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Backend Jobs in Konstancin-Jeziorna
Backend Developer
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Senior Software Engineer, Core Identity (Auth0)
Okta
Barcelona, Remote
Employment contract
Senior
TypeScript
JavaScript
MongoDB
Senior Oracle Siebel Developer
Reply Polska
Katowice, Remote
B2B contract
Senior
21 000 - 29 500 PLN
Java
SQL
REST API
Software Engineer (SAP BTP) | f/
m/
d
ERGO Technology & Services S.A.
Warsaw, Gdansk
Employment contract
Mid/Regular
SAP S/4HANA
iFlows
Groovy
Senior Software Engineer - Observability
Elastic
Remote
Employment contract
Senior
OpenTelemetry
Docker
Kubernetes
Backend Engineer, SaaS platform
Veeam
Remote
Employment contract
Senior
Od 22 900 PLN
SaaS
Docker
Kubernetes
Python Engineer
Veeva Systems
Barcelona, Remote
Employment contract/Other
Senior
Django
GraphQL
React
Senior Software Developer - React Native
Luxoft DXC
Remote
Employment contract
Senior
JavaScript
Java
Kotlin
Senior Mainframe Developer
Luxoft DXC
Remote
Employment contract
Senior
JCL
CICS
DB2
Avaloq Developer
Luxoft DXC
Warsaw
Employment contract
Mid/Regular
Avaloq Script
SQL
APM/
Observability Engineer (Presales Engineer)
TeamQuest
Warsaw
B2B contract/Employment contract
Senior
12 000 - 16 000 PLN
Kubernetes
Jenkins
Java
Dynamics 365 Commerce/
POS Developer
TeamQuest
Warsaw, Remote
B2B contract/Employment contract
Junior
18 000 - 20 000 PLN
X++
C#
TypeScript
Senior Algorithm Developer (Java/
Kotlin)
TeamQuest
Remote
B2B contract
Senior
23 000 - 30 000 PLN
Java
MongoDB
Azure Function
Senior Backend Java Developer
TeamQuest
Warsaw
B2B contract
Senior
28 000 - 35 000 PLN
Kafka
gRPC
REST
Fullstack PHP Developer
TeamQuest
Warsaw
B2B contract/Employment contract
Mid/Regular
15 000 - 22 000 PLN
Laravel
React
MySQL
Senior Application Support Specialist (SimCorp)
ERGO Technology & Services S.A.
Warsaw, Gdansk
Employment contract
Senior
SQL
Crystal Reports
Software Engineer (IAM) | f/
m/
d
ERGO Technology & Services S.A.
Warsaw, Gdansk
Employment contract
Mid/Regular
.NET
C#
PowerShell
Senior Software Engineer (SAP ABAP Developer) | f/
m/
d
ERGO Technology & Services S.A.
Warsaw, Gdansk
Employment contract
Senior
SAP Fiori
BTP
BizTalk
Senior Software Engineer (.NET /
Azure) | f/
m/
d
ERGO Technology & Services S.A.
Warsaw, Gdansk
Employment contract
Senior
C#
Azure
Terraform
Software Engineer (JavaScript) | f/
m/
d
ERGO Technology & Services S.A.
