Secure Messaging App with PGP Encryption

£3000-5000 GBP

Open

Posted

3 days ago

•

Ends in 4 days

£3000-5000 GBP

Paid on delivery

We are seeking a skilled and experienced freelancer to develop a secure, user-friendly, and innovative PGP-encrypted messaging app for mobile and desktop platforms. The app should prioritize transparency, community engagement, and robust security features, catering to a broad audience seeking private communication. Key Requirements: End-to-End Encryption (E2EE) with PGP: Implement robust PGP encryption for all messages, ensuring only senders and receivers can read them. Simplified Key Management: Streamline PGP key generation, import, and management for users, with optional key server integration for easy public key sharing and lookup. Intuitive Interface: Design a user-friendly interface that balances security features with ease of use, minimizing the learning curve for PGP newcomers. Cross-Platform Compatibility: Develop apps for Android, iOS, Windows, macOS, Linux, and web platforms to cater to a broad user base. Security Enhancements: Implement automated key verification, forward secrecy, two-factor authentication, and regular security audits. Innovative Features: Develop self-destructing messages with PGP, encrypted file sharing with metadata protection, AI-powered phishing detection, and integration with other secure services. Technical Requirements: Programming Languages: Proficiency in languages such as Java, Swift, Kotlin, or React Native for mobile app development, and JavaScript, Python, or Ruby for web development. PGP Library Integration: Experience with PGP libraries such as OpenPGP, NaCl, or OpenSSL. Database Management: Knowledge of database management systems such as MySQL, PostgreSQL, or MongoDB. Cloud Services: Familiarity with cloud services like AWS, Google Cloud, or Microsoft Azure for scalability and reliability. Deliverables: Fully functional PGP-encrypted messaging app for mobile and desktop platforms. Source code for the app, including documentation and comments. Security audit reports and penetration testing results. User manual and guides for key management, security features, and troubleshooting.

Android

Mobile App Development

PHP

Linux

iPhone

Project ID: 38923630

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100 freelancers are bidding on average £4,351 GBP for this job

@augurstech

A Warm Hello! We are readily available to start working on this project! I have read your job posting and provide you messaging app that caters to users seeking secure communication by implementing PGP encryption, streamlined key management, and advanced security features. The application will be developed for mobile (Android, iOS) and desktop (Windows, macOS, Linux) platforms, with web accessibility. Lets get connected here on Chat so we will walk through whole process and Once its done will make a proper SRS document with Milestones & timeframe for each task. Regarding a project, I personally generally follow below-mentioned approach: * Requirements Documentation * Wireframing: We use UX/wireframes prototyping in Adobe XD, photoshop * Designing * Project management * Development * Testing & Quality check Thanks & Regards Ana

£5,000 GBP in 70 days

4.9

(253 reviews)

9.8

@technosystem

Being highly experienced in a variety of programming languages, including Java, Swift, Python, and Ruby, I have a solid foundation to develop your PGP-encrypted messaging app across various platforms like Android, iOS, Windows or macOS. Having closely and keenly developed and maintained web and mobile applications for over two decades now -- from simple company websites to decentralized cryptocurrency exchanges -- I understand the importance of end-to-end encryption and thoroughly comprehends the euphemistic measures involved in PGP integration. My rich expertise in database management systems like MySQL, PostgreSQL, and MongoDB can ensure secure and efficient storage of user information, while my knowledge of cloud services such as AWS and Google Cloud will help in crafting a scalable as well as robust system. Undoubtedly, your desired app's technical blueprint closely matches myriad projects on my portfolio that ranged from ICO Token Sale exchange developments to Bitcoin Core architectures. Moreover, what sets me apart is not just the diversity but also the profoundness of my skillset. From handling sensitive personal data to deploying AI-powered features for an enhanced user experience to robust verification algorithms, you can rest assured that your app will remain at the cutting edge of security throughout its lifecycle.

£5,000 GBP in 70 days

4.8

(281 reviews)

9.3

@amjadislamkhan

Hello, With over 5 years of experience in mobile and web application development, I can efficiently implement end-to-end encryption and streamline PGP key management. I have extensive knowledge of Java, Swift, and JavaScript, allowing me to develop cross-platform compatible apps. I’ve also worked with PGP libraries and cloud services to ensure scalability and security. Regards, Amjad

£4,000 GBP in 7 days

5.0

(68 reviews)

8.1

@badarmadni927

Hi, What specific features are you looking to emphasize in the app to enhance user experience? I can help develop a PGP-encrypted messaging app that prioritizes security and user-friendliness. With over 5 years of experience in app development and proficiency in languages like Java and Swift, I can implement robust end-to-end encryption and a streamlined key management system. I’ll ensure the interface is intuitive, catering to both novices and experienced users. Additionally, I’m skilled in cloud services for optimal scalability and have experience with PGP libraries to ensure strong security measures. Let’s discuss how I can bring your vision to life! Best Regards, Badar Madni

