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Build and maintain Java applications using Spring and Groovy, collaborating in Agile teams to deliver business-driven features and integrate with external systems via REST APIs.
Builds and maintains Java/Spring backend services and REST APIs for clients in finance, healthcare, and e-commerce, using Kafka, CI/CD, and monitoring tools.
Senior Java developer building backend services with Spring Boot, Hibernate and SQL for a client project in Warsaw.
Build and maintain microservices for customer-care systems using Java 8/11, Spring Boot, SQL, and REST APIs in a modern, Scrum-based environment.
Build enterprise Java backends with Spring Boot, REST APIs, and microservices; write SQL, optimize queries, and integrate Kafka while ensuring security and test coverage.
Develops secure identity solutions in Java/Spring Boot, building REST APIs and cloud-native services for biometric and cryptographic systems.
Senior Backend Developer builds and maintains C#/.NET and Python services for HoloMedicine®, a certified medical XR platform handling medical imaging pipelines, real-time streaming to XR devices, and clinical workflow orchestration.
Build backend services in C# and Python for HoloMedicine®, a certified medical Mixed Reality platform used in clinical environments, focusing on APIs, data pipelines, and real-time XR device communication.
Senior Backend Developer builds and maintains C#/.NET and Python services for a certified medical XR platform, handling imaging pipelines, real-time streaming, and clinical workflows in a regulated healthcare environment.
Build and scale a cloud-native Industrial IoT platform in .NET, processing telemetry from thousands of devices with microservices, Kafka, and Kubernetes while securing multi-tenant SaaS deployments.
Build core Rust/Go backend services for a fast-growing blockchain oracle startup, focusing on data pipelines, node integrations, and cross-chain DeFi infrastructure.
Build and maintain scalable microservices in Kotlin/Java for a next-gen business banking app, optimizing databases, Kafka streams, and Spring Boot services.
Build and own Flinks’ data and ML platform: BigQuery, dbt, Airflow, Pub/Sub, Kubeflow, Vertex AI, and FastAPI to turn models into production-grade services.
Build and maintain Java-based microservices for gaming platforms using Spring Boot, Kubernetes, and AWS, while ensuring observability with Grafana and Kafka.
Build and maintain PHP/Node.js microservices powering Instapage, a high-traffic adtech platform serving 10M+ users daily with 78M API requests.
Lead a backend team building Orca Sensor, a lightweight runtime component for deep visibility and protection of cloud workloads across Kubernetes, serverless, and VMs.
Junior Backend Developer builds and maintains Java/Spring Boot microservices on AWS/GCP, using Kubernetes, PostgreSQL, and Kafka to power Kalamba Games' gaming platforms.
Build and maintain high-availability software solutions in Python/C++ for large-scale IT transformations, focusing on DevOps, cloud-native tools, and agile delivery.
Lead a team that builds and operates the shared data platform (Databricks, dbt, GCP) and observability foundations that power analytics, AI, and customer-facing data products at a global supply-chain orchestration company.
Fullstack developer building and maintaining APIs, backend services, and frontend features for a financial-sector client using Python, Java, and .NET.
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