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DL-REG · Project register

Case studies in marketplace engineering

Projects for marketplace sellers, agencies, enterprises and research teams: marketplace integrations, SaaS products, custom-product automation, API migrations, compliance and performance work.

EU 14 projectsUS-S 13 projectsUS-E 12 projectsSEA 7 projectsUS-W 4 projectsME 4 projectsEA 4 projectsSA 3 projectsCA 2 projectsAF 2 projectsMX 1 project

Every published project.

  1. DL-001Amazon SP-API optimization for an agencyVASO Group's data platform made heavy SP-API GET calls. We audited usage, moved it to notifications and reports, and cut GET volume by over 85% before Amazon's 2026 fees.Vaso Group · USA01Audit02Stabilize
  2. DL-002FBM and FBA Amazon orders automationHisco's Amazon scripts broke during the MWS to SP-API transition. We rebuilt the codebase on SP-API, then automated FBM and FBA orders end to end into their ERP.Hisco Inc. · USA02Stabilize03Build
  3. DL-003Acorn: SaaS for Amazon sellersGreenwald Brands ran a 7-figure Amazon wholesale business on third-party tools and Google Sheets. We built Acorn as their internal system, then turned it into a SaaS for Amazon sellers.Greenwald Brands · USA03Build
  4. DL-004Automated monitoring system for an Amazon agencyeGrowth Partners' account managers logged into each client's Seller Central many times a day. We built a monitor that pulls compliance data from the SP-API and raises Jira tasks.eGrowth Partners · USA03Build
  5. DL-005Monitoring tool for Amazon algorithm researchUniversity of Bologna researchers studied Amazon's pricing algorithms. We built a Buy Box monitoring and repricing tool that gathered data on millions of products and sellers.University of Bologna · Italy03Build
  6. DL-006Adapter for Amazon SP-API authenticationOrion's orders ran in a legacy Visual FoxPro app that could not authenticate to the SP-API. We built a connector that handles authentication and proxies requests.Orion · USA03Build04Secure
  7. DL-007Custom repricing software for a European sellerPakTrade checked and adjusted Amazon prices by hand across European marketplaces. We built repricing software driven by per-ASIN rules in Google Sheets, running around the clock.PakTrade · Austria03Build
  8. DL-008Custom software for tracking prices and BuyBox winnersBolt About needed current lowest-price data for 500 ASINs on Amazon. We built a scheduled data connector between Google Sheets and the Keepa API that keeps the sheet up to date.Bolt About · USA03Build
  9. DL-009Amazon MWS to SP-API migration for a top 20 sellerBigFly's MWS code was over six years old and no longer supported. We migrated it to the SP-API, rebuilt FBM order and listing management and made the scripts faster.Big Fly · USA02Stabilize03Build
  10. DL-010Amazon SP-API consulting for a custom apparel sellerAnn Arbor Tees wanted its own systems on Amazon. In a 20-hour consulting package they set up the SP-API, applied for PII roles and automated two processes.Ann Arbor Tees · USA04Secure03Build
  11. DL-011Google Sheets automation for a bookkeeping companyRidge Paragon downloaded Seller Central and Ads reports by hand for every client. We built a data system that aggregates SP-API and Ads API data into Google Sheets dashboards.Ridge Paragon · USA03Build
  12. DL-012Data extraction for a global drivetrain supplierDana wanted strategic decisions backed by millions of competitor data points. We built 25 custom scrapers and an ETL pipeline that loads standardised data into their cloud databases.Dana Inc. · USA03Build
  13. DL-013Fully automated car auction platformSwiss Auto's staff entered vehicle listings by hand. We built an auction platform fed daily by scrapers across Swiss insurance, leasing and bailiff sources, with live bidding and a rebrand.Swiss Auto · Switzerland03Build
  14. DL-014Order automation for an Amazon seller with custom printing productsWraplab formatted every custom mug order from Amazon by hand before sending it to the printer. We automated the path from SP-API customization data to print-ready files.Wraplab · France03Build
  15. DL-015Taking over a product-research SaaS that kept stallingA product-research SaaS for Amazon sellers inherited an app that stalled under load. Our audit found it spent almost all its time waiting; we fixed the core, rebuilt it and kept running it.Name withheld · US South01Audit02Stabilize03Build
