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My top priority is eliminating the incorrect stock quantities that keep showing up in Shopify even though the numbers in Lightspeed Retail are accurate. So far I have been handling the discrepancies with manual adjustments, but that is obviously not sustainable. Here is the ground I need you to cover during a live Zoom / screen-share session: • Data synchronization process – walk through every step of the Lightspeed-to-Shopify feed, spot bottlenecks or mis-firing jobs, and tune timing so updates propagate reliably. • Historical data inconsistencies – locate duplicated or legacy products, clean the catalog, and make sure old records do not re-surface once the sync is running smoothly. While the incorrect stock counts are the main headache, I also want you to confirm why some inventory changes never reach Shopify and why a handful of older SKUs have started duplicating. Pinpointing the root cause—whether it sits in product/SKU mapping, an API rate limit, a third-party connector, or custom code—is part of the brief. Once the current integration is stable, I would like your honest assessment of whether migrating from Shopify to Lightspeed E-commerce would be the smarter long-term move for our business. If you have hands-on experience with Lightspeed Retail, Shopify integration workflows, and ideally Lightspeed E-commerce migrations, I’m ready to get this session on the calendar and start resolving the sync issues for good.
Project ID: 40705987
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107 freelancers are bidding on average $23 USD/hour for this job

Hello, Incorrect Shopify stock while Lightspeed Retail stays accurate usually points to SKU mapping drift, missed webhook/API jobs, or connector timing conflicts; the older SKU duplication makes legacy product IDs and variants the first place I would inspect during the Zoom session. - Trace the full Lightspeed-to-Shopify inventory path and mark the failing handoff. - Compare SKU, variant, and product IDs so duplicates stop reappearing. - Review sync logs, job timing, API limits, and any connector rules on screen. - Give a clear keep-Shopify vs Lightspeed E-commerce recommendation after the audit. The practical goal is to leave the session with the root cause isolated, unsafe catalog records identified, and a cleanup order that will not create more stock changes. Which app, connector, or custom script is currently sending Lightspeed Retail inventory updates into Shopify? I can start with the screen-share audit and document the fixes as I go. Roman
$23 USD in 7 days
10.0
10.0

Hello, The inventory discrepancies suggest a failure somewhere between SKU/product mapping, synchronization jobs, connector behavior, API limits, or custom integration logic, not simply a Shopify display issue. I can use the live screen-share to trace the complete Lightspeed Retail-to-Shopify flow, inspect request/response behavior, review update timing, and identify why specific stock changes are being dropped. I will also help isolate duplicated and legacy products, verify identifier consistency, and determine how historical records are being reintroduced. Where custom logic is involved, I can review the JavaScript, PHP, or Java integration components and validate the underlying MySQL data relationships so the corrective action addresses the root cause rather than requiring continued manual adjustments. After stabilization, I’ll provide a candid assessment of whether remaining operational constraints justify a Lightspeed E-commerce migration, including data, workflow, and integration considerations. Which connector or custom integration currently controls inventory updates, and can we review its logs alongside representative duplicated and unsynchronized SKUs? I’m ready to work through the issue methodically during the Zoom session and leave you with clear findings and next steps. Regards, Muhammad Awais
$25 USD in 23 days
9.3
9.3

Hi, thanks for the detailed brief — this is exactly the kind of sync issue I enjoy untangling. Here is how I will approach the session: - Audit the full Lightspeed-to-Shopify feed and fix mis-firing sync jobs - Resolve SKU mapping conflicts causing duplicates and missed updates - Clean legacy catalog data so old records stop resurfacing A few questions to help me prepare: 1. Which connector or middleware are you using between Lightspeed and Shopify — a third-party app, custom API, or something else? 2. Do the sync failures seem to happen at random or during specific times, like peak traffic or after bulk inventory updates? 3. Have you made any recent changes to SKUs, product variants, or Shopify settings that may have coincided with when the issues started? Once the integration is stable, I will give you an honest side-by-side assessment of staying on Shopify versus moving to Lightspeed E-commerce so you can make a confident long-term call. Looking forward to getting this resolved for you. Azeem Amin
$25 USD in 7 days
9.0
9.0

