Specialized Software Developer IV

Specialized Software Developer IVWe are seeking a Specialized Software Developer IV to lead the design and implementation of high-volume, event-driven transactional microservices running in AWS. This role will support mission-critical applications processing millions of decisions and transactions each day.This is NOT a data engineering, ETL, or analytics role. Candidates must have deep expertise in transactional backend systems and distributed application architecture.ResponsibilitiesLead the design and development of enterprise-scale microservicesBuild event-driven architectures leveraging Kafka, EventBridge, and SQSDevelop highly available transactional systems with advanced concurrency controlsDesign resilient cloud-native solutions on AWSDrive engineering best practices, code quality, and system reliabilitySupport modernization and migration initiatives from legacy platformsCollaborate with architects and engineering teams to deliver scalable business solutionsRequired Qualifications7+ years of software development experienceAdvanced Java 17 and Spring Boot expertiseStrong AWS experience, including: ECSAurora PostgreSQLSQSEventBridgeExperience building transactional microservicesDeep understanding of concurrency controls, including: Advisory locksOptimistic versioningHands-on Kafka experienceGitLab CI/CD experienceTerraform and/or AWS CDK experiencePreferred QualificationsDrools Rules EngineResilience4jState machine patternsParallel-run validation methodologiesLegacy-to-cloud migration experienceEOE Statement: Specialist Staffing Group is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status. To find out more about Huxley, please visit