Pawel is available for hire

Pawel Mantur

Verified Expert in Engineering

Software Developer

Location

Warsaw, Poland

Toptal 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.

SQL C#LINQ Windows Microsoft Visual Studio Microsoft SQL Server .NET jQuery ASP.NET Java Redis Agile Unit Testing MySQL T-SQL (Transact-SQL)Enterprise Architecture

Portfolio

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), Apache Maven, Eclipse...

Experience

SQL - 8 years .NET - 7 years C# - 7 years jQuery - 5 years JavaScript - 5 years Entity 6 - 3 years Java - 2 years PHP - 2 years

Availability

Part-time

Preferred Environment

Azure, Visual Studio Code (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.

Work Experience

Software Architect | Team Leader

2018 - 2020

Mash

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

Epicode

Worked as the solution architect of emplo.com (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), Apache Maven, Eclipse, Linux, Robot Framework, Mockito, JUnit, CSS, MySQL, REST, Hibernate, Spring, Java

Software Engineer

2012 - 2012

Vitalograph

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 (WinForms), 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 pracuj.pl portal: built a search engine that searched offers, recommendation algorithms, tools for applicants, and built an eCommerce portal for customers.
Developed a website: erecruiter.pl - a leading Polish applicant-tracking system.
Developed an internal CMS and intranet.
Created code generators used by the software team.

Technologies: Windows Forms (WinForms), Enterprise Architecture, MongoDB, SQL Server Reporting Services (SSRS), SQL Server Integration Services (SSIS), SQL, Web Forms, ASP.NET MVC, C#

Experience

Emplo | SaaS Platform

A SaaS platform for integrating many HR tools.

Pracuj.pl | Website

http://www.pracuj.pl/

The biggest Polish job-board in the country.

eRecruiter.pl | Website

http://erecruiter.pl/

A leading Polish applicant-tracking system.

Spirotrac | Software

https://vitalograph.co.uk/product/161412/spirotrac

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

PabloundPaul.com | Website

http://www.pabloundpaul.com/de/

Built this online art gallery.

Amirior.de | Website

http://amirior.de/

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.

Skills

Languages

SQL, C#, Java, JavaScript, PHP, CSS, T-SQL (Transact-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, Apache Maven, Subversion (SVN), Hudson, Visual Studio 2010, TFS, Microsoft Access, Autofac, Ninject, PhpStorm, IntelliJ IDEA, 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, Visual Studio Code (VS Code)

Storage

Redis, Microsoft SQL Server, Web Forms, SQL Server Integration Services (SSIS), SQL Server Reporting Services (SSRS), MongoDB, MySQL

Other

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

Education

2005 - 2010

Master's Degree in Computer Science

University of Warsaw - Warsaw, Poland

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