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Tata Consultancy Services · Singapore

# Senior MongoDB Expert

Singapore Senior individual contributor 

Last seen on Tata Consultancy Services’s official careers site on August 1, 2026; it may have closed since.
[Apply on Tata Consultancy Services’s careers site →](https://ibegin.tcsapps.com/candidate/jobs/411938J)

[OpenNash Jobs](https://jobs.opennash.com/) / [Tata Consultancy Services](https://jobs.opennash.com/companies/tata-consultancy-services/) / Senior MongoDB Expert

## Job description

### Roles & Responsibilities

Senior MongoDB expert with 10+ years of overall experience, including deep hands‑on expertise in MongoDB within large‑scale, regulated banking environments. Proven capability to support CTB initiatives such as legacy modernisation, Oracle‑to‑MongoDB migrations, cloud or platform transformations, and NoSQL re‑architecture. Strong experience in RTB, including performance tuning, production stability, issue diagnosis, capacity planning, and resilience improvements for critical applications.

Expert knowledge of MongoDB data modelling, NoSQL design patterns, indexing strategies, query optimisation, and high‑availability setups for financial systems. Experience integrating MongoDB with Java / Spring Boot / microservices architectures, supporting both new build and existing estates. Understanding of data security, data masking, anonymisation, and regulatory controls, aligned to enterprise banking standards. Ability to work closely with application teams, DevOps, SRE, infrastructure, and platform teams to drive end‑to‑end outcomes.

## At a glance
- Posted by the employer: Not stated
- First seen by OpenNash: Aug 1, 2026
- Last checked: Aug 1, 2026
- Listed for: Under a day
- Location: Singapore[Apply on Tata Consultancy Services’s careers site →](https://ibegin.tcsapps.com/candidate/jobs/411938J)

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