Hi — Elias here from Miami. I understand your priority is to resolve the incorrect stock quantities showing in Shopify, which can disrupt your inventory management and customer experience. The real challenge typically lies in ensuring seamless integration between Lightspeed and Shopify. A common issue is the synchronization process, where data mismatches can occur due to timing, permissions, or API limitations. It’s crucial to pinpoint the root cause of these discrepancies to avoid future conflicts. To tackle this, I would assess the current API configurations and how data flows between both platforms. Implementing robust error handling and logging can help identify issues early. Ensuring that the data structure is consistent across both systems will enhance reliability and maintainability. I've worked on similar integration projects, optimizing data flows between ERP systems and e-commerce platforms, leading to significant improvements in inventory accuracy. A few questions to better understand the scope: Q1 – What specific stock quantity mismatches have you encountered? Q2 – Are there particular products or categories that are more affected? Q3 – How frequently do you need the inventory data to sync between Lightspeed and Shopify? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
$50 USD in 5 days
8.7
8.7

Hello, 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 PHP, JavaScript, Excel, Inventory Management, MySQL, Shopify, Software Development, API 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.
$25 USD in 5 days
8.9
8.9

Hi there, I can see the real pain here isn’t just stock drift , it’s the silent breakdown between Lightspeed and Shopify that keeps forcing manual fixes. I’ve worked on Shopify, inventory syncs, API troubleshooting, and data cleanup, so I can help trace the full feed, identify where quantities stop updating, and check whether SKU mapping, connector behavior, or custom code is causing the duplicate records. I’ll review the sync path live with you, clean up the legacy product issues, and make sure the process is stable before suggesting whether a move to Lightspeed E-commerce would actually be the better long-term fit. I’ve shared an initial estimate based on your description, and once we go over a few technical or functional details, I’ll confirm the exact cost and delivery schedule. Could you share which connector or app currently handles the Lightspeed-to-Shopify sync, and whether it is one-way or two-way? Best regards, Asad
$15 USD in 26 days
8.3
8.3

The problem is not just wrong stock in Shopify—it is that something in the sync chain is intermittently failing, which is why manual corrections keep coming back. The right way to handle this is to trace the inventory flow step by step, verify SKU/product mapping, review whether the connector or custom logic is skipping events, and separate live sync issues from old catalog pollution. I have handled Shopify troubleshooting, product-feed issues, API-related sync failures, and catalog cleanup work where duplicate or legacy items were masking the real source of inventory errors. For a case like this, the key is not guessing during the session but methodically testing where updates stop, why older SKUs are duplicating, and whether the current integration is worth keeping. I can also give you a practical recommendation on Shopify vs Lightspeed eCom once the root cause is clear. - Which connector or middleware is currently handling the Lightspeed-to-Shopify sync? - Are the duplicate SKUs tied to archived/deleted products, variants, or older imports? - Do you want the live session focused purely on diagnosis first, or diagnosis plus cleanup actions during the same booking?
$20 USD in 40 days
7.9
7.9

Hi — incorrect Shopify stock while Lightspeed is accurate almost always traces to one of a few things: SKU/variant mapping, sync-job timing or a rate-limited/failing API call, or a connector re-ingesting legacy records. On our Zoom/screen-share I'd walk the full Lightspeed-to-Shopify feed step by step, watch where updates stall or mis-fire, and tune the timing so changes propagate reliably. I'd then clean the historical inconsistencies — find duplicated/legacy products and fix the mapping so old records don't resurface — and pin down the root cause of the missing updates and duplicating SKUs rather than just patching symptoms. Once it's stable I'll give you an honest, no-spin assessment of whether moving to Lightspeed E-commerce is the smarter long-term call for your business. Quick question: which connector or script runs the sync today, and where are its logs/job statuses stored? I can get on a session quickly. Best regards, Zahidul
$20 USD in 40 days
7.7
7.7

Hi There! I specialize in troubleshooting Shopify integrations and inventory sync issues, with 9+ years of experience, 450+ completed projects, Top 1% verified freelancer. I’ll trace the Lightspeed Retail → Shopify flow during the Zoom session, verify SKU/product mapping, connector jobs, API limits and custom code, then identify why quantities fail to update or older SKUs duplicate. I’ll also review historical catalog inconsistencies, stabilize the sync, and explain the root cause rather than relying on manual stock corrections. Once stable, I can give you an objective view on whether Lightspeed E-commerce is a better long-term fit. Which connector or integration currently handles your Lightspeed-to-Shopify sync?
$20 USD in 40 days
7.4
7.4

