Coderio
From Coderio's careers page
Status: listed on the employer's own careers page when we last checked (daily). Confirm on their site before applying.
We are looking for a Senior Java Microservices Developer for a contract engagement.
Coderio designs and delivers scalable digital solutions for global companies. We combine strong technical expertise with a product mindset to lead complex software initiatives end-to-end. We work with international clients, value autonomy and clear communication, and build long-term partnerships through technical excellence. 🌍 More information: http://coderio.com This is a high-impact technical role. 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. Operating strictly on-site in the Miami / Fort Lauderdale area, you will be a key player in an established engineering team, bringing deep technical expertise in distributed systems and leveraging modern AI tools and agentic workflows to build production-grade services. This is a hands-on execution role. You are responsible for the technical health of the codebase, the performance of the architecture, and delivering high-quality software that scales. What To Expect In This Role (Responsibilities) Backend Architecture & Execution: Design, build, test, and deploy Spring Boot microservices following strict team standards. You will own your code from design to production. Distributed Systems & Event-Driven Flows: Implement publish/subscribe async messaging and handle distributed transactions using saga or orchestration patterns. API Design & Integration: Design and consume REST APIs, webhooks, and subscription APIs, while actively contributing to API contracts and versioning. Cloud-Native Engineering: Build and maintain CI/CD pipelines and infrastructure-as-code for your services, operating heavily on AWS. Operational Excellence: Diagnose and resolve issues across distributed services utilizing observability tools like New Relic, Datadog, or OpenTelemetry for logging, tracing, and metrics. 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. Requirements Technical Foundation: Senior level with 8+ years of experience building backend services in Java, and at least 2+ years specifically in microservices and event-driven systems. Stack Expertise: Deep, hands-on mastery of Java (17+ preferred) with strong OOP and concurrency fundamentals, alongside production experience in Spring Boot and Spring Cloud. Cloud Architecture: Solid, demonstrable production experience with AWS services including DynamoDB, Kinesis, SQS, SNS, KMS, API Gateway, ECS/EKS, Lambda, IAM, and RDS. AI Proficiency: Fluency with AI-assisted development (like Claude Code or Copilot) with the critical judgment to review AI-generated code. Testing Discipline: Solid testing discipline utilizing JUnit, Mockito, and integration testing. Location & Engagement: Must be located in the Miami / Fort Lauderdale area and available to work 100% on-site for a contract engagement. Nice to Have Financial services or payments domain experience, specifically with payments messaging standards like ISO 20022 and the legacy FAIM (Fedwire) format. Experience with containers and orchestration (Docker, Kubernetes). Hands-on experience with Infrastructure as Code (Terraform, CloudFormation, or CDK). Experience with workflow and orchestration engines such as Temporal, Camunda, or AWS Step Functions. Advanced AI skills: vector stores/RAG, prompt engineering, and AI observability. Benefits On-site collaboration in a dynamic and fast-paced environment in the Miami / Fort Lauderdale area. 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. Why Join Coderio? At Coderio, we value talent and excellence. While we are primarily a remote-first company, this specific strategic role offers the opportunity to work directly on-site to drive high-stakes initiatives. We are passionate about technology, collaboration, and fair compensation. We offer an inclusive and challenging environment with real growth opportunities. If you are motivated to design solutions that make a difference, we are waiting for you. Apply now.
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