Pawel Mantur, Software Developer in Warsaw, Poland
Pawel Mantur

Software Developer in Warsaw, Poland

Member since September 29, 2016
Pawel is a software engineer and architect with more than 12 years of commercial experience and a CS master's degree. He is focused on mobile development (C#, Xamarin. Forms), web development (ASP.NET Core, Rest APIs, Blazor), and eCommerce (WooCommerce plugin development). Pawel likes to help others turn their ideas into working and profitable business cases.
Pawel is now available for hire


  • Mash
    React, REST APIs, Microservices, Azure DevOps, Kubernetes, Azure, .NET Core...
  • Epicode
    New Relic, HAProxy, Octopus Deploy, TeamCity, ReSharper, Visual Studio, Git...
  • ICON plc
    Ext JS, jQuery, JavaScript, Hudson, Subversion (SVN), Maven, Eclipse, Linux...



Warsaw, Poland



Preferred Environment

Azure, VS Code, Docker, Git, Visual Studio, Windows

The most amazing...

...thing was to help to build a new software development team in Warsaw for Helsinki-based international fintech.


  • Software Architect | Team Leader

    2018 - 2020
    • Helped to build a new software development team in Warsaw for Helsinki-based international fintech.
    • Worked on architecture design, code reviews, coding infrastructure building blocks, and business logic.
    • Designed architecture for step-by-step migration from a monolith system to microservices.
    • Worked on recruitment, building team culture, and supporting personal development.
    Technologies: React, REST APIs, Microservices, Azure DevOps, Kubernetes, Azure, .NET Core, .NET 4, C#
  • CTO | Engineering Lead

    2013 - 2018
    • Worked as the solution architect of (SaaS platform for HR) and other (smaller) projects.
    • Led a team of over ten developers (back-end, front-end, web, mobile, tests, and DevOps).
    • Designed and developed multi-tier applications including database, business logic, tests, front-end, API, mobile clients, and integrations.
    • Supported business analysis, providing estimations, recruiting, and code reviews.
    • Was accountable for production and staging environments.
    • Reviewed and supported the development of web and mobile applications created by other developers (Android, iOS, PHP, WordPress, and Symfony 2).
    Technologies: New Relic, HAProxy, Octopus Deploy, TeamCity, ReSharper, Visual Studio, Git, Azure, Redis, HTML, JavaScript, Entity Framework, Microsoft SQL Server, ASP.NET, C#, .NET
  • Software Engineer

    2012 - 2013
    ICON plc
    • Developed a Java back-end that processed clinical trials and was data compliant with the ODM standard.
    • Developed the front-end in ExtJS, using a REST API.
    • Worked on a CMS for medical personnel training content.
    • Designed and wrote integration tests in the Robot Framework.
    • Designed and wrote unit tests.
    Technologies: Ext JS, jQuery, JavaScript, Hudson, Subversion (SVN), Maven, Eclipse, Linux, Robot Framework, Mockito, JUnit, CSS, MySQL, REST, Hibernate, Spring, Java
  • Software Engineer

    2012 - 2012
    • Implementing algorithms analyzing spirometry data.
    • Integrated Windows desktop medical software with medical device firmware.
    • Implemented clinical trials handling logic.
    • Customized software for specific customers and clinical trials.
    • Designed and developed unit tests.
    Technologies: Microsoft Access, TFS, Visual Studio 2010, .NET, Windows Forms, C#
  • Software Developer

    2008 - 2011
    Grupra Pracuj
    • Worked for the biggest job-board in the Polish market, a leader in the local HR industry.
    • Worked on portal: built a search engine that searched offers, recommendation algorithms, tools for applicants, and built an eCommerce portal for customers.
    • Developed a website: - a leading Polish applicant-tracking system.
    • Developed an internal CMS and intranet.
    • Created code generators used by the software team.
    Technologies: WinForms, Enterprise Architecture, MongoDB, SSRS, SQL Server Integration Services (SSIS), SQL, Web Forms, ASP.NET MVC, C#


  • Emplo | SaaS Platform

    A SaaS platform for integrating many HR tools.

  • | Website

    The biggest Polish job-board in the country.

  • | Website

    A leading Polish applicant-tracking system.

  • Spirotrac | Software

    Built this software that powers medical workstations used for performing spirometry tests.

  • | Website

    Built this online art gallery.

  • | Website

    Developed this eCommerce for home interiors with an advanced design feature that allows the customer to ask for custom-made products.

  • Firecrest Clinical Portal | Website

    A portal used by clinical trail teams.

  • Debt Collection Software

    This software categorizes scanned documents and also has an application for planning off-site actions.

  • Hunt Me | App

    An Android app that allows the user to apply for IT job offers easily.


  • Languages

    SQL, C#, Java, JavaScript, PHP, CSS, T-SQL, HTML
  • Frameworks

    Entity 6, ASP.NET, .NET, Spring, Hibernate, JUnit, Mockito, ASP.NET MVC, .NET 4, Symfony 2, Windows PowerShell, Robot Framework, .NET Core, Ext JS
  • Libraries/APIs

    LINQ, jQuery, Entity Framework, Windows Forms, WinForms, REST APIs, React, Backbone.js
  • Tools

    Microsoft Visual Studio, Visual Studio, Git, Maven, Subversion (SVN), Hudson, Visual Studio 2010, TFS, Microsoft Access, SSRS, VS Code, Autofac, Ninject, PhpStorm, IntelliJ, ReSharper, TeamCity
  • Paradigms

    REST, Azure DevOps, Microservices, Model View Controller (MVC), Dependency Injection, Unit Testing, Agile
  • Platforms

    Windows, New Relic, Eclipse, Docker, Kubernetes, Xamarin, Linux, Azure, Android
  • Storage

    Redis, Microsoft SQL Server, Web Forms, SQL Server Integration Services (SSIS), MongoDB, MySQL
  • Other

    Ajax, Octopus Deploy, Identity Server, Enterprise Architecture, System Architecture, HAProxy


  • Master's Degree in Computer Science
    2005 - 2010
    University of Warsaw - Warsaw, Poland

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