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Sr Java Backend

Halcyon Labs · Miami · Posted 11d ago

onsiteContractsenior5-8 yrsEstimated 135k-230k USD🇺🇸 United States
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About the role

Design and build Spring Boot microservices for distributed systems and API integrations on AWS.

📋 Description Backend architecture: design, build, test, deploy Spring Boot microservices. Distributed systems & event-driven flows: pub/sub messaging; saga/orchestration patterns. API design & integration: REST APIs, webhooks, subscriptions; API contracts. Cloud-native engineering: CI/CD and infrastructure-as-code on AWS. Operational excellence: observability with New Relic, Datadog, OpenTelemetry. Advanced AI & agentic workflows: integrate LLMs while ensuring governance. 🎯 Requirements Technical foundation: 8+ years in Java backend; 2+ years in microservices. Stack expertise: Java 17+; strong OOP/concurrency; Spring Boot & Spring Cloud. Cloud architecture: AWS services incl. DynamoDB, Kinesis, SQS, SNS, API Gateway, ECS/EKS, Lambda, IAM, RDS. AI proficiency: AI-assisted development with Claude Code or Copilot. Testing discipline: JUnit, Mockito, and integration testing. Location & engagement: Miami/Fort Lauderdale on-site for a contract. 🎁 Benefits On-site collaboration in the Miami/Fort Lauderdale area. Long-term contract with high impact and autonomy. Strategic, high-visibility role within a modern engineering culture. Opportunity to influence technical strategy and AI integrations. Collaborative international team with strong technical leadership.

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FAQ

Is the Sr Java Backend role at Halcyon Labs remote?+

This Sr Java Backend position is listed as onsite (Miami).

What is the salary for the Sr Java Backend role at Halcyon Labs?+

The listing states Estimated 135k-230k USD.

What seniority level is this Sr Java Backend role?+

This is a senior level position.

How do I apply for the Sr Java Backend role at Halcyon Labs?+

Use the "Apply on empllo" button to open the original posting on empllo, where you can submit your application directly to Halcyon Labs.