Long-Term Android APK Security Engineer

@sajjadtaghvaeifr

Hello, I trust you're doing well. I am well experienced in machine learning algorithms, with nearly a decade of hands-on practice. My expertise lies in developing various artificial intelligence algorithms, including the one you require, using Matlab, Python, and similar tools. I hold a doctorate from Tohoku University and have a number of publications in the same subject. My portfolio, which showcases my past work, is available for your review. Your project piqued my interest, and I would be delighted to be part of it. Let's connect to discuss in detail. Warm regards. please check my portfolio link: https://www.freelancer.com/u/sajjadtaghvaeifr

@irfanui

Hi, I reviewed your project: Long-Term Android APK Security Engineer. I can help with Python automation, backend APIs, web scraping/data extraction, scripts, dashboards, integrations, and data processing workflows. I can build reliable scripts using Python, FastAPI/Django/Flask, Selenium/Playwright where appropriate, APIs, databases, and server deployment. Please message me with the target website/API, expected output, and automation rules. Portfolio: https://www.freelancer.com/u/irfanui Regards, Mohammad 4th Dimension Partners

@vishal1145

Your APK protection pipeline will fail if the encryption layer does not account for Android's signature verification order — encrypted DEX files trigger install-time crashes unless you rebuild the outer wrapper with proper v2/v3 signing sequences. Quick questions - are you handling native library encryption separately from DEX encryption to avoid JNI load failures? And what is your current approach to AXML manifest modification without breaking the binary structure? Here is the architectural approach: - CRYPTOGRAPHY: Build AES-GCM + RSA hybrid encryption that processes DEX bytecode and native .so libraries independently, preserving ELF headers and JNI symbol tables to prevent runtime crashes. - BINARY ANALYSIS: Parse and rewrite AXML manifests programmatically in Python without decompiling, maintaining chunk alignment and string pool offsets so zipalign does not corrupt the APK. - AUTOMATION: Create Python pipelines that orchestrate apktool, AAPT, and apksigner in sequence, with Git-tracked rollback points for each encryption stage to isolate failures during testing. I have built similar APK protection systems for 2 mobile security firms that process 500+ apps monthly without breaking signature schemes. Let's schedule a technical call to review your current encryption workflow and identify integration points before we formalize the contract.

@TeraByte26

I will deliver Android APK security solutions. I commit to working within the $380-$420 monthly budget. Can I start with a sample project, do you have any specific task in mind, AXML processing for instance? Waiting for your response in chat! Best Regards.

@heenafullstacken

I can turn the requirements of Long-Term Android APK Security Engineer into a reliable Python solution—not a fragile one-time script. My work covers automation, scraping, data extraction, processing, backend APIs, and scheduled workflows using FastAPI, Django, Flask, Selenium, or Playwright. Please share the target website/API, sample output, approximate volume, and automation rules so I can confirm feasibility and the cleanest approach. Portfolio: https://www.freelancer.in/u/heenafullstacken Heena A Plus IT House

@ashinnd84

Hi there, we are a team of Full Stack Web and Mobile App developers and we can do this project in no time. Thanks Ashish Kumar.

@FreeLancers360

Hello, I just finished reading your brief for "Long-Term Android APK Security Engineer", and I'm genuinely excited about the chance to work on it. What stood out to me is how clearly you’ve described what you want — and clarity like that is where we deliver our very best work. From your brief I can see this involves android, mobile app, kotlin — all areas we handle in-house. We specialise in Java, Python, Android, Cryptography, which lines up directly with what you need. How we'd approach it: - Finalise the screens, user flows and feature list with you - Build smooth, native-feeling UI with clean, maintainable code - QA on real devices, then prepare and ship to the store(s) - Post-launch support and iteration once you’re live I also noted you don’t need proper authorization — that’s clear, and I’ll keep the work clean and strictly on-brief. Delivering at the scale of 420 usd is no problem for us — we're set up for volume without dropping quality. I’ll fold in your feedback fast and keep refining until the result feels exactly right to you. Send over any references you have and I’ll come back with a clear plan and milestones. Best regards, FreeLancers360 Let’s connect in chat and get started — message me anytime and I’ll reply right away!

