Sr. Java Developer
3B Staffing LLC, Charlotte, NC, United States
Job Description:
Role Overview
We are seeking a highly skilled Senior Java Backend Engineer to join our Digital Channels API team supporting client profile services and modernization initiatives. This role focuses on building and enhancing high-performance microservices, supporting production systems, and driving engineering excellence across our API ecosystem.
You will work in a cloud-native AWS environment, developing REST and GraphQL APIs, optimizing PostgreSQL performance and supporting mission critical production workloads.
Key Responsibilities
• Design, develop, and enhance backend services using Java and Spring Boot.
• Build and maintain REST and GraphQL APIs.
• Write and optimize complex PostgreSQL queries.
• Perform database schema changes and performance tuning.
• Support modernization efforts including DB2 retirement.
• Participate in code reviews and enforce best practices.
• Provide production support and troubleshoot performance issues.
• Develop and maintain AWS-based services (Lambda, ECS, RDS, S3, SQS).
• Collaborate closely with SRE and platform teams to ensure resiliency and observability.
• Contribute to CI/CD pipelines using Maven and modern build tools.
Required Qualifications
• 6-8+ years of backend development experience.
• Strong proficiency in Java and Spring Boot.
• Experience building and supporting microservices-based architectures.
• Hands-on experience with PostgreSQL, including query optimization and schema design.
• Experience working with AWS services such as Lambda, ECS/EKS, RDS, S3, SQS.
• Experience developing or supporting GraphQL APIs.
• Strong understanding of production support and troubleshooting practices.
• Experience participating in structured code reviews
• Strong analytical and communication skills.
Nice to Have
• Exposure to Python or Node.js scripting.
• Experience with observability tools such as Splunk, Honeycomb, or Grafana.
• Familiarity with API testing tools such as Bruno or Postman.
• Understanding of SRE principles.
Role Overview
We are seeking a highly skilled Senior Java Backend Engineer to join our Digital Channels API team supporting client profile services and modernization initiatives. This role focuses on building and enhancing high-performance microservices, supporting production systems, and driving engineering excellence across our API ecosystem.
You will work in a cloud-native AWS environment, developing REST and GraphQL APIs, optimizing PostgreSQL performance and supporting mission critical production workloads.
Key Responsibilities
• Design, develop, and enhance backend services using Java and Spring Boot.
• Build and maintain REST and GraphQL APIs.
• Write and optimize complex PostgreSQL queries.
• Perform database schema changes and performance tuning.
• Support modernization efforts including DB2 retirement.
• Participate in code reviews and enforce best practices.
• Provide production support and troubleshoot performance issues.
• Develop and maintain AWS-based services (Lambda, ECS, RDS, S3, SQS).
• Collaborate closely with SRE and platform teams to ensure resiliency and observability.
• Contribute to CI/CD pipelines using Maven and modern build tools.
Required Qualifications
• 6-8+ years of backend development experience.
• Strong proficiency in Java and Spring Boot.
• Experience building and supporting microservices-based architectures.
• Hands-on experience with PostgreSQL, including query optimization and schema design.
• Experience working with AWS services such as Lambda, ECS/EKS, RDS, S3, SQS.
• Experience developing or supporting GraphQL APIs.
• Strong understanding of production support and troubleshooting practices.
• Experience participating in structured code reviews
• Strong analytical and communication skills.
Nice to Have
• Exposure to Python or Node.js scripting.
• Experience with observability tools such as Splunk, Honeycomb, or Grafana.
• Familiarity with API testing tools such as Bruno or Postman.
• Understanding of SRE principles.