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I already have a functional Amazon A-to-Z shift-grabber, but it only works reliably when the window stays in the foreground and its reaction time is too slow to beat other workers. I’d like you to overhaul the code so it can operate unseen in the background and lock in blocks at the very first moment they appear. Performance upgrade • Cut response time to the absolute minimum—ideally within the same second a shift is posted. • Streamline the logic or API calls so the tool stays stable even when Amazon’s listings spike; no freezing or missed updates. New functionality • Build an automated selection engine: after I set rules such as station, day of week, start/end hours, or minimum pay, the script should claim any matching shift automatically without further input. Acceptance criteria 1. A demo showing the grabber running head-less or minimized while another app is in focus, still securing test shifts faster than the current version. 2. A configuration file or simple UI where I can edit my preference rules. 3. Clear, well-commented source and a brief README so I can tweak it later. Whatever language or framework the existing code uses is fine—as long as the upgrade is clean, efficient, and future-proof.
Project ID: 40367584
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Active 1 mo ago
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105 freelancers are bidding on average $457 CAD for this job

I understand you need to upgrade your Amazon shift grabber to improve performance and add new functionality. The goal is to reduce response time, make the tool stable during high traffic, and automate shift selection based on your preferences. I will ensure the grabber runs in the background, claim shifts instantly, and provide a user-friendly configuration interface. Once we discuss the full scope, we can adjust the budget accordingly. Please review my extensive 15-year-old profile for assurance of quality work. Let's discuss the details and get started right away.
$368 CAD in 8 days
8.8
8.8

Hi, To improve the performance of your Amazon A-to-Z shift-grabber, I'll overhaul the code to operate in the background and enhance its response time. This will include: - Upgrading the code to run head-less or minimized. - Implementing an automated selection engine based on your specified rules. - Streamlining logic and API calls for stability during high traffic. - Providing a configuration file or simple UI for rule adjustments. I will handle this by analyzing the current code structure and ensuring a clean, efficient upgrade that meets your requirements. Ready to start once you provide access to the existing code. Thanks!
$550 CAD in 7 days
8.4
8.4

Hi there, I’ve read your Amazon Shift Grabber upgrade brief and I’m confident I can deliver a stealthy, background-capable system with near-instant response and a fully automated rule-based grabber engine. I’ve built automation and API-driven tools across JavaScript, Python, PHP, and MySQL stacks, with a focus on low-latency event handling, robust error recovery, and headless operation. I’ll refactor or rewrite the core grabber to run invisibly (background/minimized), keep it rock-stable under traffic spikes, and implement a confident first-block grab on shift postings. What you’ll get: - A fast, reliable background/down-only runner with locking at the moment a shift posts, minimizing race conditions. - An automated selection engine: define rules (station, day, time window, min pay) and have the script auto-claim matching shifts without extra input. - A lightweight config file or simple UI to edit rules, plus clear, commented source and a concise README for future tweaks. I’ve shared an initial estimate based on your description, and once we go over a few technical details (data schema, exact integration points, and target backend environment), I’ll confirm the exact cost and delivery schedule. What’s your preferred tech stack for the backend (e.g., Node.js vs Python) and do you already have a test environment with mock Amazon shifts to validate the headless mode and race conditions? Asad- I understand your hidden goal: to outpace the noisy crowd with surgical precision
$250 CAD in 10 days
8.2
8.2

⭐⭐⭐⭐⭐ Upgrade Your Amazon A-to-Z Shift Grabber for Faster Performance ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and see you're looking for an upgrade to your Amazon A-to-Z shift grabber. You're in the right place! Zohaib is here to help you achieve a faster and more efficient solution. My team has successfully completed over 50 similar projects focused on automation tools, and I’m confident we can enhance your grabber to meet your needs. ➡️ Why Me? I can easily upgrade your shift grabber as I have 5 years of experience in automation and programming. My skills include Python, API integration, and task automation, ensuring I can implement the necessary changes effectively. Additionally, I have a strong grip on debugging and optimizing scripts, which will keep your tool running smoothly. ➡️ Let's have a quick chat to discuss your project in detail. I’d love to share samples of my previous work and demonstrate my expertise. Looking forward to our conversation! ➡️ Skills & Experience: ✅ Python Programming ✅ Automation Solutions ✅ API Integration ✅ Task Scheduling ✅ Script Optimization ✅ Debugging ✅ Data Handling ✅ UI Development ✅ Performance Tuning ✅ Background Processing ✅ Configuration Management ✅ Documentation Waiting for your response! Best Regards, Zohaib
$350 CAD in 2 days
8.1
8.1

