Services Engineer/ Lead

Vendor Kforce Role: Services Engineer/ Lead Salary Conversion: $140-150K Location: Miami, FL 4x a week and remote on Friday No sponsorship Notes from the call: • Spring Boot • Kafka • GraphQL Summary: 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. Responsibilities: • 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 Required Skills & Experience: • 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