Flutter developer in Warsaw

Nikan Halinouski

I build apps for everyday work: ordering, goods receiving, CRM. They feel native and keep working when the connection drops. These days I’m at XIAG AG.

3 apps shipped, one more on the way
Nikan Halinouski in Warsaw
XIAG AG, in production

HOGA

A B2B ordering app for catering, retail and clinics in Switzerland. Suppliers sell through one platform; buyers order from all of them with a single cart.

  • Works offline
  • Barcode scanning with camera or hardware scanner
  • English, German, French and Italian
HOGA product catalog with prices and add-to-cart
XIAG AG, companion app

HOGA Check

The other half of the workflow: receiving. Track order status, check deliveries against what was ordered, and send a receiving advice right from the ramp.

  • Orders filtered by vendor, date and cost center
  • Receiving advice works offline too
HOGA Check orders list with delivery status
DataMola, web and iOS

Management CRM

A CRM for car dealers and lease brokers in the US. Deals from lead to closing, invoicing, documents. Built in Flutter for web and iOS.

  • Deal tracking, tasks and outreach in one place
  • Document upload and preview, light and dark themes
Management CRM deals list
Career

Version history

  1. v2.x
    XIAG AG & CVT
    Flutter developer, Aug 2023 - Present (3 yrs 1 mo)
    Building the HOGA platform: the ordering app and its receiving companion, HOGA Check.
    CURRENT
  2. beta
    PJATK, Warsaw
    BSc Computer Science, Feb 2025 - Present (1 yr 7 mos)
    Polish-Japanese Academy of Information Technology. Studying there now.
    IN PROGRESS
  3. v1.x
    DataMola
    Flutter developer, May 2021 - Aug 2023 (2 yrs 4 mos)
    Built Management CRM for web and iOS with a small product team.
  4. v0.x
    BSUIR, Minsk
    Software for computer technologies, Sep 2017 - May 2021 (3 yrs 9 mos)
    Belarusian State University of Informatics and Radioelectronics. Where it started.
Stack in production
FlutterDartBLoCMobXRiverpodOffline-first architecture
Contact

Say hi.

Email is the fastest way. LinkedIn works too. English, Polish or Russian, whatever suits you.