Senior Engineer: Database at Cellulant Corporation

Cellulant is a digital payments business. We run an ecosystem of consumers, merchants and banks in which we facilitate payments and build value through the value-added services we layer on top. In building this ecosystem we serve different types of customers with different products, in a range that includes mobile banking products, mobile credit products, US...

 

Senior Engineer: Database

  • Job TypeFull Time
  • QualificationBA/BSc/HND
  • Experience5 years
  • LocationNairobi
  • Job FieldICT / Computer 

JOB DESCRIPTION:

The Senior Engineer - Database is a critical role in ensuring the performance, scalability, security, and resilience of our databases. You will work closely with Software Engineers, Infrastructure Engineers, CI/CD Engineers, Data Warehouse Team, Customer Success Teams, and Analytics Team to design, deploy, and manage robust database systems.

This role requires deep technical expertise in database administration, performance tuning, automation, and cloud-based database solutions. You will be responsible for driving best practices, optimizing database performance, ensuring security compliance, and contributing to the architecture of mission-critical systems.

KEY RELATIONSHIPS:

  • Software Engineers.
  • Infrastructure Engineers.
  • CI/CD Engineers.
  • Data Warehouse Team.
  • Customer Success Teams.
  • Analytics Team.

CORE RESPONSIBILITIES:

  • Database Administration: Manage and maintain SQL and NoSQL databases to ensure availability, security, and performance.
  • Performance Tuning & Optimization: Analyze database queries, indexes, and performance bottlenecks, and implement solutions for efficiency.
  • Scalability & High Availability: Architect and maintain scalable and fault-tolerant database solutions using replication, clustering, and partitioning techniques.
  • Automation & Scripting: Automate database maintenance tasks using Python, Bash, Terraform, or Ansible to improve efficiency and reduce manual effort.
  • Backup & Disaster Recovery: Develop and manage reliable backup and restore strategies, ensuring business continuity and minimizing data loss risks.
  • Security & Compliance: Implement and enforce database security best practices, including role-based access control (RBAC), encryption, and compliance with data protection laws.
  • Observability & Monitoring: Set up proactive monitoring and alerting for database health, performance, and capacity planning using tools like Prometheus, Datadog, Grafana, or New Relic.
  • Cloud & On-Premise Database Management: Support both cloud-native (AWS RDS, Aurora, DynamoDB, Google Cloud Spanner, etc.) and self-hosted database solutions.
  • Incident Response & Troubleshooting: Act as a subject matter expert in diagnosing and resolving complex database issues in production environments.
  • Documentation & Knowledge Sharing: Maintain up-to-date documentation and contribute to internal knowledge bases to ensure smooth onboarding and operational excellence.

QUALIFICATIONS & EXPERIENCE:

  • 5+ years of hands-on experience in database administration, engineering, or architecture.
  • Expertise in relational database management systems (RDBMS) such as MySQL, PostgreSQL, SQL Server, or Oracle.
  • Experience managing NoSQL/NewSQL databases such as MongoDB, Cassandra, CockroachDB, or Google Spanner.
  • Strong knowledge of query optimization, indexing, caching strategies, and database schema design.
  • Experience with database replication, clustering, sharding, and failover strategies.
  • Proficiency in Linux-based environments and shell scripting for database operations.
  • Understanding of networking concepts (TCP/IP, DNS, HTTP/HTTPS, security best practices).
  • Experience implementing database security measures, auditing, and compliance (e.g., GDPR, SOC2, PCI DSS).
  • Hands-on experience with Cloud Database Services (AWS RDS, Aurora, Google Cloud SQL, Azure SQL, etc.).

SKILLS:

  • Database Administration for SQL and NOSQL environments
  • Linux Administration.
  • Proficiency in SQL language.Proficiency in open source database engines and tools.
  • Proficiency in cloud database computing.

Method of Application

Interested and qualified? Go to Cellulant Corporation on cellulant-group.breezy.hr to apply

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