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Title: Senior WooCommerce & Klarna Expert – 24h Critical Fix we have disable in live store klarna for now We are looking for a senior freelancer with proven experience in WooCommerce and Klarna to fix a critical production issue on our live store within 24 hours of accepting the job. You must be able to start immediately. About our store Platform: WordPress + WooCommerce (live fashion ecommerce, variable products: color/size). Payment method to fix: Klarna for WooCommerce (v4.6.1). Other payment methods: Gestpay, card, PayPal, etc. Multi‑country and multi‑currency setup is in place. Main issues Critical bug – variable products with Klarna When the Klarna plugin is active: On the product page, the customer selects color and size and adds the product to the cart. ( [login to view URL] ) Returning to the same product and selecting a different color/size, the swatch label does not update correctly (it still shows the previous color). After adding again to the cart, the mini‑cart looks correct, but on the checkout page the last variation (color/size) is missing from the order summary. When Klarna is deactivated, variable products, cart and checkout work perfectly. We already tested with only WooCommerce + Klarna active (all other plugins disabled, cache issues excluded) and the problem still happens, so it is clearly related to the Klarna integration. Country / currency configuration errors For multiple countries (CZ, DK, HU, NO, PL, RO, SE, CH, GB) the plugin shows errors like: API error code: 400 – Bad value: purchase_currency and messages that production credentials for these countries are not configured correctly. We need a correct configuration of country + currency + Klarna contract, and WooCommerce / multi‑currency must be aligned with what Klarna expects. Credentials warning Live API credentials are entered and Klarna payments have worked, but the plugin still shows: “Credentials Not active – To unlock the plugin's features, enter your credentials”. We need this warning properly understood and resolved (or safely handled) so the setup is clean and reliable. Responsibilities Analyse and debug the interaction between Klarna for WooCommerce and: WooCommerce variable products (cart, sessions, checkout logic), our theme and minimal plugin stack, multi‑currency / multi‑country configuration. Find the exact root cause of: the missing last variation at checkout when Klarna is active, the “Bad value: purchase_currency” errors, the “Credentials Not active” warning. Implement a stable, production‑safe fix so that: Klarna can stay enabled as a payment method, all variable products behave correctly and all items always appear at checkout, country/currency and credentials configuration is correct and error‑free. Work first on staging (or a clone) and then deploy changes to live, with proper backup and rollback plan. Provide a short technical report summarizing: what was wrong, what was changed (files, hooks, filters, settings), how to keep the fix working with future updates. Requirements (must‑have) Senior WooCommerce developer (minimum 3–4 years on real ecommerce projects). Direct, hands‑on experience with Klarna for WooCommerce or other Klarna integrations (not just Stripe/PayPal). Strong knowledge of: PHP and WooCommerce hooks for cart, checkout, sessions and variable products, JavaScript/front‑end for add‑to‑cart and variations, debugging with logs, WP debug and browser developer tools. Experience working safely on live stores (backups, staging, rollback). Clear written communication in English (Italian is a plus). Nice to have Experience with Cloudflare and cache rules for WooCommerce. Experience with fashion / multi‑country / multi‑currency ecommerce. Timeline & conditions The job must be accepted immediately and started as soon as access is provided. Hard deadline: 24 hours from acceptance to: identify the issues, implement a working fix on staging, after our approval, deploy it to live. We expect: a first clear assessment within 2–3 hours from the start, short progress updates during the 24‑hour window. How to apply Please apply only if you are confident you can solve this within 24 hours and have real experience with similar cases. Include in your proposal: 1–3 concrete examples of projects where you: integrated or fixed Klarna in WooCommerce, or solved complex cart/checkout/variable product bugs. A brief description of your approach to debugging this specific issue (high‑level steps). Your availability in the next 24 hours (start time and time zone). Your fixed price for analysis + fix + deployment + short documentation.
ID do Projeto: 40184144
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As a seasoned developer with over 12 years of experience, specializing in web development and API integration, I offer you the technical and problem-solving skills essential for this project. My deep understanding of WooCommerce, Klarna, and WordPress with extensive utilization of PHP, ensures an efficient handling of all your customized requirements. Such a task like this critically highlights the importance we place on a clean and reliable setup that your traffic can depend on for their transactions in real-time. My direct experience building on multi-country and multi-currency platforms aligns with your pain points highlighted. I have successfully resolved similar issues in previous projects by not only identifying the root causes but providing tangible solutions that improved system performances. Having worked safely on live stores, I guarantee that your business continuity will be safeguarded because of my meticulous plans to deploy changes accordingly plus your store data will be secured via regular backups Choosing me means not only resolving these issues but also improving your overall system performance. My clients appreciate my strong communication skills that make it easy for us to understand each other's needs and expectations. On top of everything else, I understand the urgency behind this project and am ready to get started immediately. Let's solve these WooCommerce and Klarna issues together and get your payments flowing smoothly once again!
$250 CAD em 1 dia
6,7
6,7
88 freelancers estão ofertando em média $151 CAD for esse trabalho

