10/21/2026 updated
100 % available
Systems Integration, Process Automation & AI Implementation Specialist
Warszawa, Poland
Only remote
IBM Project Manager Professional Certificate, Google Cybersecurity Professional CertificateAbout me
I connect systems that don't talk to each other: ERP, CRM, e-commerce, accounting, SMS. ~9 years of programming, AI integrations since 2022. Fixed scope, fixed price, milestone payments. Custom code where tools fall short, n8n or Make.com where they don't, so your team can maintain it.
OpenAILangChainApplication Programming Interfaces (APIs)AutomationCustomer Relationship ManagementBusiness Process AutomationData IntegrationDjangoEnterprise Resource PlanningPython (Programming Language)PostgreSQLProcess AutomationNext.jsSystems IntegrationTypeScript
Systems Integration & Workflow Automation
Expertise in connecting ERP, CRM, e-commerce, accounting, SMS and telephony systems using n8n, Make.com, REST APIs and webhooks. Self-hosted n8n setup on client infrastructure (Docker, Hetzner, Azure) with error handling and monitoring, as well as data flows between diverse business tools.
AI Implementation in Business Processes
Building customer-facing chatbots and assistants with human handoff, knowledge bases using RAG (hybrid semantic and full-text retrieval with rank fusion and LLM reranking), and AI agents running multi-step tasks across company systems using Claude, OpenAI and Gemini.
Python Backend Development
About 9 years of programming experience, primarily in Python (FastAPI, Django, Flask), with additional knowledge of PHP/Laravel, PostgreSQL and Redis. Development of custom integrations, pipelines and internal tools where off-the-shelf solutions fall short.
CRM Implementation, Migration & Automation
Working with HubSpot, Pipedrive, Salesforce, Zoho, GoHighLevel and monday.com. Data migration between systems, contact cleanup and deduplication, lead routing, automated follow-ups and webhook-based lead filtering.
ERP & Accounting Integrations
Integration with Comarch ERP Optima, Subiekt GT (direct SQL read access), TEMA and BaseLinker. E-invoicing integration with the Polish national system KSeF and invoicing tools such as Fakturownia, iFirma and wFirma.
E-commerce & Payment Integrations
Integration with PrestaShop, WooCommerce and BaseLinker. Payment gateway integrations including Stripe, PayU, Przelewy24 and Tpay.
Frontend Development
Building frontend applications using Next.js, React and TypeScript, including programmatic local SEO pages and interactive tools.
Data & Internal Tools
KPI dashboards using Streamlit and Metabase, web scraping, automated PDF document generation, and semi-automated B2B lead generation pipelines with AI agent scoring.
AI & LLM Tooling
Hands-on experience with Claude, OpenAI, Gemini, LangChain, LangGraph, Qdrant, hybrid search and reranking for building production-grade AI-powered systems.
AI-Accelerated Delivery
Multi-agent development workflows: a supervising agent plans and checks work against the agreed spec, worker agents implement, and a model from a different vendor cross-reviews the result. Reusable modules for recurring processes (order intake to ERP, invoicing, stock sync, document search) cut typical delivery from 3-12 weeks to 1-2 weeks. Every agent-written change is reviewed and tested before delivery; client code and data go only into tools the client has approved.
Experience
Professional experience5 - 10 years
Freelancer since2022
Languages
GermanBasic knowledgeEnglishFluentPolishNative speaker
Project history
Self-hosted n8n on a dedicated client server (Hetzner Cloud), connected to the TEMA ERP system and an SMS gateway, with connection testing as the foundation for automating order handling and customer notifications.
About 40 automation and integration projects for companies with 20-200 employees: wholesalers, accounting offices, service, manufacturing and logistics firms. Recurring scope: email orders into ERP, quotes built in Excel, invoices and corrections, stock sync, document search. n8n, Make and Zapier workflows connecting CRMs, ERPs, forms, email and calendars; custom Python services where tools fall short; AI for document processing, smart replies and decision support. Example: order intake module for a ~100-person B2B distributor cut manual order entry into enova from 40 to 8 hours a week and reduced shipping errors by 92%.
B2B sales automation startup. Responsible for architecture and the technical side of the product.