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Build and refactor a Python/Angular app that visualizes gas-storage trading strategies for traders and operations teams, integrating Oracle, PostgreSQL, and MS SQL.
Develops and maintains Java/Spring Boot backend services for banking products, including microservices, Kafka integrations, and Kubernetes deployments.
Build and maintain enterprise information systems in Java/Spring, integrating databases and following Agile/DevOps practices for clients across industries.
Backend Java developer building secure, high-quality microservices with Spring Boot, REST APIs, Kafka, and Oracle/Postgres for a major Polish bank.
Backend engineer building and maintaining Java microservices with Spring Boot, REST APIs, Kafka, and RabbitMQ for Erste Bank Polska’s risk engineering team.
Builds and maintains Java-based microservices for a banking app using Spring Boot, Kafka integrations, and security compliance.
Backend Java engineer builds and maintains REST APIs with Spring Boot, automates tests using Playwright, and supports CI/CD pipelines in an Agile environment.
Builds scalable, high-performance Java backend services and APIs for Motorola Solutions’ Evidence and Devices systems, collaborating in an Agile team.
Design and build scalable, event-driven backend systems in Java/Spring Boot for Aristocrat’s gaming platforms, collaborating with frontend, QA, and data teams.
Builds and maintains Java backend services using Spring Boot and PostgreSQL for a Polish bank, ensuring system stability and API security.
Builds and maintains C#/.NET backend services for a healthcare product, integrating Python components on AWS with Docker, SQL Server, and CI/CD.
Builds autonomous AI agents and multi-agent systems using Python, LangGraph, and LangChain to automate software development workflows and improve code quality.
Develop visually rich, engaging HTML5 games using JavaScript/TypeScript and PIXI; optimize across devices and browsers while collaborating with designers and product teams.
Who are we? Lufthansa Systems Poland is acclaimed and widely recognized provider of superior services and IT solutions for the aeronautical, logistic and financial industries. As a part of the Lufthansa Group we…
Full-stack engineer building integrations and features for Asana’s collaboration platform using JavaScript/TypeScript or Scala, focusing on user experience and cross-functional collaboration.
Builds and optimizes data pipelines to enable AI-driven analytics, collaborating with engineers to validate data and empower product teams with scalable insights for faster decision-making.
Lead QA Engineer building and maintaining automated test frameworks for data pipelines, ETL, and backend systems using Python, Pytest, and Databricks.
Builds backend services for a data platform powering AppMagic, using Go and PostgreSQL with ClickHouse for analytics.
Designs and maintains scalable test automation frameworks for AI data generation pipelines, ensuring 24/7 reliability of distributed systems used in ML training and AI research. Works with REST APIs, CI/CD, and collaborates with data engineers and tech leads to define test strategies and future architecture.
Validates financial calculations and revenue workflows in a platform used by finance teams, ensuring accuracy and reliability of business-critical data.
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