Software Engineer II - iOS SDK Developer - Blueshift

About Us

Blueshift is a venture-funded startup headquartered in San Francisco. Our AI-Powered marketing platform empowers cutting edge B2C brands to drive 1:1 marketing on every channel. With Blueshift, marketers are in full control of automating various forms of personalised messaging across every engagement channel. 

Blueshift is trusted by leading digital brands like Udacity, LendingTree, BBC, and Paypal to automate their customer engagement marketing and recognised by Gartner as a “Cool Vendor for AI in Marketing”.

Blueshift is founded by repeat entrepreneurs who previously built Mertado.com (acquired by Groupon to become Groupon Goods), and were part of the early team behind Kosmix (acquired by Walmart to become @WalmartLabs). We are backed by top-tier VCs including Nexus Venture Partners, Storm Ventures, Luma Partners, and SoftBank Venture Asia.

Blueshift is staffing its team in Pune, India. As part of Blueshift, you will get to work on a cutting-edge product using the latest technologies. This is an exciting opportunity for motivated individuals to build a great career. 

Software Engineer II - iOS SDK Developer

We’re looking for a passionate iOS SDK Developer to join the Mobile team at Blueshift. In this role, you’ll play a key part in developing and maintaining our high-performance SDKs that enable personalized, real-time marketing experiences for millions of users worldwide. These SDKs power push notifications, in-app messaging, and user engagement features for some of the world’s leading brands.

You’ll work closely with senior engineers, product managers, and customer-facing teams to ensure our SDKs are robust, scalable, and easy to integrate into customer mobile apps, serving as a critical link between mobile applications and our cloud-based marketing platform.

Responsibilities

• Design, implement, and maintain SDKs for iOS platform.
• Build SDK APIs that are easy to use, scalable, and reliable for external mobile developers.
• Handle local data caching using Core Data, background processing, and network reliability gracefully.
• Ensure SDK compatibility with a wide range of OS versions and device types.
• Write unit and integration tests to ensure SDK quality.
• Create automated CI/CD pipelines and maintain SDK release processes.
• Work closely with cross-functional teams (backend, product, QA) to define requirements.
• Support additional mobile-focused platform features as the business scales.
• Maintain and update cross-platform plugins for React Native, Flutter, and Cordova.
• Be open to learning new technologies and developing cross-platform plugins from scratch when required.

Requirements

• At least two years of iOS development experience, with at least one year in SDK development.
• Strong proficiency in Objective-C and Swift.
• Deep understanding of mobile networking, offline-first strategies, and background task management.
• Clear communication skills and a proactive, ownership-driven mindset.
• Experience with SDK distribution tools CocoaPods, Swift Package Manager, and Carthage

Nice to Have

• Experience with push notification frameworks or mobile engagement tools.
• Familiarity with cross-platform development (e.g., React Native, Flutter,
• Cordova).
• Exposure to analytics or event-tracking SDKs.

Perks and Benefits

• Competitive salary along with stock option grants.
• Excellent hospitalisation, personal accident, and term insurance coverage.
• Located in a top-notch facility in Baner - one of the best neighbourhoods for tech startups.
• Daily catered breakfast, lunch, and snacks along with well-stocked pantry
• A team that cares about you.