iOS Developer

Qualifications:

• 10+ years native mobile development (iOS Swift + Android Kotlin)

• Proven experience building mission-critical, offline-first applications

• Deep understanding of mobile architecture patterns (MVVM, Clean Architecture)

• Expert-level API integration and data synchronization strategies

• Experience with emergency services, healthcare, or field operations software (preferred)

• Strong debugging, performance optimization, and memory management skills

• Demonstrated leadership in establishing mobile development best practices

TECHNICAL EXPERTISE:

• iOS: Swift 5.x, SwiftUI/UIKit, CoreData, CoreLocation, Background Tasks

• Android: Kotlin, Jetpack Compose, Room, WorkManager, Location Services

• Tools: Xcode, Android Studio, Git, Figma, Firebase, TestFlight/Play Console

• CI/CD: Fastlane, GitHub Actions, or similar automation tools

• APIs: RESTful services, JSON parsing, authentication/authorization

• Testing: XCTest, Espresso, automated UI testing frameworks

Responsibilities:

CORE RESPONSIBILITIES:

• Architect mobile applications for First Due's emergency response platform serving Fire and

EMS agencies nationwide

• Lead mobile development initiatives for the Hyderabad development center

• Design offline-first architectures ensuring reliability in low-connectivity emergency

scenarios

• Collaborate with cross-functional teams across US and India time zones

• Establish mobile CI/CD pipelines, coding standards, and quality assurance processes

• Mentor developers on mobile best practices and First Due's technology stack

• Drive sprint planning, velocity tracking, and technical roadmap for mobile development

• Ensure HIPAA compliance and data security for patient care reporting features

Work Location: Hyderabad, India

Work mode: Work From Office

We are looking for an entry level developer to join our team. You must have delivered at least 2 projects either as a part of self training, internships or industry experience.

Required Skills (more the better):

• Native iOS Application Development with Swift, understanding of Objective C, iOS SDK, Xcode, Cocoa Layer, Media Layer, Core Service Layer, Core OS Layer, iOS Frameworks, iOS Developer Tools, iOS programming, iOS Human Interface
• Hybrid mobile application development using Flutter will be an added advantage
• Deployment/ publish in Apple App Store
• Understanding of design patterns like MVC

Additional Skills:

• Versioning tools such as Git, Bit Bucket, and concepts like branching
• DevOps: Knowledge of operating systems, hosting and deployment on cloud platforms like Amazon Web Services, Google Cloud, Azure etc will be added advantage

Responsibilities will include:

• Developing applications for iPhone and iPad
• Reviewing new releases, SDKs, updates in the mobile space
• Writing clean, well-designed code
• Debugging code and fixing bugs
• Ensuring code quality and security by following industry standards
• Managing code repositories and deploying builds
• Contributing to all phases of the development lifecycle
• Participating in team meetings and client meetings/ calls
• Learning new technologies

Why should I join Big Rattle?

Big Rattle Technologies specializes into development of Mobile and Web applications. Our clients include Fortune 5000 companies. Over the past 9 years, we have delivered multiple projects for clients from various industries like FMCG, Restaurants, Banking and Finance, Automobiles, Ecommerce, Television and Broadcast Agencies.

You will have an opportunity to get end-to-end exposure in software design and development of products, web applications and mobile applications. You will also have opportunities to participate in the decision-making process and take leadership roles as you grow in the organisation.

The company offers benefits like

• Healthcare coverage (including Covid-19 vaccination reimbursement)
• Technical certification fee reimbursements
• Technical training fee reimbursements
• 5-day work week
• Flexible working hours
• Hybrid working

Skills Required

1. Good with React Native

2. Some who has worked on consumer Apps

What does the core role include?

• Designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance
• Designing stateless components in React Native
• Contributing in all phases of the development lifecycle
• Working with the developers to create and maintain a robust framework to support the apps
• Working with the developers to build the interface with a focus on usability features

-Strong understanding of Swift & Objective-C, MVC/MVVM, and Cocoa APIs/frameworks

-Experience with AVFoundation, CoreData,Core location, CoreAnimation, CoreGraphics, NSURLSession,

iOS background modes, tvOS, JSON, CocoaPods,3D touch.

