Job Title: App Developer Intern (React Native CLI, WebSockets & Node.js Backend)
Company: Fix4ever Internet Pvt. Ltd.
Location: Remote / On-site (as applicable)
Application Platform: Unstop
Website: fix4ever.com
LinkedIn: https://in.linkedin.com/company/fix4ever
Duration: 3–6 Months or as applicable

About Fix4ever Internet Pvt. Ltd.

• Fix4ever Internet Pvt. Ltd. is a technology-focused organization delivering scalable, high-performance digital platforms. Our approach is rooted in enterprise-grade engineering, cloud-native infrastructure, and user-centric design. We prioritize performance, reliability, and seamless user experiences across all our products.

Role Overview:

• We are seeking a highly capable App Developer Intern with strong expertise in React Native CLI, real-time communication using WebSockets, and Node.js backend development. The ideal candidate should possess a deep appreciation for high-quality UI/UX and demonstrate the ability to build responsive, intuitive, and production-ready mobile applications.
• This role requires a balance of frontend craftsmanship, backend engineering, and cloud deployment knowledge, with a strong focus on performance, scalability, and real-time system behavior.

Key Responsibilities:

• Develop and maintain cross-platform mobile applications using React Native CLI with emphasis on performance and responsiveness.
• Implement real-time features using WebSockets for live updates, messaging, or streaming use cases.
• Design and develop scalable backend services and APIs using Node.js and associated frameworks.
• Ensure seamless integration between frontend, backend, and real-time communication layers.
• Translate UI/UX design concepts into highly polished, user-friendly mobile interfaces.
• Optimize application performance, including load times, rendering efficiency, and network usage.
• Deploy, manage, and monitor applications using AWS cloud services.
• Participate in system design and architecture discussions with a focus on scalability and maintainability.
• Conduct testing, debugging, and performance tuning across the application stack.
• Maintain high standards of code quality, documentation, and version control practices.

Required Skills and Qualifications:

• Strong proficiency in JavaScript, including ES6+ features and asynchronous programming.
• Hands-on experience with React Native CLI (native modules, animations, and performance optimization preferred).
• Practical experience implementing WebSockets or real-time communication protocols.
• Solid understanding of Node.js and backend frameworks such as Express.js.
• Experience designing and consuming RESTful APIs alongside real-time APIs.
• Strong sense of UI/UX design principles, including layout, typography, color systems, and interaction design.
• Working knowledge of AWS services such as EC2, S3, Lambda, API Gateway, and RDS.
• Familiarity with databases such as MongoDB, MySQL, or PostgreSQL.
• Proficiency in Git and collaborative development workflows.
• Understanding of authentication, authorization, and application security practices.

Preferred Qualifications:

• Experience with state management libraries such as Redux or Context API.
• Familiarity with animation libraries and advanced UI patterns in React Native.
• Exposure to CI/CD pipelines and automated deployment processes.
• Experience with Docker or containerization tools.
• Understanding of event-driven architecture and microservices.
• Prior experience building real-time applications such as chat systems or live dashboards.

Key Competencies:

• Strong problem-solving and analytical thinking skills.
• Attention to detail with a focus on delivering polished user experiences.
• Ability to work in a structured, performance-driven engineering environment.
• Effective communication and collaboration across cross-functional teams.
• High level of ownership, accountability, and willingness to learn.

What the Candidate Will Gain:

• Hands-on experience in building enterprise-grade, real-time mobile applications.
• Exposure to scalable backend systems and cloud infrastructure on AWS.
• Opportunity to work on high-impact features involving real-time communication and advanced UI/UX.
• Mentorship from experienced engineers and exposure to industry best practices.

Application Process:

• Candidates must apply through Unstop by submitting a detailed resume along with links to relevant projects, especially those demonstrating real-time features and UI/UX capabilities.
• Shortlisted candidates will undergo a structured evaluation process, including technical assessments and interviews.
• Fix4ever Internet Pvt. Ltd. is committed to maintaining a professional, inclusive, and high-performance work culture.
• We welcome candidates who are driven to build scalable systems and deliver exceptional user experiences.