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Shopify Checkout Issue JavaScript Errors (Urgent Fix Needed) Hi, I have a Shopify store and I am facing a serious issue with high abandoned carts and checkouts. After installing a session recording app (Propel Replays & Heatmaps), I can clearly see that many customers are getting JavaScript errors during cart and checkout. Customers are: Adding products to cart Clicking checkout Even reaching payment (PayPal) But then something breaks and they leave without completing the purchase. This is happening across multiple sessions and devices (especially mobile), so it is not a user issue it is a website problem. What I need I need an experienced Shopify developer to: Identify the JavaScript errors on my website Check for app conflicts (currency converter, popups, tracking scripts, etc.) Review theme (Debut) for any issues Test full checkout flow (cart → checkout → payment) Fix anything that is breaking or interrupting checkout Important This issue is affecting my sales, so I need someone who can: Go deep into the problem (not basic check) Fix it properly Test everything after fix
Project ID: 40361290
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Hi, I’ll identify the errors, check for any app conflicts or theme issues, and ensure that the entire checkout flow works smoothly. Based on your description, it seems there might be a mix of scripts causing the problem, which I can resolve effectively. With over 10+ years of experience in Shopify development, I’m confident I can fix this swiftly and thoroughly. I’ll test everything to ensure your customers can complete their purchases without issues. Let me know if you’re ready to move forward! Best Regards, Priyanka
$140 AUD in 2 days
8.5
8.5
238 freelancers are bidding on average $147 AUD for this job

Hi there, I can help you urgently investigate and fix the Shopify checkout issue properly, not just patch symptoms. Since this is directly impacting conversions, we would start by auditing the live cart-to-checkout flow, reviewing browser console errors, checking Debut theme customizations, and isolating app/script conflicts such as session replay, currency converter, popups, tracking tags, or PayPal-related interruptions. We have strong experience with Shopify debugging, theme-level JS fixes, and checkout-impacting third-party app conflicts, especially on mobile where these issues often surface first. Please share your current Shopify store URL so I can review the live setup before we proceed. Are the errors happening only after installing Propel Replays and Heatmaps, or were there abandoned checkout issues before that as well? Have you added any recent apps, custom code, GTM scripts, currency tools, or popup apps to the theme? Are you using Shopify Payments with PayPal, or PayPal only? Do you already have any console error screenshots or session recordings you can share? The cost and timeline provided are placeholder and we can finalise it after a quick chat or discussion and by reviewing the scope of the work. Rated Top 1% on Freelancer.com with a 100% job success rate, 150+ recommendations and the highest repeat hire rate, we ensure your site and app will be both visually appealing and strategically structured for best ROI. Thank you, Akash from CVInfotech
$300 AUD in 1 day
9.6
9.6

Hi, I can quickly identify and fix the JavaScript errors affecting your Shopify checkout, ensuring smooth cart-to-payment flow. I’ll audit your Debut theme, check for app conflicts, and test the full checkout process across devices. My focus will be on resolving abandoned cart issues by eliminating script errors and optimizing the checkout experience. Do you want me to provide a detailed log of each fix so you can track what was changed? I’ve done similar work with great success that I can show you over the chat. I will make revisions until you are fully satisfied with the final result. I can guarantee that. Let’s talk.
$140 AUD in 7 days
9.5
9.5

Hello, I’m Kamlesh Kumar, a Full Stack Web Developer with 7+ years of experience building scalable and high-performance web applications. My main expertise is in PHP-based backend systems and modern frontend frameworks, helping businesses build reliable and maintainable platforms. Core Expertise Backend Development - PHP (Core PHP, CodeIgniter, Laravel) - Node.js - Python - Shopify Frontend Development - React.js - JavaScript, HTML5, CSS3 - Bootstrap and modern UI frameworks Database - MySQL - PostgreSQL - MongoDB What I can help you with - Custom web application development - REST API development & integrations - Admin panels and dashboards - Performance optimization and bug fixing - Scalable backend architecture I focus on building clean, maintainable code and stable systems that can scale as your business grows. If you’d like, we can discuss your project requirements and determine the best approach to move forward. Best regards, Kamlesh Kumar
$140 AUD in 7 days
8.8
8.8

Hi, I can quickly identify and fix the JavaScript errors affecting your Shopify checkout and reduce cart abandonment. With strong experience in Shopify (including Debut theme), I will perform a deep audit of your store—checking console errors, app conflicts (like session recording, currency converters, popups, tracking scripts), and theme code issues that may be breaking the checkout flow, especially on mobile. I’ll systematically test the full journey (cart → checkout → PayPal/payment), isolate the root cause, and implement a clean fix without disrupting your existing setup. After that, I’ll retest across devices and browsers to ensure everything runs smoothly and reliably. My focus will be on restoring a seamless checkout experience so customers can complete purchases without errors. We can communicate more on this matter. Kindly accept the offer so we can discuss further. Thank you Jennifer
$140 AUD in 7 days
9.2
9.2

I think its stack conflict issue i can fix let me know so i can check i will need ssh access and website details. Thanks
$150 AUD in 1 day
8.6
8.6

