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Big Data Engineer
Build and enhance a financing datahub for Corporate and Investment Banking using Spark, Scala, and SQL. You will design data solutions, develop data processing jobs, conduct code reviews, and deliver IT solutions in agile Scrum cycles.
Support Data Engineer
Support Data Engineer maintains cloud-based Big Data platforms, automates monitoring, and troubleshoots data pipelines using SQL, Python, and cloud warehouses like Azure Synapse and AWS Redshift.
Commodities Data Engineer
Works as a data engineer on a commodities trading platform, focusing on design, implementation, and testing of the Orchestrade system, using .Net (C#) and Microsoft SQL, with responsibilities including gathering requirements, creating user stories, and collaborating with cross-functional teams.
Cloud Data Engineer - Azure, Data Lake & Pipelines Pro
Designs and builds scalable Azure-based data platforms and ETL/ELT pipelines using SQL, Python, Spark/PySpark, and Azure tools.
Cloud Data Engineer — Azure Data Lake & ETL Pipelines
Design scalable data platforms, build ETL/ELT pipelines in Azure Databricks, and model data for analytics using SQL, Python, Spark, and Azure data services while collaborating with data analysts, BI, and Data Science teams.
.NET Developer (with Java)
Develop and modernize a payment platform using .NET Core and microservices in an Agile squad. Work involves C# development, bug fixing, and maintenance with optional Java integration.
Java Developer — Build Scalable Payment Solutions
Java Developer at Global Payments Inc. in Warsaw, Poland working on Java applications, designing solutions, and contributing to functional modules for scalable payment solutions. Core technologies include Java 9+, Spring/J2EE, SQL/PL/SQL, and microservices.
Java Developer
Java Developer role involving backend application design/development, system maintenance, code quality, collaboration with business, and migration from PHP to Java using technologies like Java, Spring Boot, SQL, and REST.
Java Developer
A Java Developer at Global Payments Inc. will develop, maintain, and optimize business applications using Java, Spring, and microservice architecture within an Agile team, focusing on payment solutions for financial institutions and merchants.
Senior Full Stack .NET Engineer (Legacy Windows App)
Maintain and modernize a Windows desktop application for digitizing historical records, working with C#/.NET 8.0, WPF, Entity Framework 6, SQL Server, and Visual Studio. Fix defects, resolve build failures, and support new releases while working with both modern and legacy code.
Senior Java Backend Lead — AI-Driven Microservices, Gdańsk
Senior Java Backend Lead developing backends, APIs, and microservices architecture for e-commerce projects (Grupa LPP). Involves a hybrid work model in Gdańsk using Java, Spring Boot, and SQL.
Python Developer
Develops and maintains backend systems for clients across industries (telecom, energy, banking, etc.) using Python frameworks like Django/FastAPI, with a focus on scalable, high-quality code and database optimization.
Senior Operations Analyst, User Safety & Risk Operations
About the Team At OpenAI, our User Safety & Risk Operations (USRO) team helps protect our products and users from abuse, fraud, safety risks, and other forms of misuse. We translate real-world user and operational…
Senior Cloud Data Architect
Designs and implements cloud data pipelines and warehouses in Google Cloud/AWS/Azure to integrate marketing and CRM data, enabling analytics and insights for paid media and customer lifecycle teams.
Technical Customer Support Engineer - EMEA
About ClickHouse Recognized on the 2025 Forbes Cloud 100 list, ClickHouse is one of the most innovative and fast-growing private cloud companies. With more than 4,000 customers and ARR that has grown over 250 percent…
Technical Customer Support Engineer - EMEA
We are currently growing our support team at ClickHouse, which provides excellent service to our customers around the world. We are seeking a Technical Customer Support Engineer to join our global Support Engineering…
Senior Enterprise Performance Analyst
The Senior Enterprise Performance Analyst builds and maintains data dashboards/reports in Excel, SQL, and Power BI to track KPIs for healthcare research/clinical trials, mentors junior analysts, and collaborates with cross-functional teams to drive operational improvements.
Senior Enterprise Performance Analyst
This role involves designing dashboards and analyzing complex datasets using SQL, Excel, and Power BI to optimize clinical trial operations and strategic decision-making within a healthcare organization.
Enterprise Performance Analytics Engineer
Builds and maintains data pipelines, data marts, and foundational data models using SQL and modern data stack tools to enable reliable reporting and analytics for a clinical research and health services organization.