DBA Intern
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Key skills for this role
About the Role
Tabby offers a paid DBA internship for strong early-career engineers to work on production database systems including PostgreSQL. Interns will investigate slow queries, review schema changes, maintain backups, and support replication operations.
Key Skills for This Role
Responsibilities
- Investigate slow queries on PostgreSQL — read execution plans, analyze query statistics, propose index changes or query rewrites
- Review DDL/DML change requests from product teams: lock implications, backfill safety, rollout strategy, rollback plan
- Help maintain backup and point in time recovery procedures; participate in restore drills
- Contribute to replication operations — streaming replicas, promotion runbooks, replica lag investigations, connection pool tuning
- Support live database migrations and cross cluster cutovers
- Help operate data migration tooling
- Triage capacity and resource issues: bloat, autovacuum tuning, partition maintenance, IOPS planning
- Build and refine observability — dashboards, monitors, query stats, wait event analysis, replication lag tracking
- Maintain operational runbooks, SOPs, and post incident write ups
- Support secure data handling reviews together with security and risk teams
- Participate in on call shadowing alongside senior engineers
Requirements
- Working knowledge of at least one programming or scripting language (Python, Go, or Bash)
- Solid SQL skills: joins, aggregation, window functions, CTEs, subqueries
- Understanding of relational database fundamentals: ACID, transaction isolation levels, indexes, normalization
- Conceptual understanding of how a query planner works and how to read an execution plan
- Familiarity with Linux command line and POSIX like environments
- Understanding of TCP/IP, DNS, and basic networking
- Ability to read, understand, and modify existing codebases
- Experience with Git and standard development workflows
- Strong ethical mindset and discretion
- English sufficient for documentation and team communication
- Hands on experience with PostgreSQL
- Saudi nationals only
Full Job Posting
Description
- Tabby builds financial products used by millions of users across the GCC.
- The Database Engineers group (DBA) is part of Infrastructure and keeps Tabby's databases reliable, performant, and recoverable.
- This internship is an engineering role with real responsibility, not educational by default.
Key Responsibilities
- Investigate slow queries on PostgreSQL — read execution plans, analyze query statistics, propose index changes or query rewrites, and validate impact on staging.
- Review DDL/DML change requests from product teams: lock implications, backfill safety, rollout strategy, rollback plan.
- Help maintain backup and point in time recovery procedures; participate in restore drills.
- Contribute to replication operations — streaming replicas, promotion runbooks, replica lag investigations, connection pool tuning.
- Support live database migrations and cross cluster cutovers: pre cutover validation, monitoring during cutover, post cutover checks.
- Help operate data migration tooling: review deployments, manage migration batches under senior approval, monitor migration metrics.
- Triage capacity and resource issues: bloat, autovacuum tuning, partition maintenance, IOPS planning.
- Build and refine observability — dashboards, monitors, query stats, wait event analysis, replication lag tracking.
- Maintain operational runbooks, SOPs, and post incident write ups.
- Support secure data handling reviews together with security and risk teams (PII fields, encryption at rest, role based access).
- Participate in on call shadowing alongside senior engineers.
Skills, Knowledge & Expertise
- Working knowledge of at least one programming or scripting language (Python, Go, or Bash).
- Solid SQL skills: joins, aggregation, window functions, CTEs, subqueries.
- Understanding of relational database fundamentals: ACID, transaction isolation levels, indexes (B tree, hash), normalization, primary and foreign keys.
- Conceptual understanding of how a query planner works and how to read an execution plan (EXPLAIN, EXPLAIN ANALYZE).
- Familiarity with Linux command line and POSIX like environments.
- Understanding of TCP/IP, DNS, and basic networking.
- Ability to read, understand, and modify existing codebases.
- Experience with Git and standard development workflows.
- Strong ethical mindset and discretion — production data is sensitive by default.
- Open to constructive feedback.
- English sufficient for documentation and team communication.
- Hands on experience with PostgreSQL — even from personal projects, university coursework, or open source contributions.
Format
- Paid internship.
- Full integration into the Database Engineers group within Infrastructure.
- Distributed engineering team across multiple countries.
- Open to Saudi nationals (Saudi passport required); location flexible — candidates may be based outside KSA.
- Office first in Riyadh where possible.
- Clear path to a junior Database Engineer role based on performance.
About Tabby
- Tabby creates financial freedom in the way people shop, earn and save.
- Over 32,000 global brands and small businesses use Tabby.
- Tabby has generated over $7 billion in transaction volume for its partner brands.
- Tabby launched operations in 2020 and has raised +$1 billion in equity and debt funding.
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