Founding Mobile Developer - SentiLink

About SentiLink

SentiLink stops more than 150,000 fraud attempts and verifies over 3 million identities daily. We are a well-capitalized, fast-growing fintech company backed by top-tier investors including Andreessen Horowitz and Craft Ventures. We are a digital-first organization with a strong collaborative culture across the U.S. and India.

The Role

As a Founding Mobile Developer, you will own the technical approach and implementation of mobile SDKs. You will work within the NOVA squad to bring mobile device intelligence into our products, helping us deepen our understanding of the mobile landscape. This is a high-impact role requiring deep systems-level expertise and the ability to navigate ambiguous technical challenges.

Responsibilities

• Own the design and implementation of SentiLink’s mobile SDKs across native iOS and Android.
• Develop a deep technical understanding of device behavior, signals, and system-level functionality.
• Evaluate technical approaches balancing reliability, performance, and maintainability.
• Partner with Product, Engineering, and Data Science to deliver mobile capabilities and fraud detection signals.
• Investigate ambiguous engineering problems independently using rigorous analysis.
• Contribute to long-term technical direction for mobile products.

Requirements

• 5+ years of professional software engineering experience.
• Extensive experience developing for both native iOS and native Android.
• Deep systems-level understanding (networking, device APIs, OS internals).
• Proven ability to build complex mobile software beyond UI development.
• Strong autonomy and ability to solve ambiguous technical problems.
• Experience building mobile SDKs or reusable infrastructure is preferred.
• Experience partnering with data scientists for ML models is preferred.

Perks & Benefits

• Competitive salary + equity.
• Employer-paid group health insurance for you and your dependents.
• 401(k) plan with employer match.
• Flexible paid time off.
• Home office stipend.
• Regular company-wide in-person events.