Android Developer with Telephony and Messaging Skills

Posted last month

Only freelancers located in the U.S. may apply.U.S. located freelancers only

Summary

Skills: Android developer must have ALL of the following: Core Android Skills • Kotlin (primary) or Java • Android Studio mastery • Understanding of Android app architecture (MVVM, Jetpack) Telephony & Messaging Skills (Critical) This is where most developers fail — you need someone who has done this before: • CallScreeningService (for call blocking + call filtering) • TelecomManager • Default SMS App implementation • SMS Broadcast Receivers • SMS Content Provider access • Call Log permissions + management • Background services + foreground services • Doze mode + battery optimization handling Data & Storage • Room database • Encrypted storage • Efficient log retention + auto delete logic Monetization • Google Play Billing Library v6 • Subscriptions + free trials • Server side receipt validation (optional) Security • Permissions model (Android 13–15) • Scoped storage • Anti tampering basics

$6,000.00
Fixed-price
Intermediate
Experience Level
Remote Job
Ongoing project
Project Type

Skills and Expertise

Mandatory skills

Android App Development

Activity on this job

Proposals:5 to 10
Last viewed by client:4 days ago
Interviewing:
6
Invites sent:
30
Unanswered invites:
9

About the client

Member since May 19, 2026

USA
Kansas City6:30 AM
$25 total spent
1 hire, 0 active
Engineering & Architecture
Small company (2-9 people)

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