Hello, I understand the urgency of your situation and am ready to assist you with the critical fix for your WooCommerce store involving Klarna. With extensive experience in WooCommerce and Klarna integrations, I can ensure a thorough and effective resolution. Here's how I plan to approach your project: - Analyze and debug the interaction between Klarna and WooCommerce variable products. - Identify and resolve issues, including the missing variations at checkout and API errors. - Ensure a seamless multi-country and multi-currency configuration. - Work first on a staging environment and then safely deploy to live. Could you share more about your current theme and plugin stack to better understand potential conflicts? Is there a specific time frame within the next 24 hours when you prefer the work to begin? Lastly, are there any other customizations in your WooCommerce setup that might affect this fix? Looking forward to helping you resolve these issues swiftly and effectively. Best regards, Azeem Amin.
$250 CAD em 7 dias
9,0
9,0

Hi Gaetano R. I’m your web developer, ready to turn your project Urgent WooCommerce & Klarna Diagnostic and Fix into reality! I’d love to discuss the details and create something amazing together. Feel free to message me anytime, and we can also hop on a quick video or audio call whenever it's convenient for you. I’ve developed many projects exactly like what you’re looking for. If you want to see more relevant samples, just contact me through the chatbox, and I’ll share them instantly. ★ Why Clients Trust Me 500+ successful web projects delivered 430+ positive client reviews Expert in PHP, JavaScript, WordPress, Debugging, WooCommerce, Payment Gateway Integration, API Integration, Cloudflare WordPress, Shopify, PHP, JavaScript, HTML, CSS, Plugin/Theme Development, Laravel, WebApp Clean, modern, responsive and SEO-optimized designs Fast delivery, great communication, and long-term support Available during EST hours for smooth collaboration If you want a professional developer who delivers quality work on time and stress-free, let’s connect. I’m excited to help build something amazing for you. Best regards, Kausar Parveen
$180 CAD em 3 dias
8,4
8,4

As an experienced full-stack developer and a WooCommerce expert, I believe I am the ideal candidate for your project. Having worked on numerous e-commerce sites and integrated various payment gateways including Klarna, I am confident of my capability to meet your urgent requirements. My extensive knowledge in WordPress and PHP combined with a deep understanding of WooCommerce hooks makes it easier for me to spot errors in the system and resolve them efficiently. Drawing from my portfolio, I've successfully developed and built multiple web platforms, ensuring their efficient functionality even under immense pressure. Backed by three years of experience in senior position, I have garnered experience dealing with critical bugs on live websites like yours seamlessly and ensuring minimal interruption to the end-user. This is complemented by my proficiency in backend especially with Laravel that ensures any fixes we implement are not only proven but also optimize the entire site’s performance. Furthermore, my skill set aligns well with other aspects of this project such as multi-country/multi-currency configuration, debugging capabilities using logs and WP debug; all are paramount in addressing issues you've described. In addition to delivering a stable fix, I am committed to providing you an insightful report to ensure you understand what was wrong, how it was resolved and most importantly how to maintain its continuity for future update. With Regards! Nikhil
$250 CAD em 7 dias
8,1
8,1

Hello, I came across your project and found it truly interesting. With over eight years of hands-on experience in this field, I have successfully delivered high-quality solutions to clients worldwide. My dedication to excellence is reflected in the 180+ positive reviews from satisfied clients. I’d love to bring this expertise to your project and ensure outstanding results. However, I do have a few important points I’d like to clarify to align perfectly with your vision. Let’s connect via chat, where I can also share relevant examples of my past work. I'm looking forward to hearing back from you! Best Regards, Divu.
$250 CAD em 7 dias
8,1
8,1

Hi Gaetano, I will start by analyzing the interaction between Klarna for WooCommerce and variable products, identifying the root cause of the issues mentioned. I will then work on implementing a stable fix on staging and deploying it to live with proper backup plans. Let's discuss this further in detail. Please start the chat so we can discuss it further. Regards, Sai Bhaskar
$160 CAD em 5 dias
7,8
7,8

Hello I have thoroughly reviewed your project description and am confident in my ability to assist you in completing it successfully. I believe it would be highly beneficial to delve deeper into the specifics of the job to determine the most effective way forward. I am open to scheduling an interview at your convenience, and I genuinely appreciate the chance to collaborate with you on this project. Your response is eagerly anticipated, and I'm excited about the prospect of working together. Thank you for considering my proposal. Looking forward to your prompt reply! Best regards Rekha!!!
$250 CAD em 7 dias
7,9
7,9

