Ijeoma Ifeyinwa

Lagos, Nigeria

Ijeoma is a Senior .NET Developer with 10+ years of experience building scalable, cloud-based applications. She specializes in C#, .NET Core, microservices, and cloud platforms like Azure and AWS. Passionate about clean architecture and event-driven systems, she delivers robust backend solutions, optimizes performance, and mentors teams. She is dedicated to impactful digital products that blend modern DevOps with seamless user experiences.

Tell us what you need

Work experience

Backend Team Lead / Senior .NET Developer, Connected Analytics Ltd.

Nov 2022 — Present

Spearheaded the design and deployment of a cloud-native multi-merchant application using Azure Functions, Cosmos DB, Service Bus, and App Services, boosting merchant transactions by 45%. Designed and deployed event-driven microservices, improving backend performance and throughput for 20k+ daily transactions. Implemented secure API gateways using Azure API Management and role-based access (RBAC) with Azure AD and Managed Identities. Automated build and deployment workflows via GitHub Actions, reducing release cycle time by 60%. Authored reusable documentation and patterns for onboarding and architecture governance.

Senior .NET Developer, Leadway Assurance Company Ltd.

Feb 2020 — Nov 2022

Built and maintained scalable bank reconciliation backend services and REST APIs integrated with Citibank’s payment gateway, improving latency by 20%. Implemented Azure Key Vault for secure credential management and enhanced compliance posture. Re-architected internal services to adopt Azure App Services and managed identity, reducing cloud costs and enhancing maintainability. Defined automated test suites with integration tests covering OpenID Connect-based authentication flows.

Digital Banking Developer / .NET Developer, First City Monument Bank (FCMB)

Sep 2018 — Feb 2020

Developed digital wallet APIs and event-driven logic using Azure Functions + Event Grid, leading to a 15% improvement in transaction efficiency. Enhanced financial transaction pipelines for mobile/web platforms with secure OAuth2 flows. Integrated third-party fintech services and ensured end-to-end encryption and secure API calls.

VP Infotech & Innovation / .NET Developer, Codeplus Software Academy

Nov 2015 — Sep 2018

Led ERP implementation from scratch, integrating modules across finance, HR, and procurement, resulting in 30% process efficiency gain. Mentored junior developers and introduced Agile best practices, increasing team delivery capacity by 15%. Implemented test-driven development and code quality standards across all projects.

Technical Manager, New Horizons Computer Learning Centers

Mar 2012 — Nov 2015

Directed the development of internal applications, reducing manual work and improving department-level productivity by 40%. Built SSRS-powered reporting systems, slashing reporting time by 50% for key business units.

Education

MBA Artificial Intelligence — Nexford University USA

Oct 2023 — Oct 2024

BSc.Computer Science — University of Nigeria Nsukka

Jun 2001 — Jul 2005

Interested in working with someone like Ijeoma Ifeyinwa? Tell us what you're trying to build — role, stack, timeline — and we'll come back with a curated shortlist within one working day.