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I need a top-tier engineer to build a private mobile-API sniper able to claim 2- and 3-letter Instagram usernames faster than anyone else. The solution has to run against both Android and iOS endpoints and must never touch browser automation. Here is the performance bar I expect: the service should comfortably sustain more than 1,000 requests per second while keeping end-to-end latency below 50 ms. To achieve that you may architect a multi-threaded runner, spin up geographically distributed workers, or use any other creative optimisation—so long as the target numbers are met in real-world tests. Signature encryption, device fingerprinting, and the dreaded 429 rate limits all need to be bypassed with a custom-built approach rather than off-the-shelf libraries. Once a username is secured the tool should automatically transfer it to a holding account so it stays safe until I move it. Before we move to paid milestones I will ask for a short live trial on one of my test accounts; this is purely to verify speed and success under load. Payment structure is flexible—success-based or milestone-based—so we can agree on whatever aligns best with actual performance. If you are confident you can deliver at this level, let’s talk architecture and timelines right away.
Project ID: 40371097
42 proposals
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Active 29 days ago
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42 freelancers are bidding on average $25 USD/hour for this job

Hello, I specialize in architecting highly performant, custom mobile API solutions designed for extreme speed and resilience. My expertise lies in bypassing complex anti-automation measures and achieving ultra-low latency across global infrastructure, exactly what's needed for securing valuable digital assets. I am confident in developing a robust, multi-threaded sniper capable of exceeding your 1000 RPS, 50ms latency targets for Instagram username acquisition on both Android and iOS without browser intervention. I’m Waqas from Eclairios, a professional software engineer with over 7 years of experience in app and web development. I have successfully completed 128 projects, earning a 5.0 rating from satisfied clients. I specialize in mobile apps (Android, iOS, Flutter), website development, custom APIs, and backend solutions. My goal is to deliver high-quality, scalable solutions that meet your business needs. Why hire me? ★ 100+ Projects Completed with 5-star rating. ★ 3 months of free post-launch support ★ Expertise in advanced technologies and systems Let’s connect and discuss how I can help you with your project. Best regards, Waqas
$16 USD in 40 days
8.4
8.4

Hello, I understand you need a powerful tool that quickly grabs short Instagram usernames on both Android and iOS without using browsers. My approach is to build a multi-threaded, fast-running system that sends many requests per second, while keeping delays tiny. It will tackle Instagram’s defenses like encrypted signatures and rate limits with a unique code made just for this. After getting a username, the tool will send it safely to your account automatically. We can start with a quick live test on your test account to prove it works well under pressure. I’m ready to discuss the plan and timing to meet your goals. What limits or restrictions have you noticed from Instagram that we should focus on bypassing first? Do you have preferred regions where the system should be hosted for lowest latency? What is the exact method you want the username transferred to the holding account? Will you provide test accounts and credentials for the live trial phase? Are there any security or privacy standards I should be aware of when handling login data? Best regards,
$25 USD in 36 days
7.6
7.6

Dear , We carefully studied the description of your project and we can confirm that we understand your needs and are also interested in your project. Our team has the necessary resources to start your project as soon as possible and complete it in a very short time. We are 25 years in this business and our technical specialists have strong experience in Mobile App Development, iPhone, Android, C++ Programming, Software Development, iOS Development, Backend Development, API Development and other technologies relevant to your project. Please, review our profile https://www.freelancer.com/u/tangramua where you can find detailed information about our company, our portfolio, and the client's recent reviews. Please contact us via Freelancer Chat to discuss your project in details. Best regards, Sales department Tangram Canada Inc.
$30 USD in 5 days
7.7
7.7

Hello! This is James from Hollywood. I've carefully read your project description regarding the Instagram Username Sniper Development, and I believe I can help you achieve your goals. With 15 years of experience in mobile app development and a strong background in backend API development, I’m confident in my ability to create a robust solution. To ensure we're aligned, could you please clarify the following questions to help me better understand the project? 1. What specific functionalities are you looking for in the sniper tool? 2. Are there any particular security measures you want to implement for the API? My approach would involve breaking the project into phases: first, I’d gather requirements and design the API architecture, followed by development and rigorous testing to ensure reliability. I have extensive experience with mobile apps and have built complex systems that integrate seamlessly with backend services. In the past, I’ve developed applications that include user authentication and secure API integrations, ensuring a smooth user experience. Let's connect and discuss how we can bring your vision to life! Looking forward to your response.
$25 USD in 7 days
5.3
5.3

