11+ Facebook API Jobs in Delhi, NCR and Gurgaon | Facebook API Job openings in Delhi, NCR and Gurgaon

1. A candidate with 2+ years of experience in building high-quality Android apps. 
2. A strong understanding of the full life cycle of app development.
3. Experience in designing, developing, debugging and deploying software for server-side development using Java/ Kotlin language.
4. Understanding and the sound of Android SDK, in different versions of Android, and how to effectively write code for a multitude of Android devices.
5. Excellent knowledge of Android design principles and third-party libraries 
6. Experience in building RESTful API's focusing on integration with back-end services.
7. Hands on experience with continuous integration.
8. Passionate about Android and are always up to date with the latest industry trends concerning OS, devices, applications, web technologies and new user interactions as they are released.

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.

About WeSkill: WeSkill is an early-stage funded EdTech startup. Founded by alums from IIMA, IITB and IITD. We are on a mission to reimagine holistic education for kids in India.

As a Full Stack App Developer, you will:

• Be a core team member and ride alongside the founders in a high-growth journey

• Play the role of a tech-lead on various projects, and establish yourself as an SME in certain areas

• Design, build and maintain high performance, reusable, and reliable code

• Write Unit & UI tests, set up dashboards and alerting, uncover and fix bugs, crashes, and other issues, in order to ensure a robust app

• Analyze and optimize UI and infrastructure application code for quality, efficiency, and performance

• Mentor, coach and develop engineers and lead by example

• Collaborate with Product Designers to deliver compelling consumer-facing products on the Android Platform

We are looking for:

• Minimum experience of 3 years in developing android applications with proficiency in Kotlin/ Flutter
• Strong preference for candidates who've worked for a consumer-facing product company or social media or EdTech company
• Experience in defining system architectures and exploring technical feasibility tradeoffs.
• Have experience with common Android libraries like Retrofit, OkHttp, Picasso, RxJava, Gson, Arch-components, etc.
• Debugging skills, including identifying memory leaks, performance bottlenecks, and using tools like adb, proguard, etc
• Experience with multithreading programming and mobile memory management is a plus

Pay range: Competitive salary with generous ESOP pool

Position: Senior Android Developer

Responsibility:

• Building user friendly Android and iOS Apps on React Native platform.
• Designing state-less components in React Native. State management with any of Redux, mobX or Flux.
• Writing modular, reusable, maintainable, well documented and fully tested code.
• Converting designs to mobile applications.
• Integrating with Rest APIs, while collaborating with Backend deve.
• Take complete ownership of the apps and change various elements/ technologies as per business need.
• Ensure optimum speed, performance, quality and responsiveness of application