Lead the architecture and reliability of databases like PostgreSQL and MongoDB on AWS, implementing automation and best practices for database operations.
Nium, Global Leader in Payments
Nium, the global leader in real-time, cross-border payments, was founded on the mission to deliver the global payments infrastructure of tomorrow, today. With the onset of the global economy, its payments infrastructure is shaping how banks, fintechs, and businesses everywhere collect, convert, and disburse funds instantly across borders.
Its payout network supports 100 currencies and spans 220+ markets, 100 of which in real-time. Funds can be disbursed to accounts, wallets, and cards and collected locally in 35 markets. Nium's growing card issuance business is already available in 34 countries. Nium holds regulatory licenses and authorizations in more than 40 countries, enabling seamless onboarding, rapid integration, and compliance – independent of geography. The company is co-headquartered in San Francisco and Singapore.
About the Role
Nium is looking for a Senior Database Administrator (DBA) to lead the architecture, performance, and reliability of our PostgreSQL, MongoDB, RedShift and other database platforms hosted on AWS (primarily RDS/Aurora). You'll play a critical role in enabling modern, automated, and resilient database operations that support our engineering and analytics teams.
This is not your traditional DBA role — we're looking for someone who brings both deep database internals knowledge and modern practices like DBOps, schema versioning, infrastructure-as-code, and database CI/CD.
You’ll collaborate closely with DevOps, SREs, and Developers to streamline deployments, improve observability, and build a scalable data platform.
Responsibilities
- Architect, manage, and scale cloud-native PostgreSQL and MongoDB clusters (primarily AWS RDS/Aurora, MongoDB Atlas)
- Implement and maintain schema change automation using tools like Liquibase, Flyway, or equivalent
- Collaborate with engineering teams on schema design, query optimization, indexing strategies, and ORM tuning
- Establish and evolve database CI/CD pipelines integrated with GitOps practices
- Monitor database health and performance using observability tools such as CloudWatch, Datadog, Prometheus/Grafana, or pg_stat_statements
- Drive automation for routine operations: failover, backup validation, data masking, role management, etc.
- Manage and secure database environments with IAM, KMS, and encrypted connections
- Plan and execute migration strategies (engine-to-engine, sharded or replicated setups)
- Document architecture, runbooks, schema evolution, and disaster recovery plans
- Support compliance needs (e.g., audit logging, PCI-DSS, GDPR/data retention policies)
- Coach developers and data analysts on best practices for schema evolution, query design, and performance debugging
Requirements
- 6+ years of production experience with PostgreSQL, MongoDB, and MySQL including high-availability and disaster recovery setups
- Proven experience with cloud-managed databases (e.g., AWS RDS, Aurora, DocumentDB)
- Strong SQL and NoSQL tuning skills; deep knowledge of query plans, vacuum/analyze, index strategies
- Hands-on with Liquibase, Flyway, or similar tools for version-controlled schema management
- Proficient in scripting with Python, Bash, or Go for automation
- Familiarity with AWS CLI/SDK, Terraform, or CloudFormation for database IaC
- Experience with monitoring, alerting, and performance dashboards
- Strong understanding of replication, sharding, WAL tuning, and data lifecycle management
What we offer at Nium
We Value Performance: Through competitive salaries, performance bonuses, sales commissions, equity for specific roles and recognition programs, we ensure that all our employees are well rewarded and incentivized for their hard work.
We Care: The wellness of Nium’ers is our #1 priority. We offer medical coverage along with 24/7 employee assistance program, generous vacation programs including our year-end shut down. We also provide a flexible hybrid working environment (3 days per week in the office).
We Upskill Ourselves: We are curious, and always want to learn more with a focus on upskilling ourselves. We provide role-specific training, internal workshops, and a learning stipend.
We Constantly Innovate: Since our inception, Nium has received constant recognition and awards for how we approach both our business and talent opportunities. Check out CNBC World’s Top Fintech Companies 2024.
We Celebrate Together: We recognize that work is also about creating great relationships with each other. We celebrate together with company-wide social events, team bonding activities, happy hours, team offsites, and much more!
We Thrive With Diversity: Nium is truly a global company, with more than 33 nationalities, based in 18+ countries and more than 10 office locations. As an equal opportunity employer, we are committed to providing a safe and welcoming environment for everyone.
For more detailed region-specific benefits: https://www.nium.com/careers#careers-perks
For more information visit www.nium.com
Depending on your location, certain laws may regulate the way Nium manages the data of candidates. By submitting your job application, you are agreeing and acknowledging that you have read and understand our Candidate Privacy Notice located at www.nium.com/privacy/candidate-privacy-notice.
Top Skills
Aurora
Aws Cli
Aws Rds
Bash
CloudFormation
Cloudwatch
Datadog
Flyway
Go
Grafana
Liquibase
MongoDB
MySQL
Postgres
Prometheus
Python
Terraform
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