Building a private mobile-API sniper for Instagram usernames at the scale and speed you want is a tight technical challenge but definitely doable. From past work with high-volume API scraping and real-time automation in mobile environments, I know how to handle strict rate limits, signature encryption, and device fingerprinting without triggering blocks. My approach would start by mapping Instagram’s mobile API calls precisely, then creating a multi-threaded, geo-distributed system to maintain over 1,000 req/s with sub-50 ms latency. For 429 handling, a custom token refresh and request queue will smooth burst traffic. I’ll build tailored encryption and fingerprint modules rather than rely on public libraries. Automating the username transfer right after claim is smart to secure the asset fast; I’d use authenticated API calls with retries to ensure that step is flawless. To fine-tune performance early, would it be possible to get details on current latency and error response patterns from your test accounts? Also, are you open to containerized deployment for scaling workers globally? Ready to start sketching the architecture and deliver a live demo on your test account quickly. Let’s get this running fast.
$20 USD in 7 days
5.4
5.4

✋ Hi There!!! ✋ The Goal of the project:- TO DEVELOP A HIGH PERFORMANCE MOBILE API BASED AUTOMATION SYSTEM WITH EXTREME SPEED OPTIMIZATION AND RELIABLE USERNAME CLAIMING WORKFLOW ACROSS ANDROID AND IOS ENDPOINTS I have carefully reviewed your requirement and understand you need a very high performance mobile API driven system with ultra low latency and scalable distributed processing. I am best fit for this project because I specialize in building high throughput backend systems, mobile API integrations, and performance optimized distributed architectures. 1. Development of high performance multi threaded API system optimized for very low latency request handling 2. Android and iOS compatible mobile API integration with scalable backend worker architecture 3. Secure automation workflow with proper session handling, logging, testing, and stable deployment I will provide UI design, database management, testing, and full source code delivery with clean architecture and documentation. I have 9+ years experience as a full stack developer. I have built similar high performance API systems involving distributed workers, real time request processing, and optimization focused backend services. Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
$15 USD in 40 days
5.5
5.5

As a seasoned developer with over 9+ years of experience in both Android and iOS development, I can confidently say I’m up for the challenge to build your Instagram Username Sniper. My team and I at my Web and Mobile App development company bring a wide range of skills that align perfectly with the requirements of this project. Over the years we have honed our expertise in areas like Data encryption, device fingerprinting and performance optimization - crucial elements for a mobile-API sniper of this caliber. While delivering a seamless user experience, we understand the critical importance for your service to sustain more than 1,000 requests per second while keeping end-to-end latency below 50 ms. Our creative problem-solving abilities coupled with multi-threading capabilities have proven successful in similar high-demand scenarios. Our bespoke approach guarantees to circumvent rate limits and smoothly transfer claimed usernames to a holding account, ensuring full compliance with your specifications. Beyond our technical capabilities, we are flexible on payment structures and will be more than happy to align according to your preferences. Moreover, before elevating this engagement to paid milestones, we absolutely understand your need to conduct live trials for speed and success under load & rest assured as you will not be disappointed.
$120 USD in 40 days
5.3
5.3

From project inception to delivery, I've been responsible for spearheading and executing successful projects for over a decade. With a varied skill set covering Android, API Development, Backend Development, Mobile App Development, and Software Development, I'm more than capable of transforming your vision into a concrete and high-performing reality. My track record shows that I can deliver solutions that are scalable, secure, and robust - qualities that are crucial for the sensitive nature of this project. Finally, I understand the importance of trust in any project-based relationship. To affirm my skills before jumping directly into substantial commitments, I’m willing to undergo a short live trial on one of your test accounts. Let's harness my knowledge to exceed your benchmarks efficiently and effectively while remaining aligned with the agreed-upon payment structure. By doing so, we can ensure both satisfaction with end results as well as value for money. Let's hammer out the architecture sketches together—and then turn them into an exceptional finished product!
$15 USD in 40 days
4.8
4.8

Hello Proposal: Leveraging top-tier engineering, I specialize in building robust, private backend systems for demanding tasks. I will develop your custom Instagram username sniper, ensuring high-performance real-time monitoring and secure mobile tool integration. My expertise in API interaction and discreet solutions guarantees a powerful, private "mobi" tailored precisely to your specifications. Let's discuss a secure build. Giáp Văn Hưng
$25 USD in 7 days
4.0
4.0

Hello, I am interested in your project, Instagram Username Sniper Development. I've successfully completed projects involving Mobile App Development, iPhone, Android before. Happy to discuss the details whenever works for you.
$15 USD in 7 days
4.0
4.0

I can design and build a high-performance, private Instagram mobile-API sniper specifically optimized for claiming rare 2- and 3-letter usernames. My focus will be on low-latency execution, reliability under real-world conditions, and minimizing detection risk. I’ve previously engineered API-driven automations and high-frequency claim/check systems that rely on precise timing, robust error handling, and smart proxy rotation. That experience translates directly into building a stable, resilient sniper tailored to Instagram’s behavior and rate limits. My approach would be to architect a lightweight core in a performant language, integrate secure session handling, implement adaptive retry logic, and add clear logging so you can track attempts and success rates without exposing the tool publicly. I would love to chat more about your project! Regards
$20 USD in 7 days
4.2
4.2

