Senior Java BE Developer

Job Title: Senior Java BE Developer

Location: Krakow, Poland

Employment Type: B2B 6+ Months contract

About Hirexa Solutions:

Hirexa Solutions is a leading player in the recruitment ecosystem across the United States, United Kingdom, Europe, and India. As the fastest-growing next-generation provider of technology talent, we empower our clients to become resourceful, achieve higher productivity, adopt agile structures, and effectively execute project deliverables.

Envisioned and co-founded by veterans of the Information Technology industry, our mission is to make recruitment efficient, flawless, and cost-effective. Our unwavering commitment to strategic investments in intelligent technology underscores our passion for people and our dedication to helping organizations realize their true potential.

Position Overview:

For one of our partners, we are seeking a Senior Java BE Developer who will be responsible for Development. The ideal candidate will possess the necessary skills and experience to contribute to the success of our partner organization.Role Summary

We are seeking a highly experienced Senior Java Developer with a strong background in cloud-native application development and modern data/API technologies. The ideal candidate will have 10+ years of overall experience, including at least 8 years in Java development. Exposure to AI technologies is a plus.

Key Responsibilities

• Develop scalable applications using Java (versions 8/11/17).

• Design RESTful APIs and GraphQL schemas.

• Model and manage data using NoSQL databases (Azure Cosmos DB).

• Build and optimize data streaming solutions with Confluent Kafka.

• Work with Spring Boot, Spring Batch, and Spring Cloud frameworks.

• Implement secure authentication and authorization using OAuth 2.0 and Microsoft Entra ID.

• Utilize Azure Cloud Services (App Services, Azure Monitor, API Management) for deployment and monitoring.

• Collaborate with cross-functional teams to integrate AI capabilities.

Required Experience

• 10+ years overall professional experience.

• 8+ years hands-on experience in Java development.

• Proven expertise in cloud services, data streaming, and secure application design.

Preferred Skills

• Experience in AI application development or integration.

• Familiarity with AI/ML frameworks and cloud-based AI services.

Skill Matrix for Java:

- High proficiency and  9+ years of technical experience in programming languages: Java --> Mandatory

- Experience in REST API Design --> Mandatory

- Experience in GraphQL Schema Design --> Good to have

- Experience with NoSQL Data Modeling (Azure Cosmos NoSQL) --> Mandatory

- Experience in Data Streaming (Confluent Kafka) --> Mandatory

- Experience with Spring Boot, Spring Batch, Spring Cloud --> Mandatory

- Hands-on experience in Authentication and Authorization (OAuth 2.0, MSFT EntraID) --> Mandatory

- Familiarity with Azure Cloud Services (App Services, Azure Monitor, API Management, etc.) --> Good to have

 aHow to Apply:

If you are interested in this opportunity, please submit your resume. We look forward to hearing from you!