Jakub K.
Bielsko-Biała, Poland
100%
Job Success
Top Rated
Experienced backend developer (.Net, SQL, network security)
$37.50/hr
I'm developer with over 10 years of experience in IT. I like ambitious projects and working with creative people.
In my everyday work I deal with very large systems and databases (for example distributed system of 450 departments with hierarchical data replication). I have experience in every phase of IT system life cycle starting from analysis through development and implementation ending with deployment and maintenance.
My skills:
Networking (CCNA, CCNA Security)
Servers Administration (Windows / Linux)
Developer (C#, Java, Android, PowerBuilder)
Databases (Oracle, Sybase, PostgreSQL, MS SQL)
Analyzing and modeling IT systems
Work history
Addition to Custom Warehouse Scanning Software
5.00
Sep 29, 2023
-
Feb 5, 2024
"Great to work with! Will hire in the future again"
Private earnings
Addition to Custom Warehouse Scanning Software
5.00
Jul 20, 2018
-
Apr 14, 2023
"Jakub was amazing to work with and completed a complex project on time. We couldn't have been happier"
Private earnings
SQL Developer
Aug 21, 2014
-
Nov 8, 2022
No feedback given
Private earnings
Senior SQL Developer
5.00
Feb 12, 2014
-
Nov 18, 2021
"Jakub is excellent Senior SQL Developer - one of the best I have ever met in SQL field. He is very talented man, proactive and supportive. Wish you good luck…
Private earnings
Explain 60 lines of SQL code
5.00
Mar 12, 2019
-
Mar 12, 2019
Private earnings
A .exe file which runs from another program
5.00
Mar 1, 2019
-
Mar 2, 2019
"I would recommend to anyone who is looking for a network expert which is experience and both adding value to helping you achieve your solutions. I would definitely be sure…
Private earnings
CSS developing and WEB design and UI for applications
5.00
Mar 11, 2014
-
Dec 27, 2018
Private earnings
Build SQL database to Track Box Content
5.00
Nov 26, 2015
-
Jul 20, 2018
"Project finished on time and was exactly what we wanted"
Private earnings
.net development
4.85
Jul 20, 2018
-
Jul 20, 2018
Private earnings
DB Specialist
5.00
Oct 19, 2015
-
Feb 5, 2018
"Thank you very much for Support!"
Private earnings
C# development project
Mar 9, 2020
-
Present
Job in progress
Private earnings
MS SQL server DBA
Jun 9, 2015
-
Present
Job in progress
Private earnings
C# Developer to Write Multiple Database Integrations
Mar 26, 2015
-
Present
Job in progress
Private earnings
Senior SQL DBA for consulting
Dec 16, 2014
-
Present
Job in progress
Private earnings
solid commerce integration
Aug 29, 2014
-
Present
Job in progress
Private earnings
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