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Senior Java Developer room Kraków
Builds secure, scalable IoT backend services in Java and Go, integrating AWS cloud components and processing device data with Big Data tools for a security/IoT project.
Senior Java Developer (Kafka) @ Antal
Design and build scalable Java/Kafka microservices for a global logistics data platform, modernizing legacy systems and integrating enterprise systems across markets.
Senior Java Developer @ Devire
Senior Java developer building event-driven microservices for a bank using Spring, Kafka, MongoDB, and Docker in a hybrid Warsaw office role.
Senior Data Engineer
Build and own Flinks’ data and ML platform: pipelines, warehousing, model serving, and governance that power financial insights and payments for banks and fintechs across North America.
Senior Java Developer (Microservices)
Build and maintain enterprise-grade backend microservices for a global investment bank using Java, Spring Boot, Kafka, and Kubernetes, ensuring secure, scalable, and resilient financial workflows.
Java Developer with Python experience
Build and migrate cloud-native Java/Spring Boot microservices for a bank’s securitization platform on Azure AKS, using Terraform, Kafka, and Azure SQL while ensuring regulatory compliance and high availability.
Lead / Senior Java Developer
Build and maintain a global trading platform in Java/Spring, delivering scalable services for sales, trading, and analytics while collaborating with a distributed fintech team in Warsaw.
Senior Analyst (Data Engineer)
Build and maintain secure, scalable data pipelines in Azure Synapse/Fabric using Python, Spark, and DevOps to ingest, transform, and validate financial datasets for regulatory reporting.
Java Developer Payment application
Java developer adapting legacy payment apps to ISO20022; builds Spring Boot microservices with Kafka, MongoDB, and REST APIs in a distributed team.
Mid Java Developer
Builds and maintains Java/Spring Boot microservices and REST APIs, using Kafka, PostgreSQL, Docker, and Kubernetes on IBM Cloud, with optional Angular and AI/LLM integration.
Senior Java Developer
Build and maintain scalable backend services using Java, Spring Boot, Kafka, and microservices for enterprise clients in a fast-paced consultancy.
Senior Java Developer
Builds high-performance, cloud-native Java backends and real-time event-driven platforms using Kafka, REST APIs, and GCP.
Senior Java Developer - IoT
Design and build backend services for an IoT platform that manages eSIM devices, using Java/Kotlin, Spring Boot/WebFlux, and Kubernetes in a cloud-native, event-driven environment.
Senior Java Developer - IoT
Design and build backend services for an IoT platform that connects eSIM devices to cloud systems using Java/Kotlin, Spring Boot, Kubernetes, and event-driven architectures.
Senior / Expert Java Developer
Build and modernize Java-based backend microservices for a core banking platform, integrating systems via event-driven architectures and REST APIs using Spring Boot, Kafka, and Oracle.
Data Engineer / Data Architect & Software Developer — Azure / Databricks
Build and scale a cloud data platform for Ontario’s energy sector using Azure, Databricks, and Python/SQL to design pipelines, models, and AI apps within a governed enterprise environment.
Mid/Senior Java Developer
Build and maintain scalable Java 21/Spring Boot microservices for a fintech/banking platform, using AWS, Kafka, PostgreSQL, and DevOps tooling.
Senior Azure AI Software Developer
Builds and maintains a cloud-native SaaS product on Microsoft Azure using C#/.NET, designing AI-first workflows with agents like GitHub Copilot to accelerate development, testing, and debugging.
Senior Java Developer
Build and maintain Java-based microservices and integration components for a fintech platform handling safekeeping and corporate actions, using Spring Boot, Kafka, and Oracle.
Senior Java Developer
Senior Java developer building scalable backend services for a banking programme using Java 17+, Spring, Kafka, and distributed databases in an Agile team.