Hello Sir, I’d be thrilled to build a demo of the inventory sync solution before any commitment to demonstrate its effectiveness. My expertise in Lightspeed Retail and Shopify integration allows me to efficiently identify and resolve discrepancies, ensuring your stock counts are always accurate and sustainable. Let's discuss your needs in detail and set up a live session to showcase a tailored plan, complete with a demo. Regards, Smith
$20 USD in 40 days
7.4
7.4

Hello!, I am a US-based full stack ecommerce developer with around 10 years of experience working with Shopify, inventory systems, POS integrations, API troubleshooting, catalog cleanup, SKU mapping, and sync reliability issues. I read your project description carefully and understand the main problem: Lightspeed Retail inventory is correct, but Shopify is showing wrong quantities, missed updates, and duplicate/legacy SKUs. This needs a root-cause review, not random manual fixes. I’ve been participating in the Shopify Partners program since 2016 and have built many Shopify apps and themes. For this session, I would walk through the Lightspeed-to-Shopify sync flow, review product/SKU mappings, connector settings, API logs/rate limits, duplicate products, legacy records, inventory locations, and any custom code or third-party jobs affecting stock updates. After stabilizing the sync, I can also give an honest recommendation on whether Lightspeed E-commerce makes sense long term. Relevant work includes: Shopify POS/inventory sync troubleshooting Catalog cleanup with duplicate SKU resolution Multi-location Shopify inventory mapping Ecommerce migration and connector audits Could you please clarify the following questions to help me better understand the project? 1. Which connector or app currently syncs Lightspeed Retail to Shopify? 2. Are duplicate SKUs being created in Shopify, Lightspeed, or both? 3. Do you use Shopify multi-location inventory? Regards, James Zappi
$50 USD in 40 days
7.2
7.2

Hello, I can help you get to the root of the Lightspeed Retail to Shopify stock mismatch and stop the manual fixes. During the Zoom session, I’ll trace the full sync flow, check product/SKU mapping, review connector timing and rate limits, and clean up duplicate or legacy items that may be resurfacing. I’ll also confirm why certain inventory updates aren’t reaching Shopify and give you a clear, honest view on whether moving to Lightspeed E-commerce makes sense long term. Regards, Parvesh M.
$15 USD in 21 days
6.3
6.3

I can troubleshoot the Lightspeed Retail–Shopify inventory sync with you during a live Zoom session, tracing the full synchronization flow to identify incorrect stock updates, missing inventory changes, duplicate SKUs, mapping problems, connector/API issues, and legacy product conflicts. I’ll help stabilize the current integration and document the root cause and required fixes. Once reviewed, I can also assess whether remaining on Shopify or moving to Lightspeed E-commerce makes more sense for your current setup and long-term needs.
$15 USD in 5 days
6.5
6.5

Your Shopify inventory drift is almost certainly caused by webhook failures or race conditions when Lightspeed fires multiple updates within seconds of each other. If the sync job does not queue updates or enforce idempotency, you will see phantom stock counts that never reconcile. Quick questions - are you hitting Shopify's 2-per-second API limit during bulk updates? And is the connector logging failed webhook deliveries so we can trace which SKU changes are being dropped? Here is the architectural approach: - LIGHTSPEED-SHOPIFY API: Audit the sync job for race conditions, implement a queue to batch updates, and add retry logic for failed webhooks so inventory changes propagate reliably. - MYSQL DATA CLEANUP: Query for duplicate SKUs across both systems, flag legacy products that should not sync, and build a reconciliation script to prevent old records from re-appearing. - LIGHTSPEED E-COMMERCE MIGRATION: Compare API capabilities, catalog structure, and long-term maintenance costs to determine if migrating off Shopify eliminates the integration layer entirely. I've debugged similar Lightspeed-Shopify sync failures for 2 retail clients where missing idempotency keys caused inventory chaos. Let's schedule a 90-minute Zoom session to trace the data flow live and fix the root cause before you waste more hours on manual adjustments.
$18 USD in 30 days
7.2
7.2

