Description:I am looking for an experienced - .NET Developer with AWS and OpenSearch experience. The ideal candidate should be capable of maintaining and enhancing the existing search applicationResponsibilities:Design and maintain a .net -based application that communicates with OpenSearch for data indexing and retrieval.Optimize complex search queries to ensure efficient content retrieval.Monitor and improve search performance, including query speed, indexing efficiency, and system resource usage.Use profiling and monitoring tools to diagnose and resolve performance issues.Create and maintain comprehensive documentation for search configurations, customizations, and integration processes.Collaborate with front-end developers to integrate user-facing elements with server-side logic.Write clean, scalable, and efficient code to improve existing software for optimal performance.Requirements:Proven experience (10+ years) as a .NET Developer.Hands-on experience (3+ years) with OpenSearch, including the design, implementation, and maintenance of search solutions.Experience in creating and maintaining APIs.Strong experience in backend development, including deployment tools like Bamboo, Git, Bitbucket, and Octopus.Familiarity with containerization technologies such as Docker, Kubernetes, and AWS EKS.Experience with cloud NOSQL database services like DynamoDB and Document DB.Basic knowledge of cloud infrastructure services (e.g., VPC, EC2, S3, Lambda).Strong problem-solving and troubleshooting skills.Strong verbal and written communication skills.Familiarity with Agile methodologies.AWS certifications (e.g., AWS Certified Developer, AWS Certified Solutions Architect) are a plus.Mandatory Skills:.NET/C#OpenSearch experience.AWS proficiency.Decent communication skills, as the candidate will interact with cross-functional teams.Good to Have:Experience with Document DB. EEO EmployerApex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at employeeservices@apexsystems.com or 844-463-6178.Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.