@alluankit01

Hi, I can support your long-term Android APK protection and secure APK processing work within the $380–$420 monthly budget, limited strictly to applications you own or are authorized to analyze and protect. The best solution is to first review your existing APK workflow, encryption approach, signing process, Python tools, and required protection pipeline. I’ll then help improve automated APK processing, AXML/Manifest handling, DEX analysis support, secure packaging, signing, integrity checks, and repeatable build scripts. I’m comfortable with Android internals, APK structure, Python automation, Java/Kotlin, cryptography, AES/RSA workflows, apktool, zipalign, apksigner, DEX/Smali analysis, AXML parsing, JNI basics, Linux/Bash, Git, and authorized security research. Relevant work can include: * APK processing automation * Manifest/AXML parsing * Encryption/decryption workflow support * Secure packaging pipeline * DEX/Smali compatibility review * APK signing and verification * Native library/JNI handling * Build/debug scripts * Git-based maintenance * Clear documentation I’m available for ongoing remote work and can start immediately after reviewing the project structure. I’ll focus on clean, authorized, maintainable tooling that improves protection and processing reliability without violating platform rules or third-party rights. Best regards Ankit

@Abror86

Hi — Abror-Yakubov here from Uzbekistan, "ANDROID APK SECURITY WORKFLOW" — you need reliable protection and processing for authorized Android files. I would approach this with clear Python automation pipelines, secure APK handling, signing checks and careful validation of each processing step. AXML, APK structure, encryption flows and error handling are areas I would keep organized so the workflow stays maintainable. The main challenge is balancing protection with application stability. I would make changes only within authorized environments and verify packaging, compatibility and integrity after each stage. Which part should be the first priority: APK processing automation, encryption workflow, or application protection features? Looking forward to working with you.

@MdRaihanAli6210

Hello, I’m Mohammad Raihan Ali, with 7 years of experience in Android development, APK processing, Python automation, cryptography, and application security. I have practical knowledge of APK structures, DEX, AXML, Smali, AES/RSA encryption, APK signing, JNI, ELF, and ARM/ARM64 libraries. I can develop secure and repeatable APK protection workflows, troubleshoot packaging and signing issues, and maintain clean, well-documented code through Git. I understand that all work must be performed only on applications and files owned or authorized by the client. I am available to start immediately and can provide consistent weekly hours. The proposed monthly budget of $380–$420 is acceptable. Relevant technical samples or previous work can be shared for review. Best regards,Mohammad Raihan Ali

@mukeshcodyy

AXML Building secure Android applications requires more than encryption—it requires robust automation, scalable processing pipelines, and a security-first engineering approach. My expertise lies in Python automation, cloud engineering, secure application development, cryptographic implementations, and workflow automation. I have designed secure processing pipelines, implemented encryption-based solutions, and built automation frameworks that emphasize reliability, scalability, and maintainability. My recent work has been focused on developing secure Azure-based solutions, automation tools, and enterprise-grade backend systems. I can contribute by: Developing Python-based automation and processing pipelines Implementing AES/RSA-based cryptographic workflows Building secure file processing and packaging utilities Creating reliable CLI tools and Linux automation scripts Maintaining existing codebases and improving processing performance Collaborating with Android security engineers on scalable tooling I have experience working with Git, Linux environments, REST APIs, and enterprise software engineering practices, allowing me to integrate quickly into long-term development projects. If my background aligns with the automation and security engineering aspects of your project, I'd be happy to fpr a discuss the existing architecture, roadmap, and how I can contribute effectively to your team. I look forward to speaking with you.

@hlomlan

Navigating Android APK security and protection is critical in today’s landscape, and I see the importance of developing robust and reliable workflows for authorized applications. To address your needs, I would design custom encryption pipelines and secure APK processing workflows tailored to your specifications. My expertise in DEX file structures and binary XML parsing aligns perfectly with your requirements, ensuring efficient handling of APK internals and seamless integration with existing systems. I prioritize clear communication and reliability, ensuring high-quality results delivered on time. I offer a free consultation to discuss your project in detail, explore ideas, and answer any questions you may have. What are your specific goals for this project, and how do you envision the collaboration moving forward?