Senior Java Developer Java, Spring, SQL Warszawa, Gdańsk, Gdynia

Diverse CG Sp. z o.o. Sp.k.; Poland; Remote; PLN 230,000 - 320,000; Full time

Benefits offered by this job

Private medical care

Sports card co-financing

Dedicated consultant support

Job summary

Diverse CG Sp. z o.o. Sp.k.

is recruiting an experienced Java developer in Warsaw to design, build, and maintain Java applications with a microservices approach. You will work within an Agile setup, collaborating with cross-functional teams, and deliver high-quality solutions while improving performance and documentation. The role requires at least 5 years of Java experience, strong Spring Framework skills, and a practical understanding of REST APIs, SQL, and CI/CD tooling.

Qualifications

• Minimum 5 years of professional Java development experience.
• Strong Java 8+ with Spring Framework and Spring Boot.
• Experience with microservices and clean code principles.
• Knowledge of SQL and relational databases.
• REST API design and development experience.
• CI/CD tooling such as Jenkins and Bitbucket.
• Familiarity with Agile/Scrum/SAFe environments.
• Fluent English both written and spoken.

Responsibilities

• Design, develop and maintain Java-based applications and services.
• Build and enhance solutions based on microservices architecture.
• Collaborate with Agile Release Train and cross-functional teams.
• Understand requirements and deliver technical solutions.
• Troubleshoot and resolve issues in existing applications.
• Optimize performance, maintainability and code quality.
• Participate in CI/CD processes and create technical documentation.

Skills

Java

Spring Framework

Spring Boot

Microservices

REST API design

SQL

CI/CD

Agile/Scrum/SAFe

English fluency

Tools

Jenkins

Bitbucket

Docker

Kubernetes

Kafka

Spring WebFlux

GitHub Copilot

Job description

As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for:

Responsibilities:

• Design, develop and maintain Java-based applications and services
• Build and enhance solutions based on microservices architecture
• Collaborate with team members within an Agile Release Train (ART) and cross-functional agile teams
• Work closely with internal and external stakeholders to understand requirements and deliver appropriate technical solutions
• Troubleshoot and resolve issues in existing applications
• Optimize application performance, maintainability and code quality
• Participate in continuous integration and delivery processes
• Create and maintain technical documentation for implemented solutions

Requirements:

• Minimum 5 years of professional experience in Java software development
• Strong hands-on experience with Java 8+, Spring Framework and Spring Boot
• Good practical knowledge of microservices architecture and clean code principles
• Experience with SQL and relational databases
• Good understanding of REST API design and development
• Practical experience with CI/CD tools such as Jenkins and Bitbucket
• Understanding of continuous integration and modern software development practices
• Experience working in Agile/Scrum/SAFe environments
• Fluency in English (both written and spoken)

Nice to have:

• Experience with Kafka
• Knowledge of Spring WebFlux
• Experience with Docker and Kubernetes
• Experience with C++ development
• Knowledge of test automation concepts, tools and best practices
• Experience using AI-assisted development tools such as GitHub Copilot
• Previous experience in the financial or banking industry

Offer:

• Private medical care
• Co-financing for the sports card
• Constant support of dedicated consultant

Personal Consulting Agency (License No. 4642)