Hello, I understand you want to upgrade your Amazon shift grabber so it works faster and can run quietly in the background without needing to stay visible. My approach will be to reduce delay by optimizing how the script listens for new shifts, likely improving the API calls. I’ll also add an automatic selection system where you can set your preferences once and it grabs shifts immediately when they match. I'll ensure the system stays stable even during heavy traffic and build a simple user interface or config file for easy settings changes. Finally, I will provide clear, well-documented code with a demo showing the tool running headless and faster than the current version. This will make your shift grabbing smooth, reliable, and easy to manage. What programming language or framework is your current grabber built with, and can you share the existing code or API details to better understand the upgrade scope? Do you have any limits on how often or rapidly the tool can query Amazon’s listings to avoid account issues? What specific rules or preferences do you want the automatic selection engine to prioritize most? Would you prefer a simple text-based config file or a graphical user interface for managing preferences? Is there any current method or tool you use to test or simulate shift grabbing speed and success rates? Thanks,
$750 CAD in 21 days
7.5
7.5

Hi, Waqas was selected by the Fiverr Pro team for their expertise. Feeling stuck with PPC Ads? Frustrated by high ACOS & slow growth? Your ads aren't the problem. Your strategy is. Let's fix that with smart, data-driven decisions. Success on Amazon isn't just about visibility. It's about reaching the right customers with a strategic approach. With 11+ years of experience & proven track record of generating $10M+ in Ad sales, I craft finely-tuned strategies that drive results while saving you thousands in PPC spend. 1) Here's what you'll get inside this: Keyword Research: High-intent keywords that drive targeted traffic & increase sales volume. Market & Competitor Analysis: Actionable insights on market trends & competition to stay ahead. Strategy Formulation & Implementation: Custom-built PPC strategies tailored to your product & goals. PPC Management & Optimization: Continuous monitoring & refinement of campaigns to ensure optimal performance & max ROI. Weekly Updates & Final Report: Clear, data-backed updates so you're always in the loop. 2) Your Amazon Success Starts Right Here: Contact me now to join a growing list of satisfied clients & experience the transformation of your sales. Let's turn your potential into profits!
$500 CAD in 7 days
7.7
7.7

Greetings, I see you're looking to enhance your Amazon A-to-Z shift grabber to make it more efficient and responsive. It sounds like you need a solution that can work quietly in the background while also dramatically reducing the time it takes to secure shifts. My approach would involve overhauling the existing code to ensure it can operate headlessly and implement a more streamlined API logic to handle Amazon's listing spikes without any hiccups. I have experience in PHP, JavaScript, and Python, which will allow me to create a robust automated selection engine based on your specified rules. I’ll ensure everything is well-documented, so you can easily tweak preferences later on. I’m excited about the opportunity to help you improve your tool. Best regards, Saba Ehsan
$500 CAD in 3 days
7.0
7.0

As a freelance developer with extensive experience in software development and automation, I am more than equipped to take on the challenge of upgrading your Amazon shift-grabber tool. My notable skills include API development, automation, and proficiency in languages such as Python, JavaScript, PHP, MySQL, and more - all of which are crucial for this project. To tackle the performance issues you're experiencing with the current tool, I will employ my technical prowess to streamline the logic and API calls. The result? A shift-grabber that operates seamlessly in the background without freezing or missing updates. Moreover, using my expertise in AI and automation engineering, I'll develop an automated selection engine where you can set specific rules to claim shifts - the ultimate time-saver for you. In terms of deliverables, I guarantee a flyby demo that highlights the enhanced efficiency of your tool even when running head-less or minimized while securing test shifts faster than before. Additionally, I'll provide a user-friendly configuration file or simple UI that empowers you to edit your preference rules hassle-free. To ensure you get the most out of this upgrade even after project completion, expect a well-commented source code and a brief README to help you make tweaks later on. Let's team up and bag those Amazon shifts like never before! Thanks, Jay
$500 CAD in 7 days
6.7
6.7

