iOS Developer

OSX Techlabs Private Limited; Pune District; On-site; INR 600,000 - 1,200,000; Full time

Job summary

Osmos is seeking a motivated iOS Developer to design, build, and maintain high-quality mobile apps and Ads SDKs for iOS and Flutter. You will own SDK integration and collaborate with product, backend, and design teams to deliver scalable solutions.

Ideal candidates have 1–3 years of iOS experience, strong Swift skills, and familiarity with REST/GraphQL. You will contribute to CI/CD and ensure robust app performance across devices and OS versions.

Qualifications

• 1–3 years of experience in iOS application development.
• Strong working knowledge of Swift and the iOS SDK.
• Hands-on experience with UIKit and/or SwiftUI.
• Basic understanding of iOS app architecture (MVC/MVVM).
• Understanding of REST APIs, JSON, networking, and asynchronous programming.
• Familiarity with Xcode and debugging tools.
• Experience with Git and version control.

Responsibilities

• Develop and maintain mobile applications and Ads SDKs across iOS and Flutter platforms.
• Own SDK development, integration, and optimization for client applications.
• Collaborate with product managers, backend engineers, and designers to build scalable mobile solutions.
• Build reusable, modular, and maintainable code for apps and SDK components.
• Ensure seamless integration with backend services via REST/GraphQL APIs.
• Optimize app performance (latency, memory, battery, size).
• Debug and resolve crashes, ANRs, and integration issues.
• Maintain consistent UI/UX across devices and platforms.
• Follow security and data-handling best practices; manage releases.

Skills

Swift

iOS SDK

UIKit

SwiftUI

REST APIs

GraphQL

Version control

Xcode

Debugging

Communication

Tools

Firebase Crashlytics

Job description

Who We Are, Osmos

A B2B SaaS company founded by ex-Amazon ad-tech experts, is revolutionizing retail media with an AI-powered operating system that increases retailer profitability (by up to 7% of sales) and delivers superior ROAS for brands. By enabling Tier 1 retailers and marketplaces worldwide to activate more brands and leverage advanced targeting, we help them secure a lasting competitive edge.

Your Impact

We are seeking a highly motivated IOS Developer to join our team. You will work closely with cross-functional teams to design, develop, and maintain high-quality mobile applications that deliver seamless and engaging user experiences.

What You'll Do

• Develop and maintain high-performance mobile applications and Ads SDKs across IOS, and Flutter platforms
• Take ownership of SDK development, integration, and optimization for client applications
• Collaborate with product managers, backend engineers, and designers to define and implement scalable mobile solutions
• Build reusable, modular, and maintainable code for both apps and SDK components
• Ensure seamless integration with backend services via REST/GraphQL APIs
• Optimize app and SDK performance (latency, memory usage, battery consumption, app size)
• Debug and resolve complex issues including crashes, ANRs, and integration failures
• Ensure consistent behavior and UI/UX across platforms and devices
• Implement best practices for mobile security, data handling, and versioning
• Manage app releases on Play Store/App Store and handle rollout strategies
• Contribute to CI/CD pipelines for automated builds, testing, and releases
• Monitor production performance (crashes, usage, SDK impact) and continuously improve reliability
• Stay updated with evolving mobile technologies and propose improvements

You’ll Thrive If You Have

• 1-3 years of experience in iOS application development
• Strong working knowledge of Swift and the iOS SDK
• Hands-on experience with UIKit and/or SwiftUI
• Basic understanding of iOS application architecture, such as MVC/MVVM
• Understanding of REST APIs, JSON, networking, and asynchronous programming
• Understanding of iOS app lifecycle, threading, and memory management (ARC)
• Experience with Git and version control
• Experience debugging crashes, UI issues, memory problems, and performance issues
• Familiarity with tools such as Xcode Debugger, Instruments, and Firebase Crashlytics
• Understanding of different iOS versions, screen sizes, and device compatibility
• Basic understanding of unit testing and UI testing using XCTest/XCUITest
• Exposure to third-party SDK integration; Ads SDK experience is a plus
• Basic understanding of iOS app release and deployment using TestFlight/App Store
• Ability to write clean, readable, and maintainable code
• Strong debugging, problem-solving, and learning skills
• Ability to take ownership of assigned features from development through testing and release
• Good communication and collaboration skills with product, QA, backend, and engineering teams.

Good to Have?

• Experience with Ads/Monetization SDKs (video ads, display ads, programmatic)
• Experience with WebView, hybrid apps, or JS bridges
• Knowledge of Firebase, crash analytics, or performance monitoring tools
• Published apps or SDKs on Play Store/App Store
• Experience with offline support, caching, and low-network optimization

Why Choose Osmos?

• Startup Energy, Enterprise Scale: Fast-paced innovation with global ambition
• Revolutionize Retail Marketing: Be at the forefront of AI-powered solutions
• Meaningful Contribution: Directly impacts major brands' success
• No Red Tape: Autonomy and empowerment to drive results
• Growth & Fun: Continuous learning in a vibrant, collaborative culture
• Competitive Rewards: We value your expertise and offer strong compensation