Mobile App developer with AWS knowledge

Required Skills: Advanced Flutter & Dart Expertise, Scalable Mobile Architecture Design, Performance Optimization & Profiling, OTT & Media App Engineering, Code Quality, Leadership & Cross-Functional Collaboration

Criteria:

• 6+ years of total software development experience with minimum 3+ years in Flutter
• Product-based company experience is mandatory (B2C scale preferred)
• Proven ability to own end-to-end Flutter mobile architecture for high-scale apps
• Strong expertise in Dart, Flutter SDK internals, and advanced state management (Bloc / Riverpod / Provider)
• Hands-on experience with platform channels and native integrations (Android & iOS)
• Deep knowledge of performance optimization: app startup time, FPS, memory leaks, widget rebuilds, rendering pipeline
• Experience with profiling tools (Dart DevTools, Android Profiler, Xcode Instruments)
• Strong skills in offline-first architecture, caching layers, and API integrations
• Ability to optimize video playback, downloads, DRM, and OTT workflows
• Strong command of clean code, SOLID principles, and scalable mobile system design
• Experience reviewing code and mentoring engineers (Senior IC role)

Description

Role Overview

We are looking for an experienced Flutter SDE III who can take complete ownership of architecture, performance optimization, and app scalability for our OTT mobile applications. This is a senior individual contributor role requiring deep technical expertise and the ability to influence design decisions at a product level.

Key Responsibilities

1. Architecture & Design (High-Impact IC Role)

• Own the end-to-end architecture of company’s Flutter mobile applications.

• Design scalable, modular, testable app ecosystems aligned with OTT-specific performance constraints.

• Lead decisions around state management, navigation hierarchy, API structure, offline capabilities, and security.

2. Performance & Device Optimization

• Diagnose and resolve mobile performance bottlenecks, including:

  o App startup time, FPS drops, memory leaks.

  o Heating issues, over-rendering, and expensive widget rebuilds.

  o Battery optimization, efficient network calls, caching strategy.

• Run in-depth profiling using tools like Dart DevTools, Android Profiler, and Xcode Instruments.

3. OTT-Specific Engineering

• Optimize video playback workflows for low-latency streaming.

• Implement efficient background processes for downloads, DRM, content sync, and push notifications.

4. Product & User Experience Ownership

• Collaborate closely with Product, Backend, and Video Engineering teams.

• Convert business/product requirements into high-performance technical solutions.

• Ensure UI/UX consistency across platforms while maintaining performance budgets.

5. Code Quality & Leadership

• Write clean, extensible, and maintainable code with strong adherence to SOLID and reactive programming principles.

• Review code for mid-level and junior engineers; act as a mentor across teams.

• Establish engineering standards, internal frameworks, and reusable components for long-term scalability.

Required Skills & Experience

Technical Must-Haves

• 6+ years of total experience with 3+ years in Flutter for large-scale products.

• Mandatory product-based company background (B2C scale preferred).

• Strong expertise in:

  o Dart, Flutter SDK internals

  o Bloc, Riverpod, Provider, or other state management approaches

  o Custom animations, rendering pipeline, shader-based optimization

  o Platform channels (Android/iOS) and native integrations

  o API integration, caching layers, offline-first architecture

• Strong understanding of mobile system design, scalable architecture, and low-level performance engineering.

Good to Have

• Experience with video streaming apps, OTT platforms, or media-heavy applications.

• Understanding of analytics frameworks (Firebase, Segment, Mixpanel).

• Exposure to CI/CD pipelines, automated testing, and fastlane.

Personality & Mindset

• Product thinking, not just feature-building.

• Ownership-driven with strong ability to take strategic technical decisions.

• Comfortable working in a fast-paced 0→1 and scale-up environment.

Why Join company?

• Work on a high-growth OTT app with millions of users.

• Opportunity to own the core mobile experience end-to-end.

• Build impact-heavy features at scale with a lean, highly skilled engineering team.

Job Description – Flutter Developer (5–10 Years)

Department: Engineering – Software & QA

Industry: Insurance / Fintech

Employment Type: Full-Time, Permanent

Position Overview

We are looking for an experienced Flutter Developer (5–10 years) to join our engineering team. The ideal candidate will be responsible for building high-quality, scalable mobile applications using Flutter for both Android and iOS. You will collaborate closely with designers, product managers, and engineers to deliver end-to-end mobile solutions, lead junior developers, and contribute to architectural and process improvements.

What You Will Be Doing

✔ Develop high-quality, scalable mobile applications using Flutter & Dart

✔ Translate UI/UX designs and wireframes into fully functional apps

✔ Write clean, testable, and maintainable code

✔ Work closely with designers, PMs, QAs, and other developers

✔ Implement new features, fix bugs, and optimize app performance

✔ Handle app flows involving offline storage, threading, localization, etc.

