Java Spring Boot Developer HOPKINS MN

ESRhealthcare and EXEC STAFF RECRUITERS•Hopkins, MN

3d•Onsite

About The Position

Design and develop RESTful microservices using Java 17+ and Spring Boot 3.x framework Implement distributed data models and optimize queries for Apache Cassandra clusters handling high-volume transactional data Build and deploy cloud-native applications on Microsoft Azure using AKS (Azure Kubernetes Service), Azure Functions, and Azure Service Bus Develop event-driven architectures using Kafka or Azure Event Hubs for real-time data streaming Implement API gateways, service mesh (Istio), and container orchestration using Kubernetes Write comprehensive unit tests using JUnit 5, Mockito, and integration tests for microservices Collaborate with cross-functional teams including DevOps, QA, Security, and Product teams in an Agile/Scrum environment Troubleshoot production issues, perform root cause analysis, and implement resilient solutions with proper monitoring and alerting Maintain technical documentation including architecture diagrams, API specifications (Swagger/OpenAPI), and runbooks Participate in code reviews, ensure adherence to secure coding practices, and optimize application performance Proactively identify technical debt and areas for improvement, providing innovative solutions aligned with best practices

Requirements

10+ years of hands-on experience with Java (Java 8+, preferably Java 17) and object-oriented design principles
Strong expertise in Spring Framework ecosystem, especially Spring Boot: Spring Boot, Spring Cloud, Spring Data, Spring Security, Spring REST
Production experience with Apache Cassandra: data modeling, CQL queries, partition strategies, replication, and performance tuning
Azure Cloud Platform: Azure Kubernetes Service (AKS), Azure Container Registry, Azure Key Vault, Azure Monitor, Application Insights
Microservices architecture patterns: Circuit Breaker (Resilience4j), API Gateway, Service Discovery, Distributed Tracing
Containerization and orchestration: Docker, Kubernetes, Helm charts
Message-driven architectures: Kafka, RabbitMQ, or Azure Service Bus
CI/CD pipelines: Jenkins, Azure DevOps, GitLab CI, or GitHub Actions
Database expertise: NoSQL (Cassandra, MongoDB) and relational databases (PostgreSQL, Oracle)
Version control and collaboration: Git, GitLab/GitHub, code review practices
Monitoring and observability: Prometheus, Grafana, ELK Stack, Splunk, or Azure Application Insights
Strong understanding of RESTful API design, OAuth 2.0, JWT authentication, and API security best practices
Experience with Agile/Scrum methodologies and tools like Jira, Confluence
Strong English communication skills for collaborating with US-based teams

Responsibilities

Design and develop RESTful microservices using Java 17+ and Spring Boot 3.x framework
Implement distributed data models and optimize queries for Apache Cassandra clusters handling high-volume transactional data
Build and deploy cloud-native applications on Microsoft Azure using AKS (Azure Kubernetes Service), Azure Functions, and Azure Service Bus
Develop event-driven architectures using Kafka or Azure Event Hubs for real-time data streaming
Implement API gateways, service mesh (Istio), and container orchestration using Kubernetes
Write comprehensive unit tests using JUnit 5, Mockito, and integration tests for microservices
Collaborate with cross-functional teams including DevOps, QA, Security, and Product teams in an Agile/Scrum environment
Troubleshoot production issues, perform root cause analysis, and implement resilient solutions with proper monitoring and alerting
Maintain technical documentation including architecture diagrams, API specifications (Swagger/OpenAPI), and runbooks
Participate in code reviews, ensure adherence to secure coding practices, and optimize application performance
Proactively identify technical debt and areas for improvement, providing innovative solutions aligned with best practices