£4,000 GBP in 23 days

4.9

(95 reviews)

7.3

@imphasys

Hello, I am an experienced developer specializing in secure and user-friendly applications, and I would love to help you build your PGP-encrypted messaging app for mobile and desktop platforms. I will ensure the app is designed with a strong focus on transparency, community engagement, and the highest standards of security for private communication. Why Choose Me? Extensive Experience: Successfully delivered 100+ projects, earning excellent feedback from satisfied clients. Proven Skills: Strong expertise in managing complex requirements and transforming ideas into functional, high-quality applications. Client-Centric Approach: Check my profile to see glowing reviews from previous clients that highlight my ability to exceed expectations. By hiring me, you are guaranteed: 100% delivery of work High-quality, bug-free code Daily progress updates with no communication delays Post-development support to ensure your app runs smoothly, free of cost Waiting for your reply. I hope you respond to me. Thank you

£4,000 GBP in 30 days

4.7

(97 reviews)

7.1

@rashidamjad

Hello Lauren, I am excited about the opportunity to develop a secure PGP-encrypted messaging app that prioritizes user privacy and community engagement. With over 5 years of experience in mobile and web application development, I have the skills necessary to implement robust security features while ensuring a user-friendly interface. I specialize in cross-platform development using technologies like React Native for mobile and JavaScript for web solutions, ensuring compatibility across Android, iOS, Windows, macOS, Linux, and web platforms. Additionally, I have extensive experience with PGP libraries like OpenPGP and am proficient in cloud services, which will contribute to the app's scalability and reliability. My approach includes integrating advanced security measures such as automated key verification and two-factor authentication, alongside innovative features like self-destructing messages and AI-powered phishing detection. I am committed to delivering a fully functional app with thorough documentation and security audits. What specific innovative features do you envision for the messaging app that would enhance user engagement and security? Thanks, Rashid

£4,400 GBP in 30 days

5.0

(37 reviews)

6.5

@SourceOasisBPO

⚠️ IF YOU'RE NOT HAPPY YOU DON’T PAY ⚠️ I think we are the perfect fit for your project. Developing a secure and user-friendly PGP-encrypted messaging app is our expertise. Our focus on clean design and robust security aligns with your requirements for transparent, seamless communication. We have 60+ 5-star reviews on similar projects and rank in the top 3 % among 75 million users! With proficiency in Java, Swift, Kotlin, JavaScript, and Python, we can ensure cross-platform compatibility and seamless integration. Our experience with PGP libraries like OpenPGP and strong database management skills make us a reliable choice. Let's discuss your project - you might even walk away with a free consultation! Regards, Chris.

£3,500 GBP in 5 days

5.0

(44 reviews)

6.6

@ciss26

Hello there Hope you are doing well as you are looking for a "Build a MESSAGING APPLICATION FOR ANDROID AND IOS " so will make the same as you want , I have already develop and Design the so many Chat Application , - I will use latest technology to develop your project - I will share daily update with you - I Will deliver your project within timeline - After project completion will share complete source code - I will provide 1 year support our develop work - I have 10+ year experience in Web & App development - I will make the 100% responsive design , fast loading , SEO friendly and all - I will provide you super admin panel there you can manage the whole thing Please initiate the chat so will discuss together and all Thanks & Regards Dheeraj K.

£3,000 GBP in 25 days

4.6

(83 reviews)

7.1

@arbu1499

Hello there! I can help develop a secure and user-friendly PGP-encrypted messaging app tailored to your vision. From implementing robust encryption to intuitive key management and cross-platform compatibility, I’ll make sure the app meets your specific requirements while keeping security and usability at the forefront. I bring extensive experience in creating tech solutions that address client needs and prioritize functionality and reliability. Over the years, I’ve worked on projects requiring precision and creativity, and I’m confident in delivering something exceptional for this. Let’s chat about your project and bring it to life! Looking forward to discussing further in chat! Kind Regards, Arbaz A :)

£3,000 GBP in 7 days

4.9

(62 reviews)

6.0

@irfanui

Hey, This is Mohammad Full Stack, iOS with Swift, Xcode Developer. Your Project Title is Secure Messaging App with PGP Encryption Right? Sure You have come to the right place And I am ready to work over your project. Please visit my portfolio: https://www.freelancer.com/u/irfanui Before accepting this offer please message me in my inbox to have a discussion about this job to avoid confusions. Regards 4th Dimension Partners

£5,000 GBP in 35 days

4.6

(21 reviews)

