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Builds and maintains Java 11 backend services for payment-processing systems using Spring/Spring Boot.
Design and implement backend services in Java/Spring Boot, build RESTful APIs, optimize SQL queries, and support CI/CD pipelines for a backend team in Poland.
Backend engineer using Java and MongoDB to help clients upgrade to the latest MongoDB versions while mentoring junior developers.
Designs and builds low-latency backend services for a global trading platform using Java, Kafka, Kubernetes, and AI-assisted tools.
Builds a Java/Spring Boot backend that processes real-time market data and trading events using Kafka and event-driven architecture.
Build and optimize high-performance Java backend systems for trading platforms using Spring Boot in a fintech environment.
Senior Java backend engineer building microservices and APIs in Spring Boot, deploying on GCP with Kubernetes, while collaborating with QA, SRE, and mentoring juniors.
Build and scale Java-based backend services and APIs for online games, ensuring high performance and global player experiences.
Designs, builds, and maintains scalable Java microservices for a financial-services firm, focusing on reliability, performance, and modern CI/CD practices.
Designs and builds high-performance Java microservices, deploys on Kubernetes, and maintains distributed systems with SQL/NoSQL databases in a hybrid setup.
Senior Java backend engineer building scalable microservices and REST APIs using cloud-native tech, Kubernetes, and data platforms in a distributed systems environment.
Builds a secure, cloud-native backend in Java/Spring Boot with Flowable BPMN workflows, multi-tenant data layer, and REST APIs for compliance case handling and document uploads.
Build and maintain high-performance Java backend services and RESTful APIs for a global financial services client in a collaborative, security-focused team.
Builds and optimizes real-time backend services using Java, Kafka, and GCP for a global fintech platform, collaborating with traders and product owners.
Build and maintain Java-based microservices and REST APIs for a fintech platform using Spring Boot and PostgreSQL, ensuring scalable, secure solutions for global users.
Build and maintain scalable Java backend services for a banking programme using Spring, Kafka, and distributed systems.
Builds real-time fraud detection and analytics services using Java and Spring in a cloud-scale microservices architecture.
Builds Java backend services for genetic diagnostics software, collaborating with teams in Poland and Germany using Agile practices.
Builds and maintains Java backend services using Spring Boot, microservices, Kafka, and PostgreSQL/MongoDB for a Polish software house.
Build and optimize high-throughput Java backend services for an online gaming platform, collaborating with global teams.
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