Tenarai
Open positions
Senior Data Engineer
Senior backend/data engineer (8+ years) who designs, migrates, and operates scalable batch ETL pipelines and data transformations using Apache Spark, Java, and Python, while also building REST APIs and CI/CD-driven deployment for reliable production data processing.
Senior Quality Assurance Engineer
Senior QA Engineer in Kraków (hybrid) who designs and maintains Java-based automated tests for backend services — REST APIs and gRPC — working with Spring Boot, GCP, Kubernetes and CI/CD, and supporting a Java 8 modernization. Pays 20.2k–23.5k PLN net/month on B2B.
Senior Software Quality Engineer
Czym będziesz się zajmować? Responsibilities: Ensuring the quality, reliability and test coverage of a Kotlin-based application consisting of seven functional services. Designing, coding and executing automated test…
Senior Software Quality Engineer
Czym będziesz się zajmować? Responsibilities: Build robust test automation frameworks for MCP-native applications in ChatGPT.com and Claude.ai. Prepare benchmarks for AI functions integrated into applications and…
Senior QA Engineer
Senior QA Engineer building and maintaining automated API testing frameworks for cloud-native microservices using Java, TestNG, RestAssured, and Cucumber BDD in a hybrid role in Kraków.