I’m Emmanuel Ezele, a software engineer with 5+ years of experience building backend systems and digital products across any industry. I work at the intersection of engineering, product and business—turning difficult problems into secure, dependable experiences customers can trust and companies can grow on.
A selection of products and systems I’ve helped build. Project details can be expanded as public case studies become available.
Backend systems for a vehicle-care marketplace, supporting business operations, customer and provider workflows, secure access, payments and notifications.
Backend for a payment platform, integrating payment providers and improving API performance through Redis caching and query optimisation.
Secure backend endpoints for registration, loan management and document verification, with credit-scoring integrations and operational logging.
Real-time APIs and services for a gaming platform, using WebSockets and containerised services to support responsive product experiences.
Technology is only valuable when it solves a meaningful problem. I care about the complete system: what the customer needs, what the business must achieve, how the architecture behaves under pressure, and how the team can operate it confidently. I aim to make complexity invisible to the people using the product.
TypeScript, JavaScript, Node.js, Express, NestJS, REST, GraphQL
PostgreSQL, MongoDB, MySQL, Redis, indexing, caching, query optimisation
RBAC, JWT, OAuth2, encryption, rate limiting, secure API design
AWS, Docker, Jenkins, GitHub Actions, CI/CD, deployment workflows
Jest, Mocha, Supertest, API documentation, code reviews, observability mindset
Technical leadership, cross-functional delivery, architecture and trade-off decisions
Deepening my work in distributed systems, application and product security, and AI-enabled software—with a focus on systems that remain reliable, secure and useful as they scale.
Backend architecture, APIs, authentication, database performance, payments and notifications.
Fault-tolerant services, API security, third-party integrations and CI/CD. Reduced query latency by 40%.
Contract backend engineer; REST APIs and monolith-to-microservices migration.
Web and mobile APIs, payment integrations and performance optimisation.
Led product engineering, managed developers and oversaw end-to-end delivery.
Ota, Nigeria.
I’m interested in working with ambitious teams building products that improve customers’ lives and create durable business value.