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Java Developer

Oneapps — Poland · Posted ~10 hours ago

Full-time Hybrid

Skills

Java Spring Backend development REST APIs Microservices Cloud migration Automated testing Unit testing Integration testing AWS GCP Azure Kafka REST

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Summary ✨ AI‑Generated

A Java Developer is needed for backend engineering across enterprise technology projects. You will build services and APIs with Java and Spring, assist with cloud migrations, contribute to microservices and event-driven architectures, and maintain strong automated testing practices in a hybrid environment.

Highlights

Build scalable backend services and APIs, contribute to cloud migration and microservices modernization, and work with diverse multicultural teams on varied technology projects.

Description

OneAPPS Consulting (www.oneapps.com) is a Technology consulting firm based out of London and offices across Europe. We are working on various projects involving diverse, multicultural teams with clients across the Europe. We are an invaluable partner and our teams have collaborated to support the growth of our clients. With more than 7 locations worldwide we help our clients to deliver their projects smoothly. We look forward to getting to know you and working with you. Role: Java Developer Location: Krakow/Warsaw - Hybrid Key Responsibilities Design & Develop: Build efficient, scalable, and reliable backend services and APIs using core Java and Spring ecosystem.Cloud Migration: Assist in migrating legacy systems and analytic engines to cloud platforms (AWS, GCP, or Azure).Architecture Modernization: Contribute to a microservices-based architecture, implementing event-driven communication (e.g., Kafka).Quality & Testing: Write clean, robust code with automated unit and integration tests following TDD (Test-Driven Development) principles.Collaboration: Work within agile multidisciplinary teams alongside Business Analysts, QA engineers, and global stakeholders.Operations & DevOps: Support platform operations, apply DevOps best practices, and troubleshoot production incidents. Requirements & Tech Stack Core Skills: Professional software development experience.Languages & Frameworks: Strong proficiency in Java, Spring Boot, Spring Cloud.Architecture & Databases: Microservices design patterns, RESTful APIs, SQL/NoSQL databases, and ORM tools (Hibernate/JPA).Messaging & Cloud: Experience with event streaming (Kafka, RabbitMQ) and cloud environments (GCP/AWS).DevOps & Tools: Git, Docker, Kubernetes, CI/CD pipelines.Soft Skills: Fluent English communication skills; analytical mindset with a strong interest in banking or financial domains. If this role sounds like you, we invite you to apply. Thanks.