The Role
As DBA Lead, you will develop a data platform supporting several databases while leading a team to ensure reliability, security, and performance. You'll use GitOps and automation to empower developers with self-service capabilities.
Summary Generated by Built In
About Unlimit
Unlimit is the global fintech powerhouse behind the world’s largest proprietary payments infrastructure.
Founded in 2009, Unlimit operates across 17 global offices with 700+ experts, seamlessly integrating 1,000+ payment methods into a single platform. From London to São Paulo, we empower businesses to scale across borders with a unified suite of financial tools — including payment processing, alternative payment methods, multicurrency business accounts, card issuing, banking-as-a-service, and crypto on- and off-ramps.
Our mission is to break down financial barriers and enable seamless money movement across borders. We give forward-thinking businesses the tools to accept, send, and manage payments effortlessly, wherever they operate.
We are looking for a DBA Lead to build and scale a world-class data platform supporting Oracle, PostgreSQL (including pgvector), Amazon Aurora/RDS, MongoDB, and DocumentDB. You will lead a hands-on team responsible for reliability, security, performance, and cost efficiency—enabling developers to provision, operate, and evolve databases through self-service, GitOps, and automation. Your work will establish the foundation that ensures data is secure-by-default, observable, and ready to power AI-enabled services across Unlimit.
Must Have:
5–7+ years of experience in database engineering or administration, including at least 2+ years leading DBA teams.
Expert in PostgreSQL, including physical/logical replication, partitioning, performance tuning, connection pooling (PgBouncer / RDS Proxy), vacuum strategy, and pgvector for embeddings.
Expert in Oracle, including backup/restore, AWR/ASH diagnostics, Data Guard or managed equivalents, upgrade and patch strategies, and encryption.
Proven hands-on experience with AWS data services in production: Aurora (Postgres/MySQL), RDS (Postgres/Oracle), DocumentDB, and MongoDB.
Experience with vector databases and embeddings: storage design, ANN indexes, latency tuning, and maintenance strategies.
Proven HA/DR design and PITR implementation experience.
Strong background in security and governance: encryption at rest/in transit, RLS (Postgres) / VPD (Oracle), IAM roles and least-privilege models, Vault/KMS secrets management, and auditing.
Infrastructure as Code for databases (Terraform modules for RDS/Aurora/DocumentDB/Mongo, plus VM-based Postgres/Oracle) with GitOps integration (Argo CD).
Observability expertise: Performance Insights, CloudWatch, AWR, pganalyze/PMM, and the ability to define actionable dashboards and alerts.
Nice to Have:
Experience with multi-region or global topologies (Aurora Global, cross-region logical replication, Mongo/DocumentDB global clusters).
Data migration and CDC tooling (AWS DMS, Debezium) and zero-downtime schema evolution.
Workload isolation and routing strategies (read replicas, follower reads, connection pools, resource quotas).
Cost and capacity optimization: instance and storage rightsizing, IOPS tuning, compression, and reserved instance planning.
Experience integrating database observability signals into AIOps or ChatOps automations.
Join Unlimit Team now!
Unlimit is an equal opportunity employer. We believe passionately that employing a diverse workforce is central to our success. We make recruiting decisions based on your experience and skills. We welcome applications from all members of society irrespective of age, sex, disability, sexual orientation, race, religion or belief.
Top Skills
Amazon Aurora
Documentdb
MongoDB
Oracle
Postgres
Rds
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The Company
What We Do
From London to Singapore and from San Francisco to São Paulo, we help businesses enter new markets, explore new industries, and reach new milestones. We are driven by a deep-seated determination to be the best possible partner for our customers – giving you the support you need to capitalize on a world that’s changing at breakneck speed.
Our mission is to provide innovators with a convenient and simple financial interface that enables payments to flow freely and invisibly across borders. We offer a wide range of services, including payment gateway, card acquiring, business accounts, card issuing, alternative payment methods, and more.
That’s the reason why we are called Unlimit: we provide unlimited growth opportunities for our customers, freeing them from the payment constraints.
Unlimit - Borderless Payments