-Familiarity with RESTful APIs to connect iOS applications to back-end services.

-Strong understanding of Apple's design principles and interface guidelines.

-Strong understanding of auto layout and UI implementation.

-Strong understanding of Git.

-Understanding of the full mobile development life cycle.

-Experience with third-party libraries and APIs.

-Establish unit-test code for robustness, including edge cases, usability, and general reliability.

-Knowledge in making network calls using Alamofile(swift), AFNetworking(Objective - C), and using native

NSURLSession.

-Good debugging skills and knowledge to use Instruments App.

-App store deployment and certificate management knowledge.

-Knowledge in Firebase Real-Time dB and FCM will be a plus.

-Experience in implementing universal linking in iOS.

We are hiring a  Flutter developer to engineer applications that will run across Android, iOS, and the web. We are looking for someone passionate about performance, reliability, and design with the experience and credentials to back up that passion. Someone who can take ownership of applications, solve technical challenges and take pride in their solutions and code.

The ideal candidate will have experience building native applications, JavaScript knowledge, and a portfolio of applications already published either in the app store or self-hosted.

You’ll be a key member of the team tasked with contributing to a number of high-value projects within Marj Technologies.

Qualifications

• Have two or more iOS/Android apps developed with Flutter. Either deployed on the AppStore/Google Play or available on Github.

• Over one year of experience with developing Flutter applications for mobile and web.

• Experience with third-party libraries and APIs.

• Understanding of the Agile development life-cycle.

• Experience with automated testing and building.

• Experience with Git and Github.

• Proven experience in writing readable code, creating extensive documentation for

  existing code and refactoring previously written code.

• Well-versed with Flutter Null Safety and Bloc architecture.

• Good communication & Problem-solving skills.

Job Description

Your primary focus will be development of iOS applications and their integration with back-end services. You will be working alongside other engineers and developers working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and the creation of quality products is essential.

Responsibilities

Design and build applications for the iOS platform

· Ensure the performance, quality, and responsiveness of applications

· Collaborate with a team to define, design, and ship new features

· Identify and correct bottlenecks and fix bugs

· Help maintain code quality, organization, and automation

Skills

· Proficient with Objective-C or Swift {depending on project requirements}, and Cocoa Touch

· Experience with iOS frameworks such as Core Data, Core Animation, etc.

· Experience with offline storage, threading, and performance tuning

· Familiarity with RESTful APIs to connect iOS applications to back-end services

· Knowledge of other web technologies and UI/UX standards

· Understanding of Apple’s design principles and interface guidelines

· Knowledge of low-level C-based libraries is preferred

· Experience with performance and memory tuning with tools {such as Instruments and Shark, depending on project needs}

· Familiarity with cloud message APIs and push notifications

· Knack for bench marking and optimization

· Proficient understanding of code versioning tools {such as Git, Mercurial or SVN}

· Familiarity with continuous integration

• Strong working experience in IOS application development is a must. First-hand experience of native mobile apps using Swift must.
• Experience with Swift, RxSwift, Swift UI, Unit test.
• Strong system design and architecture skills - specifically for IOS. Curiosity to tinker around, explore new paradigms and strongest for continuous improvement. Strong problem-solving skills.
• Understanding of network connections, Rest API'sand scheduling. Strong knowledge about security standards (e.g. HTTPS) and privacy standards.
• Idea/experience of the unit and instrumentation testing in IOS. Optimizing app performance and memory consumption.
• Leveraging community libraries to efficiently complete development tasks.
• Debugging apps using simulators and related tooling.
• Persisting data for offline-first apps using databases such as Realm.
• Localizing apps to support multiple languages and regions, vernacular libraries and fonts.
• Familiar with Version control system such as GIT.