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Backend Jobs in Warsaw
Warsaw
Backend Developer
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Software Engineer (ML Ops, AI Model Operationalization)
ERGO Technology & Services S.A.
Warsaw, Gdansk
Employment contract
Mid/Regular
MLOps
AI
Python
Java Software Developer
Luxoft DXC
Warsaw
Employment contract
Mid/Regular
Java 17
Concurrency
Algorithms
Python Team Leader
Devire
Warsaw
B2B contract
Lead / Principal
24 000 - 28 800 PLN
Django
DRF
Celery
Software Engineer (Java)
Kyriba
Warsaw
Employment contract
Junior
Oracle Database
JPA
Spring
Senior Java Backend Developer
NN Group
Warsaw
Contractor
Senior
Senior Java Developer
emagine Polska
Warsaw, Remote
B2B contract
Mid/Regular
Do 25 600 PLN
Spring
Hibernate
Maven
Software Engineer (SAP CPI)
ERGO Technology & Services S.A.
Gdansk, Warsaw
Employment contract
Mid/Regular
SAP PI/PO
Web Services
oData
.Net Developer
Netcompany Poland Sp. z o.o.
Warsaw
B2B contract/Employment contract
Mid/Regular
8 000 - 12 000 PLN
.NET Core
C#
Entity Framework Core
Java Developer
Netcompany Poland Sp. z o.o.
Warsaw
B2B contract/Employment contract
Mid/Regular
8 000 - 12 000 PLN
Spring
Spring Boot
React
Software Engineer - Securities Settlement - GBM
Goldman Sachs
Warsaw
Serverless
AWS
GCP
Java Software Engineer - Securities Lending Technology
Goldman Sachs
Warsaw
Spring Boot
Kafka
React
Software Engineer (AEM)
ERGO Technology & Services S.A.
Warsaw, Gdansk
Employment contract
Mid/Regular
Java
JCR
OSGi
Senior Software Engineer (AEM)
ERGO Technology & Services S.A.
Warsaw, Gdansk
Employment contract
Senior
Java
JCR
OSGi
Middle Java Software Engineer
IDT
Warsaw, Tbilisi +2
Warsaw
Tbilisi
Minsk
Remote
Contractor
Mid/Regular
Spring
NoSQL
CI/CD
Java Developer
Devire
Warsaw
B2B contract
Mid/Regular
22 400 - 25 600 PLN
Spring
REST APIs
jUnit
AI Engineer (banking sector)
Accenture Polska
Bialystok, Warsaw
Employment contract
Senior
Python
TypeScript
Azure
Software Engineer (Python–GenAI)
ERGO Technology & Services S.A.
Gdansk, Warsaw
Employment contract
Mid/Regular
Azure OpenAI
Azure Machine Learning
Cognitive Services
Software Engineer SAP BTP
ERGO Technology & Services S.A.
Warsaw, Gdansk
Employment contract
Mid/Regular
SAP S/4HANA
SAP Integration Suite
CPI
Java Developer (Capital Markets or Banking) Internship Program (She/
He/
They)
Accenture Polska
Warsaw
Part-time
Internship
Capital Markets
Banking
SQL
System Integration (Mulesoft) Internship Program
Accenture Polska
Warsaw
Part-time
Internship
integration
API
Java
Senior Java API Developer with Capital Markets
Luxoft DXC
Warsaw
Employment contract
Senior
API
Capital Markets
ClickHouse
Senior Java Developer
Devire
Warsaw
B2B contract
Senior
25 600 - 27 200 PLN
microservices
distributed systems
API design
Java Developer
Devire
Warsaw
B2B contract
Mid/Regular
25 600 - 28 800 PLN
Python
C++
Hazelcast
Product Owner
BSH Sprzęt Gospodarstwa Domowego Sp. z o.o
Warsaw
Employment contract
Mid/Regular
cloud APIs
microservices
SAFe
Senior Backend Engineer – Go /
EKS /
WebSockets & Reverse Proxy (IoT at Scale)
BSH Sprzęt Gospodarstwa Domowego Sp. z o.o
Warsaw
Employment contract
Senior
EKS
WebSockets
Reverse Proxy
Senior Software Engineer (SAP ABAP Developer)
ERGO Technology & Services S.A.