Hello, I understand your Shopify store is facing critical checkout drop-offs due to JavaScript errors, likely from app conflicts or theme issues, especially impacting mobile users during the cart-to-payment flow. I will thoroughly debug scripts, audit app integrations, review the Debut theme, and test the complete checkout funnel to identify and permanently fix the root cause. With 10+ years of experience in Shopify development and troubleshooting complex issues, I ensure stable, conversion-focused solutions. Let’s connect in chat so I can review your store and start fixing this urgently, thank you Regards Gaurav Garg
$140 AUD in 1 day
8.6
8.6

Hello, With years of experience in web development, e-commerce optimization, and problem-solving in JavaScript and PHP, I am confident that I can successfully diagnose and resolve this urgent Shopify checkout issue for you. Having worked on multiple Shopify websites, I understand the importance of a hassle-free checkout experience to drive more conversions and revenue for your business. As you mentioned that these JavaScript errors occur across devices and impact payments, it's evident that this isn't a small bug that can be resolved with a simple patch. It requires a thorough inspection, not just of your theme but also the various apps you're using, for possible conflicts. With my meticulous approach and in-depth understanding of different technologies including theme development (like Debut), app management, and payment integrations like PayPal, I am equipped to dig deep into the problem and deliver a solution that will address all the current issues. Let me assure you that once the issue is identified and fixed, I will conduct comprehensive testing to evaluate the entire checkout flow - from cart addition to payment - ensuring no loose ends exist. My aim is not just to fix the current issues but also to prevent future coding or compatibility mishaps with third-party apps. I believe in providing long-term solutions rather than quick fixes. With my dedication towards thoroughness and quality combined with an unwavering commitment Thanks!
$130 AUD in 3 days
8.6
8.6

As a Shopify developer with a focus on efficiency and functionality, I’m confident I can resolve your JavaScript issues to significantly reduce cart abandonment rates. With keen attention to detail, I'll leave no stone unturned in identifying any underlying issues causing interruptions in the checkout process. My experience in reviewing and debugging popular Shopify themes like Debut has equipped me with the skills necessary to deal with any problem that may arise during the process.
$150 AUD in 1 day
8.7
8.7

Hello, I'm a web designer and developer with over 13 years of experience. I've reviewed your project and am confident I can assist you. Please send me a message to get started. Thank You
$60 AUD in 1 day
8.1
8.1

Hello, I’ve read your urgent Shopify checkout issue and I’m confident I can pinpoint and fix the breakages impacting cart and checkout flows, especially on mobile. I have hands-on experience debugging Shopify themes (Debut), app conflicts, and complex JS errors that disrupt payments, including PayPal, across devices. My approach is pragmatic and thorough: inspect the console for JS errors, reproduce the flow from add-to-cart to payment, identify conflicts from the currency converter, popups, and tracking scripts, review the Debut theme for code or asset issues, implement robust, conflict-free fixes, and re-test the full checkout end-to-end on multiple devices. I will deliver a targeted fix and verify the entire checkout path (cart → checkout → payment) works reliably, followed by a stability test for edge cases. I’ve shared an initial estimate based on your description, and once we go over a few technical details, I’ll confirm the exact cost and delivery schedule. What specific error messages appear in the browser console during checkout on mobile, and do you have access to error logs or Propel Replays sessions that reproduce the issue across devices? Best regards, Asad
$75 AUD in 3 days
8.2
8.2

I understand how critical this project is for your business, which is why I'm the ideal candidate to resolve your Shopify checkout JavaScript issues. With over 8 years of experience in web development, I specialize in identifying and resolving complex technical issues effectively and efficiently. My deep understanding of JavaScript and Shopify, combined with my extensive portfolio of successful projects, makes me confident in providing you the concise solution that you need right now. In preparation for this task, I have equipped myself with an in-depth knowledge of the common culprits that can interrupt the smooth checkout process. From app conflicts to theme issues, I will leave no stone unturned in my troubleshooting. Additionally, I will engage in a thorough testing process to ensure that every aspect of your cart-to-payment flow is seamless, across multiple devices and sessions, so you can start enjoying increased conversions and minimized cart abandonment. Ultimately, my goal is not just to fix the existing issue, but also to alleviate its impact on your business long-term. As a dedicated professional who values clear communication, promptness, high-quality work, and meeting set deadlines -- you can expect nothing short of excellence from me. Let's forge a long-term relationship where you can rely on my technical prowess to empower your ecommerce success.
$80 AUD in 1 day
8.0
8.0

Hi there, I will analyze console errors and session recordings, identify conflicting apps/scripts, audit the Debut theme, fix broken cart/checkout/payment events, and test the full purchase flow across devices. Capture JS errors from console + session replays → Detect conflicting apps/scripts (currency, popups, tracking) → Audit Debut theme + cart/checkout scripts → Fix broken event flow (cart → checkout → payment) → Optimize script loading to prevent conflicts → Test full funnel on mobile + desktop → Final QA + deploy stable fix
$180 AUD in 7 days
8.1
8.1

