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Java Developer
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.
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 (Java + AWS)
Build and maintain Java-based systems (Spring, AWS) for logistics clients, writing testable code and collaborating in Scrum teams.
Java Backend Engineer - Spring Boot & Microservices
Designs, builds, and integrates Java microservices using Spring Boot, JUnit, Maven, and Jenkins, working with relational and NoSQL databases.
Java Backend Engineer – FinTech Calypso Specialist
Builds and maintains Java backend services for financial systems using Spring Boot, integrates messaging platforms, and writes optimized SQL and tests.
Java Backend Engineer — Calypso/Nasdaq Expert
Design, develop, and maintain Java 17+ backend services using Spring Boot 3.x for Nasdaq Calypso-based financial systems, integrating messaging platforms and optimizing database queries.
Programista / Programistka Java Backend
Develop new features for banking systems using Java, Spring Boot, and microservices; ensure performance and reliability while collaborating with cross-functional teams.
Calypso Java Backend Engineer (Mid/Senior) – Remote
Builds and maintains Java 17+ backends with Spring/Spring Boot 3.x, integrates with Nasdaq Calypso, messaging systems, and databases.
Java Backend Engineer - Spring Boot, Microservices & Kafka
Builds and maintains Java backend services using Spring Boot, microservices, Kafka, and PostgreSQL/MongoDB for a Polish software house.
Senior Java Backend Architect - Spring Boot & Microservices
Designs and builds enterprise-grade Java microservices with Spring Boot, Kafka, and BPM workflows in a cloud-native, containerized stack while driving architectural best practices.
Remote Java Backend Developer - Aviation Safety Systems
Build and maintain Java backend services for aviation safety systems using Spring, Hibernate, and REST/SOAP APIs.
Backend Java Developer – Zdalny projekt lotniczy
Backend Java developer building and maintaining critical aviation infrastructure systems using Spring, Docker, and Salesforce in an Agile team.
Backend (Java) Developer (F/M/N)
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.
BACKEND JAVA DEVELOPER (m/f/x)
Build secure, scalable backend services in Java for a national digital identity platform, using Spring Boot, Hibernate, and applied cryptography.
Senior Java Developer (Backend)
Build a secure, multi-tenant SaaS platform for EU telecom compliance using Java 21, Spring Boot, Flowable BPMN, and PostgreSQL, handling sensitive legal orders with strict deadlines.
MitID Backend Developer (m/f/x)
Build and maintain secure backend services for MitID, Denmark’s national digital identity platform, using Java, Spring Boot, and cryptographic systems to ensure reliable authentication and data protection.
Senior Backend Developer (F/M) – Java @ drEryk
Build and maintain a SaaS platform for Polish healthcare providers using Java, Spring, and DDD; design microservices, model medical domains, and integrate with external systems.
Java Backend/ Fullstack Developer
Build and maintain Java-based banking, airline, and e-commerce systems using Spring, microservices, and cloud tools like Kubernetes and AWS.
Java Backend Developer
Builds and maintains a Java/Spring-based tax-automation backend, writes unit/integration tests, and deploys via Docker and Azure DevOps.
Senior Backend Developer (ST)
Builds and maintains backend services in Java/Spring Boot, optimizes systems, and ensures software quality with PostgreSQL/Oracle, Kafka/RabbitMQ, and testing tools.