job summary: We are looking for a skilled Backend Developer to join our growing engineering team. The ideal candidate will have solid experience in backend development using Java and Spring Boot, with strong expertise in Reactive Programming and building scalable APIs and microservices. location: Charlotte, North Carolina job type: Contract salary: $55 - 65 per hour work hours: 9am to 6pm education: Bachelors responsibilities: Key Responsibilities: Design, implement, and maintain RESTful APIs and microservices using Java and Spring Boot.Develop high-throughput, low-latency backend systems using Reactive Programming (e.g., Project Reactor, WebFlux).Optimize application performance and troubleshoot production issues.Write clean, maintainable, and well-documented code.Participate in code reviews, testing, and deployment processes.Contribute to architecture and design discussions with a focus on scalability, reliability, and performance. qualifications: Required Qualifications: 7+ years of professional backend development experience.Strong proficiency in Java and the Spring Boot framework.Solid understanding of Reactive Programming concepts and tools (e.g., Reactor, RxJava, WebFlux).Experience building and consuming RESTful APIs.Hands-on experience with microservices architecture.Familiarity with CI/CD pipelines, Git, Docker, and containerized environments.Good understanding of software design principles, patterns, and best practices. skills: Strong proficiency in Java and the Spring Boot framework.Solid understanding of Reactive Programming concepts and tools (e.g., Reactor, RxJava, WebFlux).Experience building and consuming RESTful APIs. Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.At Randstad Digital, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact HRsupport@randstadusa.com. Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility). This posting is open for thirty (30) days.