SDK & API Engineer for Next-Gen OS Ecosystem

Winixx Inc.; Dallas (TX); Hybrid; USD 110,000 - 150,000; Full time

Benefits offered by this job

Performance bonus program

Visa sponsorship available

Paid time off and company holidays

Equity participation

Job summary

Winixx Inc. is developing WinixxOS, an AOSP-based OS powering a range of devices. The API & Integration Engineer will build and maintain SDK APIs, ensure cross-device compatibility, and document APIs for third-party developers.

The role emphasizes involvement in foundational platform decisions, collaboration with a mission-driven team, and opportunities to influence a new hardware ecosystem from ground up.

Qualifications

• 3+ years of API/SDK engineering experience, ideally with Android/AOSP exposure.
• Familiarity with hardware-adjacent API design (sensors, payment hardware, input devices) is a plus.
• Strong understanding of REST/RPC or platform-native API design patterns.
• Solid documentation skills.
• Bachelor's degree in Computer Science or equivalent experience.

Responsibilities

• Implement and test core SDK APIs and device-class extensions
• Support integration testing across the SDK, simulator, and Winixx Studio
• Help maintain AOSP API compatibility across the custom fork
• Write and maintain SDK documentation and sample code
• Triage and resolve SDK-related bugs surfaced by internal teams and early developer partners
• Support hardware-specific API integration (e.g. POS payment hardware, console input hardware)

Skills

API/SDK engineering

Android/AOSP exposure

REST/RPC design

Documentation

Education

Bachelor's degree in Computer Science or equivalent

Job description

Winixx Inc. is developing WinixxOS, an AOSP-based OS powering a range of devices. The API & Integration Engineer will build and maintain SDK APIs, ensure cross-device compatibility, and document APIs for third-party developers.

The role emphasizes involvement in foundational platform decisions, collaboration with a mission-driven team, and opportunities to influence a new hardware ecosystem from ground up.