Job Description

Senior Flutter Developer - POS System

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Position Overview

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We are seeking an experienced Senior Flutter Developer to lead development efforts on the ELERA POS (Point of Sale) Flutter application. This role requires deep expertise in Flutter/Dart development, architectural design skills, and the ability to mentor junior developers while delivering high-quality, scalable solutions for a complex enterprise POS system.

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About the Project

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- Project: ELERA POS Flutter Application (enterprise-grade POS system)
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- Platform: Multi-platform (Windows Desktop primary, Android secondary)
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- Architecture: Multi-module, feature-based architecture with clean code principles
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Key Responsibilities

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Technical Leadership

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- Design and develop scalable Flutter solutions for complex POS features
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- Lead technical discussions with external stakeholders and local team.
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- Review and approve code from team members, ensuring quality and consistency
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- Identify and resolve technical debt and performance bottlenecks
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- Participate in planning and estimations.
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- Provide technical guidance on complex problem-solving
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Development & Implementation

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- Develop complex features and critical system components
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- Integrate with backend APIs and real-time communication systems (MQTT)
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- Optimize application performance for desktop and mobile platforms
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- Handle multi-window desktop application requirements
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- Set up and maintain CI/CD pipelines in GitLab
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- Debug and resolve critical production issues
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Required Technical Skills

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Core Expertise (Must Have)

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- Dart Language: Expert-level knowledge of Dart 3.0+ features and best practices
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- State Management: Deep expertise in Riverpod (2.x) including code generation
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- Architecture: Robust understanding of clean architecture, SOLID principles, DDD
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- Design Patterns: Factory, Repository,



Singleton, Observer, and other GoF patterns
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Flutter Ecosystem (Advanced)

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- Navigation: Advanced go_router implementation with deep linking and guards
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- HTTP/API: Expert-level REST API integration using Dio with interceptors and retry logic
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- Code Generation: Build Runner, Freezed, JSON Serializable, Riverpod Generator
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- Real-time Communication: MQTT client implementation and message handling
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- Local Storage: Secure storage, SharedPreferences, encryption (encrypt package)
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- Responsive UI: ScreenUtil, responsive_builder for multi-device layouts
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Platform-Specific Skills

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- Desktop Development: Window Manager, multi-window support, screen retrieval
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- Mobile Development: Android and iOS platform-specific implementations
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Testing & Quality

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- Testing Frameworks: flutter test, Mockito, integration test, golden tests
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- TDD/BDD: Test-driven or behavior-driven development practices
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- Code Quality: Linting, static analysis, code coverage tools
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- Debugging: Advanced debugging with Flutter DevTools, performance profiling
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DevOps & Tools

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- SDD or AI-DLC methodologies for software design and development.
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- Git/GitLab: Advanced Git workflows, branching strategies, cherry-picking, rebasing
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- CI/CD: GitLab CI/CD pipeline configuration and optimization
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- Build Systems: Flutter build process, flavors, custom build scripts (PowerShell)
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- Package Management: Dependency management, versioning, conflict resolution
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Additional Technical Knowledge

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- UI/UX: Strong understanding of Material Design 3, custom animations, Lottie
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- Performance: App profiling, memory management, optimization techniques
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- Security: Secure coding practices, data encryption, authentication/authorization
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- Networking: Connectivity handling, offline-first architecture, sync strategies
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- Backend Integration: RESTful APIs, WebSockets, GraphQL (bonus)
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Soft Skills & Leadership Qualities

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- Technical Leadership: Proven ability to lead development teams and projects
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- Mentorship: Experience mentoring and upskilling junior developers
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- Communication: Excellent verbal and written communication skills (English/Japanese)
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- Problem-Solving: Robust analytical and critical thinking abilities
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- Collaboration: Effective cross-team collaboration and stakeholder management
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- Ownership: Strong sense of ownership and accountability
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- Adaptability: Comfortable with changing requirements and priorities
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Education & Experience

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- Bachelor's or Master's degree in Computer Science, Software Engineering, or equivalent
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- 5+ years of software development experience
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- 3+ years of professional Flutter development experience
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Preferred Qualifications

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- Knowledge of retail/POS business processes and workflows
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- Experience with hardware peripheral integration
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- Japanese language proficiency (reading technical documentation)
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What We Offer

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- Work on cutting-edge enterprise POS system with real-world impact
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- Opportunity to lead and mentor a development team
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- Challenging technical problems and continuous learning opportunities
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- Collaborative and supportive work environment
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- Competitive salary and benefits package
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- Career development and training opportunities
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📌 Senior flutter developer (Bengaluru)
🏢 Awign Expert
📍 Bengaluru