Fullstack Developer (React JS+ React Native)

Cognitionteam; Ahmedabad District; On-site; INR 600,000 - 1,100,000; Full time

Benefits offered by this job

Customer collaboration

Challenging tasks

Skill development

Influence tech

Professional team

Flat structure

Job summary

Cognitionteam in Ahmedabad is seeking an experienced full-stack developer with 3-5 years in React.js and React Native to build scalable web and mobile apps from scratch. You will work on backend services with Node.js/Express, RESTful APIs, and databases like MongoDB or PostgreSQL, collaborating with design and product teams to deliver robust features across platforms.

The role involves working with international clients (US/UK/Europe) in a fast-paced, low-bureaucracy environment that rewards

Qualifications

• 3-5 years of experience in full-stack development with strong expertise in React.js and React Native.
• Proven experience building both web and mobile applications from scratch.
• Proficiency in JavaScript (ES6+), HTML5, and CSS3.
• Solid backend development experience with Node.js, Express.js, or equivalent frameworks.
• Experience working with RESTful APIs, third-party integrations, and JSON.
• Familiarity with databases like MongoDB, PostgreSQL, or MySQL.
• Strong knowledge of mobile app deployment (App Store, Google Play) and debugging tools.
• Excellent English communication skills—both verbal and written.
• Comfortable working with international clients across US, UK, and Europe.
• Bachelor's degree in Computer Science or related field

Responsibilities

• Build and maintain scalable web and mobile applications using React.js and React Native.
• Develop robust backend services and APIs to support frontend and mobile features.
• Work closely with design and product teams to turn requirements into functional interfaces.
• Optimize applications for performance, speed, and responsiveness across devices.
• Manage mobile app submissions, updates, and testing for iOS and Android platforms.
• Collaborate with international clients on requirements, updates, and feedback.
• Participate in code reviews, technical planning, and project discussions

Skills

React.js

React Native

JavaScript ES6+

HTML5

CSS3

Node.js

Express.js

RESTful APIs

MongoDB

PostgreSQL

MySQL

Education

Bachelor's degree in Computer Science or related field

Tools

Expo

Firebase

GraphQL

Job description

Requirements

• 3-5 years of experience in full-stack development with strong expertise in React.js and React Native
• Proven experience building both web and mobile applications from scratch
• Proficiency in JavaScript (ES6+), HTML5, and CSS3
• Solid backend development experience with Node.js, Express.js, or equivalent frameworks
• Experience working with RESTful APIs, third-party integrations, and JSON
• Familiarity with databases like MongoDB, PostgreSQL, or MySQL
• Strong knowledge of mobile app deployment (App Store, Google Play) and debugging tools
• Excellent English communication skills—both verbal and written
• Comfortable working with international clients across US, UK, and Europe
• Bachelor's degree in Computer Science or related field

Nice to Have

• Experience with Expo, Firebase, or GraphQL
• Familiarity with TypeScript in React/React Native projects
• Understanding of mobile UI/UX design principles
• Exposure to CI/CD pipelines and deployment automation for mobile and web
• Experience with push notifications, deep linking, or mobile-specific APIs
• Knowledge of performance optimization techniques across platforms

Responsibilities

• Build and maintain scalable web and mobile applications using React.js and React Native
• Develop robust backend services and APIs to support frontend and mobile features
• Work closely with design and product teams to turn requirements into functional interfaces
• Optimize applications for performance, speed, and responsiveness across devices
• Manage mobile app submissions, updates, and testing for iOS and Android platforms
• Collaborate with international clients on requirements, updates, and feedback
• Participate in code reviews, technical planning, and project discussions

Benefits

• Close cooperation with a customer
• Challenging tasks
• Competence development
• Ability to influence project technologies
• Team of professionals
• Dynamic environment with low level of bureaucracy

Location: Ahmedabad