Key Responsibilities: Design & Architecture - Conduct MongoDB workload analysis and schema design reviews - Develop and implement MongoDB Change Stream Frameworks for real-time data processing - Collaborate on scalable architecture for high-throughput applications across marketing and gaming platforms Validation & Best Practices - Review application source code for MongoDB integration quality - Promote and enable development best practices across teams - Ensure alignment with performance, security, and maintainability standards Production Readiness - Perform system health checks prior to rollout - Propose and implement performance tuning strategies for MongoDB workloads - Support deployment planning and readiness assessments Project Governance - Contribute to project planning, milestone tracking, and status reporting - Collaborate with cross-functional teams to ensure timely delivery and quality outcomes Domain Focus Areas - Marketing Applications: eWallet, Notification Engine, Campaign Engine, Operations Service App, Rewards App - Gaming Integrations: Chip detail integration and related systems Role Variants - Senior MongoDB Developer - Lead technical design and implementation across multiple projects - Mentor junior developers and guide best practice adoption - Drive performance optimization and production readiness strategies - Act as a key contributor to project governance and stakeholder communication MongoDB Developer - Execute development tasks under guidance of senior engineers - Assist in schema design, change stream implementation, and code validation - Support testing, deployment, and documentation efforts Required Qualifications: Proven expertise in: - MongoDB shard key design and data modeling strategies - MongoDB change streams and real-time data processing - Aggregation pipeline optimization and performance tuning - Transaction management with ACID principles - Cross-platform mobile app development (Uni-App, Native Java) - Experience developing and deploying apps on Android and iOS, with full lifecycle ownership - Familiarity with integrations in marketing systems and booking platforms - Skilled in API integration, app performance analysis, crash analytics, and release management - Hands-on knowledge of Agile/Scrum, DevOps practices, CI/CD, automated testing, and Git-based version control - MongoDB Professional Certification is required - Excellent communication and collaboration skills Interested candidates please kindly send CV, copy of identity card, photo and relevant certificates to hr@winson-group.com. * The personal data collected will be kept confidential for recruitment purposes only