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Backend Developer jobs
Backend Developer
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Software Engineer – Applied AI Research – Vice President
Goldman Sachs
Warsaw
C++
Java
Machine Learning
Server Developer
Wargaming
Vilnius
Employment contract
Senior
From 4 000 EUR
Python
Linux
CMake
Staff AI Software Engineer
Aircall
Madrid
Employment contract
Senior
TypeScript
Python
AWS
Applied AI, Forward Deployed Machine Learning Engineer - EMEA
Mistral AI
Paris, London +4
Paris
London
Luxembourg
Amsterdam
Munich
Lausanne
Employment contract
Mid/Regular
PyTorch
LLM
Site Reliability Developer
WatchGuard Technologies, Inc.
Madrid, Valencia
Employment contract
Senior
Java
Docker
Kubernetes
Staff/
Lead Python Engineer (ML Platform/
Ops)
Mimica
Amsterdam, Stockholm +5
Amsterdam
Stockholm
Warsaw
London
Berlin
Toronto
Remote
Employment contract
Lead / Principal
ML
GenAI
LLM
Applied AI Engineer
Monq Ltd
Remote
Employment contract/Other
Senior
LLM
SAP
Oracle Database
Lead Engineer, Python (ML)
Tide
Sofia, Remote
Other
Lead / Principal
Django
FastAPI
Flask
Lead Engineer, Python (ML)
Tide
Remote
Other
Lead / Principal
From 5 900 EUR
Django
FastAPI
Flask
Kondor or 4 Sight - Technical Analyst- Capital Markets
Luxoft DXC
Remote
Employment contract
Mid/Regular
Shell Script
PL/SQL
Groovy
Senior SW Engineer (Backend - events)
Luxoft DXC
Gdansk, Krakow +2
Gdansk
Krakow
Warsaw
Wroclaw
Employment contract
Senior
Python
ML Ops
AWS
Senior Middleware Engineer (Linux, C++)
Luxoft DXC
Gdansk, Krakow +2
Gdansk
Krakow
Warsaw
Wroclaw
Employment contract
Senior
Linux
C
Python
Senior Quant Software Developer
Luxoft DXC
Krakow
Employment contract
Senior
PySpark
SQL
Dash
Senior Full Stack Developer (experience with Angular, Postgresql, Python)
TeamQuest
Lodz
B2B contract
Senior
25 000 - 30 000 PLN
PostgreSQL
Python
PL/pgSQL
Senior Software Engineer
Aircall
Madrid
Employment contract
Senior
TypeScript
AWS
Python
Cloud Dev Engineer (AWS) | f/
m/
d
ERGO Technology & Services S.A.
Warsaw, Gdansk
Employment contract
Mid/Regular
Lambda
.NET
C#
Regular developer (Shell scripting, Python, Java)
Luxoft DXC
Gdansk, Krakow +2
Gdansk
Krakow
Warsaw
Wroclaw
Employment contract
Mid/Regular
Shell Scripting
Java
Spring Boot
Senior GoLang Engineer (with cloud experience)
TeamQuest
Lublin, Remote
B2B contract
Senior
25 000 - 30 000 PLN
AWS
Kubernetes
Terraform
Senior GoLang Engineer (with cloud experience)
TeamQuest
Lodz, Remote
B2B contract
Senior
25 000 - 30 000 PLN
AWS
Kubernetes
Terraform
Senior GoLang Engineer (with cloud experience)
TeamQuest
Bialystok, Remote
B2B contract
Senior
25 000 - 30 000 PLN
AWS
Kubernetes
Terraform
Senior GoLang Engineer (with cloud experience)
TeamQuest
Warsaw, Remote
B2B contract
Senior
25 000 - 30 000 PLN
AWS
Kubernetes
Terraform
Senior GoLang Engineer (with cloud experience)
TeamQuest
Krakow, Remote
B2B contract
Senior
25 000 - 30 000 PLN
AWS
Kubernetes
Terraform
Senior GoLang Engineer (with cloud experience)
TeamQuest
Katowice, Remote
B2B contract
Senior
25 000 - 30 000 PLN
AWS
Kubernetes
Terraform
Senior GoLang Engineer (with cloud experience)
TeamQuest
Poznan, Remote
B2B contract
Senior
25 000 - 30 000 PLN
AWS
Kubernetes
Terraform
Software Engineer – Python/
Java – Vice President
Goldman Sachs
Warsaw
Python
Java
Spring
Software Engineer (Python–GenAI) | f/
m/
d
ERGO Technology & Services S.A.