  16. DL-016Adding Walmart to a SaaS built for Amazon sellersA SaaS for Amazon sellers wanted Walmart too. We led it through Solution Provider onboarding and built the connection, data refresh and product matching.Name withheld · US South03Build
  17. DL-017Rescuing an inherited Amazon advertising SaaS on deadlineAn inherited Amazon advertising SaaS faced retiring Ads API endpoints. We audited it, migrated the API before Amazon's deadline and modernised its infrastructure.Name withheld · US South01Audit02Stabilize04Secure
  18. DL-018Architecture audit of a catalogue-mirroring Amazon repricerAn Amazon reseller's repricer copied large parts of Amazon's catalogue and could not keep up. A fixed-scope audit showed the code was sound and the limit was SP-API itself.Name withheld · US South01Audit
  19. DL-019Taking over a reseller SaaS and trimming its cloud billA SaaS for Amazon and Walmart resellers changed engineering teams. We took over the platform, reduced its AWS costs and upgraded its databases.Name withheld · United States02Stabilize
  20. DL-020Amazon data platform for an advertising agencyAn Amazon Ads agency wanted its own data layer instead of rented reporting tools. We built a platform that loads seller, vendor, Ads and DSP data into BigQuery.Name withheld · Germany03Build02Stabilize
  21. DL-021One integration hub for an apparel manufacturer's sales channelsAn apparel manufacturer sold on Amazon, its own stores and wholesale portals. We replaced legacy MWS code with one serverless hub linking its ERP to every channel.Name withheld · US East03Build02Stabilize
  22. DL-022Early FBA inbound tool on Amazon's Inbound API v2024A multi-brand Amazon seller had to plan large FBA shipments on Amazon's new inbound API before the old workflow was retired. We built one of the first tools on it.Name withheld · US West03Build
  23. DL-023Warehouse picking and shipping app for CountryMaxA tablet app for CountryMax that streams Amazon orders in, guides pickers and shippers, and routes orders across warehouses.CountryMax · New York, USA03Build02Stabilize
  24. DL-024Print-on-demand ERP for a personalised vinyl sellerA seller of personalised vinyl products ran more than a dozen Amazon accounts. We built an ERP that turns custom orders into print files, packed sheet layouts and shipping labels.Name withheld · US East03Build
  25. DL-025One print-file engine for several personalised-product sellersSeveral sellers of personalised products laid out Amazon Custom orders by hand. We adapted one print-file engine to each of them: orders in, print-ready batches out.Name withheld · United States03Build
  26. DL-026Custom-orders portal for a print shop and its freelancersA print shop owner handled every personalised order personally. We built a portal that receives orders in real time, hands jobs to freelancers without exposing prices, and later added Etsy.Name withheld · US West03Build
  27. DL-027Multi-tenant portal for an FBA prep centre, on the AppstoreAn FBA prep and logistics company wanted sellers to book inbound work themselves. We built a multi-tenant portal, listed as a public Appstore app, with the MVP live in about six weeks.Name withheld · US South03Build
  28. DL-028Underwriting-grade Amazon financials for a revenue-based lenderA revenue-based lender needed Amazon numbers it could underwrite on. We built income and expense workbooks from finance and ads data, reconciled to Seller Central.Name withheld · US South03Build
  29. DL-029Vendor-to-Seller conversion tracker for a reseller's brand portfolioA reseller moves brands from Amazon Vendor Central onto its own seller accounts. We joined both sides in one warehouse, with dashboards showing where each brand stands in that move.Name withheld · US South03Build
  30. DL-030Vendor Central and Ads reporting in Power BIA vendor-management agency needed one reporting layer for the brands it runs on Vendor Central. We built a warehouse fed by Vendor and Ads reports, presented in Power BI.Name withheld · Germany03Build
  31. DL-031Amazon seller data turned into SAP interface filesA multi-brand health and beauty group needed its Amazon sales, stock and payouts in SAP. We built a daily service that writes Amazon data as SAP interface files.Name withheld · France03Build
