Java Developer

Duration: 6+ MonthsLocation: Charlotte, NC (3 days onsite per week) *** U.S. Citizens and those authorized to work in the U.S. are encouraged to apply. We are unable to sponsor or transfer visas at this time. *** *** No Vendors/3rd parties. ***Job SummarySeeking a hands-on Java Developer focused on backend services and API development. Candidate has strong Spring Boot expertise and 3-4 years of practical MongoDB experience (secondary skill). Responsible for designing, building, testing, and maintaining RESTful services that power scalable applications. Required:Strong Java skills (core language, collections, concurrency basics).Hands-on experience building backend services with Spring Boot.3-4 years working with MongoDB (schema design, CRUD operations, aggregation).Proven experience developing REST APIs and integrating services.Familiarity with unit testing frameworks (JUnit, Mockito) and API testing.Good understanding of version control (Git) and collaborative workflows.Strong problem-solving skills, attention to detail, and ability to work independently.Responsibilities:Design and implement RESTful APIs and backend services using Java and Spring Boot.Build, test, and maintain high-quality, production-ready code; participate in code reviews.Work with MongoDB for data storage, schema design, querying, and basic maintenance.Collaborate with product, frontend, and QA teams to deliver features and fixes.Troubleshoot issues in development, staging, and production; perform root-cause analysis.Write unit/integration tests and contribute to CI/CD pipelines.Document APIs, data models, and design decisions.Participate in sprint planning and agile ceremonies as an individual contributor. Nice-to-HaveExperience with MongoDB migrations, data transformation, or ETL work.Query optimization, indexing strategies, and performance tuning in MongoDB.Exposure to data engineering concepts or pipelines.Cloud experience (AWS, Azure, or GCP) — deploying services, managed DBs.Familiarity with containerization (Docker) and orchestration (Kubernetes).Experience with observability tools (logging, metrics, tracing).26-00118