React JS Developer

Job Description:

Responsibilities:

- Lead frontend architecture and ensure code quality, scalability, and performance.

- Drive the development of high-quality web applications using React.js, Next.js, Redux, and modern JavaScript

practices.

- Mentor and guide junior and mid-level developers through code reviews and technical discussions.

- Work closely with cross-functional teams including backend engineers, designers, and product managers.

- Optimize frontend performance, SEO, accessibility, and responsiveness.

- Maintain a reusable component library with adherence to design systems and frontend best practices.

- Define and enforce coding standards and development workflows.

- Stay updated with the latest frontend trends and bring innovation to the team.

Required Skills & Qualifications:

- 4+ years of experience in frontend development with React.js (including at least 1 year in a lead or

mentoring role)

- Strong command of JavaScript (ES6+), HTML5, CSS3, and TypeScript.

- Hands-on experience with Redux, Next.js, RESTful APIs, and component-driven development

- Proficient with UI frameworks like Tailwind CSS, Material-UI, or Bootstrap

- Familiar with testing tools like Jest, React Testing Library

- Exposure to backend fundamentals or APIs (Node.js, Java, Python - a plus)

- Excellent communication and leadership skills with the ability to manage deadlines and priorities

Nice to Have :

- Experience with other frontend frameworks like Vue.js or Angular

- Understanding of CI/CD pipelines and DevOps tools

- Experience working in Agile/Scrum environments

Job Summary:

Core Technical Skills

Strong JavaScript OR TypeScript experience (minimum 2 years)

Angular OR good balance of JS/TS + Angular skills

Understanding of HTTP requests & web technologies

Hands-on project experience in JavaScript ecosystem

Good to have (not mandatory):

Node.js

XPath

Puppeteer

Automation scripting exposure

Coding & Development Skills

Building and maintaining UI components

Writing clean, maintainable code

• Debugging & troubleshooting in production/test environments

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Meet with stakeholders, customers, and project teams to collect requirements, scope projects, and contribute to creative 

and technical concepts 

∙Implement modifications to existing campaigns to accommodate changes in user requirements 

∙Employ best practices in developing, conducting, and interpreting A/B tests and personalization campaigns focused on user 

experience and effectiveness against project goals 

∙Identify areas for improvements and assist in managing projects to implement enhancements to completion  

∙Maintain campaign code in GitHub following established organization standards and development guidelines 

∙Ensure team process to enter and track implementation information including work items, tasks and issue management 

using JIRA 

Tools: 

∙Must have 5+ years minimum experience in building and maintaining web applications. 

∙Must have experience in web technologies HTML5, CSS3, JSON, JavaScript, Web services (SOAP/REST). 

∙Must have Experience in CSS and JavaScript frameworks like Bootstrap, jQuery etc. 

∙Experience with SASS/LESS frameworks. 

∙Experience with source control systems like TFS, GIT etc. 

∙Experience with JavaScript application frameworks such as Angular, React or Vue.js is a plus. 

∙Knowledge of scripting languages and object-oriented concepts. 

∙Experience with Agile / Scrum software development practices. 

∙Excellent troubleshooting and communication skills. 

∙Experience in any content management systems (CMS) preferred but not required. 

∙Ability to work independently and as part of a team. 

∙A/B Testing or Personalization experience is preferred but not required. 

∙Bachelor's degree in computer science, engineering or a related discipline with an information technology focus or 

equivalent experience

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

•      Strong interpersonal, communication and analytical skills

•      Should have the ability to express their design ideas and thoughts

Job Brief

•      JavaScript and angular expertise

•      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

Company Profile:

Website : www.wissen.com

Wissen Thought leadership : https://www.wissen.com/articles/

https://www.youtube.com/watch?v=H_rLmHvlOKg

Employee Speak: https://www.ambitionbox.com/overview/wissen-technology-overview

LinkedIn: https://www.linkedin.com/company/wissen-technology

Wissen | Driving Digital Transformation

A technology consultancy that drives digital innovation by connecting strategy and execution, helping global clients to strengthen their core technology.