Warsaw, Gdansk
Employment contract
Mid/Regular
TypeScript
React
Node.js
Full Stack Developer (PHP&Angular)
Altamira
Remote
Employment contract
Senior
Angular
Yii2
Elasticsearch
Senior Software Engineer, Java
BitPanda
Barcelona, Remote
Employment contract
Senior
Spring Boot
PostgreSQL
MongoDB
Python Practice Leader/
Engineering Manager
Provectus
Belgrade, Wroclaw +2
Belgrade
Wroclaw
Warsaw
Remote
B2B contract
Lead / Principal
Django
Flask
FastAPI
Senior Software Engineer (ML) - Car Experience
Waymo
Warsaw
Employment contract
Senior
C++
Google Cloud
Spanner
Python/
Airflow developer
Luxoft DXC
Remote
Employment contract
Mid/Regular
Airflow
Docker
Kubernetes
Senior C#/
.NET Developer
Luxoft DXC
Remote
Employment contract
Senior
.NET
MongoDB
React
Fullstack PHP Developer
TeamQuest
Warsaw
B2B contract/Employment contract
Mid/Regular
15 000 - 22 000 PLN
Laravel
React
MySQL
Senior Algorithm Developer (Java/
Kotlin)
TeamQuest
Remote
B2B contract
Senior
23 000 - 30 000 PLN
Java
MongoDB
Azure Function
Senior Backend Java Developer
TeamQuest
Warsaw
B2B contract
Senior
28 000 - 35 000 PLN
Kafka
gRPC
REST
Software Engineer (Python–GenAI) | f/
m/
d
ERGO Technology & Services S.A.
Gdansk, Warsaw
Employment contract
Mid/Regular
Azure OpenAI
Azure Machine Learning
Kubernetes
Senior Software Engineer (TM1) | f/
m/
d
ERGO Technology & Services S.A.
Warsaw, Gdansk
Employment contract
Senior
IBM Planning and Analytics
TI
Fullstack Software Engineer
CaptivateIQ
Remote
Employment contract
Senior
React
Python
PostgreSQL
Data Engineer
CaptivateIQ
Remote
Employment contract
Senior
Python
SQL
Workato
Software Engineer - Core Voice
Vonage
Remote
Employment contract
Mid/Regular
AWS
Asterisk
OpenSIPs
Software Engineer
Acutane
Zielona Góra, Remote
Employment contract
Senior
Od 15 000 PLN
.NET
TypeScript
JavaScript
Senior Python Developer
Luxoft DXC
Remote
Employment contract
Senior
FastAPI
LangChain
LlamaIndex
Senior Java BackEnd engineer
Luxoft DXC
Remote
Employment contract
Senior
Spring Boot
Hibernate
AWS
Fullstack Java Developer
Devire
Warsaw
B2B contract
Mid/Regular
22 400 - 28 800 PLN
Spring
JavaScript
Angular
C# Developer
Devire
Warsaw
B2B contract
Mid/Regular
19 200 - 22 400 PLN
.NET
REST WebAPI
MS SQL
Software Engineer
Ensono
Remote
Employment contract
Mid/Regular
Kubernetes
Docker
ServiceNow
Senior Software Engineer II
Samsara
Remote
Employment contract
Senior
AWS Lambda
GraphQL
Snowflake
Senior .NET Backend Engineer
N-iX
Remote
Employment contract
Senior
C#
Kubernetes
Azure
Senior Software Engineer (Data-Focused)
DoiT
Remote
Employment contract/Other
Senior
TypeScript
SQL
Kubernetes
Senior Software Engineer (Data-Focused)
DoiT
Remote
Employment contract/Other
Senior
TypeScript
SQL
Kubernetes
Senior Software Engineer
Legend
Warsaw
Employment contract
Senior
TypeScript
Java
.NET
AI Machine Learning R&D Engineer
Welocalize
Lisbon, Dublin +1
Lisbon
Dublin
Remote
Employment contract
Mid/Regular
TensorFlow
Docker
AWS
C/
C++ Software Engineer - Redis Server team
Redis
Remote
Employment contract
Senior
C++
Redis
Staff Backend Engineer
Fresha
Warsaw
B2B contract
Lead / Principal
Od 25 000 PLN
microservices
Senior Backend Engineer
Readdle
Warsaw, Remote
Employment contract
Senior
Kubernetes
AWS
GCP
Backend Technical Lead Manager - TaaS
Waymo
Warsaw
Employment contract
Lead / Principal
C++
Spanner
Protocol Buffers
Senior Software Engineer (.NET/
Azure/
Terraform) | f/
m/
d
ERGO Technology & Services S.A.
Warsaw, Gdansk
Employment contract
Senior
Azure
Terraform
C#
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