Job Description
The Role
As a DB Specialist, you will be responsible for designing and optimising MongoDB-based data models for large-scale, cloud-native systems. The role involves enabling data modernisation through API-first and event-driven architectures, leading database migration initiatives, and ensuring scalable, high-performance data solutions aligned to industry standards.
Your responsibilities:
Design MongoDB document‑based data models aligned to:
* TMF Open APIs & SID standards
* Event‑driven, API‑first architecture
Optimize for:
* Flexible schema evolution
* High‑velocity reads/writes
* Reduced joins via embedded documents
Define indexing and aggregation strategies
Define and execute heterogeneous migration strategy from Oracle to MongoDB
Support:
* Initial bulk data loads
* Incremental / delta migration
* Parallel‑run and reconciliation (if required)
* Work with cloud teams on AWS‑based migration tooling (e.g., DMS / Glue where applicable)
Areas of expertise:
* MongoDB data modelling (document, embedding vs referencing)
* Indexing & aggregation pipelines
* Schema design for microservices & APIs
* MongoDB Atlas (preferred)
Your Profile
Essential skills/knowledge/experience: (Up to 10, Avoid repetition)
* Strong expertise in MongoDB data modelling, including embedding vs referencing strategies
* Hands-on experience with indexing and aggregation pipelines
* Experience designing schemas for microservices-based and API-driven systems
* Exposure to event-driven architectural patterns
* Practical experience with relational-to-NoSQL migration strategies
* Knowledge of MongoDB Atlas (preferred)
* Understanding of data performance, scalability, and availability considerations
* Experience working in large-scale integration environments
* Desirable skills/knowledge/experience: (As applicable)
o Telecom or provisioning domain experience
o Exposure to TM Forum (TMF) standards and frameworks
o Experience in large-scale transformation or modernisation programs
o Understanding of AWS serverless platforms
o Basic knowledge of DevOps and CI/CD practices
o Experience working in Agile/Scrum delivery models