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Senior Full-Stack .NET Software Engineer

Location:
Lagos, Nigeria
Posted:
July 06, 2026

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Resume:

ABOUT ME

With over six years of experience in software design and development, I am a dedicated and versatile software engineer. My core expertise is in C# (C-Sharp), with strong proficiency in .NET and PHP. I have extensive experience in cross-platform development, delivering solutions ranging from client-server applications to desktop software. Throughout my career, I have supported legacy systems, implemented new solutions, and designed projects from the ground up. My experience spans both enterprise and startup environments, where I have helped establish efficient development processes and workflows.

I am well-versed in Agile/Scrum methodologies, code reviews, Continuous Integration, and project tracking systems. Additionally, I have provided technical leadership to small teams, including Software Engineers, DevOps professionals, and QA specialists, guiding projects to successful delivery. EDUCATION

Lead City University, Ibadan Nigeria

Computer Science Certificate in Post Graduate. 06/2018 - 07/2020 The Gateway Polytechnic ICT, Ogun, Nigeria

Computer Engineering Certificate in Higher National Diploma 09/2015 - 08/2017 The Gateway Polytechnic ICT, Ogun, Nigeria

Computer Engineering Certificate in National Diploma 09/2012 - 08/2014 SKILL

Core skills .NET (5 years) C# (5 years) LINQ (5 years) MSSQL (5 years) SQL server (5 years) NodeJS (3 years) PHP (3 years) Typescript (3 years) ML.NET (< 1 year)

WORK EXPERIENCE

BACKEND SOFTWARE ENGINEER RealTech IT

02/2026 - NOW

RealTech Company is a technology solutions company specializing in enterprise software development, web applications, and digital transformation services. As a Full Stack Software Developer, I was responsible for designing, developing, maintaining, and enhancing enterprise web applications using ASP.NET Core, C#, Node.js, PHP, SQL Server, and modern web technologies. I developed RESTful APIs, implemented business logic, managed database design and optimization, and built secure authentication and authorization systems.

Adeniran Jamiu

Oluwanisola

***********@***************.***

**************@*****.***

Lagos State, Nigeria, Hồ Chí Minh, Vt

S O F T WA R E D E V E L O P E R

( . N E T CORE, N O D E . J S, P H P)

+234**********

I played a key role in modernizing legacy applications by migrating ASP.NET MVC and Entity Framework 6 solutions to ASP.NET Core and Entity Framework Core. I also converted legacy authentication systems to ASP.NET Core Identity, improved application performance, and enhanced system scalability and maintainability. My responsibilities included troubleshooting, testing, deployment support, code reviews, and collaborating with project stakeholders to deliver reliable software solutions that met business requirements. PROJECT:

Project Name: FICRE Enterprise Management System

Role: Full Stack .NET Developer

Team Size: 3–5 Members

Technologies:

ASP.NET Core 8, C#, Entity Framework Core, SQL Server, ASP.NET Core Identity, Razor Views, JavaScript, jQuery, Bootstrap, HTML5, CSS3, Git

Project Description:

FICRE Enterprise Management System is a web-based business application developed to manage organizational operations, employee records, account administration, user management, reporting, and workflow automation. Responsibilities and Achievements:

• Migrated a legacy ASP.NET MVC 5 application to ASP.NET Core 8.

• Converted Entity Framework 6 data access components to Entity Framework Core.

• Upgraded OWIN Identity authentication and authorization to ASP.NET Core Identity.

• Developed and maintained backend business logic, RESTful APIs, and database integrations.

• Designed and optimized SQL Server database structures, relationships, and queries.

• Converted and enhanced Razor Views and user interface components for ASP.NET Core compatibility.

• Implemented role-based access control, user management, and security features.

• Built modules for employee management, account management, reporting, and workflow processing.

• Improved application performance, scalability, and maintainability through code refactoring and modernization.

• Participated in testing, debugging, deployment support, and ongoing feature enhancements.