Warsaw, Gdansk
Employment contract
Senior
SAP
ABAP
CDS Views
Senior Software Engineer (.NET /
Azure)
ERGO Technology & Services S.A.
Warsaw, Gdansk
Employment contract
Senior
Azure
C#
CQRS
Senior Software Engineer (ServiceNow)
ERGO Technology & Services S.A.
Warsaw, Gdansk
Employment contract
Senior
ITSM
ITOM
SAM
Senior C#/
C++ Developer
Luxoft DXC
Warsaw
Employment contract
Senior
C++
SQL
Python
Dynamics CRM Developer
Accenture Polska
Warsaw
B2B contract
Mid/Regular
Dynamics CRM
C#
.NET Framework
Senior Golang Software Engineer
IDT
Warsaw, Minsk +4
Warsaw
Minsk
Tbilisi
Madrid
Yerevan
Remote
Contractor
Senior
AWS
Docker
Git
Lead .NET Software Engineer
IDT
Warsaw, Minsk +2
Warsaw
Minsk
Tbilisi
Remote
Contractor
Lead / Principal
C#
AWS
Kubernetes
.NET Developer
Aristocrat
Warszawa
Employment contract
Mid/Regular
Do 6 200 USD
.NET Framework
.NET Core
C#
Java Developer
Devire
Warsaw
B2B contract
Mid/Regular
20 800 - 24 000 PLN
Angular
Cobol
SOA
Senior Software Engineer (IAM)
ERGO Technology & Services S.A.
Warsaw, Gdansk
Employment contract
Senior
.NET Developer
Aristocrat
Warsaw
Employment contract
Mid/Regular
Do 6 200 USD
.NET Framework
.NET Core
C#
Java Software Engineering Manager
Goldman Sachs
Warsaw
RESTful web services
distributed systems
microservices
Senior Salesforce Fullstack Software Engineer
Goldman Sachs
Warsaw
Salesforce Lightning
Visual Force
Apex
Senior Software Engineer
ERGO Technology & Services S.A.
Warsaw, Gdansk
Employment contract
Senior
Developer - Operations and Portfolio Analytics
SimCorp
Warsaw
Employment contract
Mid/Regular
APL
.NET
Winforms
Senior Java Engineer
IDT
Warsaw, Tbilisi +2
Warsaw
Tbilisi
Minsk
Remote
Contractor
Senior
Spring
Docker
NoSQL
Staff Backend Engineer
Fresha
Warsaw
B2B contract
Senior
microservices
serverless
SQS
Senior Software Engineer
Legend
Warsaw
Employment contract
Senior
TypeScript
Java
.NET/C#
Software Engineer, Elixir (Wireless)
Telnyx
Krakow, Warsaw +1
Krakow
Warsaw
Remote
B2B contract
Senior
Erlang
RabbitMQ
Kafka
Lead Software Engineer, Metal Runtime
Tenstorrent
Warsaw, Remote
Employment contract
Lead / Principal
C++
System Programming
Runtime Optimization
C++ Machine Learning Engineer, Models Training
Tenstorrent
Gdansk, Warsaw +1
Gdansk
Warsaw
Remote
Employment contract
Mid/Regular
Machine Learning
PyTorch
RISC-V
Software Engineer, Acceleration Kernel Development
Tenstorrent
Gdansk, Warsaw +1
Gdansk
Warsaw
Remote
Employment contract
Mid/Regular
Machine Learning
High-Performance Computing
RISC-V
Senior Back End Engineer
Readdle
Warsaw, Remote
Employment contract
Senior
backend
distributed systems
high-load services
Backend Technical Lead Manager
Waymo
Warsaw
Employment contract
Lead / Principal
Spanner
Flume
Borg
Power Platform Developer
Accenture Polska
Warsaw, Katowice +3
Warsaw
Katowice
Krakow
Lodz
Gdansk
B2B contract/Employment contract
Mid/Regular
Power Apps
Power Automate
Power Virtual Agents
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