Fullstack Java Developer

DCG Poland; Warszawa; On-site; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Private medical care

Co-financing for sports card

Dedicated consultant support

Job summary

DCG Poland is seeking an experienced Full-Stack Java developer to work on scalable microservices and REST APIs. You will contribute to secure coding practices, CI/CD pipelines, and collaboration with cross-functional teams in an Agile environment.

You will leverage Java, Spring Boot, Angular, Kafka, Docker, and Kubernetes to deliver high-quality software and integrations, while continuously improving performance and security.

Qualifications

• Minimum 5 years of professional experience in Full Stack Java development.
• Strong hands-on experience with Java, Spring Boot, microservices, and REST APIs.
• Practical experience with Angular and Angular Material.
• Experience with Kafka and SQL databases.
• Hands-on knowledge of Docker and Kubernetes.
• Experience with Git, Bitbucket, Jenkins, and CI/CD pipelines.
• Experience working in an Agile/Scrum environment.
• Practical experience identifying and resolving SAST, container scanning, dependency, and other application security vulnerabilities.
• Good understanding of secure coding practices and OWASP principles.
• Strong application troubleshooting and problem-solving skills.
• English language proficiency at B1+/B2 level or higher.

Responsibilities

• Design, develop, test, and maintain full-stack applications using Java, Spring Boot, Angular, Kafka, SQL, Docker, and Kubernetes.
• Develop and enhance microservices-based solutions and REST APIs, following clean code principles and best practices.
• Build and maintain integrations with internal and external systems.
• Analyze and resolve application defects, incidents, performance issues, and production problems.
• Identify and remediate security vulnerabilities detected through SAST, container scanning, and other assessments.
• Apply secure coding practices and strengthen security of internet-facing apps.
• Support and improve CI/CD pipelines using Git, Bitbucket, Jenkins, and related tools.
• Optimize applications for performance, scalability, resilience, maintainability, and availability.
• Collaborate with Product Owners, Analysts, Architects, Security Specialists, and Ops teams.
• Participate in Agile/Scrum ceremonies and create technical documentation.

Skills

Java

Spring Boot

Microservices

REST APIs

Angular

Angular Material

Kafka

SQL

Docker

Kubernetes

Git

Bitbucket

Jenkins

CI/CD

Agile/Scrum

SAST/SCA/OWASP

Security Practices

Troubleshooting

English Proficiency

Tools

GitHub Copilot

Microsoft 365 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, test, and maintain full-stack applications using Java, Spring Boot, Angular, Kafka, SQL, Docker, and Kubernetes
• Develop and enhance microservices-based solutions and REST APIs, following clean code principles and software engineering best practices
• Build and maintain integrations with internal and external systems
• Analyze and resolve application defects, incidents, performance issues, and production problems
• Identify and remediate security vulnerabilities detected through SAST, container scanning, dependency scanning, penetration testing, and other security assessments
• Apply secure coding practices and contribute to strengthening the security of internet-facing applications
• Support and improve CI/CD pipelines using Git, Bitbucket, Jenkins, and related tools
• Optimize applications in terms of performance, scalability, resilience, maintainability, and availability
• Collaborate with Product Owners, Business Analysts, Architects, Security Specialists, and Operations teams
• Participate in Agile/Scrum activities including planning, refinement, reviews, and retrospectives
• Create and maintain technical documentation, solution designs, implementation guidelines, and operational documentation
• Contribute to continuous improvement initiatives related to development practices, automation, quality assurance, and security
• Use AI-powered tools such as GitHub Copilot and Microsoft 365 Copilot to improve development efficiency, code quality, documentation, testing, and vulnerability remediation
• Explore opportunities to introduce AI agents and intelligent automation supporting software delivery, operational activities, and business processes

Requirements:

• Minimum 5 years of professional experience in Full Stack Java development
• Strong hands-on experience with Java, Spring Boot, microservices, and REST APIs
• Practical experience with Angular and Angular Material
• Experience working with Kafka and SQL databases
• Hands-on knowledge of Docker and Kubernetes
• Experience with Git, Bitbucket, Jenkins, and CI/CD pipelines
• Experience working in an Agile/Scrum environment
• Practical experience identifying and resolving SAST, container scanning, dependency, and other application security vulnerabilities
• Good understanding of secure coding practices and OWASP principles
• Strong application troubleshooting and problem-solving skills
• English language proficiency at B1+/B2 level or higher

Nice to have:

• Experience within the banking, cards, or payments domain
• Experience with cloud platforms
• Knowledge of DevSecOps and vulnerability management
• Experience with application monitoring and performance tuning
• Experience in technical mentoring or coaching

Offer:

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