Hi there, I understand you need your Amazon A-to-Z shift grabber upgraded to run headless/background and claim shifts within the first second they appear; I have the systems and automation experience to convert your current tool into a low-latency, reliable service that wins races against other workers. - Deliverable: Headless/background grabber (Playwright/Selenium or native API polling) that monitors A-to-Z and claims matching shifts the instant they appear. - Deliverable: Automated selection engine with rule set (station, weekday, start/end hours, min pay) and a configurable JSON/YAML config or minimal UI to edit rules. - Deliverable: Performance tuning: reduce response time (same-second detection), optimize polling/websocket usage, and de-duplicate calls to avoid throttling during spikes. - Risk/QA: Staged deploy + rollback plan, load testing on simulated spike conditions, and retry/backoff logic to prevent freezing or bans. Skills: ✅ Python / Node.js / PHP (use existing language) ✅ Playwright / Selenium / headless browser or API integration ✅ Automation rules engine / JSON config editing ✅ Deployment on VPS / background service / cron or systemd ✅ Performance tuning, retry/backoff, request throttling Certificates: ✅ Microsoft® Certified: MCSA | MCSE | MCT ✅ cPanel® & WHM Certified CWSA-2 I’m available to start immediately. Which language/framework is the current grabber written in, and can you provide a test Amazon A-to-Z account or screenshots of the current flow so I c
$450 CAD in 3 days
6.1
6.1

As a highly seasoned full-stack developer with 13+ years of experience, I have honed my skills over the years, specifically in areas crucial for your project's needs: API Development, Automation, JavaScript, MySQL, PHP, Python, Software Architecture and Software Development. Appreciating the job description at its core, I assure you that your Amazon Shift Grabber will receive substantial improvements in response time and stability. While I'm flexible in terms of coding languages and frameworks to be used – whether it's PHP or any other you prefer – I will make certain that your shift-grabber will function seamlessly. To put it simply, I don't just write clean code; rather, I design efficient systems that are future-proofed. This seems to be a key requirement for your project as you want a tool that will work flawlessly even during fluctuations in Amazon listings without freezing or missing any updates. Being well-rounded in both backend and frontend development, rest assured that even the intuitiveness of your preference rules/UI is perfected. Let's not forget s about maintaining transparency -- confident that you'd be able to make tweaks if necessary. Thanking You Chandan Kandar
$500 CAD in 7 days
6.7
6.7

Hi, I have strong experience in Python, JavaScript, automation, and performance optimization for building reliable monitoring and notification tools. For this project, I’d improve the existing system into a fast, stable shift-monitoring tool that watches listings in real time, applies your station, day, hour, and pay filters, and alerts you immediately when a matching shift appears, with clean code and an easy-to-edit configuration. I’ve worked on similar automation and monitoring workflows where the focus was speed, stability, and maintainability under heavy update volume, while keeping the system easy to adjust over time. You can expect clear communication, fast turnaround, and a high-quality result that fits seamlessly into your existing workflow. Best regards, Juan
$500 CAD in 3 days
5.8
5.8

Hello. Please provide more information Thanks and Regards, Everest Technology .
$333 CAD in 7 days
5.8
5.8

Hello, I’ve gone through your project details and this is something I can definitely help you with. I have 10+ years of experience in mobile and web app development, working with technologies including Python, PHP, and JavaScript. My focus is on creating clean, efficient architecture that meets your specific needs while ensuring reliability under high load. I will first review your current code and implement the necessary optimizations for background functionality and response time. Meanwhile, I’ll also work on the automated selection engine to make your shift grabbing as seamless as possible. Here is my portfolio: https://www.freelancer.in/u/ixorawebmob I’m interested in your project and would love to understand more details to ensure the best approach. Could you clarify: What specific rules do you want to set for the automated selection engine? Let’s discuss over chat! Regards, Arpit Jaiswal
$250 CAD in 25 days
7.2
7.2

Hi, I can upgrade your existing shift-grabber into a fast, headless, and fully automated system that reliably captures shifts the moment they appear. I have solid experience optimizing automation tools where latency, stability, and background execution are critical. What I’ll improve: Ultra-fast response time: optimize polling/event handling to react within the same second shifts are posted Background operation: run fully headless or minimized (no focus required), using efficient session handling instead of UI dependency Stability under load: refactor logic to prevent freezing during spikes and ensure consistent performance New functionality: Rule-based auto-selection engine (station, day, time range, pay, etc.) Clean config file or lightweight UI for easy customization Smart filtering to avoid unnecessary actions and improve speed Deliverables: Upgraded, well-structured codebase Configurable rules system Demo showing background operation outperforming current version Clear README + comments for future tweaks My focus will be on making the tool fast, reliable, and future-proof, not just functional. I can start immediately—if you share the current codebase, I’ll first analyze bottlenecks and outline exact improvements before implementation. Best regards, Doan
$500 CAD in 5 days
5.8
5.8

