784 java English-speaking jobs in Warsaw

technologies-expected : Kotlin Java TypeScript JavaScript React.js PostgreSQL MongoDB Elasticsearch ... Commercial experience with Kotlin, Java, Python, TypeScript, JavaScript, or similar backend-oriented

-Proficiency in Java(Spring, Hibernate) and Angular and JavaScript programming languages. ... Language Expertise: Expertise in one or more general development languages (e.g., Java, Angular, NodeJS ... -Experience with Write utilities / automation tools using Selenium, Java, REST, Python, Groovy, and more

cross-functional team Nice to have: PySpark, SQL, Airflow, Jenkins, OpenShift, Git, Docker, Kubernetes, Java

Basic proficiency in at least one of the following programming languages: Python, Scala, Java, or Bash ... Lambda, Athena, AWS S3, Snowflake, Docker, Terraform, CloudFormation, Kafka, Airflow, Python, Scala, Java

services.Experience building and operating scalable, fault‑tolerant distributed systems.Experience with Java

optimizing data pipelines (ETL/ELT) in cloud environments Strong programming skills in Python, Scala, or Java

development skills:Strong programming skills in at least one backend language, with JVM languages (Java ... preferred.Experience with .NET, Python, or Ruby is also acceptable, provided you are motivated to work primarily with Java

Java, J2EE, IBM DB2 etc. Other 4+ years' experience with Java – Familiar with J2EE concepts.

What You’ll Actually Do Own the Backend: Design and ship high-performance services in Go and Java that ... The Toolkit: You are a pro in Go and/or Java and have experience shipping production-ready backend services

Experience in JAVA and GOSU. ... You will use: Guidewire Insurance Suite Java Git, Gerrit, Jenkins and similar IntelliJ Idea SoapUI H2

Design, build, and optimize high-availability, high-performance systems handling thousands of requests per minute. Work with a cloud-native environment using Kotlin, Spring, Kafka, and Kubernetes. Build end-to-end ML systems using BigQuery, Apache Spark, and microservices to create a personalized user experience.

Programming Skills: Strong proficiency in both Python and Java (essential for building automation tools

, Poland) Contract type: 130-160 pln/h netto VAT B2B ,[Develop and maintain backend services using Java

Technologies & Skills Java, Spring Boot Angular 2+, Bootstrap Oracle, PostgreSQL with advanced SQL knowledge

C# on a Java or .NET platform. ... A large part of our projects are based on web‑based technologies such as Angular or React, and Java or ... methodical, and proactive approach to work Nice to Have: Hands‑on experience with web technologies (Java

knowledge in scope of the other one and wants to extend knowledge in both areas Experience in Scala and Java

Ability to understand and modify existing Java code.

evaluating the feasibility of solutions for Customer‑Facing Application owners across backend (PHP, Java ... and manage time effectively.Backend development skills with at least one server platform (e.g., .NET, Java

Would be a plus: Multi-stack literacy: Basic knowledge of Java (Maven/Gradle), .NET, or Angular to help ... Generative AI (Claude Code, OpenAI, etc.), Docker, Bash/Shell, Prompt Engineering, and multi-stack exposure (Java

Modern dev mindset and a solid grasp of system design and design patterns Strong programming skills in Java