Olaoluwa Samuel Ajeigbe

Software Engineer
Lagos, NG.

About

Highly proficient Backend Engineer specializing in Node.js, Express.js, and MongoDB, with a strong track record of developing and deploying robust, scalable, and secure web applications. Expert in crafting complex authentication and authorization systems, integrating secure payment gateways (Stripe), and building real-time communication features (Socket.IO). Eager to leverage deep technical expertise to contribute to innovative projects and drive significant value in a dynamic engineering environment.

Work

Tempho
|

Backend Engineer

Remote, N/A, N/A

Summary

Led backend development for Tempho, a comprehensive real estate management platform, connecting landlords and guests for property bookings and management, slated for launch on major app stores.

Highlights

Implemented secure authentication and authorization flows for both guests and landlords, enhancing platform security and user access control.

Developed a real-time, encrypted chat system using Socket.IO, facilitating secure communication between guests, landlords, and admin users.

Integrated Stripe payment gateway, enabling seamless and secure online transactions for property bookings.

Engineered a dynamic booking system, empowering guests to efficiently book properties and manage reservations.

Constructed a robust notification system, ensuring users receive timely updates on bookings, payments, and messages to improve engagement.

Implemented social login (OAuth 2.0) with Google, streamlining user registration and login processes.

Ibadan DevFest
|

Backend Engineer

Remote, N/A, N/A

Summary

Engineered the backend for Ibadan DevFest's dynamic puzzle game application, designed to foster engagement and competition among festival participants.

Highlights

Designed and implemented secure user authentication, ensuring protected access for all participants.

Developed real-time leaderboard profiles, accurately tracking and showcasing user rankings and competition progress.

Afro-European
|

Backend Engineer

Remote, N/A, N/A

Summary

Contributed as a Backend Engineer to Afro-European, an educational and tourism mobile app promoting African culture, set for launch on Google Play Store.

Highlights

Developed comprehensive authentication systems, an admin dashboard, and user profile functionalities, ensuring secure and personalized user experiences.

Implemented robust modules for video content management and exploration features, enhancing user engagement with cultural content.

Designed efficient category and sub-category structures, optimizing content organization and navigability for users.

Collaborated closely with the mobile development team to define precise API contracts, ensuring seamless frontend-backend integration.

Ensured robust validation and error handling mechanisms, maintaining data integrity and significantly enhancing user experience.

Made-in-Nigeria
|

Backend Engineer

Remote, N/A, N/A

Summary

Engineered backend components for Made-in-Nigeria, an e-commerce platform empowering companies to showcase products and facilitate direct purchases from vendors.

Highlights

Designed and implemented a secure payment gateway, enabling seamless transactions for customers and vendors.

Developed dynamic category and sub-category modules, optimizing product organization and discoverability across the platform.

Created and integrated a comprehensive terms and conditions module, enhancing platform compliance and user trust.

DevCareer Africa
|

Backend Engineer

Remote, N/A, N/A

Summary

Developed backend functionalities for DevCareer Africa, a web platform providing learning resources, mentorship, and career opportunities for aspiring developers.

Highlights

Implemented secure user authentication, authorization, and password management features, enabling controlled user access and account security.

Developed and integrated robust email verification functionality, significantly enhancing account validation and security protocols.

Collaborated effectively with the frontend team to seamlessly integrate backend processes using Node.js and Express.js, ensuring a smooth and responsive user experience.

Education

AltSchool Africa
Lagos, Lagos State, Nigeria

Diploma

Software Engineering

Federal Polytechnic Ede
Ede, Osun State, Nigeria

HND

Electrical Electronics Engineering (PM option)

Certificates

Diploma Solar Installation

Issued By

Field of Skills, and Dreams Academy

Backend Engineer Certification

Issued By

DevCareer Africa

Skills

Backend Development

Node.js, Express.js, Nest.js, Adonis.js, RESTful APIs, API Design, Microservices, Scalability.

Programming Languages

JavaScript, TypeScript, HTML, CSS.

Database Management

MongoDB, PostgreSQL, MySQL, Prisma, Redis, AWS RDS, MySQL Workbench.

Cloud & DevOps

AWS, Docker, Git, GitHub, Deployment.

Payment & Security

Stripe, Flutterwave, OAuth 2.0, Authentication, Authorization, Data Encryption, Email Verification, Security Protocols.

Real-time Communication

Socket.IO.

Tools & Utilities

Postman, Open API, RabbitMQ.

Software Development Practices

Agile Methodologies, System Design, Problem Solving, Data Integrity, Error Handling, Performance Optimization, Cross-functional Collaboration, API Contracts, Content Management Systems, Localization.

Projects

FarmPouch Investment Platform RESTful API

Summary

Designed and developed a robust RESTful API for the FarmPouch investment platform, facilitating seamless user account creation, diversified investment opportunities, and secure access to investment history.

Backend Blogging Platform

Summary

Built a user-friendly and dynamic Blogging Platform with comprehensive authentication, authorization, and CRUD functionalities, enabling users to create, manage, and delete blog posts through an intuitive interface.

Locale API

Summary

Developed a robust and scalable localization API, leveraging Node.js, Express, TypeScript, MongoDB, and Redis to provide efficient localization functionality.