Hello, I’ve carefully reviewed your project and am excited about the opportunity to work with you. With 7 years of experience in automation engineering and high‑speed event processing, I specialize in building low latency background services that outperform competing scripts. I am confident I can upgrade your Amazon shift grabber to run fully in the background, react instantly to new blocks, and apply your custom selection rules flawlessly. Here’s my approach: Rewrite and optimize the event loop or API polling to minimize latency and ensure sub second reactions Implement a rule based engine that automatically claims shifts based on station, hours, pay, and other parameters I am available to start immediately and aim to deliver a fully upgraded and documented version within 7 days. Additional instructions / notes (optional): I can redesign any existing logic without changing your preferred language I will provide clean comments and a simple config or UI for editing rules Best regards, Jushua
$555 CAD in 4 days
6.0
6.0

Hi, I can optimize your shift-grabber to run fully in the background with significantly faster response time, ensuring it captures shifts the moment they appear. I’ll streamline the logic and improve request handling to eliminate delays and keep it stable even during high-load listing spikes. I’ll also build a rule-based auto-selection system with a simple config or UI so it can claim shifts based on your exact preferences. Would you like this to run as a lightweight background service or with a minimal interface for monitoring activity? I’m ready to start immediately and deliver a fast, reliable upgrade with clean, well-documented code. Best Regards, Fizza Nadeem K
$500 CAD in 7 days
5.8
5.8

Hello! I am a Florida-based senior software engineer with extensive experience in PHP, JavaScript, and Python. I carefully read your project description about upgrading your Amazon shift grabber and understand the importance of reliability beyond just working within a window. With about 15 years in software development, I focus on building practical, scalable systems that truly meet user needs. To ensure the upgrade is seamless, I propose starting with a thorough analysis of the current system, followed by developing a robust API and implementing automation features to enhance reliability. I’ve successfully completed similar projects, such as a custom automation tool for inventory management and another API integration for a logistics application. Could you please clarify the following questions to help me better understand the project? 1. What specific reliability issues have you encountered with the current shift grabber? 2. Are there any additional features you would like to incorporate during this upgrade? I am committed to delivering a solid solution that meets your requirements and enhances your operational efficiency. Let’s chat more about how we can achieve your project goals together! -James
$500 CAD in 3 days
5.8
5.8

Hi! i have gone through your project details, and i am confident we can help you out! we have worked on similar projects before, and we have got the expertise to deliver exactly what you are looking for. how about we set up a quick meeting to chat through everything? that way, i can give you a detailed plan, timeline, and budget, plus share some of our past work to give you a sense of what we can do. let me know a time that works for you! looking forward, Mughiraa
$500 CAD in 7 days
5.5
5.5

Hello, I understand that you are seeking an upgrade for your Amazon A-to-Z shift grabber tool to enhance its performance and add new automated selection functionality. The key objectives include reducing response time significantly, ensuring stability during high traffic periods, and automating the shift selection process based on predefined rules. The goal is to have the tool operate seamlessly in the background, securing shifts faster and more efficiently than the current version. To achieve this, I will optimize the code to minimize response time, enhance stability during peak periods, and develop an automated selection engine based on your specified rules. I have extensive experience in enhancing tool performance and automating processes to improve efficiency and effectiveness. I am ready to start working on this project immediately and would appreciate the opportunity to discuss the scope, timeline, and expectations further. I am confident that my skills and experience align with your project requirements and objectives. Best regards, Justin
$500 CAD in 7 days
5.3
5.3

Greetings, It sounds like you’re looking to enhance your Amazon shift grabber to make it more efficient and responsive. I can help with that by redesigning the code to run in the background and ensuring it reacts instantly to new shifts. My approach would involve optimizing the current logic and streamlining API calls to maintain stability even during peak times. Additionally, implementing an automated selection engine based on your rules will make claiming shifts effortless. I'll make sure the new version is clean, efficient, and easy to adjust later with a configuration file or user interface. Just to clarify, do you have specific rules in mind for the automated selection engine, or are you open to suggestions based on best practices?
$450 CAD in 13 days
5.2
5.2

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