Gdansk, Warsaw
Employment contract
Mid/Regular
Azure OpenAI
Azure Machine Learning
Docker
Senior Software Developer
Luxoft DXC
Krakow, Wroclaw
Employment contract
Senior
C++
Linux
Shell
Senior Backend Engineer (Cloud)
Luxoft DXC
Gdansk, Krakow +2
Gdansk
Krakow
Warsaw
Wroclaw
Employment contract
Senior
Python
Go
AWS
Senior GoLang Engineer (with cloud experience)
TeamQuest
Lublin, Remote
B2B contract
Senior
25 000 - 30 000 PLN
AWS
Kubernetes
Terraform
Senior GoLang Engineer (with cloud experience)
TeamQuest
Krakow, Remote
B2B contract
Senior
25 000 - 30 000 PLN
AWS
Kubernetes
Terraform
Senior GoLang Engineer (with cloud experience)
TeamQuest
Katowice, Remote
B2B contract
Senior
25 000 - 30 000 PLN
AWS
Kubernetes
Terraform
Senior GoLang Engineer (with cloud experience)
TeamQuest
Bialystok, Remote
B2B contract
Senior
25 000 - 30 000 PLN
AWS
Kubernetes
Terraform
Senior GoLang Engineer (with cloud experience)
TeamQuest
Poznan, Remote
B2B contract
Senior
25 000 - 30 000 PLN
AWS
Kubernetes
Terraform
Senior GoLang Engineer (with cloud experience)
TeamQuest
Lodz, Remote
B2B contract
Senior
25 000 - 30 000 PLN
AWS
Kubernetes
Terraform
Senior GoLang Engineer (with cloud experience)
TeamQuest
Wroclaw, Remote
B2B contract
Senior
25 000 - 30 000 PLN
AWS
Kubernetes
Terraform
Senior Full Stack Developer (experience with Angular, Postgresql, Python)
TeamQuest
Lodz
B2B contract
Senior
25 000 - 30 000 PLN
PostgreSQL
Python
PL/pgSQL
Staff Software Engineer, Backend
Jobgether
Remote
Employment contract
Lead / Principal
distributed systems
payments infrastructure
Staff Software Engineer, Backend
Jobgether
Remote
Employment contract
Lead / Principal
distributed systems
payments infrastructure
Python Engineer
Kayak
Vilnius, Remote
Employment contract
Junior
From 3 000 EUR
Django
NumPy
Pandas
Big Data Engineer (Java+Spark)
Devire
Warsaw
B2B contract
Mid/Regular
17 600 - 28 800 PLN
Java
Scala
Python
Senior GoLang Engineer (with cloud experience)
TeamQuest
Rzeszów, Remote
B2B contract
Senior
25 000 - 30 000 PLN
AWS
Kubernetes
Terraform
Senior Backend Software Engineer, DevEx
HighlightTA
Remote
Employment contract
Senior
From 6 000 GBP
Python
Go
Kubernetes
Senior Software Engineer, Content Ingestion
Muck Rack
Remote
Other
Senior
From 2 300 EUR
Kafka
gRPC
Protocol Buffers
Principal Solutions Engineer - Integration Specialist
SimCorp
London
Employment contract
Lead / Principal
Python
Java
JavaScript
Senior Python Engineer
N-iX
Remote
Other
Senior
GCP
Flask
Terraform
Senior Cloud Software Engineer
Twilio
Remote
Employment contract
Senior
Python
Java
Go
Software Engineer (Python & R) | f/
m/
d
ERGO Technology & Services S.A.
Warsaw, Gdansk
Employment contract
Mid/Regular
R
Docker
Kubernetes
Senior AI Python Engineer
Nearform
London, Remote
Employment contract
Senior
Git
Senior Developer Advocate (Video Content Creator)
Elastic
Remote
Employment contract
Senior
Python
Java
Kubernetes
Senior Software Engineer
Twilio
Remote
Employment contract
Senior
Kubernetes
AWS
Python
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