Paystack
fintech
SeniorDatabaseAdministrator
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“Senior Database Administrator at Paystack. Skills: database architecture, database strategy, relational databases, NoSQL databases, cloud-managed database services, Infrastructure as Code, automation, observability, AI-driven tools. design, implementation, performance, and reliability of our database systems. ensure our databases are highly available, performant, and secure”
Industry & Context.
Impeccable problem-solving and analytical abilities, especially under pressure during incidents; Proven ability to diagnose and resolve complex performance issues
What They're Looking For.
Must Have
5+ years of experience as a Database Administrator or Database Reliability Engineer, Deep expertise with relational databases such as MySQL, including replication, partitioning, and high availability configurations, Solid experience with NoSQL databases such as Redis, MongoDB, Experience operating databases on AWS (RDS, Aurora) or similar cloud-managed database services, Hands-on experience with Infrastructure as Code tools like Terraform for provisioning and managing database infrastructure, Proficiency in writing scripts and automation using SQL, Python, Bash, or similar languages, Experience with database observability using monitoring and alerting tools like Prometheus, Grafana, and CloudWatch, Experience using AI-assisted tooling (e.g., AI-powered query advisors, LLM-based copilots, or automated performance analysers) to improve database operations and troubleshooting workflows, understanding of database backup, recovery, and disaster recovery strategies, Proven ability to diagnose and resolve complex performance issues in high-throughput, low-latency transactional systems, Ability to clearly articulate, implement, and document design decisions around data modelling and database architecture
Nice to Have
Bachelor's degree in Computer Science, Engineering, or a related field might be beneficial but not required, Experience in the fintech industry or with payment processing systems, particularly with PCI DSS compliance as it relates to data storage and handling, Experience with database change management and CI/CD for schema migrations (e.g., Flyway, Liquibase, gh-ost), Familiarity with data warehousing, analytical databases, or streaming platforms such as Kafka
What You'll Do.
and reliability of our database systems
ensure our databases are highly available
Owns database architecture and strategy end to end
Designs and implements database solutions that are scalable
Plans and executes database migrations
and schema changes with minimal downtime
Builds and maintains automated database provisioning
and recovery pipelines
Proactively identifies and resolves performance bottlenecks
Leverages AI-driven tools and techniques for anomaly detection
predictive performance tuning
and automated root cause analysis
Implements and manages database monitoring and alerting
Designs and enforces database security policies
Leads incident response for database-related outages
conducts root cause analysis
drives postmortems to prevent recurrence
Develops and maintains disaster recovery and business continuity plans
How You'll Work.
Team & Collaboration
collaborating across engineering teams; work closely with product engineering, DevOps, and Data teams; Effective communication and collaboration skills, with the ability to explain complex database concepts to non-database engineers; work closely with other members of the department including members of the Devops, Observability, Security teams and quite heavily with other product engineering teams
Communication Scope
Effective communication and collaboration skills, with the ability to explain complex database concepts to non-database engineers; Ability to clearly articulate, implement, and document design decisions
Full Job Description
About Paystack Paystack's mission is to power African ambition. Over 300K of some of the most renowned businesses in Nigeria, as well as a growing number of merchants in South Africa, Ghana, and Kenya use Paystack's modern payments gateway. They include the likes of MTN, Burger King, UPS, AXA Mansard Insurance, FairMoney, PiggyVest, FilmHouse Cinemas, Smile Communications, Air Peace Airlines, Crocs, Under Armour, Richemont Lifestyle Group (RLG), and many others. In just over 9 years, our growing team has introduced a steady cadence of innovation within the online payments landscape, such as automated recurring payments, the ability for customers to pay directly from their bank accounts, automated chargebacks, and much more. We've been acquired by Stripe and are doubling down on the mission to help build out Africa's payments infrastructure. We're obsessed with building the best place to work on the continent while accelerating digital commerce across Africa and we need your help! Role Summary As a Senior Database Administrator at Paystack, you will be responsible for the design, implementation, performance, and reliability of our database systems. You will work closely with product engineering, DevOps, and Data teams to ensure our databases are highly available, performant, and secure. The ideal candidate will have deep expertise in relational and non-relational database technologies, and an understanding of modern infrastructure practices including Infrastructure as Code, observability, and automation. Key Responsibilities Owns database architecture and strategy end to end, often collaborating across engineering teams. Designs and implements database solutions that are scalable, highly available, and fault-tolerant to support mission-critical payment workloads. Plans and executes database migrations, upgrades, and schema changes with minimal downtime. Builds and maintains automated database provisioning, backup, and recovery pipelines using Infrastructure as Code t
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