Android OS Platform Engineer (Network Stack) for a Finnish Stealth startup

Finnish stealth startup building network-level caller ID and call verification technology. Continue reading if you'd like to join and partake in the European angle of this new technology.

This is a low-level Android platform role focused on AOSP, telephony, networking, and system integration. It is not a standard Android application development position.

Required Responsibilities:

• AOSP Framework Development: Experience modifying the Android Open Source Project core layers, specifically the telephony or telecom sub-systems (such as frameworks/opt/telephony).

• Android HAL & IPC: Experience building Hardware Abstraction Layer (HAL) modules using AIDL or HIDL, and managing low-level communications via Binder IPC.

• C++ and Java/Kotlin Proficiency: Experience writing systems-level C++ alongside Java or Kotlin code, including integration via the Android NDK and JNI.

• Low-Level Network Programming: Practical experience with socket manipulation, custom protocol encapsulation, and network routing using Android ConnectivityManager (e.g., binding sockets to specific network interfaces).

• Real-Time Communication Protocols: Knowledge of data transport and security protocols, specifically WebRTC data channels, SCTP, DTLS, and SIP/SDP signaling management.

Nice to haves, no deal breakers!:

• Baseband & Embedded Systems: Familiarity with real-time operating systems (RTOS), cellular modem architecture, or writing C code for baseband processors.

• Android Application Components: Experience implementing custom phone applications using TelecomManager and InCallService APIs.

• Firmware Deployment: Knowledge of the Android build system, vendor partitions, system image compilation, and platform signing keys.

• Hybrid Application Bridges: Experience interfacing native code with web runtimes, specifically configuring secure JavaScript interfaces within Android WebView components.

Project details

• Start: ASAP

• End date: Ongoing, until further notice

• Location: Poland, remote!

• Allocation: 100%

• Contract: B2B

Career advancement:

We value your growth and operate on the B.O.T. Model (Build, Operate, Transfer). This approach allows you to develop your skills while offering the opportunity to transition directly to our partner for long-term collaboration.