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Nnubia Obinna Chukwudi

Backend Developer

Lagos, Nigeria

ABOUT

Results-driven Backend developer with over 2 years of hands-on experience building scalable, high-performance applications using Node.js (Nest.js). Proven ability to optimize system performance, reduce latency, enhance reliability, and deliver secure production-ready solutions. Skilled in RESTful API development, database integration, containerization, and collaborating with cross-functional teams.

SKILLS

JavaScript (ES6+)TypeScriptJava
NestJSSpring BootAngular
PostgreSQLMongoDB
DockerREST APIsGitPostmanMailgunCloudinary

EXPERIENCE

Software Engineer

- Present

Seamfix • Lagos, Nigeria

Contributed to the development and maintenance of SeamID, a digital identity platform used by organizations and universities, including UNN. Worked on backend services supporting identity verification, secure data management, and student record integration. • Contributed to the development and maintenance of SeamID, a digital identity platform used by organizations and universities, including UNN. • Worked on backend services supporting identity verification, secure data management, and student record integration. • Investigated and resolved issues related to student photo rendering on ID cards, improving reliability and reducing rework during card production. • Collaborated closely with frontend engineers using Angular while working primarily with NestJS-based backend services.

Backend Engineer

- Present

Waitlist (Real Estate Startup) • Remote, Lagos

Built and maintained backend services using NestJS, supporting core real estate operations. Integrated Paystack payment gateway for rent, service fees, and transactional workflows, ensuring secure and reliable payment processing. • Built and maintained backend services using NestJS, supporting core real estate operations. • Integrated Paystack payment gateway for rent, service fees, and transactional workflows, ensuring secure and reliable payment processing. • Implemented property listing management, enabling landlords to create, update, and manage properties. • Designed and managed tenant workflows, including onboarding, associations with properties, and status tracking. • Developed modules for artisans and maintenance requests, allowing tenants to report issues and track service resolution.

Backend Developer

- Present

Mintyn • Lagos, Nigeria

Designed and implemented backend services using Spring Boot, supporting core application workflows. Improved system performance and scalability by optimizing service logic and database interactions. • Designed and implemented backend services using Spring Boot, supporting core application workflows. • Improved system performance and scalability by optimizing service logic and database interactions. • Migrated the email notification system to Mailgun, improving delivery reliability and monitoring. • Integrated MapleRad card services to support payment processing and card-related operations.

EDUCATION

University of Nigeria, Nsukka (UNN)

- Present

B.Eng. in Electronics and Computer Engineering