and executing them following well-known React.js workflows (such as Flux or Redux). Also ensuring that these components and the overall application are robust and easy to manage. A commitment to collaborative problem solving, sophisticated design, and quality products are important.
Responsibilities:
- Developing the latest user-facing features using React.js
- Designing a modern highly responsive web-based user interface
- Building reusable components and front-end libraries for future use
- Translating designs and wireframes into high-quality code
- Learn and understand user interactions
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers
- Coordinating with various teams working on distinct layers
- As a React.js Developer, you will be involved from conception to completion with projects that are technologically sound and aesthetically impressive.
Technical skills:
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js and its core principles
- Prior experience with popular React.js workflows (such as Flux or Redux)
- Familiarity with more current specifications of ECMAScript
- Prior experience with data structure libraries (e.g., Immutable.js)
- Knowledge of isomorphic React is a plus
- Familiarity with RESTful APIs
- Familiarity with HTML / CSS
- GIT experience is a plus
- 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


Fulfil’s software engineers develop the next-generation technologies that change how millions of customer orders are fulfilled by merchants. Our products need to handle information at a massive scale. We're looking for engineers who bring fresh ideas from all areas into our technology.
As a Front End software engineer, you will work on the ReactJS powered user interface used by Fulfil merchants to manage their back-office operations. This is mission critical software and your primary focus will be on developing user interface components and implementing them following well-known React.js workflows. You will ensure that these components and the overall application are robust and easy to maintain. In this role, you will be collaborating closely with the rest of the team working on different layers of infrastructure in an international environment. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality are important.
What You’ll Do:
- Collaborate with a small yet extraordinarily talented team of engineers to implement front-end technologies
- Develop new user-facing features using React.js and React Native
- Work closely with the Design and Product teams to translate complex technical workflows into delightful user experiences
- Define how Fulfil builds user interfaces and ensure that we’re utilizing and keeping up with modern web standards
- Continually test, measure, and iterate on the results of your work in the spirit of continuous improvement
- Write clean, reusable, and well-tested front-end code
- Help to bridge the responsibilities of the Product and Engineering teams, spending time with both on the way to launching new products
- Architect efficient and reusable front-end abstractions and systems that drive complex web applications
- Create reliable and type-safe applications with Typescript
- Build and contribute to open source projects
- Build reusable components and front-end libraries for future use
- Optimize components for maximum performance across a vast array of web-capable devices and browsers
We’re Looking for Someone With:
- 5+ years of experience as a front end engineer
- Experience in building large-scale web applications in a fast-moving team environment
- A strong understanding of UX and UI design standards
- The perfectionist’s touch on a pragmatist’s deadline: you strive for pixel-perfection and intuitive functionality
- Strong proficiency in JavaScript (2-4 Years of experience), including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js and its core principles, with experience in popular React.js workflows
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc
- Experience with popular testing frameworks, like Jest, Cypress, and Testing Library.
- The ability to bring any design to life with HTML and CSS, with cross browser compatibility and accessibility
- Smarts, humility, communication skills, and equal willingness to teach and learn
- Familiarity with RESTful and GraphQL APIs
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Experience in developing large client side JavaScript applications
- Familiarity with code versioning tools like GIT
- Experience with Javascript testing tools and test automation
Nice to Haves:
- Prior experience at a growth stage Internet/Software company
- Demonstrated work beyond the front-end, experienced in integrating with a wide array of back-end technologies and services (e.g. experience with Python, AngularJS)
- Experience developing large client-side applications and optimizing them for performance
- You can straddle client and server development, creating APIs that drive web apps
- You understand the intricacies of timezones
- Web optimization, performance tools, and load testing
- You maintain or contribute to an open-source project
QUALIFICATIONS:
- Minimum 3-5 years of Experience in Java Backend development.
- Degree in Engineering or Computer Science.
- Good knowledge/experience in Data structure, Algorithms.
- Proficiency with Programming Language: Java 1.8 and above (1.8 V must), J2EE.
- Proficiency with Framework: Spring Stack (Security, Web MVC, REST), Hibernate, JMS.
- Strong knowledge in any one Relational Databases (Mysql / Oracle / SQL Server).
- Strong experience in Web services (SOAP and RESTFUL).
- Tools & Utilities: STS / Eclipse / IntelliJ / NetBeans.Web/Application Server: Jboss.
- Should have expertise in Design Patterns, Transactions, Multithreading concepts
- Proficiency in Build Cycle management (Maven, Jenkins, Scripting).
- Familiarity with Deployment technologies like Docker, Rancher and Virtual machines.
- Familiarity with Agile Development processes.
- Exposure to Spring Integration batch knowledge, OAuth2 authentication
- Excellent verbal communication skills.
- Good problem-solving skills with attention to detail.
- Able to create functional, attractive applications that perfectly meet the needs of the user.


computing, and SaaS.
Structured thinker, effective communicator, with excellent programming and analytic skills
Strategic mind with strong operational, project management and technical architecture skills
A track record of highly influential technical and leadership achievements
Demonstrated skill in aligning application decisions to an overarching solution and systems
architecture
Strong design skills and technical leadership skills.
Substantial experience leading application design efforts as a senior or lead software engineer
Expertise in JavaScript frameworks: Ember, React, Angular and integration architecture and design.
An expert in application development in one or more modern programming languages
Strong Experience with JavaScript, CSS, XML, HTML, IIS
Familiar with Agile methodologies
Detailed oriented, professional and possesses a positive work attitude.
Communicate professionally both verbally and in writing.
PRINCIPAL DUTIES AND RESPONSIBILITIES:
Accountable for the application architecture of all components within your assigned domain(s)
Guide multiple development teams and work streams at once to ensure successful delivery of
projects
Evaluate and implement solutions and technologies for team adoption
Assess and communicate status, issues, risks and deliverables to stakeholders
Be the “go-to” team member in your domain(s) for application design and patterns
Assist teams by hands-on coding including but not limited to proof-of-concepts, code samples, and
application infrastructure/frameworks.
Able to resolve complex problems in creative and effective ways
Holds full Product Area responsibility
JOB DESCRIPTION
Acts as a point of escalation for high and low-level problems both for with in engineering team and
customers
Develops high-quality, working code features on need basis.
Makes implementation design decisions around new feature components.
Produces contingency plans for critical projects.
Analyzes technical requirements with the team to gauge level of effort.
Breaks down complex projects and delegates work to junior engineers.
Creates technical documentation for new features that can be easily understood by peers.
Performs peer code reviews to ensure quality of the codebase.
Keeps abreast of new technologies.
Ensures designs and projects created comply with design library guidelines, internal best practices,
and coding conventions when applicable.
Perform required collaboration with different stake holder like architects, product management etc.
All other duties as assigned.




