Java Backend Developer

• Technical Foundation: Senior level with 6+ years of experience building backend services in Java 21 and at least 2+ years specifically in microservices and event-driven systems. \n

• Stack Expertise: Deep, hands-on mastery of Java 21 with strong OOP and concurrency fundamentals, alongside production experience in Spring Boot and Spring Cloud. \n

• Cloud Architecture: Solid, demonstrable production experience with AWS services including DynamoDB, Kinesis, SQS, SNS, KMS, API Gateway, ECS/EKS, Lambda, IAM, and RDS. \n

• AI Proficiency: Fluency with AI-assisted development (like Claude Code or Copilot) with the critical judgment to review AI-generated code.

• Backend Architecture & Execution: Design, build, test, and deploy Spring Boot microservices following strict team standards. You will own your code from design to production. \n

• Distributed Systems & Event-Driven Flows: Implement publish/subscribe async messaging and handle distributed transactions using saga or orchestration patterns. \n

• API Design & Integration: Design and consume REST APIs, webhooks, and subscription APIs, while actively contributing to API contracts and versioning. \n

• Cloud-Native Engineering: Build and maintain CI/CD pipelines and infrastructure-as-code for your services, operating heavily on AWS. \n

• Operational Excellence: Diagnose and resolve issues across distributed services utilizing observability tools like New Relic, Datadog, or OpenTelemetry for logging, tracing, and metrics. \n

• Advanced AI & Agentic Workflows: Integrate LLMs into services (function/tool calling, structured outputs, and the Model Context Protocol) and build agentic workflows, ensuring AI safety and governance (guardrails, PII/PCI handling) in a regulated setting. \n

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\n, * Testing Discipline: Solid testing discipline utilizing JUnit, Mockito, and integration testing. \n

• Location & Engagement: Must be located in the Miami / Fort Lauderdale area and available to work 100% on-site for a contract engagement. \n

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Nice to Have:

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• Financial services or payments domain experience, specifically with payment messaging standards such as ISO 20022 and the legacy FAIM (Fedwire) format. \n

• Experience with containers and orchestration (Docker, Kubernetes). \n

• Hands-on experience with Infrastructure as Code (Terraform, CloudFormation, or CDK). \n

• Experience with workflow and orchestration engines such as Temporal, Camunda, or AWS Step Functions. \n

• Advanced AI skills: vector stores/RAG, prompt engineering, and AI observability.

At Coderio Software Company we are creating a new squad to work with one of our clients in the banking industry.