I am a highly skilled .NET engineer with experience in architecting, developing, and maintaining scalable, secure software solutions for back-end services. I excel in leveraging the Microsoft technology stack, including ASP.NET Core and ASP.NET MVC, to build high-performance applications that address complex business needs. I thrive in collaborative, cross-functional teams and am passionate about delivering robust software with a strong focus on security, performance, and user experience. I am eager to contribute technical leadership to innovative, agile organizations that value excellence and continuous learning.

IFunanya Williams Onah

I am a highly skilled .NET engineer with experience in architecting, developing, and maintaining scalable, secure software solutions for back-end services. I excel in leveraging the Microsoft technology stack, including ASP.NET Core and ASP.NET MVC, to build high-performance applications that address complex business needs. I thrive in collaborative, cross-functional teams and am passionate about delivering robust software with a strong focus on security, performance, and user experience. I am eager to contribute technical leadership to innovative, agile organizations that value excellence and continuous learning.

Available to hire

I am a highly skilled .NET engineer with experience in architecting, developing, and maintaining scalable, secure software solutions for back-end services. I excel in leveraging the Microsoft technology stack, including ASP.NET Core and ASP.NET MVC, to build high-performance applications that address complex business needs.

I thrive in collaborative, cross-functional teams and am passionate about delivering robust software with a strong focus on security, performance, and user experience. I am eager to contribute technical leadership to innovative, agile organizations that value excellence and continuous learning.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Intermediate

Language

English
Fluent

Work Experience

Software Engineer at Sterling Bank Plc
November 1, 2023 - Present
Provided and maintained critical banking service APIs across multiple domains including transfers, billing, and investments, ensuring reliable integration and support for various financial operations while maintaining high availability and performance standards for the new Sterling mobile application.
Software Developer at Ahegel Technologies Ltd
January 1, 2023 - November 30, 2023
Pioneered the development of a cloud-native banking/telehealth-enabled application using CQRS architecture; implemented GDPR/data protection measures; delivered OTP-based customer debiting and revenue-sharing features; led migration to cloud-native Azure services to improve scalability and maintainability.
Technical Account Manager Intern at dLocal
September 1, 2022 - February 28, 2023
Facilitated merchant integration with the dLocal API, ensuring seamless connectivity and functional integrations. Tested and resolved issues during the integration process to guarantee optimal performance. Provided technical support to merchants and documented client requests to drive continuous process improvements.
Net Developer Intern at The Bulb Africa
January 1, 2022 - August 31, 2022
Collaborated with frontend developers, UI/UX designers, and product managers to ensure seamless alignment between technical solutions and business goals. Developed RESTful APIs, microservices, and other backend services.
Mathematics Tutor (Middle School) at Adorable British College
February 1, 2020 - August 31, 2021
Plan and present lessons; grade assignments, quizzes, and exams in a timely manner; advise and mentor students and address concerns with the Pastoral Lead as needed.
Head, Mathematics Department at Doyen Academy, School of Preliminary Studies
May 1, 2019 - January 31, 2020
Facilitated departmental meetings and assessed teacher performance; analyzed exams and student performance data; planned the curriculum and developed a scheme of work with colleagues across the department.
Cambridge A Level Mathematics/Physics Tutor at Doyen Academy, School of Preliminary Studies
May 1, 2018 - January 31, 2020
Planned and delivered lessons; graded assignments, quizzes, and examinations, and mentored students to support academic progress.
Software Intern at Maventeq Systems Limited
June 1, 2013 - December 31, 2013
Edited and posted new job openings for clients in the company’s job portal; performed software development tasks with HTML, CSS, JavaScript, and PHP.

Education

BEng in Electronic Engineering at University of Nigeria, Nsukka
September 1, 2009 - August 31, 2014

Qualifications

Kubernetes and Cloud Native Associate Exam (KCNA)
July 1, 2025 - July 31, 2027
GitHub Copilot
October 1, 2025 - October 31, 2027

Industry Experience

Software & Internet, Financial Services, Education, Professional Services, Government
    paper Lawma

    LAWMA is an automated revenue distribution application that streamlines government revenue management. The platform collects fees from citizens for government utilities and intelligently distributes funds to stakeholders based on predefined percentages and the geographical zones where revenue was collected. It features sophisticated spooling mechanisms to aggregate payments and execute scheduled distribution runs. The system includes robust retry logic to ensure reliable transfers even during network disruptions, automatically reattempting failed transactions until completion. Stakeholders receive real-time notifications and detailed reports on disbursements, while comprehensive audit trails track every transaction for accountability. LAWMA automates traditionally manual processes, reducing errors and ensuring timely, accurate revenue sharing among government entities.

    paper Doubble

    Doubble is Sterling Bank’s dedicated investment management application designed to help users grow their wealth through diverse savings and investment options. The app offers multiple portfolio types tailored to different financial goals and risk appetites, including Target Savings for goal-oriented savers, Flexi Investment for those seeking flexible access to funds, and Platinum Investment for premium investment opportunities with competitive returns. Each savings portfolio comes with varying interest rates and investment tenures, allowing users to choose plans that align with their financial objectives. The platform provides flexibility with early termination options, enabling users to access their funds before maturity when needed, though each portfolio type has its own specific terms and conditions for pre-maturity withdrawals. Doubble features an intuitive dashboard that tracks investment performance in real-time, provides detailed analytics on returns, and sends timely notifications about maturity dates and interest accruals. With automated investment options, users can set up recurring deposits to build their savings consistently. The app combines robust security measures with a user-friendly interface, making wealth building accessible and straightforward for both first-time investors and experienced savers looking to maximize their returns.

    paper OneBank

    OneBank is Sterling Bank Nigeria’s comprehensive mobile banking application that provides customers with seamless access to their financial services. The app offers a full suite of banking features including local and international money transfers, bill payments for utilities and services, and a streamlined onboarding process for new customers. Users can also manage their accounts, check balances and transaction history, apply for loans and credit facilities, set up recurring payments and standing orders, perform cardless withdrawals, and access customer support. The platform includes robust security features such as biometric authentication and transaction alerts, while also offering personalized financial insights and budgeting tools to help customers make informed financial decisions. With its intuitive interface and real-time transaction processing, OneBank delivers a modern digital banking experience that empowers customers to manage their finances anytime, anywhere.