ClearScale (headquartered in San Francisco, California, USA) - AWS Premier Consulting Partner with 11 AWS competencies has been offering a full range of professional cloud computing services for over 10 years, including cloud migrations, DevOps automation, application modernization and cloud-native applications development, data engineering, security solutions, and 24/7 technical support.
The list of our customers is diverse: from SMB and startups to educational institutions (University of California, San Francisco) and well-known global brands (IBM, Samsung, GoPro, HP, Conde Nast, Carl Zeiss, etc.) The number of satisfied customers has been well over 850, some of which can be found on the company's website in the Case Studies section.
Since the very foundation of the company, we work 100% remotely from various cities and countries.
Description:
We are developing an iOS SDK for a major enterprise cutting-edge technology company specializing in cloud-based marketing and customer engagement solutions. This SDK will enable seamless rendering of personalized and context-aware push notifications, tracking user behavior and telemetry data, supporting their broader mobile engagement and campaign automation initiatives.
Responsibilities:
- Design, develop, and maintain an iOS SDK for rendering push notifications.
- Implement efficient and scalable push notification handling and UI rendering.
- Ensure the SDK integrates smoothly with APNs (optionally with Firebase and third-party push notification services)
- Optimize SDK performance and minimize battery and network impact.
- Write comprehensive documentation and sample integrations for developers.
- Collaborate with backend teams to define API contracts and data payload structures.
- Ensure security best practices are followed when handling push notification data.
- Provide support and resolve issues for clients integrating the SDK.
Requirements:
- 4+ years of experience in iOS development using Swift and Objective-C.
- Proven experience in building and publishing iOS SDKs or frameworks.
- Strong knowledge of Apple Push Notification Service (APNs) and push notification handling in iOS.
- Familiarity with Firebase Cloud Messaging (FCM) and other push services.
- Experience with background tasks, app extensions, and widget development.
- Solid understanding of iOS security, app lifecycle, and performance optimization.
- Strong debugging and problem-solving skills.
- Experience with CI/CD pipelines and automated testing for iOS SDKs is a plus.
- Experience with writing unit and integration test automation for iOS SDKs and applications
- Familiarity with REST APIs and data serialization
- English communication skills, both written and verbal
What we offer
# 1 Fair wage
- 100% remote position
- Hourly rate in USD
- Full-time, 40 hours per week contract
- Payments every 2 weeks
- Career development system - possibility to grow in a fast-developing Delivery Center in Central Europe
- Annual rate review
# 2 Professional Development
- Work with innovative Silicon Valley companies and traditional American companies at the cutting edge of digital transformation
- We work with the newest technologies in AWS cloud and open-source tools like Jira, Confluence, Lucidchart, Slack etc
- We operate in an honest and competitive environment and we are one of AWS's top 10 key partners.
- The team willing to share its experience
- Paid AWS certifications: we provide training material, paid time off and examination itself
- Horizontal and vertical career growth - We keep growing and people keep growing with us