Hi Gaetano R., ➡️ I read your project description regarding the urgent need for a WooCommerce & Klarna expert to fix critical issues within 24 hours. I understand that Klarna integration is causing major disruption in your live store, particularly with variable products. ⏺️ I specialize in WooCommerce and have extensive experience with Klarna integrations, ensuring seamless compatibility across multi-country and multi-currency setups. My skills include PHP, JavaScript, and thorough debugging with WordPress tools, which are crucial for addressing the issues you described. I will first replicate the problem on a staging environment, identify the root cause, and implement a stable fix to ensure Klarna remains functional without disrupting the shopping experience. Regards, Aftab Ahmad Senior WooCommerce Developer (14 Years of Experience)
$200 CAD em 6 dias
7,3
7,3

Hi there, I understand the urgency of your situation with Klarna and WooCommerce and I'm ready to tackle the critical issues impacting your live store. With over 4 years of hands-on experience, I've successfully integrated and troubleshot Klarna plugins in various e-commerce environments, ensuring smooth payment processes for variable products. My approach involves immediate analysis of the interactions between Klarna and WooCommerce's variable products, debugging the API errors, and resolving any credentials issues. After implementing a stable fix on a staging site, I'll ensure a safe rollout to your live store with complete documentation for future reference. I can provide updates every couple of hours to keep you in the loop. Let's get started to have Klarna up and running smoothly within the next 24 hours.
$80 CAD em 2 dias
6,7
6,7

Hello As a senior WooCommerce & Klarna expert, I specialize in urgent diagnostics and rapid fixes for critical payment gateway issues. I'll swiftly diagnose and resolve your integration problems, ensuring seamless Klarna processing within 24 hours. My priority is restoring full functionality promptly. Let's start the fix now. Giáp Văn Hưng
$90 CAD em 7 dias
6,7
6,7

I'm experienced in WooCommerce and Klarna integrations, with over 4 years of hands-on experience in real ecommerce projects. I have successfully resolved critical production issues similar to the one described, ensuring stable and error-free payment processing. My expertise includes debugging interactions between WooCommerce and Klarna, configuring multi-country/currency setups, and resolving API credential warnings. I am confident in my ability to analyze, fix, and deploy solutions within the specified 24-hour deadline.
$250 CAD em 7 dias
6,7
6,7

Hello, I understand you need urgent WooCommerce and Klarna fix for your live store. I have a strong background in WooCommerce and Klarna integration, especially with variable products. I'm confident I can identify and fix the issues you're facing, including the variation problems, currency errors, and credential warnings. I'll focus on debugging the core integration points and providing a stable solution within the 24-hour timeframe. Regards, Parvesh M.
$99 CAD em 3 dias
6,4
6,4

Hello, I understand you’re looking for a senior WooCommerce and Klarna specialist who can diagnose and permanently resolve a critical production issue within a strict 24-hour window. I have extensive hands-on experience debugging Klarna for WooCommerce in live, multi-country fashion stores with complex variable products, session handling, and multi-currency logic. My approach would be to clone the live environment to staging, enable detailed WooCommerce and Klarna logging, and trace how Klarna hooks into variation selection, cart session storage, and checkout payload generation. I would identify the root cause of the missing variation data, correct the currency and country mapping to match Klarna contract expectations, and resolve the credential state warning so the integration remains stable through updates. All fixes would be production-safe, documented, and deployed with a rollback plan. I am available to start immediately and deliver a working solution within the required timeframe. Thanks, Asif
$250 CAD em 3 dias
6,4
6,4

As a senior WooCommerce developer with over 4 years of hands-on experience, I've become intimately familiar with the platform, particularly variable products and payments. Notably, I've engaged extensively with Klarna for WooCommerce and appreciate the complexity of this integration far beyond just Stripe or PayPal. My deep knowledge of PHP, JavaScript, as well as WooCommerce and WordPress hooks will allow me to effectively debug the interaction between Klarna and your website's dynamic features including sessions, variations and checkout process ensuring all correct variations appear at checkout. Throughout my career, security and stability have remained paramount. This is why I'm experienced in working on live stores—backups, staging and rollbacks are part of my everyday work. A similar level of care will be afforded to this project to guarantee a safe testing environment. With any adjustments applied first on staging before deploying to live only upon complete satisfaction. \
$50 CAD em 1 dia
6,1
6,1

Hi, We would like to grab this opportunity and will work till you get 100% satisfied with our work. We are an expert team which have many years of experience on PHP, JavaScript, WordPress, Debugging, WooCommerce, Payment Gateway Integration, API Integration, Cloudflare Please come over chat and discuss your requirement in a detailed way. Thank You
$80 CAD em 7 dias
5,4
5,4

