Java Developer (DevOps)

RED Global; Polska; On-site; PLN 120,000 - 180,000; Full time

Job summary

RED Global is seeking a skilled Java Developer with DevOps capabilities to join our engineering team in Poland. You will bridge backend development and cloud infrastructure, driving software delivery from clean code implementation to automated containerized deployments in cloud.

You will design, develop, and maintain high-performing backend applications using Java and Spring Boot, build robust RESTful services, and collaborate with cross-functional teams to translate requirements into scalable

Qualifications

• Strong hands-on experience in Java and core frameworks (Spring Boot, REST API development).
• Solid understanding of design patterns, Clean Code principles, and software development best practices.
• Proficiency in relational databases, SQL, and data integration strategies.
• Proven track record with testing frameworks (JUnit, Mockito) and version control (Git).
• Experience in software delivery within Agile/Scrum environments.
• Practical experience or strong working knowledge of Microsoft Azure services for application hosting and monitoring.
• Hands-on experience with CI/CD pipelines (specifically GitHub Actions) and GitOps principles using ArgoCD.
• Knowledge of Kubernetes architecture and container management (Docker/K8s).
• Mindset focused on process automation, root-cause incident analysis, and application performance tuning.

Responsibilities

• Design, develop, and maintain backend applications using Java and Spring Boot.
• Build and evolve RESTful services and system integrations.
• Translate requirements into scalable architecture with cross-functional teams.
• Write and maintain unit/integration tests (JUnit, Mockito).
• Perform code reviews and support deployments across environments.
• Monitor performance, analyze logs/metrics, and troubleshoot incidents.
• Drive CI/CD enhancements and automate builds, tests, and releases with GitHub Actions, Kubernetes, and ArgoCD.

Skills

Java

Agile

Clean Code

Tools

Spring Boot

REST API

JUnit

Mockito

Git

GitHub Actions

ArgoCD

Kubernetes

Docker

Azure

Job description

We are looking for a skilled Java Developer with DevOps capabilities to join our engineering team. In this role, you will bridge backend development and cloud infrastructure, driving software delivery from clean code implementation to automated containerized deployments in cloud.

Your Responsibilities

• Design, develop, and maintain high-performing backend applications using Java and Spring Boot.
• Build and evolve robust RESTful web services and system integrations.
• Collaborate with business analysts, architects, and cross-functional teams to translate technical and business requirements into scalable architecture.
• Write, execute, and maintain unit and integration tests (JUnit, Mockito) to ensure clean code standards and high code quality.
• Perform code reviews and support application deployments across testing and production environments.
• Monitor application performance, analyze logs and metrics, and perform proactive troubleshooting for application and environmental incidents.
• Drive CI/CD pipeline enhancements and automate software build, test, and release processes using GitHub Actions, Kubernetes, and ArgoCD.

Requirements

• Strong hands-on experience in Java and core frameworks (Spring Boot, REST API development).
• Solid understanding of design patterns, Clean Code principles, and software development best practices.
• Proficiency in relational databases, SQL, and data integration strategies.
• Proven track record with testing frameworks (JUnit, Mockito) and version control (Git).
• Experience in software delivery within Agile/Scrum environments.
• Practical experience or strong working knowledge of Microsoft Azure services for application hosting and monitoring.
• Hands-on experience with CI/CD pipelines (specifically GitHub Actions) and GitOps principles using ArgoCD.
• Knowledge of Kubernetes architecture and container management (Docker/K8s).
• Mindset focused on process automation, root-cause incident analysis, and application performance tuning.