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About the role
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.
More at 3B Staffing