Senior Java Microservices Developer

Position:
Sr Java Backend

Company:
Coderio

Location:
United States, Miami, Florida

Employment type:
Contract

Work Arrangement:
Hybrid

Short Summary:
We are looking for a Senior Java Microservices Developer for a contract engagement. You will own the design, development, and delivery of a suite of event-driven microservices running on AWS.

Responsibilities:
- Design, build, test, and deploy Spring Boot microservices following strict team standards.
- Implement publish/subscribe async messaging and handle distributed transactions using saga or orchestration patterns.
- Design and consume REST APIs, webhooks, and subscription APIs, while actively contributing to API contracts and versioning.
- Build and maintain CI/CD pipelines and infrastructure-as-code for your services, operating heavily on AWS.
- Diagnose and resolve issues across distributed services utilizing observability tools like New Relic, Datadog, or OpenTelemetry.
- Integrate LLMs into services and build agentic workflows, ensuring AI safety and governance.

Requirement:
- 8+ years of experience building backend services in Java, with at least 2+ years in microservices and event-driven systems.
- Deep mastery of Java (17+ preferred) with strong OOP and concurrency fundamentals, alongside production experience in Spring Boot and Spring Cloud.
- Solid production experience with AWS services including DynamoDB, Kinesis, SQS, SNS, KMS, API Gateway, ECS/EKS, Lambda, IAM, and RDS.
- Fluency with AI-assisted development and solid testing discipline utilizing JUnit, Mockito, and integration testing.

Benefits:
- Hybrid collaboration in a dynamic and fast-paced environment.
- Long-term contract engagement with high impact and autonomy.
- Strategic and high-visibility role within a modern engineering culture.
- Opportunity to influence technical strategy, especially regarding modern event-driven architectures and AI integrations.
- Collaborative international team with strong technical leadership.