Michał Grabarczyk

Michał Grabarczyk

Barcelona, Cataluña, España
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I’m interested in software development, mainly Java and JVM based languages, but have no…

Actividad

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Experiencia

  • Gráfico YND
  • -

  • -

    Warsaw, Masovian District, Poland

  • -

    Warsaw, Masovian District, Poland

  • -

    Warsaw, Masovian District, Poland

  • -

Educación

Licencias y certificaciones

  • Gráfico Oracle Certified Professional, Java SE 8 Programmer

    Oracle Certified Professional, Java SE 8 Programmer

    Oracle

    Expedición:
  • Gráfico Sun Certified Programmer Java SE 6

    Sun Certified Programmer Java SE 6

    Sun Microsystems

    Expedición:
  • Gráfico IBM Mastering Requirements Management with Use Cases

    IBM Mastering Requirements Management with Use Cases

    IBM

    Expedición:
  • Gráfico IBM Certified Application Developer

    IBM Certified Application Developer

    IBM

    Expedición:

Proyectos

  • Congrify - payment data unification

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    Service for collecting, unifying and visualizing payment data.

    I've added integrations with payment providers (Adyen, Checkout.com).
    I've created a part of earlier POC for the project for the data ingestion part.

    java 11-18, spring boot, junit 5, elasticsearch, aws lambda, sns, sqs
    poc only: typescript, aws sam

  • Kodypay - payment solution

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    Order and payment solution

    I've implemented POS integrations for product inventory synchronization and order propagation (rest api).

    kotlin, vert.x, coroutines, arrow-kt, postgresql, junit 5

  • Mobile wallet, p2p payments

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    mobile wallet, peer to peer payments with a dedicated offers marketplace

    I designed and built a set of services, based on Java 8 and Spring Boot, acting as a mobile API, backoffice analytics application, and an Anti-Money Laundering module.

    java 8, spring boot, elasticsearch, vavr, spock,

  • Travel reservation system

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    Business rules engine to help a global online travel broker manage pricing rules for hotel and flight reservations.

    I designed and built a Business Rules Management System based on Drools. The system was exposed as a REST API based on Java 8 and Spring Boot.

    java 1.8, spring boot, vavr, immutables, drools, clean architecture, rest api, gradle, postgres

Idiomas

  • English

    Competencia profesional completa

  • Russian

    Competencia bilingüe o nativa

  • Polish

    Competencia bilingüe o nativa

  • French

    Competencia básica limitada

  • Spanish

    Competencia básica profesional

  • Greek

    Competencia básica

  • Catalan

    Competencia básica limitada

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