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Malt Strategy
Maciej JanuchowskiMJ

Maciej Januchowski

Senior Software Engineer

€640/day
Berlin, DE
15+ years
C#
.NET
Back-End development
MySQL
Microservices

Average response time: 1 hour

About Maciej

Certified software developer with many years of experience. Participation in each stage of software development cycle: defining requirements, design, implementation, testing and maintenance. Very strong analytical skills. High level of communication and interpersonal skills. Fast learner, passionate and enthusiastic about his work.
Digital and IT Services

  • English

    Native or bilingual

  • German

    Conversational

  • Polish

    Native or bilingual

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

Experience

  • SellerX / formerly KW-Commerce
    Senior Software Engineer
    E-COMMERCE
    January 2020 - May 2025 (5 years and 4 months)
    Berlin, Germany
    Main responsibilities:
    • design and development of microservices synchronizing data between systems
    • modify existing services to work with different ERP
    • legacy code refactoring, optimization, adding tests, move to cloud, adding CI/CD
    Technologies and methodologies: C#, MySQL, SQL Server, Docker, K8s, AWS, RESTful, .NET Core, .NET Framework, AMQP, Kanban, GitHub flow
    C# .NET Microservices MySQL Docker
  • Chal-Tec GmbH
    Senior C#-Developer
    E-COMMERCE
    January 2017 - December 2018 (1 year and 11 months)
    Berlin, Germany
    Main responsibilities:
    • design and development of system integrating new WMS system with ERP system
    • development and optimization of in-house middleware system to manipulate and transfer data between ERP, web shops in different channels etc.
    • legacy code optimization and refactoring
    Technologies and methodologies: C#, MS SQL, MSMQ, WCF, RESTful, ASP.NET MVC, GitFlow, Scrum
    C# .NET API REST Back-End development
  • FACTON GmbH
    Software Development Engineer
    AUTOMOBILE
    December 2015 - December 2016 (1 year)
    Potsdam, BB, Germany
    Main responsibilities:
    • design and development of customer specific modules in close cooperation with consulting department
    • development of integration services as an interface between customer and FACTON EPC data
    • legacy code optimization, refactoring, adding unit tests
    Technologies and methodologies: C#, MS SQL, TFS, TeamCity, SVN, RESTful, XSLT, XSD, XML, TDD with Nunit and Moq, dependency injection and AOP with Unity, WPF, StyleCop, CodeAnalysis, Scrum, Kanban
    C# .NET Back-End development
Check out Maciej's experience

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Education

  • Master of Science in
    Szczecin University of Technology
    2002
    Master of Science in
  • six MCP certificates in area of C#, .NET Framework, MS SQL, Web Services Driving license B category
    six MCP certificates in area of C#, .NET Framework, MS SQL, Web Services Driving license B category

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