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Senior Java Developer
Builds and maintains high-scale, secure payment and transaction systems in Java/Spring Boot, shaping architecture for fintech products handling millions of daily users.
Senior Java Developer (Pricing)
Build and maintain Java-based backend systems for pricing and supply-chain in a large fashion-tech group, using Spring Boot, Kubernetes, and Kafka.
Senior Java Developer
Builds and maintains high-frequency trading platform modules in Java with Spring Boot, optimizing for low-latency performance and collaborating with traders and engineers.
Senior Java Developer
Senior Java developer building and maintaining microservices and shared backend components for a major Polish bank using Java 11/17, Spring Boot, and Kubernetes.
Senior Java Developer
Senior Java developer building and leading microservices using Spring Boot, Docker, and AWS for global clients.
Senior Backend Engineer (Java / Kotlin / AWS)
Build and own JVM microservices (Java/Kotlin) on AWS that power a global container logistics intelligence platform, optimizing routes, schedules, and emissions data for shippers and freight forwarders.
Senior Java Developer
Build and maintain microservices for customer-care systems using Java 8/11, Spring Boot, SQL, and REST APIs in a modern, Scrum-based environment.
Java Developer
Build and maintain Java/Kotlin microservices for an e-signature platform, using Spring Boot, PostgreSQL, MongoDB, and Kubernetes in Azure.
Java Developer
Builds and maintains a microservices-based e-commerce backend in Java/Kotlin with Spring, Oracle/PostgreSQL, AWS/GCP/Azure, CI/CD, Kubernetes, and automated testing.
Java Developer
Build enterprise Java backends with Spring Boot, REST APIs, and microservices; write SQL, optimize queries, and integrate Kafka while ensuring security and test coverage.
Java Developer
Develops secure identity solutions in Java/Spring Boot, building REST APIs and cloud-native services for biometric and cryptographic systems.
Senior Backend Developer (m/f/d) C# & Python HoloMedicine Platform
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.
Senior Backend Developer (m/f/d) – C# & Python HoloMedicine Platform
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 (m/f/d) C# & Python HoloMedicine Platform
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.
Senior Backend Developer NET – IoT Platform
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.
Backend Developer (Kotlin) in Kazakhstan
Build and maintain scalable microservices in Kotlin/Java for a next-gen business banking app, optimizing databases, Kafka streams, and Spring Boot services.
Senior Backend Developer for NATO
Build and operate Python microservices and data pipelines for maritime geospatial analytics on Databricks and Neo4j, handling APIs, graph queries, and event-driven workflows.
Senior Backend Developer @ Devire
Build and maintain Java/Spring Boot backend services and APIs for a top Polish bank, integrating databases, Kafka/RabbitMQ, and writing automated tests.
Backend Developer
Build and maintain PHP/Node.js microservices powering Instapage, a high-traffic adtech platform serving 10M+ users daily with 78M API requests.
Senior Software Engineer (Data Engineering)
Build and maintain scalable data pipelines for Workday’s AI/ML features using Python, Spark, Kafka, and AWS, ensuring reliable data ingestion, governance, and serving.