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Build and maintain a benefits-management platform using Java, Spring Boot, and cloud-native tools, collaborating with HR teams to deliver scalable features.
Build and maintain a Java/Spring Boot HR-benefits platform, adding features, fixing bugs, and integrating with external systems while collaborating with business stakeholders.
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.
Mid/Senior Backend Java Developer building scalable BFF services for checkout, customer management, and commerce using Java 21, Spring Boot, and event-driven architecture.
Build AI-powered internal tools and scalable RAG/LLM systems to enhance productivity across a trading firm, using Python, Go/Rust, and modern full-stack stacks.
Build and maintain a large-scale Terminal Management System for 300k+ payment terminals using Java, Spring, Hibernate, RabbitMQ, and distributed architectures.
Design and build backend services for an IoT eSIM platform using Java/Kotlin, Spring Boot, and Kubernetes, handling event-driven device-cloud communication and security in a cloud-native environment.
Build and maintain a critical tax-administration system for Danish municipalities using Java, WildFly, Hibernate, and Angular in a hybrid Warsaw team.
Build and maintain scalable Spring Boot microservices and REST APIs for a telecom client, using AWS, Kubernetes, and event-driven patterns while owning end-to-end DevOps and testing.
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.
Builds and maintains Java-based backend services using Spring, micro-services, and relational databases, with optional minor frontend tweaks.
Design and build backend services for an IoT platform that connects eSIM devices to cloud systems using Java 17/21, Spring Boot/WebFlux, and Kubernetes.
Builds and maintains Java backend services for financial systems using Spring Boot, integrates messaging platforms, and writes optimized SQL and tests.
Build and maintain Node.js backend services and APIs for a logistics platform that orchestrates multi-modal deliveries.
Backend developer building Java-based web modules with Spring, Hibernate, and REST APIs, writing unit/integration tests, and solving complex design issues in a hybrid work setup.
Lead a team to build and maintain real-time and batch data pipelines that integrate enterprise applications using MuleSoft and Informatica, ensuring data consistency across retail systems.
Builds and maintains scalable Java microservices for an IoT platform, focusing on data streaming, event-driven architecture, and REST APIs using Spring, Docker, and Kubernetes.
Backend PHP developer building and maintaining an e-commerce platform using Symfony, REST APIs, and relational databases in a relaxed, game-focused team.
Builds and maintains a SaaS platform in Java/Scala for asset managers and financial institutions, designing architecture, CI/CD pipelines, and collaborating in Agile teams.
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