Hi Gaetano, I can diagnose and fix the Klarna + WooCommerce variable product issue end-to-end, including the missing variation at checkout, multi-currency purchase_currency errors, and the misleading credentials warning. Kindly tap the Chat button to initiate the conversation, and we will endeavor to craft the most suitable solution for this matter. Warmest regards, Moazzam UA
$100 CAD em 2 dias
5,6
5,6

Hi Gaetano R., I am very interested in fixing your WooCommerce and Klarna issues. I am a senior WooCommerce developer with over 4 years of ecommerce experience and direct, hands-on Klarna work. I work carefully on live stores with backups and staging. Examples: 1) Fixed Klarna variable product mismatch on a fashion store where last variation disappeared at checkout. 2) Resolved Klarna purchase_currency 400 errors by mapping WooCommerce multi-currency to Klarna contracts. 3) Fixed credentials and environment warnings so live payments stayed active. My approach: reproduce the bug on staging, inspect cart and session hooks, log Klarna payloads, correct hook order or plugin conflict, align country/currency settings, test end to end, and deliver a short technical report. Best regards, Saad J.
$150 CAD em 3 dias
5,3
5,3

As a seasoned and dedicated WooCommerce developer with over four years of hands-on experience, I have the expertise you need to promptly address your critical production issues. My familiarity with Klarna for WooCommerce extends far beyond just knowing how to integrate it; I've debugged complex interactions between this plugin and various elements of an e-commerce site, including variable products like yours. Using my deep understanding of PHP and WooCommerce hooks, as well as JavaScript, I can effectively locate and solve the multiple problems you've been facing—from the missing last variation at checkout to the "Bad value: purchase_currency" errors, to the persistent "Credentials Not active" warning. I have nurtured proficiency in ensuring that multi-country and multi-currency setups align flawlessly with what payment gateways and plugins like Klarna expect, so your fashion e-commerce store will work seamlessly across all countries in which you operate. Additionally, my experience in safely managing live stores provides me with reliable strategies for staging changes, employing backups, and implementing rollbacks in case of any unexpected turn of events.
$140 CAD em 7 dias
5,6
5,6

As the leader of Happy Coders, I bring over 5 years of valuable experience in WordPress and its integrations, along with a deep expertise in JavaScript and PHP which would be absolutely necessary to solve your WooCommerce and Klarna payment issues. I have a rich history of working on live stores, carefully analyzing problems and implementing reliable solutions without compromising any user data or functionality. Beyond just fixing the existing bugs, my team will outline a complete technical report so that you can understand what went wrong and how our fixes align with future updates. We find in your project a fantastic opportunity to work on specific challenges that match perfectly with Happy Coders' strengths. Our profile demonstrates our dedication and agility at solving complex issues - attributes we believe are truly essential for this project at hand. We understand the importance of backups, staging and rollbacks in such a sensitive production system and will ensure proper usage of these practices throughout the entire process. Finally, I'd like to emphasize our commitment to clear communication. Being proficient in English (Italian as an added bonus), we keep you informed at each step, ensuring you understand what's been done, why it mattered and how it improves your online store.
$800 CAD em 7 dias
4,8
4,8

⭐ If you award me, your smile shows up ⭐ Hi , Your project immediately stood out to me—it closely matches work I’ve completed successfully in the recent past. The core challenges, structure, and technical requirements are very familiar, with only a few unique elements that align perfectly with my expertise. This is great news for you: it allows me to skip the usual ramp-up time, avoid trial-and-error, and deliver clean, high-quality results quickly and confidently. I bring hands-on experience with Payment Gateway Integration, API Integration, PHP, WooCommerce, WordPress, Debugging, JavaScript and Cloudflare, along with proven workflows and best practices refined through multiple similar projects. You can view a directly relevant example in my portfolio here: https://www.freelancer.com/u/thomasb726 I’d be happy to discuss your specific goals in more detail and share tailored ideas based on what has worked best in comparable scenarios. Why clients choose—and continue working with—me: • Clear, proactive communication so you always know where the project stands • Strong respect for your deadlines, budget, and business reputation • Responsive, approachable, and focused on a smooth, stress-free process • Reliable post-delivery support that often leads to long-term partnerships If you’re looking for precise execution, high-quality results, and a dependable long-term partner, I’d love to connect and help bring your project to life. Best regards, Tom
$150 CAD em 1 dia
4,4
4,4

Hey , Good morning! I’ve carefully checked your requirements and really interested in this job. I’m full stack node.js developer working at large-scale apps as a lead developer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I’m well versed in React/Redux, Angular JS, Node JS, Ruby on Rails, html/css as well as javascript and jquery. I have rich experienced in Cloudflare, API Integration, WordPress, Payment Gateway Integration, Debugging, WooCommerce, JavaScript and PHP. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. For more details Chat with us
$155 CAD em 4 dias
4,6
4,6

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