PREFERRED QUALIFICATION AND SKILLS:

• In depth knowledge of HTML5 • In depth knowledge of CSS3 (Less, Sass, Stylus is a plus), knowledge of BEM methodology is preferred

• Detailed knowledge of JavaScript (ES2015 is a plus) is a must

• Good knowledge of Node.js & npm

• Gulp or Grunt experience is a plus • Experience with Atomic design paradigm is a plus

• Experience in any JS framework(Angular, React + Redux, Vue, etc.,) is must

• Understanding of Web Accessibility WCAG guidelines.

• Must be able to mentor and guide junior technical resources.

• One who is proactive and come forward with technology related initiatives. Motivated selfstarter.

 • Good Communication skills. English - Oral and Written.

Sizzle.gg is an exciting new startup that’s changing the world of gaming.  At Sizzle, we’re building AI to automate gaming highlights, directly from Twitch and YouTube streams. We’re looking for a superstar front-end engineer that can work closely with UI/UX designers and continuously improve our site.  

You will:

• Work closely with UI/UX designers and the management team to make iterative enhancements to the website, using React, HTML & CSS
• Keep iterating and improving our client video player in React and Meteor.js
• Run numerous A/B tests on the website design, layout, color scheme, button placement, images/videos, and other objects to optimize time on site and conversion
• Create other online assets in similar style, such as HTML emails, ad landing pages, and more
• Work closely with marketing and management team to ensure successful adoption of the app, and make iterative changes to make them more user-friendly
• Work with the rest of the engineering team (back-end engineers, AI engineers) to optimize the user experience across both the site and the apps

You should have the following qualities:

• Must be an expert in React.js, HTML5, HTML, CSS, and related web technologies.  Ideally also have expertise in Meteor.js.
• Must have expertise in Bootstrap and have built responsive websites with high polish
• Familiarity with AWS environments
• Excited about working in a fast-changing startup environment
• Have a point of view on designs, usability, and delivering what the user wants
• Willingness to learn rapidly on the job, try different things, and deliver results
• Ideally a gamer or someone interested in watching gaming content online
• Looking for someone in Bangalore or willing to relocate

Key Responsibilities

• Design and Build complicated Workflow
• Understanding the user persona and deliver slick experience
• Experience in JavaScript (ReactJS / Redux) React Native, HTML, CSS, JQuery, HTTP
• Strong understating of XML, JSON, DOM, and w3c standards
• Providing technical expertise for every phase of the project lifecycle; from concept development to solution design, implementation, optimization and support
• Be an Interface with Stockholder sand architects to create technology specifications from business requirements for one or more modules within the project
• Responsible to prepare the technical design of the components within the module (one or more of client/web presentation tier, server tier, data access and data model, integration component, package function customization)
• Proficient in articulating the pros and cons of using a certain technology stack or component or design pattern versus another to the clients and project team and drives selection of technologies, designs to come up with the optimal architecture
• Drives the performance tuning, re-design and re-factoring for a module
• Contributes to designing and implementing the build, release process as well as system configuration and deployment characteristics of the application
• Implements (hands-on) the module components based on prevailing Framework and Open-source standards & its best practices.
• Mentors the team (people working on the module and other project team members) on technology concepts and best practices for design, implementation and other processes

We are looking for a great JavaScript developer who is proficient with React.js and React Native. His/her primary focus will be on developing user interface components and implementing them following well-known React.js workflows.

Responsibilities:

• Developing new user-facing features using React.js and React Native.
• Work with Bright's design team to build excellent UI components.
• Building reusable components and front-end libraries for future use.
• Architect, build and maintain excellent javascript/React Native applications with clean code.
• Diagnose and fix bugs and performance bottlenecks for performance that feels native.
• Reach out to the open source community to encourage and help implement mission-critical software fixesReact Native moves fast and often breaks things.
• Maintain code and write automated tests to ensure the product is of the highest quality.

Requirements:

• Strong proficiency in JavaScript and CSS .
• Thorough understanding of React/React-Native and its core principles.
• Past experience with building Customer Facing UI components.
• Some experience with UI design and related tools.
• Knowledge of automation testing framework using any technology for web and mobile apps is a plus.
• Knowledge of Database basics, SQL queries, etc.