Java Lead Developer Miami, FL 4x a week and remote on Friday

Hands-on Java microservices engineer coding day-to-day on a cloud-native commerce platform. You will build and maintain REST APIs, GraphQL subgraphs, composite services, and integration gateways deployed on Kubernetes in AWS., Design, develop, and maintain Spring Boot microservices (both Spring MVC and Spring WebFlux/reactive) Build and extend federated GraphQL subgraphs using Spring GraphQL Develop composite services that orchestrate calls across cart, pricing, inventory, eligibility, and order domains Implement resilient HTTP integrations using WebClient and RestTemplate with Resilience4j circuit breakers Build Kafka consumers/producers with schema registry and Avro serialization Configure and optimize Redis caching with Sentinel replication Implement OAuth2 client credential flows for upstream API integration Write comprehensive tests using JUnit 5, Mockito, WireMock, Rest Assured, and Reactor Test Maintain code quality with Checkstyle, PMD, SpotBugs, and JaCoCo coverage thresholds Leverage AI-powered development tools as part of daily workflow, Jiffy.com is seeking a Software Development Engineer with deep hands-on experience orchestrating AI coding agents to ship production software at pace. Reporting directly to an Engi…

• 1 month ago
• Apply easily +

5+ years hands-on Java development (Java 17+) Spring Boot 3.x - strong hands-on experience Spring MVC and Spring WebFlux (Project Reactor, reactive streams) GraphQL - Spring GraphQL, federated subgraph development, schema-first design Maven build system Kafka - producers/consumers, Avro serialization, schema registry Redis - caching strategies, Spring Data Redis, Sentinel Resilience4j - circuit breakers, time limiters, retry patterns WebClient and RestTemplate for downstream service calls OAuth2 client credential flows Kubernetes - pods, services, ConfigMaps, deployments Docker - containerized Java applications AWS - ElastiCache, cloud-native deployment patterns MapStruct for DTO mapping, Lombok JUnit 5, Mockito, WireMock, Rest Assured Code quality: Checkstyle, PMD, SpotBugs, JaCoCo (80%+ coverage targets) Git, GitHub Actions CI/CD Active usage of AI development tools in daily workflow Nice to Have: GraphQL federation and graph registry experience API gateway configuration (Apigee or similar) Service mesh experience (Istio) K6 or similar load testing frameworks Prometheus metrics and Spring Boot Actuator GraphQL code generation tooling Travel/e-commerce domain experience

• $140,000-200,000 per year