01
Python API Integration & Data Synchronization
Connect APIs, business applications and databases with reliable one-way or two-way data flows built around your workflow.
Explore this service INDEPENDENT SOFTWARE DEVELOPER
Good software.
Less busywork.
Python Developer for API Integrations & Business Automation
I’m Serhii. I build Python integrations and automations that connect APIs, business systems, ecommerce platforms, and supplier data — replacing repetitive manual work with reliable workflows.
15 years of software development experience.
5.0 ★ Fiverr seller · 240+ reviews · Level 2
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TOOLS I WORK WITH
PythonDjangoFastAPIShopifyPostgreSQLDocker
From a single API connection to a complete supplier sync, I build around the workflow you actually need.
02
Shopify Inventory Sync & Supplier Integration
Automate Shopify stock, prices and product updates from supplier APIs, feeds, spreadsheets and other data sources.
Explore this service03
Supplier Feed Automation & Inventory Sync
Transform and synchronize supplier inventory, pricing and catalog data across ecommerce, POS, ERP/PIM, databases and other systems.
Explore this serviceTypical workflows I automate
CRM ↔ ERP
Customer, order, and status synchronization
API → Database
Fetch, normalize, and store external business data
Supplier → Ecommerce
Inventory, pricing, and product catalog updates
Shopify ↔ Supplier
Stock, variants, locations, and pricing synchronization
Orders → Fulfillment
Send orders and return tracking/status information
02 / THE DEVELOPER BEHIND THE CODEA direct line to
A direct line to
the person building it.
Serhii Ria.
BASED IN UKRAINE · WORKING WORLDWIDE
I’m Serhii Ria. I bring 15 years of software development experience to practical integrations and business automation.
My focus is connecting business applications, keeping ecommerce and supplier data consistent, and replacing repetitive tasks with dependable workflows.
I personally build the software and work directly with you, from the first conversation through testing and handover.
Built for your workflowClear rules before we write code.
Yours to run and extendSource code and a useful handover.
03 / A STRAIGHTFORWARD PROCESSFrom “can this be automated?”
From “can this be automated?”
to “it’s taken care of.”
Tell me what gets in the way.
Share your systems, a sample file or API docs, and what a successful result looks like.
Agree on a clear plan.
I review the workflow and confirm the scope, deliverables and quote through Fiverr.
Build, test and hand over.
I implement the agreed solution, test the data flow and explain how to operate it.
LET’S BUILD SOMETHING USEFULLess manual work.
Less manual work.
More room to grow.
Tell me what your team is doing manually or which systems need to exchange data. I’ll help you work out a practical automation approach.
Discuss your project on Fiverr
Send a short brief, API documentation or a sample file. We’ll work out the details together.