Noble Eselase Vulley
Database Manager & Administrator
Co-founder, AfricodeLab
Experience
Database Manager & Administrator
2023 – PresentAfricodeLab
- —Designed scalable database architectures for client-facing applications on MySQL, Oracle, and PostgreSQL.
- —Cut query execution times by up to 40% through indexing, query rewriting, and schema optimization.
- —Established backup, recovery, and disaster-recovery strategies and ran live, zero-downtime migrations.
Database Engineer — Microservices Platform
2023 – 2025AfricodeLab
- —Designed the persistence layer for the microservices platform — schema-per-service isolation in PostgreSQL with clear data-ownership boundaries.
- —Modeled the databases for core domain services including Delivery Management and Event Processing.
- —Standardized connection pooling, migrations, and configuration management across services.
Database Engineer — Enterprise Systems
2023 – PresentAfricodeLab
- —Designed and tuned the databases behind Payroll Management and Payment Voucher systems, including reporting and audit queries.
- —Designed the database schema and ER model, and optimized queries, for a national-scale Election Management System.
- —Enforced schema conventions, constraints, and migration practices across applications.
Database Developer — Logistics Backend
2022 – 2024Independent consultancy
- —Optimized database queries for a logistics platform, improving throughput by 35%.
- —Designed normalized relational schemas and integrated third-party data sources.
- —Refactored the data-access layer to reduce technical debt and improve maintainability.
Selected Projects
Database Engineer
Designed the database schema and ER model, and optimized queries and indexing, for a national-scale election platform.
Spring Boot · PostgreSQL · React · REST
Database Engineer
Modeled the multi-tenant schema with Flyway migrations and an immutable audit trail; tuned queries across the approval workflow.
Spring Boot · React · PostgreSQL · Flyway · OpenPDF
Database Architect
Designed schema-isolated PostgreSQL databases per microservice, preserving data integrity across service boundaries.
Spring Boot · Rust · Python · Eureka · RabbitMQ · PostgreSQL
Database Engineer
Designed the MySQL schema for subnet, device, and IP-assignment tracking under role-based access.
Spring Boot · Vue.js · MySQL · Spring Security
Database Engineer
Designed the dual data model — a Neo4j graph plus PostgreSQL metadata — powering the influence-analytics engine.
Python · Neo4j · NetworkX · PostgreSQL · Next.js · scikit-learn
Database Engineer
Modeled the schema with Alembic migrations and a Redis caching strategy to keep live pricing fast.
Python · FastAPI · scikit-learn · WebSocket · Flutter · Redis
Publications
A Hybrid BPSO-PSO Optimized Multilayer Perceptron Framework for Enhanced Heart Disease Prediction
Nathanael Ayirebaje Azuponga, Jumah Musah, Courage Adzewoda, Noble Eselase Vulley, Justice Kwame Appati, Michael Agbo Tettey Soli.
Innovative Computing and Communications (ICICC 2025). Lecture Notes in Networks and Systems, Springer Nature Switzerland, 2026, pp. 254–264.
DOI: 10.1007/978-3-032-30005-8_21