  32. DL-032Multichannel order and inventory sync for a fitness brandA fitness-equipment brand sold on several marketplaces through one platform. We built a serverless connector that keeps orders, tracking and stock in step.Name withheld · Canada03Build02Stabilize
  33. DL-033FBM orders API between Amazon and an ERPAn apparel manufacturer fulfils its own Amazon orders from an in-house ERP. We built a small serverless API that hands the ERP every order and confirms shipments back.Name withheld · US East03Build
  34. DL-034A middleware API that shields the ERP from SP-APIA personalised-products seller wanted its ERP to talk to Amazon without learning SP-API. We built a middleware API that speaks plain REST and handles Amazon's reports, feeds and tokens.Name withheld · Poland03Build02Stabilize
  35. DL-035MWS to SP-API and feed migration for a textbook sellerA textbook seller ran Amazon on its own Python scripts. We moved them from MWS to SP-API, then replaced retired feeds, keeping the file formats its team already used.Name withheld · US South02Stabilize03Build
  36. DL-036Price-history scoring of book ASINs for a booksellerA bookseller needed to know which titles would sell at a profit before buying stock. We scored book ASINs from their price history and moved its in-house systems onto SP-API.Name withheld · US South03Build02Stabilize
  37. DL-037Restricted data access approvals for Amazon software teamsERP vendors, sellers and integrators need buyer data from Amazon for labels, invoices and fulfilment. We prepare their private and public apps for restricted data access review.Name withheld · Poland04Secure
  38. DL-038Security readiness review for a multi-tenant SP-API appA SaaS for Amazon sellers faced Amazon's data-protection assessment. We reviewed its cloud setup, tested a dev environment and checked tenant isolation first.Name withheld · Israel01Audit04Secure
  39. DL-039LLM product matching for Amazon Business sourcingA B2B supplier matched quote lines to products by hand. In a paid research phase we built a prototype that scores Amazon Business matches for a person to approve.Name withheld · US East01Audit03Build
  40. DL-040Amazon Vendor data architecture for a Japanese electronics brandA consumer electronics manufacturer needed to connect its Amazon Vendor operations with SAP without replacing its existing enterprise systems.Name withheld · Japan01Audit03Build
  41. DL-041Walmart Marketplace API consulting for US expansionA Japanese home goods brand preparing to enter Walmart Marketplace needed an integration strategy for its American operations.Name withheld · Japan01Audit
  42. DL-042Amazon Vendor forecasting and purchase order consultingA Korean consumer goods supplier needed a more reliable way to interpret Amazon retail demand and coordinate replenishment.Name withheld · South Korea01Audit02Stabilize
  43. DL-043Amazon and Walmart API architecture review for an eCommerce SaaSA software platform serving marketplace sellers needed to resolve integration instability before onboarding more customers.Name withheld · Singapore01Audit02Stabilize
  44. DL-044Vendor chargeback reconciliation for an international distributorA distributor supplying Amazon Retail needed to connect deductions and payment discrepancies to its finance system.Name withheld · Singapore01Audit03Build
  45. DL-045Barcode-driven FBA preparation for a wholesale warehouseA wholesale operator needed to replace spreadsheet-based Amazon FBA preparation with a controlled warehouse workflow.Name withheld · Japan03Build02Stabilize
  46. DL-046Expiry-aware warehouse automation for a food distributorA food distributor selling through multiple channels needed warehouse workflows that accounted for expiry dates and inventory batches.Name withheld · Thailand01Audit03Build
  47. DL-047Inventory replenishment workflows for a multi-brand Amazon sellerA multi-brand seller needed to coordinate purchasing decisions across suppliers, warehouses and Amazon FBA.Name withheld · Israel03Build
  48. DL-048Unified commercial data layer for Shopee, Lazada and TikTok ShopA fast-growing beauty brand needed comparable commercial reporting across Southeast Asian marketplaces.Name withheld · Thailand03Build
  49. DL-049SAP S/4HANA integration for a regional eCommerce distributorAn international distributor needed to connect marketplace product information and inventory to its enterprise ERP.Name withheld · Singapore01Audit03Build
