Oluwasegun Akinrinmade: Building Scalable Digital Systems Through Precision Engineering and Innovation
In the evolving world of software engineering, where precision, scalability, and innovation intersect,
Software Engineer | Java, Spring Boot, React | API & Microservices |PostgreSQL, Oracle SQL | JavaScript, Typescript
Oluwasegun (Michael) Akinrinmade stands out as a multi-skilled Software Engineer with deep expertise in Java, Spring Boot, React, and Microservices Architecture. His career reflects a rare blend of technical depth, teamwork, and strategic execution — delivering secure, efficient, and scalable systems for organizations across finance, technology, and digital services sectors.
Currently an Intermediate Backend Engineer at Bazara Tech Inc, Oluwasegun continues to demonstrate his commitment to building world-class technology solutions powered by data, performance optimization, and strong backend architectures. His career journey underscores a passion for continuous learning, process improvement, and excellence in software craftsmanship.
Oluwasegun Akinrinmade is a results-oriented full-stack engineer with a specialization in API development, microservices integration, and backend operations. With hands-on experience in both frontend and backend ecosystems, he designs and develops systems that meet modern industry standards — ensuring security, high performance, and seamless interoperability.
His ability to combine engineering precision with business understanding makes him a strategic partner in developing financial applications, API gateways, and developer portals that enhance both user experience and corporate value.
PROFESSIONAL EXPERIENCE
| Organization | Role / Position | Duration | Key Responsibilities & Achievements |
| Bazara Tech Inc | Intermediate Backend Engineer | Oct 2025 – Present | Leading backend systems design and API integration for high-traffic applications. Collaborating with cross-functional teams to ensure code reliability, scalability, and data integrity across production systems. |
| Software Business Solutions Consulting (Deployed to Stanbic IBTC Bank) | Software Engineer | Nov 2022 – Oct 2025 | Designed and developed the official API Gateway Portal using IBM API Connect, enhancing B2B engagement and creating new revenue streams. Developed limit management, QuickTeller API, and POS settlement cron services, improving performance and settlement accuracy. Built API billing and microservices systems, reducing operational friction and improving scalability by 30%. |
| Tenece Professional Services | Software Engineer (IBM API Connect / Java Developer) | Apr 2022 – Oct 2022 | Designed and built the Stanbic IBTC Developer Portal, improving developer accessibility and integration speed. Converted APIs from SOAP to JSON, modernizing data exchange systems. Enhanced enterprise systems using Spring Boot, Oracle SQL, and Linux-based environments. |
| **New Horizons Central | Computer Learning Centers** | React Developer | Mar 2021 – Mar 2022 |
| Machito’s Ebony & Sons Nigeria Ltd | Digital Marketer | Jan 2021 – Nov 2021 | Developed and optimized digital presence for clients through branding and web platform creation. Bridged technical and marketing operations, contributing to the growth of startup visibility and client satisfaction. |
EDUCATIONAL BACKGROUND
| Institution | Qualification | Field of Study | Duration |
| University of Lagos | Master of Science (M.Sc.) | Information and Technology | Nov 2024 – Aug 2026 |
| Ladoke Akintola University of Technology (LAUTECH) | Bachelor of Technology (B.Tech) | Agronomy | 2012 – 2019 |
CERTIFICATIONS
- Problem-Solving Techniques
- JAVA Programming Masterclass for Software Developers
- Process Improvement Foundations
- Principles of Secure Coding
- Master Microservices with Spring Boot and Spring Cloud
CORE TECHNICAL EXPERTISE
- Languages & Frameworks: Java, Spring Boot, JavaScript, React, TypeScript, Next.js
- Databases: Oracle SQL, PostgreSQL
- APIs & Integration: IBM API Connect, REST APIs, JSON Web Token (JWT)
- Microservices: Architecture Design, Integration, Deployment
- DevOps Tools: CI/CD Pipelines, Docker, Git, Postman
- Soft Skills: Analytical Thinking, Team Collaboration, Problem Solving, Communication
KEY ACHIEVEMENTS
- Successfully engineered the Stanbic IBTC Developer Portal, one of Nigeria’s premier financial technology platforms, supporting thousands of API transactions daily.
- Developed automated cron services for transaction settlement and billing, achieving 95% success rates across APIs.
- Modernized legacy systems by converting SOAP to JSON APIs, improving interoperability and performance by 40%.
- Implemented scalable limit management services (Naira and Dollar), enhancing system reliability and operational accuracy.
Oluwasegun believes that great software is built on purpose, precision, and collaboration. His approach merges engineering excellence with user empathy — ensuring that technology doesn’t just function, but creates value.
He continues to refine his expertise in microservices, secure coding, and cloud-driven systems, aspiring to contribute to the development of innovative digital ecosystems across Africa and the global market.
Oluwasegun (Michael) Akinrinmade represents the new wave of African software engineers who are redefining the global technology landscape. His journey — from building developer APIs to leading large-scale backend systems — is marked by discipline, innovation, and impact.
As technology continues to shape economies, Oluwasegun stands at the forefront of scalable digital transformation, proving that precision and purpose remain the true hallmarks of engineering excellence.
Connect with Oluwasegun Akinrinmade:
www.linkedin.com/in/michael-developer
Portfolio: michael-react-website.netlify.app
