Bolaji Kolawole

Software Development Engineer
Lagos, NG.

About

Highly accomplished Software Development Engineer with over 4 years of experience specializing in designing, building, and operating scalable, high-availability distributed systems. Expert in payment processing, API development, and backend architectures, with a proven track record of delivering robust production systems in fast-paced environments. Eager to leverage deep expertise in system design and payment automation to contribute to Amazon Digital Acceleration's next-generation platforms.

Work

INTRASOFT
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Software Engineer

Lagos, Lagos, Nigeria

Summary

Designed and implemented scalable backend services to support secure payment processing and real-time transaction verification, ensuring high reliability and data integrity for production client applications.

Highlights

Designed and implemented scalable backend services, enabling secure payment processing and real-time transaction verification for critical financial operations.

Built and maintained robust RESTful APIs, ensuring high reliability, optimal performance, and data integrity for production client applications.

Engineered webhook-driven architectures to facilitate asynchronous event processing and automated payment reconciliation, enhancing system efficiency.

Owned end-to-end feature development, encompassing requirements analysis, system design, implementation, testing, deployment, and ongoing production support.

Collaborated with cross-functional stakeholders to translate complex business and regulatory requirements into precise technical solutions.

Improved system stability by identifying architectural bottlenecks and optimizing database queries and API performance, enhancing overall service resilience.

Upwork
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Freelance Software Engineer

Remote

Summary

Architected and delivered end-to-end software solutions for diverse clients across e-commerce and digital platforms, managing projects independently from concept to deployment.

Highlights

Architected and delivered comprehensive end-to-end software solutions for multiple clients, enhancing functionality across e-commerce and digital platforms.

Designed robust backend systems for critical shopping and payment workflows, including order processing, subscriptions, and user management, ensuring seamless operations.

Developed scalable and maintainable APIs for product catalogs, carts, and order lifecycles, supporting high transaction volumes and data integrity.

Integrated third-party payment providers and implemented secure authentication and authorization flows, safeguarding sensitive financial data.

Managed projects independently, from gathering requirements and proposing architectural designs to delivering production-ready systems, consistently meeting client specifications.

The Ratio
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Student Intern – Software Engineering

Lagos, Lagos, Nigeria

Summary

Collaborated with senior engineers to develop and maintain web applications, actively participating in live coding sessions and architecture discussions to strengthen engineering fundamentals.

Highlights

Collaborated effectively with senior engineers on the development and maintenance of critical web applications, contributing to project success.

Actively participated in live coding sessions, system walkthroughs, and architecture discussions, gaining practical insights into complex software design.

Strengthened foundational knowledge in clean code principles, system thinking, and professional engineering practices, enhancing development capabilities.

Bsquare Consultants
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IT Specialist

Lagos, Lagos, Nigeria

Summary

Planned and executed web solutions for individuals and organizations, maintaining legacy systems and mentoring trainees on programming best practices.

Highlights

Planned and executed diverse web solutions for individuals and organizations, delivering functional and tailored digital experiences.

Maintained and improved the reliability of legacy PHP and JavaScript systems, ensuring continuous operation and enhanced performance.

Mentored trainees on programming fundamentals and best practices, fostering skill development and promoting high-quality coding standards.

Education

National Open University of Nigeria (NOUN)
Lagos, Lagos, Nigeria

Bachelor of Science (BSc)

Computer Science

The Polytechnic of Ibadan
Ibadan, Oyo, Nigeria

National Diploma

Languages

English

Skills

Programming Languages

JavaScript, TypeScript, PHP.

Backend & Architecture

Node.js, RESTful APIs, Service-oriented architecture, Payment systems, Webhooks.

Frontend

React, React Native.

Datastores

MySQL, MongoDB.

Cloud & DevOps

AWS fundamentals, CI/CD pipelines, Git-based workflows.

Engineering Practices

System design, scalability, reliability, code reviews, testing, trunk-based development.

Transferable Skills

Distributed systems, High-availability systems, Full software development lifecycle, Complex problem-solving, System design, Requirements analysis, Implementation, Deployment, Production support, Cross-functional collaboration, Architectural optimization, Database query optimization, Independent project management, Mentorship, Remote team collaboration.

Projects

Digital Payments & Royalties Processing Systems

Summary

Led the design and implementation of robust payment workflows and reconciliation pipelines for financial transactions.

On-Demand Marketplace Platform

Summary

Developed scalable backend services and APIs for an on-demand marketplace, managing orders, vendors, and real-time operational data.