The painful part here isn’t the stock numbers themselves — it’s the sync pipeline quietly letting Shopify drift away from Lightspeed as the source of truth. When jobs mis-fire, SKUs are mapped twice, or a connector retries badly, you get “correct” quantities in Lightspeed and a mess in Shopify that you keep patching by hand. On Zoom, I’d start by diagramming the full flow: Lightspeed inventory changes → connector/custom code → Shopify API. Then we’d step through logs and job schedules to see where updates are dropped, delayed or overwritten. In parallel, I’d clean the catalog: identify duplicated/legacy products, normalize SKUs, and add guardrails so old records can’t reappear once sync is stable. If needed, a small reconciliation script can compare both systems nightly and flag mismatches. One thing I’d watch closely is whether multiple apps or scripts are writing to Shopify inventory; that’s a common source of “ghost” updates. A few focused questions: • Which integration are you using now (official Lightspeed app, custom, third‑party)? • Do you have multi‑location stock or just a single store feeding Shopify? • Are bundles/variants involved, or mostly simple SKUs? Once we’ve stabilized the sync, we can look honestly at whether Lightspeed E‑commerce would simplify your stack long‑term. Juan Pablo
$20 USD in 40 days
6.4
6.4

Hello, I have strong experience with Shopify, Lightspeed Retail, APIs, inventory synchronization, SKU mapping, and troubleshooting third party integrations. I can walk through the complete Lightspeed to Shopify sync during a live screen share, identify mapping issues, failed jobs, API limits, duplicate products, and legacy records, then stabilize the inventory flow so accurate quantities propagate reliably. I can also assess the current setup and give you an honest technical recommendation on whether Lightspeed E-commerce would be a better long term option. I can start immediately and would be happy to schedule the Zoom session
$20 USD in 40 days
6.5
6.5

Stock counts that are right in Lightspeed but wrong in Shopify usually come down to one of three things: SKU mapping drift, connector jobs silently dropping updates after hitting Shopify's API rate limit, or duplicate product records competing for the same inventory item. On the call I'd start by tracing one SKU end to end while you watch: what Lightspeed sends, what the connector queues, and what actually lands on the Shopify variant. That's usually where the missing updates show up, since most connectors retry a 429 a couple of times and then drop the change with no alert. The duplicating older SKUs are worth checking against Shopify's inventory item IDs too, because a re-created product gets a new item ID and the old one keeps its stale count. For the catalog cleanup I'd pull a full export of both sides into a sheet and match on SKU and barcode, so we can see exactly which records are legacy before deleting anything. I've worked on Shopify storefronts in React and TypeScript, and my day-to-day is data pipelines and API integrations, so debugging a feed like this is familiar ground. The Lightspeed E-commerce question I'd rather answer after seeing your catalog size and how much of your setup depends on Shopify apps, not before. We can book a 60 to 90 minute session this week and set it as the first milestone, with a written root-cause summary afterwards. Which connector are you using between the two systems, or is it custom code?
$20 USD in 40 days
6.1
6.1

Hello Dear, I’m Md Toriqul Islam, and I’m excited to partner with you & I can dive into your project immediately. I understand you want to resolve incorrect Shopify stock quantities and stabilize the Lightspeed Retail synchronization permanently. I have rich experience in Shopify, inventory integrations, APIs, product/SKU mapping, and third-party connectors. I am skilled in troubleshooting sync jobs, duplicate products, API limits, and historical catalog inconsistencies. I can review the complete sync workflow during a live Zoom session, identify the root cause, fix the issues, and assess whether Lightspeed E-commerce would be a better long-term solution. Best Regards, Md. Toriqul Islam
$15 USD in 40 days
6.2
6.2

Stock drift between Lightspeed and Shopify is almost always SKU mapping or a connector queue backing up silently, not the API itself. On the Zoom I'll trace the full sync path, find where updates get dropped, and map the duplicate legacy SKUs so they stop resurfacing once the feed is stable. Duplicates usually trace back to variants sharing a barcode across old and new product records. 1) Which connector sits between Lightspeed Retail and Shopify currently, or is it custom? 2) Roughly how many SKUs and how often do writes fire? Let's get this moving. Shayan
$19 USD in 40 days
5.7
5.7

==== Hi - Truong here ==== "LIGHTSPEED SHOPIFY INVENTORY SYNC FIX" — you need accurate stock numbers flowing between both systems. I would trace the full sync path from Lightspeed Retail to Shopify, checking product mapping, SKU matching, API limits, connector jobs, and duplicate records. The main goal is finding the real cause instead of manually correcting stock every day. I would review the existing catalog issues, clean old records safely, and confirm whether moving toward Lightspeed E-commerce makes sense after the sync is stable. My question: which connector or custom integration currently handles the Lightspeed-to-Shopify inventory sync? Looking forward to work with you
$20 USD in 40 days
5.8
5.8

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