iOS Developer

Position: Senior React Native Developer (4- 7 years)

Location: Remote (Company in Mumbai)

Company: Big Rattle Technologies Private Limited

Immediate Joiners only.

Summary:

We're looking for a seasoned React Native developer who has shipped production-grade mobile apps on both iOS and Android — ideally in the high-traffic, high-stakes world of e-commerce. You'll own the mobile experience end-to-end: architecture, performance, and flawless UX across devices.

Note: We are looking for a senior expert who has delivered multiple apps that are built from scratch and hosted on Apple Store/ Play Store i.e. e2e lifecycle.

KEY RESPONSIBILITIES

• Design and build scalable React Native apps for both iOS and Android from scratch to App Store / Play Store deployment.
• Architect complex e-commerce flows — product catalogues, cart, checkout, payment gateway integration, and order tracking.
• Optimize app performance: reduce TTI, maintain smooth 60fps animations, and manage memory on low-end devices.
• Integrate REST and GraphQL APIs; manage state with Redux Toolkit, Zustand, or React Query.
• Implement push notifications, deep linking, in-app navigation, and offline-first strategies.
• Write clean, well-tested code; maintain CI/CD pipelines using Fastlane, GitHub Actions, or Bitrise.
• Collaborate with designers, backend engineers, and product managers in Agile sprints.
• Conduct code reviews and mentor junior mobile developers.

Required Skills:

Core Mobile

▸ React Native CLI & Expo

▸ TypeScript

▸ React Navigation v6+

▸ iOS (Swift basics) & Android (Kotlin basics) ▸ Xcode & Android Studio

E-commerce & Integrations

▸ Product / Cart / Checkout flows

▸ Razorpay, Stripe, PayPal SDKs

▸ Wishlist, search UX, filters

▸ Order tracking & delivery status

▸ Push notifications & deep linking

State & Data

▸ Redux Toolkit / Zustand

▸ React Query / SWR

▸ REST & GraphQL APIs

▸ AsyncStorage / MMKV

▸ Firebase Realtime DB / Firestore

DevOps & Tooling

▸ Fastlane & GitHub Actions / Bitrise

▸ Jest (unit) & Detox (E2E)

▸ Firebase Crashlytics & Sentry

▸ Flipper / Reactotron

▸ App Store & Play Store deployments

Nice to Have skills: New Architecture · RN Web · AR try-on · RTL support · Shopify SDK · WCAG · Maps SDK

• React Native New Architecture (JSI / Fabric / TurboModules)
• React Native Web or monorepo setups (Nx, Turborepo)
• AR product try-on experiences (ARKit / ARCore)
• Shopify Storefront API or WooCommerce SDK experience
• Accessibility (WCAG mobile) implementation
• Live order-tracking maps (Google Maps / Mapbox)

Required Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or a related technical field.

Why should you join Big Rattle?

Big Rattle Technologies specializes in AI/ ML Products and Solutions as well as Mobile and Web Application Development. Our clients include Fortune 500 companies. Over the past 13 years, we have delivered multiple projects for international and Indian clients from various industries like FMCG, Banking and Finance, Automobiles, Ecommerce, etc. We also specialise in Product Development for our clients.

Big Rattle Technologies Private Limited is ISO 27001:2022 certified and CyberGRX certified.

What We Offer:

• Opportunity to work on diverse projects for Fortune 500 clients.
• Competitive salary and performance-based growth.
• Dynamic, collaborative, and growth-oriented work environment.
• Direct impact on product quality and client satisfaction.
• 5-day hybrid work week.
• Certification reimbursement.
• Healthcare coverage.

iOS Developer

Experience 3-8 years

Job Qualifications and Skill Sets(T3-T4)

T3

1. Full-time undergraduate degree or above in computer and related majors

2. More than 3 years of iOS development experience, proficient in OC/Swifit language

3. Have good architecture and interface design capabilities, understand object-oriented design and design patterns, and be able to write high-quality code

4. Understand performance optimization, be familiar with Frameworks-related core libraries, multi-threading, data storage, network communication and other underlying principles

5. Have strong analytical and problem-solving abilities, quick learning ability, stress resistance, communication and collaboration skills

6. Proficient in the use of mainstream tripartite frameworks

T4

1. Full-time undergraduate degree or above in computer and related majors

2. More than 5 years of iOS development experience, proficient in OC/Swifit language

3. Have good architecture and interface design capabilities, understand object-oriented design and design patterns, and be able to implement reusable components with high quality

4. Familiar with performance optimization, familiar with Frameworks-related core libraries, multi-threading, data storage, network communication and other underlying principles

5. Have strong analytical and problem-solving abilities, quick learning ability, stress resistance, communication and collaboration skills

6. Applicants with experience in large-scale first-line Internet product development will be given priority

7. Applicants with development experience in large-scale project performance optimization, engineering efficiency optimization, cross-platform solutions, etc. will be given priority

8. Be familiar with one or more third-party source codes. You need to be familiar with and understand the design patterns and runtime source codes.

Note: Kindly apply only if your open to Work from Office Bangalore and available to join immediate to 10 days.

Interested candidates connect @Bhavani P on the LinkedIn or message your number/ id on the cut short chat.

Safety Connect is a leading company in the domain of enterprise field force safety.

We are looking for a Flutter developer to join our team. The developer will be responsible for Flutter development for a Product. The primary focus will be on understanding the product flow and making App UI with API integration. App development will be done for both Android and iOS platforms.

Roles and Responsibilities:

• Design and develop high-volume, low-latency applications for mission-critical systems, delivering high-availability and performance

• Must have work experience with Flutter SDK and Dart programming language

• Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies.

• Familiarity with SQL/NoSQL databases and their declarative query languages.

• Write well designed, testable, efficient code

• Ensure designs are in compliance with specifications

• Proficient understanding of code versioning tools, such as Git.

• Strong debugging, aptitude, and problem-solving skills.

• Strong communication and team collaboration skills.

• Knowledge of Firebase or Firestore is a plus.

• Collaborate closely with the teams of UI/UX designers, PMs, QAs, and other developers

Qualifications/ Requirements:

• Experience with offline storage, threading, and performance tuning

• Familiarity with push notifications

• Familiarity with IOS and Android integrations with Flutter.

• Experience using GitHub or similar environment

• Complete understanding of SDLC

• Knowledge and understanding of Design-Patterns and Data Structures.

• Attention to detail and good problem-solving skills.

• Excellent interpersonal skills.

• 1-2  years of experience as a flutter developer in SaaS/B2B.

• Bachelor’s degree or equivalent required in computer science or information technology.

The ideal candidate will be responsible for designing, developing, testing, and debugging mobile applications for the company. Using Swift / Kotlin this candidate will be able to translate user and business needs into functional frontend design.

Responsibilities

• Designing, developing, and testing UI for mobile applications
• Build reusable code and libraries for future use
• Accurately translate user and business needs into functional frontend code

Qualifications

• 3+ years' experience in frontend development
• Experience building mobile applications using Kotlin or Swift.