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Backend Jobs in Olsztyn
Olsztyn
Backend Developer
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Senior Blockchain Engineer
MoonPay
Barcelona, Bucharest +5
Barcelona
Bucharest
Lisbon
Krakow
London
New York City
Remote
Employment contract
Senior
Web3
DeFi
NFTs
Java&Kotlin Developer
Devire
Remote
B2B contract
Mid/Regular
20 800 - 25 600 PLN
Kotlin
Spring
SQL
Mainframe (z/
OS, Assembler) Developer
TeamQuest
Rzeszów, Remote
B2B contract/Employment contract
Senior
28 000 - 38 000 PLN
z/OS
Mainframe
IBM
Mainframe (z/
OS, Assembler) Developer
TeamQuest
Lodz, Remote
B2B contract/Employment contract
Senior
28 000 - 38 000 PLN
z/OS
Mainframe
IBM
Mainframe (z/
OS, Assembler) Developer
TeamQuest
Lublin, Remote
B2B contract/Employment contract
Senior
28 000 - 38 000 PLN
z/OS
Mainframe
COBOL
Mainframe (z/
OS, Assembler) Developer
TeamQuest
Wroclaw, Remote
B2B contract/Employment contract
Senior
28 000 - 38 000 PLN
z/OS
Mainframe
HLASM
Mainframe (z/
OS, Assembler) Developer
TeamQuest
Poznan, Remote
B2B contract/Employment contract
Senior
28 000 - 38 000 PLN
z/OS
Mainframe
IBM
Senior Java Developer
emagine Polska
Warsaw, Remote
B2B contract
Mid/Regular
Do 25 600 PLN
Spring
Hibernate
Maven
Senior Software Engineer
Acutane
Zielona Góra, Remote
Employment contract
Senior
Do 20 600 PLN
TypeScript
JavaScript
Amazon Web Services
Senior Oracle Siebel Developer
Reply Polska
Remote
B2B contract/Employment contract
Senior
21 000 - 29 500 PLN
Siebel EAI
RESTApi
EIM
.NET Developer
emagine Polska
Remote
B2B contract
Mid/Regular
19 200 - 20 800 PLN
Lead Python Developer (with GenAI)
1dea
Remote
B2B contract
Lead / Principal
28 000 - 32 000 PLN
GenAI
Django
Flask
Senior Python Developer with GenAI
1dea
Remote
Contractor
Senior
24 000 - 29 600 PLN
Python
GenAI
LLM
Kotlin Developer
TeamQuest
Krakow, Remote
B2B contract
Senior
20 000 - 28 000 PLN
Android
backend
PHP
Software Engineer .Net
TeamQuest
Gdansk, Remote
B2B contract
Senior
21 000 - 28 000 PLN
.NET Core
Microsoft SQL Server
Angular
Kotlin Developer
TeamQuest
Katowice, Remote
B2B contract
Senior
20 000 - 28 000 PLN
Android
backend
PHP
Software Engineer .Net
TeamQuest
Bialystok, Remote
B2B contract
Senior
21 000 - 28 000 PLN
.NET Core
Microsoft SQL Server
Angular
Delphi Programmer
TeamQuest
Gdansk, Remote
B2B contract
Mid/Regular
14 000 - 18 000 PLN
XML
SOAP
SVN
Delphi Programmer
TeamQuest
Lublin, Remote
B2B contract
Mid/Regular
14 000 - 18 000 PLN
XML
SOAP
Webservice
Delphi Programmer
TeamQuest
Katowice, Remote
B2B contract
Mid/Regular
14 000 - 18 000 PLN
XML
SOAP
Webservice
Delphi Programmer
TeamQuest
Warsaw, Remote
B2B contract
Mid/Regular
14 000 - 18 000 PLN
XML
SOAP
WebServices
Delphi Programmer
TeamQuest
Bialystok, Remote
B2B contract
Mid/Regular
14 000 - 18 000 PLN
XML
SOAP
Webservice
Delphi Programmer
TeamQuest
Lodz, Remote
B2B contract
Mid/Regular
14 000 - 18 000 PLN
XML
SOAP
Webservice
Delphi Programmer
TeamQuest
Wroclaw, Remote
B2B contract
Mid/Regular
14 000 - 18 000 PLN
XML
SOAP
Webservice
Delphi Programmer
