Backend Java Developer & Integration Specialist

AKANNI OLUMUYIWA

080******** ************@*****.***

TECHNICAL SKILLS

● Programming Languages and Frameworks: Java (Spring Boot, Java EE, Reactive Programming), HTML5, CSS, JavaScript

● Web Servers: WildFly, Tomcat

● Databases: MS SQL Server, MySQL, PostgreSQL

● Development Environment/IDEs: NetBeans, IntelliJ, Eclipse, Sublime Text, Swagger Editor

● Software Automation Testing Tools: JUnit, Mockito, Selenium, CucumberBDD, Selenium WebDriver, TestNG, Postman

● Messaging and Event Streaming: Apache Kafka, Java Message Service (JMS), Amazon SNS

● Microsoft Office Suite: Word, Excel, PowerPoint, Project

● Others: Apache Kafka, Docker, Kubernetes, Adobe XD, Photoshop ADDITIONAL COMPETENCES

● Ability to lead in-depth technology discussions, articulating the business value of a solution.

● Practical experience in technical platform integration using internet protocols and strong knowledge of the web application development space.

● Excellent analytical, research, problem-solving, communication, and planning skills.

● Commercial and flexible attitude, customer focus, dynamism, and urgency in execution of tasks and delivery.

● Strong advocate of software quality and adherence to the software development lifecycle.

● Ability to work under pressure.

● Good interpersonal skills.

PROJECTS (Team and Personal)

● Customizable Payment Link

● QR Code Generation for Payment Link

● Integration with Banks for Direct Debit (Wema Bank, GT Bank, First Bank, UBA, etc.)

● Integration with IMTO (International Money Transfer Operators)

● Identity Verification Service

● Product Center Application

● Airtime Service

● E-commerce Application for Logistics

● Payment Gateway Solution:

Card Payment Options (Preauthorized Payment, 3D Secure Authorization, Non-3D Secure Payment, Recurring Payment)

Transfer Payment Option

USSD Payment Option

Mobile Money Payment Option

● Merchant Notification and Validation Service

● Bills and Payment Application

● Point of Sales Application (API-Based)

PROFESSIONAL EXPERIENCE

IDEATION HOUSE(Contract)

Senior Software Developer (Java) — 07/2025 - Till Present

● Design and develop new application features while enhancing existing functionality to improve usability and user experience.

● Identify and resolve critical software issues, implementing optimizations that improve system stability and performance.

● Lead the end-to-end development lifecycle—design, coding, testing, and debugging—from concept to production deployment.

● Integrate third-party services and APIs to extend application capabilities and streamline business processes.

● Implement robust unit testing strategies to maximize code coverage and uphold high-quality engineering standards.

● Build scalable, high-performance applications capable of handling increased workloads with optimal response times.

●

Artha FinTech Limited (Montra)

Senior Software Developer (Java) — 07/2023 – 07/2025

● Designed, developed, and maintained both new and existing application features to enhance functionality and user experience.

● Modified software to resolve issues, improve stability, and optimize performance.

● Played a key role in the design, development, testing, and debugging of applications from foundational stages to full-scale production deployment.

● Integrated third-party services and software components to enhance application capabilities.

● Wrote comprehensive unit tests to ensure maximum test coverage and maintain high software quality standards.

● Developed applications with scalability and optimal response time in mind, ensuring efficient system performance under high loads.

ITEX Integrated Service

Backend Engineer (Java) — 09/2021 – 06/2023

● Developed and modified software modules based on business requirements.

● Analyzed designs, implemented, and deployed software programs.

● Integrated software components and third-party programs.

● Modified software to fix bugs and improve performance.

● Developed backend service for processing value-added services (VAS Solutions) on UBA Moni Agency Banking App.

Centric Gateway

Backend Engineer (Java) — 09/2020 – 08/2021

● Developed enterprise application software (Java EE, Spring Framework, Apache Kafka).

● Developed and modified software modules based on business requirements.

● Tested software to ensure responsiveness and efficiency.

● API Automation and effective API writing.

● Troubleshot, debugged, and upgraded software.

● Wrote detailed API specifications used for automation.

● Implemented designs, deployed software programs, and evaluated new programs.

● Wrote and implemented efficient code.

● Integrated software components and third-party programs.

● Executed recommended improvements.

● Modified software to fix bugs and improve performance. Aledoy Solutions Limited

Software Developer (Full-Stack) — 06/2016 – 08/2020

● Designed client-side and server-side architecture.

● Tested software to ensure responsiveness and efficiency.

● Wrote effective APIs.

● Debugged and upgraded software.

Educational Instructor (N.Y.S.C)

06/2015 – 05/2016

● Promoted the progress and well-being of individual pupils and classes.

● Provided guidance and advice to pupils on educational and social matters.

● Planned, prepared, and delivered lessons tailored to each student’s needs and abilities.

● Contributed to oral and written assessments, reports, and references relating to students.

● Planned effective lessons, activities, and sequences of lessons. EDUCATION

● Postgraduate Diploma in Information Technology — National Open University — 2024

● Postgraduate Diploma in Education — National Open University — 2016

● B.Sc. in Chemistry — Federal University of Agriculture, Abeokuta, Ogun State — 2014

● W.A.S.S.C.E — Golden Touch College, Ikotun-Lagos State — 2008 REFEREES

Available on request

Contact this candidate