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# Founding Mobile Developer

- **Company:** Sentilink Corp.
- **Location:** Chicago, IL, United States (Remote available)
- **Experience:** Expert
- **Salary:** $210,000 - $240,000
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), IOS Applications, Apple IOS, Application Layers, Fraud Prevention and Detection, Design of User Interfaces, Mobile Application Software, Machine Learning, Software Engineering
- **Published:** November 8, 2026
- **Apply:** https://www.juju.com/job/28_25303_3b94eda1e6c7ffa0d92fae9dd0f4153a

## About the Role

* 5+ years of professional software engineering experience, with extensive experience developing for both native iOS and native Android.
 * Deep systems-level understanding of both iOS and Android, including areas such as networking, device APIs, operating system behavior, and platform internals.
 * Demonstrated ability to build technically complex mobile software with an emphasis on systems-level engineering rather than primarily user interface development.
 * Strong ability to independently explore and solve ambiguous technical problems with a high degree of ownership and autonomy.
 * Excellent analytical, problem-solving, communication, and interpersonal skills.
 * Deep understanding of device fingerprinting approaches and mechanisms preferred.
 * Experience partnering with data scientists to provide signals or capabilities used in machine learning models preferred.

## Description

The Engineering team builds the systems and products that power SentiLink's fraud detection capabilities. For this role, you'll work closely with the NOVA squad across Product, Engineering, Data Science, Fraud Intelligence, and Sales to bring mobile device intelligence into SentiLink's products and deepen our understanding of the mobile device landscape., We're looking for a Founding Mobile Developer with deep systems-level expertise across both iOS and Android. You will own the technical approach and implementation of mobile SDKs for device fingerprinting, starting with bringing mobile device fingerprinting in-house for NOVA. Success in this role means independently navigating ambiguous technical problems, understanding how mobile platforms behave below the application layer, and building reliable mobile capabilities that strengthen our fraud detection models. Over time, your work may also help enable a mobile-optimized experience for SentiLink's dashboard., * Own the design and implementation of SentiLink's mobile SDKs for device fingerprinting across native iOS and Android.

 * Develop a deep technical understanding of device behavior and the signals available across both mobile platforms, including networking and other system-level capabilities.
 * Evaluate approaches to mobile device fingerprinting and make technical decisions that balance signal quality, platform constraints, and maintainability.
 * Partner with Product and Engineering to define and deliver mobile capabilities for NOVA.
 * Collaborate with Data Science to make mobile device signals available for fraud detection models and support effective use of those signals.
 * Investigate ambiguous mobile engineering problems independently, using rigorous analysis and experimentation to determine the right technical approach.
 * Contribute mobile expertise and technical direction as SentiLink evaluates longer-term opportunities for mobile experiences.