Hi there, I can thoroughly debug your Shopify store to identify the JavaScript errors causing checkout drop-offs. I’ll check for app conflicts, review your Debut theme, and test the full checkout flow across devices especially mobile to find and fix the exact breakpoints. This will stabilise your checkout process, reduce abandoned carts, and help recover lost sales quickly. I can start immediately and ensure everything is properly tested after the fix let’s get this resolved fast. Thanks
$150 AUD in 7 days
8.3
8.3

Dear Client , as a Certified Shopify Plus Developer, I can definitely help you with this. I specialize in debugging checkout-level JavaScript issues and app conflict problems that directly impact conversions. I will:==> Identify and isolate the exact JS errors causing checkout failures Audit all installed apps for conflicts (scripts, popups, converters, trackers, heatmaps) Review your Debut theme code for broken or blocking scripts Test the full funnel (cart → checkout → payment → PayPal) across devices Fix and stabilize the checkout flow to ensure zero interruption in purchase journey Re-test everything to confirm smooth conversion flow I focus on root-cause fixes, not surface-level patches, ensuring your checkout is stable and conversion-ready. I can start immediately since this is a revenue-critical issue. Anks Team Parkhya Solutions
$200 AUD in 3 days
8.1
8.1

As your dedicated Shopify expert, I understand the urgency of fixing these JavaScript errors impacting your checkout process and continuously leading to abandoned carts. My collaboration with you will involve an all-encompassing approach rather than a superficial patch-up, ensuring that every aspect of your store is thoroughly scrutinized. With 6 years of experience in web development, I have a deep understanding not only of Shopify but also its integration with different apps for currency conversion, pop-ups, and order tracking to name a few. I specialize in creating custom Shopify templates that are coherent and optimally functional - crucial for enhancing user experience through smooth cart-to-checkout transition. During our collaboration, my hands-on, meticulous approach will allow me to spot potential conflicts or issues within your Debut theme so that installation-induced JavaScript errors are completely eradicated. Post-resolution, I'll scrupulously test the full checkout flow across various devices ensuring seamless payment processing before handing over the project. Rest assured, choosing me means taking a significant stride towards the improvement of your sales figures and customer retention rate. Let's promptly combat this predicament together and reinstate the dependability of your e-commerce store in customers' eyes!
$140 AUD in 4 days
7.9
7.9

Hello!===>>>>>I can quickly diagnose and fix the JavaScript errors affecting your Shopify checkout by identifying theme issues, app conflicts, and broken scripts causing drop-offs. I’ll thoroughly test the full purchase flow across devices and ensure a stable, error-free checkout experience. Given the impact on your sales, I’m ready to dive in immediately and resolve this properly.
$270 AUD in 2 days
8.2
8.2

Hi, I am a Shopify expert with experience in resolving complex checkout issues. I will analyze your website to identify and fix JavaScript errors, check for app conflicts, review your theme for issues, and ensure a seamless checkout flow. Let's discuss further to address this urgent matter. Please start the chat for detailed discussion. Regards, Sai Bhaskar
$90 AUD in 2 days
7.7
7.7

Greetings, I am a Senior Shopify Developer and I can quickly identify and resolve the JavaScript errors disrupting your checkout flow. I’ll review your Debut theme, audit app conflicts, and test the full cart-to-payment journey to ensure smooth conversions. My focus will be on fixing the root cause, not just surface checks, so abandoned carts drop and sales recover. Do you recall when the issue first appeared or after which app installation? Let’s have a quick chat to clarify a few details about the task. Ping me when you're available.
$100 AUD in 7 days
7.8
7.8

Hello, I understand how critical this issue is—JavaScript errors during checkout can directly lead to lost sales. I’m confident I can identify the root cause and restore a smooth, error-free checkout experience for your Shopify store. What I’ll Deliver: • Complete debugging of JavaScript errors using console tracing and deep inspection • Full audit of installed apps (currency converters, popups, tracking scripts) to detect conflicts • Detailed review and cleanup of your Debut theme code if required • End-to-end testing of checkout flow (cart → checkout → PayPal) across devices, especially mobile • Permanent fixes to ensure stable, uninterrupted checkout performance • Final validation testing to confirm everything works flawlessly Why choose me? • Proven experience fixing complex Shopify checkout and script conflict issues • Strong expertise in JavaScript debugging and Shopify theme customization • Focus on root-cause fixes, not temporary patches • Fast turnaround with clear communication throughout the process • Committed to ensuring your store runs smoothly and converts consistently I’m ready to start immediately and resolve this before it impacts your sales further. Best regards,
$140 AUD in 7 days
8.4
8.4

Hi, ➡️ I read your project description about the urgent Shopify Checkout JavaScript error issue youre facing, impacting sales due to high cart abandonment rates. ⏺️ I specialize in Shopify development with a keen eye for debugging and resolving complex JavaScript errors. My approach includes thoroughly identifying script conflicts, testing across devices, especially mobile, and ensuring a seamless checkout flow from cart to payment without disruptions. Regards, Aftab Ahmad Shopify Expert (12 Years of experience)
$150 AUD in 6 days
7.4
7.4

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