6.1

@TechizeBuilder

Dear Lauren B., I am excited about the opportunity to collaborate on this project and am committed to ensuring your complete satisfaction with the final outcome. Our team consists of experienced professionals who specialize in PHP, Linux, Mobile App Development, iPhone, Android, and we bring years of expertise to deliver high-quality results. Let's connect and discuss the project details further. Best regards

£3,500 GBP in 7 days

4.7

(26 reviews)

5.6

@PentabayC

Hello Lauren, I am Vijay, a seasoned professional with 16 years of expertise in PHP, Android, and Mobile App Development. I have carefully reviewed your project requirements for the development of a secure messaging app with PGP encryption. With my extensive experience in Flutter, I specialize in crafting modern, responsive native apps that align with your specifications. I am a Google Flutter Certified Developer, capable of delivering high-performance, cross-platform mobile applications tailored to your needs. To achieve the desired outcome, I plan to implement robust PGP encryption for end-to-end encryption, streamline key management for user convenience, design an intuitive interface for seamless user experience, ensure cross-platform compatibility, enhance security features, and introduce innovative functionalities like self-destructing messages and encrypted file sharing. You can view my portfolio at Postmuse, Reflectly, Klasterme, Dream11, Birchfinance Ongoing, YNL Global, Flavor-express, e-frica to see my previous projects. I look forward to discussing this project further with you. Regards, Vijay

£3,500 GBP in 45 days

5.0

(6 reviews)

5.5

@yieoyo

Hello, I'm Mehrab, a Google-certified UX Specialist and IT Specialist, Meta certified Frontend Designer and Developer and currently working Senior Web Designer and Developer at SW HR Consulting LLC, with extensive experience in web, software, mobile application design and development and digital marketing. I am committed to crafting your digital success and ensuring you are 100% satisfied with the results. Pay only when you are 100% satisfied. I STRICTLY BITE ONLY WHICH I CAN CHEW!

£4,000 GBP in 10 days

5.0

(29 reviews)

5.5

@Isoropisths

Hello, Building a secure and user-friendly messaging app that prioritizes robust encryption is right up my alley. With extensive experience in mobile app development, particularly with Android, iPhone, and PHP, I have the technical knowledge required to implement end-to-end PGP encryption effectively. My adeptness with programming languages like Java, Swift, Kotlin, and React Native would enable me to develop cross-platform applications for all the operating systems you mentioned. Moreover, my proficiency in various PGP libraries such as OpenPGP, NaCl, and OpenSSL will surely come in handy when it comes to integrating them seamlessly into your app. I am also quite familiar with database management systems like MySQL, PostgreSQL, and MongoDB - crucial for creating a secure messaging system that requires efficient key generation and storage. What sets me apart is my zeal for infusing AI technologies into digital platforms - a feature that could revolutionize your messaging app further. I could implement self-destructing messages with PGP, encrypted file sharing with metadata protection as well as AI-powered phishing detection techniques - giving your users an enhanced level of security. Having worked on numerous projects requiring critical security features over the years, I understand the significance of incorporating two-factor authentication and forward secrecy algorithmically into your platform. With me onboard, you can expect Thanks!

£3,000 GBP in 25 days

4.7

(8 reviews)

5.0

@devbaloni1983

I have more than 15 years of experience in the development As I am an expert, I can build it according to your requirements. Because I have a lot of experience in these fields, I can build your project as soon as possible. I offer excellent software quality work and provide the best support for your project. If you give me this job, I will do my best to finish your job by your timeline. If you want to see my past works, I can show you my past works right now. Ready to discuss this with you about the task now. Thank you for the reading.

£3,000 GBP in 7 days

4.8

(18 reviews)

4.7

@revival786

Greetings! I'm a professional in providing high quality secure messaging app developing service. I am a top-rated freelancer with about 15 years of experience, having served about 700 satisfied clients. Please message me to check my portfolio. Thanks, Revival

£3,000 GBP in 30 days

5.0

(4 reviews)

4.3

@skalogir

As a fullstack developer meticulously trained in mobile app development, especially with Android and iOS, I can leverage my expertise to create a robust, user-friendly, and secure messaging app that fulfills all your requirements. My extensive understanding of PGP encryption libraries such as OpenPGP will ensure that all communication within the app is end-to-end encrypted and exclusive to the sender and receiver. Furthermore, my familiarity with key management, security enhancements like two-factor authentication and forward secrecy uniquely positions me to create a streamlined user experience compatible across multiple platforms like Windows, macOS, Linux, Androids and more. Finally, I have a solid command over multiple programming languages including Java, Swift, Kotlin - allowing me to execute your vision seamlessly across varied platforms. My rich experience with cloud services like AWS lends itself well to build scalable and reliable apps. Added to my dedication of providing thorough documentation and user manual/guides for easy troubleshooting signifies that I am truly the one-stop solution for your challenging project. Choose me; choose a secure future.

£3,000 GBP in 7 days