Database Architect at Heirs Technologies Limited – Lagos

Heirs Technologies Limited is recruiting a Database Architect in Lagos to establish the data architecture of a large-scale dual-cloud financial platform. Working with the Enterprise Architect and guiding database engineers, the architect will own the structure, governance and resilience of the platform’s data layer.

Responsibilities

• Define enterprise data architecture, modelling standards, naming practices and data-domain responsibilities.
• Design replication, failover, consistency and conflict-management patterns across AWS and Azure using PostgreSQL and Apache Cassandra.
• Set standards for relational and distributed NoSQL databases and select suitable technology, including Redis and managed database services.
• Specify partitioning, sharding, indexing, caching and connection strategies for performance at scale.
• Establish encryption, data classification, field-level protection, access-control and audit-logging standards.
• Design data flows for microservices, APIs and event-driven systems, including change data capture, event sourcing and CQRS.
• Ensure data residency and cross-border processing arrangements comply with applicable financial and data protection requirements.
• Produce reference architecture, architectural decision records and governance documentation, and review engineers’ designs.

Requirements

• At least eight years of data or database architecture experience involving large production systems.
• Expert knowledge of PostgreSQL, Cassandra, relational modelling and distributed NoSQL design.
• Experience with multi-region or multi-cloud replication, consistency, high availability and disaster recovery.
• Knowledge of AWS and Azure managed data platforms and data security architecture.
• Ability to document complex architectures and provide technical leadership.

Preferred background

Active-active database designs, Debezium or AWS DMS, data mesh or lakehouse patterns, African data residency requirements, relevant cloud certifications and Redis high-availability expertise are advantageous.