Olumuyiwa Akanni

I am a highly skilled and results-driven Software Developer with a strong focus on backend development, leveraging Java and related technologies to build scalable, secure, and high-performance applications. With extensive experience spanning FinTech, enterprise software, and payment solutions, I specialize in designing, developing, and optimizing robust backend systems that enhance business efficiency and user experience.

My expertise includes working with Spring Boot, Java EE, JPA, JDBC, and Apache Kafka, along with messaging and event-driven architectures such as JMS and AWS SNS. I have hands-on experience integrating third-party services, developing RESTful APIs, and implementing secure payment solutions. Throughout my career, I have played a key role in designing and maintaining applications, ensuring optimal system performance, security, and scalability.

• Backend Development: Proficient in Java (Spring Boot, Java EE) for developing scalable microservices and enterprise applications.
• Database Management: Experience with MS SQL Server, MySQL, and PostgreSQL, ensuring efficient data storage, retrieval, and optimization.
• Software Testing & Quality Assurance: Strong advocate for software quality, utilizing JUnit, Mockito, Selenium, TestNG, and CucumberBDD to achieve maximum test coverage.
• API Development & Integration: Skilled in RESTful API design, and integration with banking systems, payment gateways, and third-party APIs.
• Messaging & Event Streaming: Hands-on experience with Apache Kafka, JMS, and AWS SNS, implementing real-time and event-driven architectures.
• Performance Optimization & Security: Focus on high-performance computing, optimizing application response times, and ensuring compliance with security best practices.
• Development Environments & Tools: Proficient in IntelliJ, Eclipse, NetBeans, Sublime Text, Swagger Editor, and agile development methodologies.

I have worked on several impactful projects, including:

• Payment Gateway Solutions: Implemented multiple payment options such as card payments (3D Secure, Non-3D Secure, Preauthorized), USSD, and mobile money transactions.
• Bills and Payment Applications: Developed seamless bill payment solutions integrated with financial institutions.
• POS Application Backend (API-Based): Built a robust system enabling secure and efficient POS transactions.
• Identity Verification Services: Developed authentication and validation systems to enhance security and compliance in financial transactions.
• E-commerce & Logistics Applications: Contributed to developing an efficient logistics platform with integrated payment processing.