Senior Database Administrator - MongoDB

Job Description :We are looking for a MongoDB Database Administrator with strong hands-on experience in MongoDB Atlas and application development. The ideal candidate should have expertise in designing document-based data models, developing efficient MongoDB queries, optimizing database performance, and integrating MongoDB with enterprise applications using .NET/C#.This is an application development role focused on MongoDB implementation and optimization rather than database administration.KEY RESPONSIBILITIES : - Design and develop application features using MongoDB and MongoDB Atlas.- Design scalable document schemas based on business requirements.- Develop efficient CRUD operations, including complex queries, filtering, sorting, pagination, bulk inserts, updates, and upserts.- Optimize MongoDB queries using appropriate indexing strategies and analyze query performance using Explain Plans.- Work with MongoDB Atlas clusters, collections, indexes, and data management features.- Implement Change Streams for real-time event-driven applications.- Integrate MongoDB with enterprise applications using the MongoDB .NET/C# Driver.- Collaborate with backend developers to design scalable and performant data access layers.- Support application performance tuning and troubleshoot MongoDB-related issues.- Implement data lifecycle strategies using TTL indexes and archival approaches.- Work closely with architects and engineering teams on solution design and implementation.REQUIRED SKILLS : - MongoDB, MongoDB Atlas, Documents & Collections, BSON, CRUD Operations, Aggregation Framework, Query Optimization, Indexing Strategies, Explain Plans, Change Streams, TTL Indexes, Data Modeling (Normalization & Denormalization), Replication, Sharding.- Development : C#, .NET / .NET Core, MongoDB .NET Driver, REST APIs, JSON/BSON Data Structures.- (Preferred) MongoDB Atlas Search, Full-Text Search, Vector Search, Semantic Search, Lucene (Good to Have).REQUIRED EXPERIENCE : - 4 to 8 years of application development experience with MongoDB.- Strong hands-on experience with MongoDB Atlas.- Experience designing scalable document-based data models.- Strong knowledge of CRUD operations, Aggregation Pipeline, indexing, and query optimization.- Experience integrating MongoDB with .NET/C# applications.- Understanding of replication and sharding concepts within MongoDB Atlas.- Experience working with Change Streams and event-driven applications.- Familiarity with MongoDB Atlas Search, Full-Text Search, or Vector Search is preferred.- Good understanding of application performance optimization and scalable architecture. (ref:hirist.tech)