Consultant-Full Stack Mobile & Web Developer

Flexing It®; Delhi, Bengaluru; On-site; INR 900,000 - 1,800,000; Full time

Job summary

Flexing It is seeking engineers to build cross‑platform mobile apps with Flutter/Dart and web apps with Vue.js/TypeScript. You will implement API integrations, ensure security, and optimize performance across platforms.

You will collaborate with backend, QA, and DevOps teams, contribute to architecture decisions, and participate in testing and CI/CD activities to deliver high‑quality software.

Qualifications

• Experience designing and building cross‑platform mobile apps using Flutter/Dart.
• Frontend web development using Vue.js and TypeScript.
• Strong understanding of API integration and security best practices.

Responsibilities

• Mobile App Development (Flutter & Dart): design, develop, and maintain scalable cross‑platform apps; build reusable UI components; manage state, navigation, and workflows.
• Web App Development (Vue.js & TypeScript): create responsive web apps; build frontend modules; implement scalable architecture and state management.
• API Integration & Security: connect apps to REST APIs; implement auth, secure sessions, and secure API communication.
• Performance Optimization & Debugging: identify bottlenecks; optimize rendering and network requests; debug across Flutter, Vue.js, TS, and APIs.
• Testing & QA: implement unit, widget, component, and integration tests; ensure quality across devices and browsers.
• Architecture & Engineering Collaboration: participate in design reviews; collaborate across teams; support CI/CD and release activities.

Skills

Flutter & Dart

Vue.js & TS

API integration

Performance tuning

Testing

Architecture collaboration

Tools

Flutter

Dart

Vue.js

TypeScript

REST APIs

Job description

Key Responsibilities

1. Mobile Application Development (Flutter & Dart)

• Design, develop, and maintain scalable cross-platform mobile applications using Flutter and Dart.
• Build responsive, reusable, and high-performance UI components.
• Implement state management, business logic, navigation, and application workflows.
• Optimize application performance, startup time, memory usage, and rendering.
• Develop and maintain mobile application architecture and reusable modules.

2. Web Application Development (Vue.js & TypeScript)

• Design and develop responsive, scalable web applications using Vue.js and TypeScript.
• Build reusable UI components, services, utilities, and shared frontend modules.
• Develop scalable frontend architecture and implement efficient state management.
• Apply strong TypeScript fundamentals, including types, interfaces, generics, and asynchronous programming.
• Ensure cross-browser compatibility, responsiveness, and maintainability.

3. API Integration & Application Security

• Integrate mobile and web applications with REST APIs and backend services.
• Implement authentication, authorization, and secure session/token management.
• Ensure secure API communication and follow application security best practices.
• Troubleshoot API-related issues and manage frontend-backend integrations.

4. Performance Optimization & Debugging

• Identify and resolve performance bottlenecks across mobile and web applications.
• Optimize network requests, application rendering, memory consumption, and response times.
• Debug issues across Flutter, Vue.js, TypeScript, APIs, and backend integrations.
• Ensure application reliability, scalability, and a consistent user experience.

5. Testing & Quality Assurance

• Implement unit, widget, component, integration, and end-to-end testing.
• Develop testable and maintainable code following engineering best practices.
• Collaborate with QA teams to identify, troubleshoot, and resolve defects.
• Ensure application quality across different devices, browsers, and platforms.

6. Architecture & Engineering Collaboration

• Participate in technical design discussions, architecture reviews, code reviews, and effort estimations.
• Collaborate with backend, QA, DevOps, security, product, and architecture teams.
• Contribute to coding standards, technical documentation, and development guidelines.
• Support CI/CD processes and application build and release activities.