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Build and maintain scalable data ingestion pipelines and microservices using Java, Spark, and Spring Boot to power ING’s data lake for analytics and compliance.
Design and build large-scale data pipelines and systems to process billions of ad requests daily, using Java/Scala/Python, Spark, and BigQuery on GCP/AWS.
Leads large-scale data migration projects, designs ETL pipelines, and ensures seamless transitions between systems using Informatica, RDBMS, AWS, and Java.
Design and build large-scale data pipelines and warehouses for a high-traffic ad exchange, processing over 1 PB of daily events with Java/Scala/Python, Spark, BigQuery, and GCP.
Build and optimize large-scale data pipelines and warehouses for a digital ad exchange handling billions of daily requests, using Java/Scala/Python, Spark, BigQuery, and GCP.
Designs and builds Snowflake-based data pipelines and warehouses for a commercial bank, using Python, SQL, and ETL/ELT workflows.
Senior Data Engineer builds and evolves an open-source data platform using Kubernetes, Docker, and query engines, while mentoring peers and shaping data pipelines and governance standards.
Designs and deploys Azure-based CI/CD pipelines and zero-downtime database migrations using Jenkins, GitHub Actions, and RDBMS tools.
Build and maintain cloud and on-prem infrastructure for energy-sector clients, automate CI/CD pipelines, and keep systems secure and observable using Kubernetes, Docker, and monitoring tools.
Build and optimize scalable data pipelines and AI platforms using cloud, ETL tools, and SQL for enterprise clients.
Build and maintain full-stack .NET applications with REST APIs, microservices, and Elasticsearch for an international institution, using SCRUM and containerized deployments.
Senior Cloud DevOps Engineer designs, implements, and maintains GCP infrastructure and CI/CD pipelines for a Java/Spring Boot microservices platform with 700+ monthly production deployments.
Build and design banking application modules using Java 21, JavaScript/TypeScript, and Spring Boot, integrating with internal and external systems while optimizing performance.
Build and maintain Java-based backend services for energy-sector clients using Spring Boot, Hibernate, and Docker, while collaborating in a Scrum team.
Lead a Java team building sustainability software for energy/utilities clients, using Java 11, Spring, Hibernate, and modern architectures while mentoring developers.
Builds and automates CI/CD pipelines, maintains internal web-app libraries, and supports teams using TypeScript, React, Node.js, and cloud tools for game development.
Build and maintain a tax administration system using Java, Spring/Quarkus, Angular, and microservices, integrating with external systems and databases.
Build and maintain resilient Python-based data pipelines and services that deliver global financial data to traders and researchers at speed.
Maintain and deploy ASP.NET apps on IIS in Azure, manage CI/CD pipelines with Azure DevOps, and automate environment updates for enterprise systems.
Maintain and deploy enterprise ASP.NET apps on IIS and Azure, automate CI/CD pipelines, and troubleshoot cloud-hosted systems for a Polish IT services provider.
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