Senior Java Full-Stack Developer

Location: Katowice - 2 days office / 3 days remote

Let us introduce you the job offer by EY GDS Poland – a member of the global integrated service delivery center network by EY.

This specific position gives you the opportunity to interact within international environment and work with the most recognizable and influential players on the market.

The opportunity

As a Senior Java Developer, you will work across delivery and R&D streams, building high‑quality solutions, experimenting with new technologies, and shaping reference architectures used in global projects.

Your Key Responsibilities

• Contribute to implementation and R&D initiatives across multiple project streams.
• Co‑develop reference architectures, Java microservices, SDKs, and accelerators.
• Build automated unit, integration, and contract tests; create test harnesses and performance benchmarks for prototypes and PoCs.
• Collaborate with agile R&D and non‑R&D teams to bring client and market insights into the R&D backlog.
• Produce design notes, ADRs, PoC summaries, and validation materials supporting experimental work.
  
  

Skills And Attributes For Success

• Highly proficient in web-based OOP (functional programming will be a plus)
• Experience deploying web applications on large cloud-based services provider e.g. Azure/AWS
• Experience working with web services / APIs e.g. SOAP / REST
• Solid knowledge in JavaScript, HTML 5, CSS3 and responsive single page design
• Knowledge of databases and SQL
• Experience with React or Angular
• Knowledge of Clean Code and Unit Testing
• Experience with Source Code Management, Continuous Integration, Continuous Delivery and automated deployment
• Passion for in agile / scrum methodology
  
  

To qualify for the role, you must have

• 4+ years in a corporate IT environment in a similar positions
• Demonstrable experience of Java and frameworks commonly used in Java projects
• Strong communication skills in English (B2+)
• Bachelor's degree in Engineering, IT, Science, other Technical qualification
  
  

Ideally, you’ll also have

• Knowledge of Kafka or RabbitMQ is an advantage
• Hands on experience working with microservices architecture
• Certificates proving certain skills: Java, Spring, SQL, AWS or Azure Cloud
• Knowledge of Docker and Kubernetes is an advantage
  
  

What We Look For

As we are a dynamic team of passionate specialists, and we work in international teams all over the world, we will look for the same business acumen. Facing with customers, we are "out of the box thinking" professionals.  Our top performers have a team players attitude, and they cope with challenges on the daily basis. If it all sounds familiar to you - we are looking forward to seeing you on board.