At Paper Perfect, we understand that your Instagram username sniper project requires an exceptional level of skill and innovation to surpass your performance expectations. As a team, my colleagues and I have extensive experience across various stacks including Android, iOS, back-end development, and API development. We've worked on numerous projects that demanded high throughput and low latency, attaining remarkable results each time. What sets us apart from other developers is our commitment to tailor-made solutions. We don't rely on off-the-shelf libraries or templates; rather, we create unique and innovative approaches to tackle sophisticated challenges like signature encryption, device fingerprinting, and rate limits. This demonstrates our ability to deliver customized results that meet your exact needs. Moreover, our comprehensive grasp of mobile app development using modern frameworks like Flutter and React Native provides an added advantage for seamlessly integrating with your vision. Let us assure you that not only will we meet your end-to-end latency targets while sustaining more than 1,000 requests per second but we will also complete a successful live trial on your test account before moving to payment milestones. Choose Paper Perfect for a truly top-tier solution!
$20 USD in 40 days
3.4
3.4

I'm bidding above your range because this isn't standard API work. Let me explain why. Instagram's mobile API uses rotating signature keys and encrypted request signing that changes with every app update (roughly every 2-3 weeks). Building the sniper is the easy part. Keeping it alive is where the real cost sits. Every time Instagram pushes an update, the signature generation breaks and needs reverse engineering again. At $25/hr you'll find someone who builds it, it works for a week, then they vanish when it breaks. What I'd build: - Multi-threaded sniper hitting both Android and iOS mobile API endpoints - Custom signature encryption and device fingerprint rotation (no off-the-shelf libraries) - Residential proxy pool with geo-distribution to stay under rate limits - Username availability detection + instant claim + transfer to holding account - Targeting 1,000+ req/s with sub-50ms latency via distributed workers What you need to know upfront: - Initial build: ~40-60 hours - Instagram app updates will break the signature layer every 2-4 weeks - Each fix is typically 3-8 hours of RE work - Proxy infrastructure is a separate running cost ($50-150/mo for residential) - This is not a build-once tool. It's a living system that needs regular maintenance I built a similar high-speed booking bot (Amazon hiring portal) that polls and claims slots in real-time with captcha bypass and 2FA handling. Same pattern: API detection, fast action, anti-bot evasion. If the ongoing maintenance cost works for you, let's talk architecture.
$60 USD in 21 days
3.0
3.0

Hi there, I’ve read your requirements closely and I won’t assist with building tools that bypass platform protections, defeat signature/device checks, or automate account takeovers. Helping to develop systems intended to claim usernames by evading rate limits or security measures is unsafe and violates platform policies. If you’d like a lawful, high-performance solution I can build: a private, compliant username-monitoring and notification system that polls public endpoints within terms, uses distributed workers, is optimized in C++/Go for low-latency checks, handles backoff gracefully, and automates transfer workflows only when explicit, authorized handoffs are available. I’ll provide architecture, load testing, and a short live trial on accounts you legally control. If that aligns, I can draft an architecture and timeline within a week. Do you have explicit ownership or written authorization for the test accounts and usernames we’d be monitoring, and do you prefer a poll-based design or webhook/streaming approach for near-real-time alerts? Sincerely, Cindy Viorina
$15 USD in 19 days
2.7
2.7

Hi, I see you're looking for a robust mobile-API sniper to quickly claim rare Instagram usernames. Your need for performance, with over 1,000 requests per second and latency under 50 ms, is clear. I would approach this by designing a multi-threaded architecture that leverages geographically distributed workers, ensuring high efficiency and low response times. My background in mobile app and backend development, combined with a solid understanding of API mechanics, equips me to tackle challenges like signature encryption and rate limits. I prioritize creating clean, scalable solutions that adapt to evolving requirements. While I can't share specific examples, I have successfully worked on projects requiring high-performance backends and user-focused applications. I believe effective communication is key, and I'll keep you updated throughout the process. Looking forward to discussing how we can bring this project to life. Best regards, Novalitz Tech
$15 USD in 3 days
2.3
2.3

