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Serhii YanovSY

Serhii Yanov

Full-Stack Developer

€250/day
Bayreuth, DE
15+ years

Average response time: 1 hour

About Serhii

🔧 Full-Stack Developer • Web & ERP Integrator • Data & AI Automation Expert

I develop modern, scalable web solutions using PHP, Python, Java, SQL and frameworks such as FastAPI, Yii1/2, Laravel, and Flask. I specialize in full-stack development for corporate websites, CRM/ERP systems, and analytics dashboards.

Key expertise:

🔹 Website development using Bitrix CMS, WordPress, or custom PHP/Python solutions

🔹 Bitrix24 customizations: CRM entities, smart-processes, business logic, webhooks, REST API, UI widgets

🔹 Backend/API development with Python (FastAPI), PHP, Java

🔹 Integration with 1C, Odoo, Shopify, KeyCRM via REST/OData/Kafka

🔹 Analytics & BI: Data pipelines in ClickHouse, dashboards in Power BI

🔹 AI/ML: Automating tasks with GPT-based models and training custom solutions

🔹 Infrastructure: Docker, Proxmox, Linux, CI/CD

I help businesses automate processes, analyze data, and streamline digital workflows by combining clean code with deep process understanding. Whether it’s building a Bitrix24-based system, a modern website, or an AI-powered backend — I bring fast and reliable results with long-term support.

Let’s turn your ideas into working digital products — efficiently and intelligently.
  • Ukrainian

    Native or bilingual

  • English

    Conversational

  • German

    Basic

  • Russian

    Native or bilingual

Can work on-site
Bayreuth (up to 50km)

Experience

  • Private Practice,
    Software/System Architect and Developer
    June 2017 - October 2023 (6 years and 4 months)
    Dnipro, Dnipropetrovsk Oblast, Ukraine, 49000
    Experienced software developer in developing cross-platform applications, business solutions, AI chatbots, and automation solutions. Possesses deep knowledge in the field of databases, network and system architecture, as well as project management and implementation skills. Key Achievements:
    • Developed and implemented 20 cross-platform applications for Windows, Linux, Android.
    • Developed a large number of business solutions on the 1C Enterprise platform and over 30 mobile applications for Android.
    • Integrated and extended the functionality of 50 CRMs, ERPs, frameworks, and websites.
    • Developed a large number custom solutions for CRM, ERP, frameworks, and web platforms (bitrix24, odoo, wordpress, opencart...).
    • Implemented 10 AI chatbots.
    • Developed a lot of 30 software solutions for automating warehouse operations, loading and unloading.
    • Built IT infrastructure from scratch, both technically and programmatically, and equipped retail outlets at more than 20 enterprises.
  • Biosphere Corporation,
    Analyst-Programmer of Information Systems
    March 2016 - June 2017 (1 year and 3 months)
    Dnipro, Dnipropetrovsk Oblast, Ukraine, 49000
    • Developed operations control system within accounting system, leading to enhanced operational efficiency, reduced risks, and improved corporate resource management.
    • Debugged and modified account software components.
    • Provided technical support using knowledge of complex technology to solve problems and support new projects.
    • Contributed to continual improvement and innovation within IT and corporate process
  • Exim Textile LLC,
    IT Director
    August 2013 - March 2016 (2 years and 7 months)
    Dnipro, Dnipropetrovsk Oblast, Ukraine, 49000
    • Collaborated with cross-functional teams to provide optimal technology support for various departments within company.
    • Designed and deployed server and network infrastructure to support the implementation, ongoing maintenance, and enhancements of the 1C Enterprise Resource Planning (ERP) system. I developed and implemented software and infrastructure for tracking issued products, generating barcodes and labels for released items, and monitoring warehouse and logistics operations from production to delivery to the company's warehouse and subsequent sale. This allowed for streamlining and accelerating warehouse operations and significantly reducing the time required for receiving and shipping goods.

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Education

  • Specialist's Degree in Transport
    Dnipro National University of Railway Transport
    2003
    Specialist's Degree in Transport

Skill set

Categories