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Expect deep Java and backend system questions: concurrency, collections, JVM basics, API design, data modeling, and tradeoffs for scaling or failure modes. Prepare examples of production incidents you owned, how you reviewed code, and how you partnered with product. Be ready to whiteboard a service boundary and discuss testing strategy for a Miami Lakes on-site senior role at Coderio.
Strong fit if you are already shipping Java backend systems independently and want on-site senior ownership with Coderio in the Miami Lakes / Miami area. Weaker fit if you need remote work, or if your recent work is mainly frontend or early-career maintenance without service ownership.
As a Senior Java Backend engineer at Coderio in Miami Lakes, a typical day centers on designing and shipping server-side Java services: reviewing designs and pull requests, implementing APIs and data access, and hardening reliability for production. You will coordinate with product and other engineers on scope, debug issues across services, and leave clear notes for handoff. Senior ownership means balancing delivery speed with maintainable code and operational readiness in an on-site Miami Lakes setting.
Strengthen core Java, Spring (or similar), SQL/NoSQL data modeling, REST or messaging APIs, testing, and observability. Practice designing resilient services, performance profiling, and CI/CD collaboration. No certification list or costs were provided for this listing; prioritize portfolio-quality backend projects and production incident stories over paid certs unless your target team asks for them.
The listing marks remote as no; plan for on-site work in the Miami Lakes / Miami, Florida area.
Independent ownership of server-side Java services, API and data design, code review, and reliable production delivery—not only feature tickets.
Miami Lakes sits in the greater Miami / Miami-Dade County market in Florida; use local commute and South Florida logistics when planning interviews and start dates.
Sr Java Backend (Miami Lakes) Role Overview Coderio, a Miami-based company specializing in scalable digital solutions for global enterprises, is seeking a Senior Java Microservices Developer for a contract position. This role involves owning the design, development, and delivery of event-driven microservices on AWS within our established engineering team. Responsibilities Design, build, test, and deploy Spring Boot microservices adhering to strict team standards. Owning your code from design to production in a distributed systems environment. Implement publish/subscribe async messaging and handle distributed transactions using saga or orchestration patterns. Design and consume REST APIs, webhooks, and subscription APIs while contributing to API contracts and versioning. Build and maintain CI/CD pipelines and infrastructure-as-code for your services on AWS. Diagnose and resolve issues across the codebase and architecture to ensure operational excellence. Qualifications Deep technical expertise in distributed systems, microservices, and event-driven architectures. Experience with Spring Boot and modern AI tools for building production-grade services. A proven track record of delivering high-quality software that scales. Familiarity with AWS cloud-native engineering practices including CI/CD pipelines and infrastructure-as-code. Strong communication skills, autonomy, and a product mindset. More About Coderio Coderio combines strong technical expertise with a product mindset to lead complex software initiatives end-to-end. We value autonomy and clear communication, working with international clients to build long-term partnerships through technical excellence. For more information about us, visit Apply Today This is a high-impact technical role in the Miami / Fort Lauderdale area. If you are passionate about delivering scalable and robust backend solutions, we encourage you to apply today. To apply, complete your application directly on this page, or you'll be redirected to the employer's application platform to finish submitting there.
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