How do you do? Thank you for the detailed brief. I can’t help build or advise on a tool for Instagram username sniping, bypassing mobile API protections, evading rate limits, defeating signature encryption or device fingerprinting, or automatically transferring claimed usernames between accounts. That would cross into unauthorized access and platform-abuse tooling. What I *can* help with is a compliant alternative for high-speed, legitimate handle monitoring and brand protection, such as: * a system that tracks publicly observable username availability changes * alerts your team the moment a target handle appears to become available * queueing and workflow tools for rapid manual action by your operators * analytics around handle status history and priority ranking * account-safety tooling for your own managed accounts I can also build a legitimate social-handle management platform with mobile notifications, monitoring dashboards, and secure internal workflows that improve your response time without violating platform rules. Sihalath S
$20 USD in 40 days
2.3
2.3

Hi there, I checked your project "Instagram Username Sniper Development" — and I already have a clear idea how to deliver this efficiently. I have solid experience in Mobile App Development, iPhone, Android, C++ Programming, Software Development, iOS Development, Backend Development, API Development, and I’ve worked on similar projects where I delivered high-quality, scalable, and clean solutions. Why choose me? • Strong expertise in Mobile App Development, iPhone, Android, C++ Programming, Software Development, iOS Development, Backend Development, API Development • Clean, optimized, and scalable code • Fast communication and daily updates • 100% focus on delivering results, not just code If needed, I can also suggest improvements to make your project even better. Let’s connect — I’m ready to start right away. Best regards, Umer
$15 USD in 1 day
1.8
1.8

Hello, As a battle-tested engineer, I'm confident in my ability to develop the high-performance, robust solution you need for sniping 2- and 3-letter Instagram usernames at scale. My decades-long track record of building secure and scalable applications for clients across various domains is a testament to my ability to solve complex problems elegantly. Frontend Excellence: I am highly proficient in front-end technologies like ReactJS and AngularJS, which are crucial for the responsive, user-friendly experiences required by your API sniper tool. This will ensure that its interface is not just powerful but also intuitive and enjoyable to use. Backend & API Expertise: Building on powerful server-side frameworks like .NET (API, MVC), C#, Node.js, Python (Flask/Django), PHP (Laravel), and Java (Spring Boot), I will implement a custom solution that bypasses signature encryption, device fingerprinting, 429 rate limits among other constraints you've mentioned. I have designed RESTful APIs and built microservices optimized for high-performance and security. Database & DevOps: Your project demands real-time efficiency, both in processing requests and transferring secured usernames, and that's where my experience with Docker and Kubernetes and deploying to AWS or Azure will come in handy. As an architect, not just a coder, I'd optimize reliability, performance, and scale. Client-Focused Partnership: Moreover, I believe open communication is Thanks!
$50 USD in 18 days
0.0
0.0

Hello, As an accomplished Full Stack and AI Chatbot Developer with a focus on SaaS solutions, I believe I have the expertise, understanding of complex systems and technical dexterity to deliver exactly what you need for this project. While I haven't built an app specifically focused on sniping 2- and 3-letter Instagram usernames, my recent projects demonstrate my ability to create high-performance systems under demanding circumstances. For example, my work in building AI fitness coaching app with live-time feedback and progress tracking relied on systems capable of handling multiple asynchronous requests speedily. In terms of technology, I bring expertise in a variety of domains that align well with your needs - including Generative AI Development and development's Mobile (Android/iOS) areas. I am highly adaptable, meaning I can develop sophisticated applications using languages such as Kotlin, Swift, or React Native if required. Additionally, part of my work involved integrating with diverse APIs like Twilio and RingCentral which helps me understand how to navigate 429 rate limits effectively. Perhaps most importantly, my approach centers around getting a comprehensive grasp of the needs at hand so that the result is not just technically sound but also in alignment strategicth call security and compliance measures would be crucial ideasentes with the business objectives. I've had success in working with startups to large enterpris Thanks!
$50 USD in 24 days
0.0
0.0

Hello, Given my extensive experience in mobile app development, I am confident that I can engineer a top-class solution for your Instagram Username Sniper development project. My proficiency in full-stack development with languages like Python, Node.js, JavaScript and SQL enables me to craft robust backend systems and APIs for reliable and scalable mobile applications. This makes me perfect for tackling the Android and iOS endpoints you are targeting. One of my recent accomplishments was streamlining a business's lead processing using workflow automation tools like n8n, Zapier, Airtable, HubSpot, Zoho CRM, and GoHighLevel. This reduced manual data handling and saved the team hundreds of hours. For your project, I will apply the same principle - automating routine tasks to deliver efficiency and precision. Moreover, my track record in integrating AI-powered features into SaaS platforms would be valuable for this project's need to bypass rate limits using custom-built approaches rather than off-the-shelf libraries. I assure you that my focus is not only on delivering functional software but also emphasises stability, scalability, and simplifying operations - just what you need for this landmark project. Let's discuss architecture and timelines - I am excited to bring this innovative solution to life. Thanks!
$50 USD in 19 days
0.0
0.0

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