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Update Android E-Signature System

Freelancer

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placeUS home_workリモート assignment契約社員 public集約求人 · US

event2026年8月28日に公開 · verified2026年8月31日時点で募集中であることを確認済みです

US$ 30 – US$ 250 /案件

求人について

**Update Agreement in Private Android E-Signature Sending App – Firebase/SendGrid** I have an existing private Android application that I use to send electronic agreements to customers. Only I use the Android application. Customers do not download or install the app. I use the app to send the agreement to a customer by email. The customer opens the agreement from the email, completes and electronically signs it, and the completed signed agreement is automatically returned to my designated email address as a PDF. The application currently functions properly and appears to use Firebase and SendGrid. I need an experienced Android/Firebase developer to update the agreement wording used by the existing system while preserving the complete working process. The developer will need to: * Inspect the existing Android APK and current system. * Determine whether the agreement wording is stored in the Android app, Firebase, backend code, or another template. * Replace the current agreement wording with the revised agreement that I will provide. * Preserve the private Android app that I use to send agreements. * Preserve the customer’s ability to open, complete, and electronically sign the agreement without installing an application. * Preserve generation of the completed signed PDF. * Preserve automatic delivery of the signed PDF to my designated email address. * Preserve the existing Firebase and SendGrid workflow. * Rebuild the private Android APK if necessary. * Test the complete process from sending the customer email through receiving the completed signed PDF. * Make a complete backup before changing anything. * Avoid changing any unrelated part of the functioning system. Important security and delivery requirements: * Do not add tracking, analytics, advertising, background services, or unnecessary Android permissions. * Do not change Firebase security rules, SendGrid settings, API keys, or unrelated services without prior approval. * Explain exactly what access is required before access is granted. * Provide the complete updated source code and final APK. * Provide a written list of all files and functions changed. * The updated Android application must not request access to contacts, SMS, phone calls, microphone, camera, location, photos, or unrelated device files. * Testing must use sample information rather than actual customer information. The original developer is no longer available. I currently have the working Android APK and examples of completed signed agreements.

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