  50. DL-050Mercado Libre and Amazon Brazil integration with SAP Business OneA Brazilian automotive parts distributor needed marketplace operations connected to its existing ERP and fiscal workflows.Name withheld · Brazil03Build02Stabilize
  51. DL-051Marketplace settlement reconciliation with Oracle NetSuiteA Colombian retail group needed reliable financial data from online marketplaces inside its central ERP.Name withheld · Colombia01Audit03Build
  52. DL-052Amazon SP-API security and restricted data readiness for a SaaS platformAn Amazon software provider needed to strengthen its security architecture before expanding features requiring restricted buyer information.Name withheld · Israel01Audit04Secure
  53. DL-053Amazon.sa and noon order integration with Odoo ERPA Saudi electronics retailer needed to synchronize marketplace orders, inventory and finance processes with Odoo.Name withheld · Saudi Arabia01Audit03Build
  54. DL-054Order and cash-on-delivery reconciliation for an African retailerA retail business operating across online channels needed to understand fulfilment, failed deliveries and final cash collections.Name withheld · Nigeria01Audit03Build
  55. DL-055Personalized Amazon order automation for a POD manufacturerA manufacturer selling personalized products needed to transfer customer customization files directly into its production workflow.Name withheld · Thailand01Audit03Build
  56. DL-056Cross-border API architecture for an Amazon and Walmart US sellerAn Argentine brand selling to American customers needed to restructure the systems connecting its US marketplaces and fulfilment partners.Name withheld · Argentina01Audit02Stabilize
  57. DL-057Unauthorized marketplace seller monitoring for a consumer brandA consumer brand selling through authorized retail partners needed visibility into unauthorized marketplace listings and inconsistent product content.Name withheld · US East01Audit03Build
  58. DL-058Retail media incrementality measurement for a beauty groupA beauty group investing heavily in marketplace advertising needed to separate advertising-attributed sales from broader changes in retail demand.Name withheld · France01Audit03Build
  59. DL-059AI-assisted product localization across European marketplacesA fashion brand managing thousands of product variations needed a controlled way to prepare marketplace content across multiple languages and regional catalogues.Name withheld · Italy03Build04Secure
  60. DL-060Seller onboarding automation for a B2B marketplace operatorA B2B marketplace operator needed to scale supplier onboarding without increasing the manual workload of its compliance and marketplace operations teams.Name withheld · Spain01Audit03Build04Secure
  61. DL-061AI-powered warranty triage for an online appliance retailerAn online appliance retailer needed to organize warranty requests and reduce the amount of repetitive work handled by its support team.Name withheld · United Kingdom01Audit03Build
  62. DL-062Margin-protected marketplace repricing for an electronics distributorAn electronics distributor selling through competitive marketplaces needed to automate price updates while maintaining minimum contribution margins.Name withheld · Turkey01Audit03Build02Stabilize
  63. DL-063WhatsApp-to-ERP ordering for a wholesale distributorA wholesale distributor needed to convert informal WhatsApp conversations with repeat customers into structured sales orders.Name withheld · Mexico03Build
  64. DL-064Offline-first warehouse scanning for unstable connectivityA logistics operator needed its warehouse scanning workflows to continue operating during network interruptions and local infrastructure outages.Name withheld · South Africa02Stabilize03Build
  65. DL-065Flash-sale inventory protection for a marketplace retailerA marketplace retailer running frequent promotional campaigns needed to reduce overselling during periods of unusually high order volume.Name withheld · Indonesia01Audit02Stabilize03Build
  66. DL-066Cross-border landed-cost analytics for an apparel importerA Canadian apparel company needed to understand true profitability by product after allocating international freight, duties and other import-related costs.Name withheld · Canada01Audit03Build

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