✔ Integrate third-party services: REST APIs, Firebase, Location, Notifications, Video recording, Payment gateways

✔ Participate in project estimation, architecture discussions, and release planning

✔ Contribute to the full mobile development lifecycle—from concept to deployment

✔ Prepare documentation for architecture, reusable components, and processes

✔ Lead and mentor junior Flutter developers

✔ Stay updated with latest Flutter, mobile development, and Web technologies

✔ Contribute to Flutter Web modules when required

Required Skills & Experience

Technical Skills

Must Have

• 5–10 years total experience, with 4+ years in Flutter & Dart
• Strong understanding of mobile app development (Android & iOS)
• Ability to design & build apps from scratch
• Experience with:
• Firebase services (Auth, Firestore, Storage, Messaging)
• Location services
• Push notifications
• Video recording modules
• REST API integration
• 3rd-party SDK integrations
• Expertise in:
• Building UI-rich, high-performance mobile apps
• Offline storage, performance tuning, and low battery usage optimization
• Experience using Git/GitHub
• Published at least 1+ app on PlayStore or App Store
• Understanding of Flutter Web
• Basic knowledge of payment gateway integration
• Knowledge of GraphQL is a plus
• Experience with native Android/iOS development is a big advantage

AI Tools Experience (Preferred)

• Using AI coding assistants: GitHub Copilot, Cursor AI, Tabnine
• Working with OpenAI / Claude APIs
• Using AI for debugging, optimization, and productivity
• Basic understanding of prompt engineering

Bonus Skills (Good to Have)

• Cloud platforms: AWS / Azure / Google Cloud
• Docker containers
• CI/CD pipelines: GitHub Actions, Jenkins
• Message queues: Kafka / RabbitMQ
• Caching systems: Redis / Memcached
• Frontend experience in Flutter Web
• Experience with distributed systems

Job Title: Flutter Mobile App Developer

Department: Engineering

Summary:

We are looking for a talented Flutter Mobile App Developer to join our team. The ideal

candidate will have a strong understanding of Flutter and Dart, as well as experience

developing mobile apps for Android and iOS. The successful candidate will be

responsible for designing, developing, testing, and deploying high-quality mobile apps

that meet the needs of our users.

Responsibilities:

● Design, develop, test, and deploy mobile apps using Flutter and Dart

● Work with product managers and designers to gather requirements and translate

them into technical specifications

● Work with other engineers to build and maintain our mobile app codebase

● Stay up-to-date on the latest Flutter and Dart developments

● Participate in code reviews and provide feedback on code quality

● Mentor and train junior engineers

Qualifications:

● Bachelor's degree in Computer Science or a related field

● 4+ years of experience developing mobile apps using Flutter and Dart

● 1+ years of experience with commonly used 3rd party libraries and services,

push notifications and app analytics

● Experience with building video streaming and messaging apps is a huge plus

● Strong problem-solving and debugging skills

● Excellent written and verbal communication skills

Benefits:

● Competitive salary and benefits package

● Opportunity to work on challenging and interesting projects

● Collaborative and supportive work environment

● Chance to make a real impact on the lives of our users

COMPANY OVERVIEW

QubeHealth is on a mission to change the way people access healthcare.

India has one of the highest out-of-pocket-expenses in healthcare in the world. Even with group health insurance cover, the average Indian worker pays 60% of health-related expenditures out-of-pocket. Paying for and accessing, healthcare remains a massive challenge in India.

On the other hand, there’s all kinds of innovative ways one can pay for buying the smallest item on any popular e-commerce portal. We believe it’s high time we changed that, and are leading this change from the forefront.

We are looking for a Flutter Android Developer who possesses a passion for pushing mobile technologies to the limits. This Android app developer will work with our Product team to design and build the next generation of our mobile applications. Android programming works closely with other app development and technical teams.

• Design and build applications for the Android platform
  
• Collaborate with cross-functional teams to define, design, and ship new features
  
• Work with outside data sources and APIs
  
• Unit-test code for robustness, including edge cases, usability, and general reliability
• Work on bug fixing and improving application performance
  
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency
  

Tech Skills

• Flutter & Dart
  
• Rest API
  
• MySQL (good to have)
  
• GitHub
  

Soft Skills

• Good Communication
  
• Team Player
  
• Creative
  
• Problem Solver

Location: Preferably based out of Mumbai & willing to work from our Mumbai office.

At Navi, our mission is to build financial services that are simple, accessible and affordable.

Navi is founded by Sachin Bansal & Ankit Agarwal to build consumer-centric and technology-driven businesses in the BFSI (Banking, Financial Services & Insurance) space.

Responsibilities:

• Work on the development of the Android app for our first product
• Write clean, well-tested code
• Optimise app performance using real profiling data

Requirements:

• 3+ years of software development experience
• Strong computer science fundamentals
• Deep knowledge of Java and Android SDKs, familiarity with Kotlin
• Can write code that is readable, maintainable and testable
• Know the importance of tests and how to approach writing different types of tests

Bonus:

• Know how to use test driven development as a design tool
• Seek to identify key underlying ideas and use those as building blocks before reaching for shiny new tools