.NET DEVELOPER Realtech Global Frontiers & Consult LTD. 11/2024 - 01/2025

Middleware Developer and API Integration Platform

Contributed to the development and maintenance of a robust middleware platform serving as the core API source for over seven projects across multiple organizations. This platform supports seamless integration of services, enabling efficient communication between various applications and systems. The middleware facilitates data exchange, process automation, and improved system interoperability across industries such as finance, logistics, healthcare, and more.

DATABASE ADMINISTRATOR JIRA Ticket Ltd.

01/2024 - 02/2024

Jira Ticket is a small-scale organization in New York, and I worked with them for two months on a contract to correct some database scripts for proper functionality.

PROJECT:

Project name 01/2024 - 02/2024

Description: Managing MS SQL Server database records for Jira tickets Role: Database Administrator

Responsibilities:

Showcased proficiency in Jira Ticket MS SQL Databases Server, leading to a 125% improvement in database query performance.

Tech stack: TSQL, LINQ

Team size: x members

.NET DEVELOPER ELOTECH IT SOLUTIONS LTD

11/2023 - 02/2024

PROJECT:

Project name 11/2023 - 05/2024

Description: Mechanic WorkFlow Automation System

Role: Back End Developer

Responsibilities:

Spearheaded the development of versatile web and standalone of the project using C# and NET Framework, contributing to a 140% increase in overall project efficiency.

Demonstrated expertise by proficiently writing unit tests and executing debugging processes, resulting in a 110% reduction in software bugs

I Review code quality before merge which improves code assurance by 100%

Tech stack: .NET 8v, .NET Frameworks, LINQ, MS SQL Server. SOFTWARE DEVELOPER Lead City University, Nigeria

05/2020 - 09/2022

Lead City University, Ibadan (LCU) is a private University approved by the Federal Government of Nigeria. It has graduated nine sets of students.

PROJECT:

Project name 05/2019 - 09/2022

Description: E-Learning Management System

Role: Front / Back End Developer

Responsibilities:

I developed an e-learning management system web application during the COVID-19 pandemic when students of Lead City University were home. I also built both the online and offline backend for administrators, allowing our ICT department staff to manage it as a team. Additionally, I handled the creation of the student web portal and the integration of the payment system.

Tech stack: .NET 8v, .NET Frameworks, PHP, HTML, Javascript, JQuery, MS SQL Server, LINQ. WEB APPLICATION DEVELOPER TABITHA COLLEGE NIGERIA

11/2018 - 03/2020

TABITHA COLLEGE NIGERIA, located within Redeemer's Camp along the Lagos Expressway, offers various certifications to many students. The institution is coordinated by Prof. Samuel Bamisaye. PROJECT:

Project name 11/2018 - 03/2020

Description: Students Portal System.

Role: Web Developer

FOREIGN LANGUAGE

English (Fluent)

HIGHLIGHT PROJECT

FICRE Enterprise Management System

02/2026 - NOW

Client: Microfinance Bank (Confidential)

Role: Full Stack .NET Developer

Team Size: 1–3 Members

Technologies:

ASP.NET Core 8, C#, Entity Framework Core, SQL Server, ASP.NET Core Identity, JavaScript, jQuery, Bootstrap, HTML5, CSS3, REST APIs, Git

Project Description:

Developed and maintained a secure enterprise management and banking operations system for a microfinance institution. The application supports customer management, account administration, employee management, user access control, reporting, workflow automation, and internal business operations. Responsibilities:

• Migrated legacy ASP.NET MVC and Entity Framework applications to ASP.NET Core 8 and Entity Framework Core.

• Developed backend services, business logic, and RESTful APIs for enterprise operations.

• Designed and optimized SQL Server databases, queries, and data access layers.

• Implemented authentication, authorization, and role-based security using ASP.NET Core Identity.

• Developed modules for account management, customer records, employee administration, reporting, and workflow processing.

Responsibilities:

I manage the entire website, both frontend and backend, using PHP and MySQL for the backend and HTML, CSS, and JavaScript for the frontend.

