Ajasa Ridwan

Ajasa Ridwan

Backend Software Engineer

Lagos, Nigeria.

About

Backend Software Engineer specializing in TypeScript, Node.js, and NestJS with experience designing and building scalable backend systems, production-ready APIs, event-driven services, and cloud-deployed applications across fintech, education, sports technology, Web3, and AI-driven products.

Experienced in backend architecture, relational database design, authentication and authorization, asynchronous messaging, distributed application development, and API integrations using PostgreSQL, Oracle, RabbitMQ, Docker, Firebase, and Oracle Cloud Infrastructure. Comfortable owning the full backend development lifecycle from system design and implementation through deployment, debugging, optimization, and production support.

Passionate about building reliable software, improving system performance, and solving complex engineering problems while leveraging modern AI development tools including Claude, ChatGPT, and Cursor to accelerate development without compromising code quality.

Work

Web3 & Media Operations

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Community Management & Technical Operations

Lagos, Nigeria

Summary

Alongside software engineering, managed online communities for multiple Web3 projects by coordinating announcements, moderating discussions, supporting users, and maintaining healthy community engagement across international teams. Currently work as a Media Handler for Honeydan, managing audience communication, content coordination, and brand-facing interactions while collaborating across internal teams. Previously supported influencer outreach initiatives through Rippla by identifying creators, managing outreach efforts, maintaining communication, and building long-term relationships.

Highlights

Strengthened communication and stakeholder management skills.

Improved documentation and cross-functional collaboration.

Applied problem-solving and operational support practices in fast-moving teams.

Independent & Collaborative Engineering Projects

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Backend Software Engineer

Lagos, Nigeria

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Summary

Designed, developed, and deployed backend systems across fintech, education, sports technology, Web3, and automation platforms with a strong focus on scalability, maintainability, and production readiness.

Highlights

Designed and implemented modular REST APIs using NestJS, Node.js, and TypeScript following clean architecture principles.

Built secure authentication, authorization, and role-based access control systems supporting administrative and user-facing applications.

Developed asynchronous processing workflows using RabbitMQ for background jobs, event-driven communication, retries, and queue-based task execution.

Designed relational database schemas in PostgreSQL and Oracle while optimizing SQL queries for performance and maintainability.

Integrated third-party APIs, payment services, blockchain infrastructure, Firebase services, and external data providers into production systems.

Containerized applications using Docker and deployed backend services to Oracle Cloud while gaining practical experience with AWS environments.

Diagnosed and resolved production issues involving APIs, authentication, database performance, deployments, and infrastructure configuration.

Collaborated with engineers across multiple projects using Git-based workflows, code reviews, and Agile development practices.

Leveraged Claude, ChatGPT, and Cursor throughout development for implementation, debugging, documentation, testing, and code quality improvements.

HNG Internship

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Backend Developer Intern

Nigeria

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Highlights

Built backend services using Node.js, TypeScript, and NestJS.

Developed secure REST APIs and authentication features.

Worked with relational databases, API integrations, Git workflows, and collaborative code reviews.

Participated in Agile development, debugging, testing, and feature delivery.

Education

National Open University of Nigeria

Lagos, Lagos State, Nigeria
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Bachelor of Science (B.Sc.) Computer Science

Courses

Data Structures & Algorithms

Systems Analysis & Design

Object-Oriented Programming

Operating Systems

Languages

English

Native

Skills

Programming Languages

TypeScript, JavaScript (ES6+), SQL.

Backend Engineering

Node.js, NestJS, Express.js, Fastify, REST API Development, Authentication & Authorization, JWT, Role-Based Access Control (RBAC), Microservices, Event-Driven Architecture, RabbitMQ, Background Processing.

Frontend

React, Next.js, Tailwind CSS.

Databases

PostgreSQL, Oracle Database, MySQL, MongoDB, Redis, Firebase Firestore.

Cloud & DevOps

Docker, Oracle Cloud Infrastructure (OCI), AWS (Working Knowledge), Linux, Git, CI/CD.

Engineering Practices

API Design, Database Modeling, Performance Optimization, System Design, Production Debugging, AI-Assisted Development.

Technical Strengths

Backend Architecture, Distributed Systems, REST API Design, Authentication & Authorization, Database Design, Event-Driven Systems, Cloud Deployment, Production Debugging, Docker, RabbitMQ, PostgreSQL, Oracle Database, Performance Optimization, AI-assisted Software Development.

Projects

MiniPoly Sports Platform

Summary

Backend Engineer — Designed and contributed to the backend infrastructure powering a production sports prediction platform supporting real-time data processing, market aggregation, and user interactions.

WeFund Investment Platform

Summary

Lead Full Stack Engineer — Designed and developed a crowdfunding and investment platform enabling entrepreneurs to raise capital through structured investment workflows while providing investors with secure portfolio management and project discovery.

Web-Based Automated Price Adjustment System

Summary

Backend Software Engineer — Designed and developed an enterprise pricing management platform for higher education institutions introducing approval workflows, immutable audit trails, and secure administrative controls.

Distributed Notification Service

Summary

Designed an event-driven notification platform supporting asynchronous message delivery and background task execution.

Certificates

Continuous learning in Backend Engineering, Cloud Infrastructure, AI-assisted Development, and Distributed Systems

Self-Directed Learning

HNG Internship Program

HNG Internship