Job Overview
Location
Hamburg
Job Type
Full-time
Category
Software Engineering
Date Posted
May 23, 2026
Full Job Description
đź“‹ Description
- • Develop and maintain the justtrack SDK across mobile and web platforms, with primary focus on iOS implementation and optimization.
- • Design and implement clean, scalable, and well-documented SDK code that external developers can easily integrate into their apps and games.
- • Collaborate with a technical team including engineers and a Tech Lead to build a marketing and analytics SDK that powers client growth strategies.
- • Ensure the SDK delivers high performance, low latency, and minimal impact on app size and battery life for end-users.
- • Work directly on client-facing technology that enables app and game publishers to manage global growth marketing, analytics, and automation workflows.
- • Contribute to the full lifecycle of SDK features—from requirements gathering and architecture design to testing, deployment, and post-release support.
- • Maintain compatibility with evolving mobile operating systems, including iOS updates and Apple’s privacy frameworks such as App Tracking Transparency (ATT).
- • Write unit and integration tests to ensure SDK reliability across diverse device configurations and network conditions.
- • Provide technical documentation and developer support materials to help external clients successfully adopt and troubleshoot the SDK.
- • Participate in code reviews and architectural discussions to uphold high engineering standards across the SDK codebase.
- • Stay current with mobile development best practices, SDK trends, and industry standards in mobile analytics and marketing attribution.
- • Interface with product and customer success teams to understand client needs and translate them into technical improvements for the SDK.
- • Help identify and resolve edge cases and bugs reported by external developers using the justtrack SDK in production environments.
- • Contribute to the continuous improvement of developer experience by refining API design, error messaging, and integration workflows.
- • Work within the Applike Group ecosystem, leveraging access to industry expertise and long-term funding to build scalable, enterprise-grade software.
🎯 Requirements
- • Proven experience developing mobile SDKs, particularly for iOS
- • Strong proficiency in Swift and Objective-C
- • Deep understanding of iOS architecture, memory management, and performance optimization
- • Experience with mobile analytics, attribution, or marketing technology
- • Familiarity with RESTful APIs and data serialization formats (JSON, etc.)
- • Ability to write clean, maintainable code with comprehensive testing
🏖️ Benefits
- • Access to industry experts and long-term funding through the Applike Group
- • Opportunity to work on a client-facing product used by app and game publishers globally
- • Collaborative engineering environment with a dedicated Tech Lead and technical team
- • Exposure to cutting-edge mobile marketing and analytics technologies
Skills & Technologies
About Applike GmbH
Applike GmbH operates a mobile advertising platform that rewards users for trying new apps. Founded in Hamburg in 2016, the company runs the “Applike” Android app and the “Fitplay” reward network, connecting advertisers with millions of users worldwide. It uses behavioral data to match offers, driving installs and engagement for app developers while letting consumers earn gift cards and PayPal cash. The firm’s proprietary recommendation engine and fraud-prevention systems optimize campaign performance across gaming, fintech, e-commerce, and utility categories. Backed by investors including Cherry Ventures, Applike employs 100+ people and maintains offices in Germany and South Korea.
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