Tech stack: PHP, MYSQL, Javascript.

SOFTWARE DEVELOPER Redeemer's University, Nigeria

07/2017 - 10/2018

This is 2nd Best University in Nigeria and the Best Private University in Nigeria. We are an award-winning institution. Redeemer's University has made 'Nigeria' proud by emerging the best rated university among 15 prestigious universities selected from West and Central Africa. PROJECT:

Project name 01/2025 - 05/2025

Description: initiate the project from scratch

Role: Front End / Back End.

Responsibilities:

I Developed standalone applications for student result processing using C#, streamlining administrative tasks and reducing processing time by 110%

Tech stack: C#, PHP, MySQL, MSSQL, XML, LINQ

• Improved system performance, maintainability, and scalability through application modernization.

• Performed testing, troubleshooting, bug fixing, deployment support, and ongoing enhancements.

• Collaborated with business stakeholders to deliver secure and reliable software solutions. Note:

This project is proprietary and confidential; source code and public access links are not available due to client privacy and security requirements.

Tertiary Institution Misconduct Web Application

01/2025 - NOW

I Developed and deployed a Tertiary Institution Misconduct Web Application using Node.js and MySQL, enabling efficient tracking, reporting, and management of student disciplinary cases to improve institutional accountability and transparency.

IoT Adoption Challege.

06/2024 - NOW

I create simple ayubaQA for data collections to solve Challenges of IoT Adoption API Testing with Version 8

11/2023 - NOW

his is a standard test API wherein the table and database were generated through code and entity forms. Please review the files to examine the schema contents and ensure that you have an updated version of .NET Framework v8. The project is built on .NET, and your contributions are both welcome and appreciated.

Sylvia Modern Academy Certificate Verification System 05/2026 - 06/2026

Role: Full Stack Node.js Developer

Team Size: 1–3 Members

Technologies:

Node.js, Express.js, MySQL, JavaScript, HTML5, CSS3, Bootstrap, REST APIs Project Description:

Developed a secure online certificate verification system for Sylvia Modern Academy that enables students, employers, institutions, and third parties to verify the authenticity of academic certificates through a web-based platform. The system streamlines certificate validation, reduces fraud, and provides secure access to certification records. Responsibilities:

• Designed and developed the backend application using Node.js and Express.js.

• Created and managed MySQL database structures for certificate records and user management.

• Developed secure certificate verification and validation workflows.

• Built RESTful APIs for certificate lookup and data management.

• Implemented authentication, authorization, and administrative management features.

• Developed responsive user interfaces using JavaScript, Bootstrap, HTML5, and CSS3.

• Optimized system performance, security, and reliability.

• Performed testing, deployment, maintenance, and feature enhancements. Alausa S.T Properties Limited – a real estate platform in Nigeria providing verified land, residential and commercial property sales, rentals, and investment services.

02/2026 - 03/2026

Developed and maintained the Alausa S.T Properties Limited website, a real estate platform in Nigeria for property sales, rentals, and investments. Implemented server-side functionality using Node.js and managed data efficiently with MariaDB. Built features for property listings, user interactions, and investment management while ensuring high performance and reliability.

Name Validation on Core Banking Application(CBA)

06/2025 - 08/2025

Developed and exposed a single SOAP method for name validation within a client’s Core Banking Application (CBA), implementing functionality with test data while ensuring precise compliance with required request and response headers and payload formats.

CRUID API

04/2024 - 04/2024

I create adenix_CRUD Advance class function in php for Novice and Inter-mediate level PHP developer. two factor authentication login

01/2024 - 02/2024

Simple two factor authentication login for one time code password. Biometric staff attendance

05/2022 - 06/2023

Biometric staff attendance, to take staff record and there check in and check out attendance using ZTecho biometric device.

CERTIFICATE

Certificate of Accomplishment Software Engineer

HackerRank 12/2024

HackerRank Certification SQL (Advanced)

https://www.hackerrank.com 02/2024

HackerRank Certification C#

https://www.hackerrank.com 02/2024



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