TeamQuest
Krakow, Remote
B2B contract
Mid/Regular
14 000 - 18 000 PLN
XML
SOAP
Webservices
Delphi Programmer
TeamQuest
Poznan, Remote
B2B contract
Mid/Regular
14 000 - 18 000 PLN
XML
SOAP
Webservice
Mainframe (z/
OS, Assembler) Developer
TeamQuest
Lodz, Remote
B2B contract/Employment contract
Senior
28 000 - 38 000 PLN
z/OS
Mainframe
IBM
Mainframe (z/
OS, Assembler) Developer
TeamQuest
Lublin, Remote
B2B contract/Employment contract
Senior
28 000 - 38 000 PLN
z/OS
Mainframe
HLASM
Mainframe (z/
OS, Assembler) Developer
TeamQuest
Poznan, Remote
B2B contract/Employment contract
Senior
28 000 - 38 000 PLN
z/OS
Mainframe
COBOL
Mainframe (z/
OS, Assembler) Developer
TeamQuest
Krakow, Remote
B2B contract/Employment contract
Senior
28 000 - 38 000 PLN
z/OS
Mainframe
HLASM
Mainframe (z/
OS, Assembler) Developer
TeamQuest
Wroclaw, Remote
B2B contract/Employment contract
Senior
28 000 - 38 000 PLN
z/OS
Mainframe
HLASM
Senior Blockchain Engineer
Devire
Remote
B2B contract
Senior
24 300 - 28 500 PLN
Kotlin Developer
TeamQuest
Krakow, Remote
B2B contract
Senior
20 000 - 28 000 PLN
Android
backend
PHP
Kotlin Developer
TeamQuest
Katowice, Remote
B2B contract
Senior
20 000 - 28 000 PLN
Android
backend
PHP
Software Engineer .Net
TeamQuest
Gdansk, Remote
B2B contract
Senior
21 000 - 28 000 PLN
.NET Core
Microsoft SQL Server
Angular
Mid Fullstack Developer (.NET, React)
emagine Polska
Warsaw, Remote
Contractor
Mid/Regular
Do 25 600 PLN
.NET
React
SQL Server
Delphi Programmer
TeamQuest
Bialystok, Remote
B2B contract
Mid/Regular
14 000 - 18 000 PLN
XML
SOAP
Webservice
Delphi Programmer
TeamQuest
Krakow, Remote
B2B contract
Mid/Regular
14 000 - 18 000 PLN
XML
SOAP
WebServices
Delphi Programmer
TeamQuest
Gdansk, Remote
B2B contract
Mid/Regular
14 000 - 18 000 PLN
XML
SOAP
SVN
Delphi Programmer
TeamQuest
Warsaw, Remote
B2B contract
Mid/Regular
14 000 - 18 000 PLN
XML
SOAP
Webservice
Delphi Programmer
TeamQuest
Poznan, Remote
B2B contract
Mid/Regular
14 000 - 18 000 PLN
XML
SOAP
Webservice
Delphi Programmer
TeamQuest
Lublin, Remote
B2B contract
Mid/Regular
14 000 - 18 000 PLN
XML
SOAP
Webservice
Delphi Programmer
TeamQuest
Lodz, Remote
B2B contract
Mid/Regular
14 000 - 18 000 PLN
XML
SOAP
Webservice
Delphi Programmer
TeamQuest
Katowice, Remote
B2B contract
Mid/Regular
14 000 - 18 000 PLN
XML
SOAP
Webservice
Delphi Programmer
TeamQuest
Wroclaw, Remote
B2B contract
Mid/Regular
14 000 - 18 000 PLN
XML
SOAP
Webservice
Developer Microsoft Dynamics 365 Finance & Operations (D365 F&O)
TeamQuest
Warsaw, Remote
B2B contract
Mid/Regular
22 000 - 27 000 PLN
X++
C#
SQL Server
Senior Data & Billing Integration Engineer
Develocraft
Remote
B2B contract
Senior
Oracle Database
SQL
ETL
Senior Backend Engineer (L5-L6)
Apollo.io
Remote
Employment contract
Senior
28 000 - 39 000 PLN
Python
React
TypeScript
Platform Engineer
Sporty Group
Remote
Other
Mid/Regular
Spring Boot
Kubernetes
Docker
Senior Backend Engineer
Sporty Group
Remote
Other
Senior
Spring Boot
Spring Cloud
Spring Data
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