Summary
Abdulqudus A is a highly skilled Full Stack Software Engineer with deep expertise in building scalable, resilient, and secure enterprise systems across identity, telecom, and government technology sectors. He specializes in end-to-end development using Angular and Ionic for front-end interfaces, and Node.js/NestJS for backend microservices, delivering reliable and high-performing applications at scale. At Seamfix, he has led the development of mission-critical systems such as the Benin Republic’s ePassport platform and biometric verification solutions for major telcos across Africa, integrating advanced features like AI-powered facial recognition, liveness detection, and secure document processing. Abdulqudus is proficient in architecting microservices with RabbitMQ and Bull Queue for asynchronous communication, optimizing databases with PostgreSQL and MongoDB, and implementing Elasticsearch for ultra-fast search and biometric retrieval. He has also driven major infrastructure improvements, from modernizing monolithic architectures to microservices and enhancing observability with OpenTelemetry—cutting debugging time by 40%. With strong experience in CI/CD automation, containerization, and cloud deployment on AWS, he combines technical depth with reliability engineering principles to deliver robust, secure, and high-uptime systems. Recognized as a Top Performer at Seamfix, Abdulqudus brings a track record of technical leadership, performance optimization, and scalable software delivery.
Meet Abdulqudus A.
Assessment Scores
Great score on Implement an LRU Cache Algorithm, Difficulty Hard
Great score on Find the Length of the Longest Substring Without Repeating Characters. Difficulty Medium
Average score on Optimize Angular E-commerce Platform Performance copy, Difficulty Medium
Great score on Angular's Change Detection Mechanism copy, Difficulty Medium
Great score on Validate Bracket Sequences, Difficulty Medium
Great score on Check Word Existence in a Grid, Difficulty Hard
Great score on Reverse a Signed 32-bit Integer, Diffulty Medium
Experience
SEAMFIX
Senior Software Engineer
Full-Time
Jan 2025 — Oct 2025
Built a fully remote e-passport system for the country's Ministry of Foreign Affairs, enabling diaspora citizens to apply and receive passports without visiting embassies or offices.
Implemented AI-powered identity assurance with facial recognition, liveness detection, and similarity scoring against official records.
Reduced third-party API calls by 40% through MongoDB-powered caching and structured API interaction logs, significantly lowering operational costs and redundant calls.
Integrated OpenTelemetry, cutting debugging and issue resolution time by 40% across services.
Boosted PostgreSQL performance by 35% via indexing and query optimization.
Built scalable microservices using TypeScript, NestJS, and messaging queues (RabbitMQ, Bull Queue) for communication.
Technologies:
NodeJs, NestJs, Ionic, Angular, Redis, RabbitMQ, AWS, MongoDB, PostgreSQL, Docker, Git.
Software Engineer III
Full-Time
Jan 2024 — Jan 2025
Delivered biometric verification systems for major telcos (MTN Nigeria, MTN Liberia, MTN Ivory Coast, GLO) and national ID projects across Africa.
Built multi-step biometric and SIM registration system with over 1 million subscribers and 3 million registrations with retry/fallback logic, boosting capture success rate in low-connectivity regions.
Integrated with national identity databases, ensuring compliance with data privacy regulations.
Designed a retry system with RabbitMQ/Bull Queue, reducing downtime of SIM registration services by 50%.
Implemented geolocation and geofencing controls to restrict registrations to authorized locations, reducing offsite enrollments by 95% and strengthening compliance.
Designed AWS S3-based storage for biometric data and documents, enabling secure and cost-effective storage at scale.
Technologies:
TypeScript, NodeJs, NestJs, Ionic, Angular, Redis, RabbitMQ, AWS, MongoDB, PostgreSQL, Docker, Git, ElasticSearch
Software Engineer II
Full-Time
Jan 2022 — Dec 2024
Spearheaded delivery of a multi-tenant platform for digitizing and verifying academic records for 4 universities in Nigeria.
Reduced credential issuance turnaround time through workflow automation and a self-service ID verification/payment model, unlocking new B2C monetization channels.
Implemented JWT-secured APIs with RBAC (Role Based Access Control), safeguarding sensitive endpoints.
Technologies:
React, Express, NodeJS, Outsystems, DynamoDB, AWS Lambda, PostgreSQL, NOsql WorkBench
Projects
Bill Splitting Mobile App
I developed a user-friendly bill splitting app to simplify group payments among friends, families, and teams. Users can create bills, split costs (equally or custom), track payments, and settle balances via Paystack. Built with React Native for smooth cross-platform use and NestJS for secure, scalable APIs. Features include real-time notifications, integrated payments, and seamless syncing of shared expenses. Tech Stack: React Native, NestJS, Paystack, PostgreSQL, JWT
Remote Registration and Identification System
As part of a collaborative team, I helped develop a remote registration and identification platform to streamline the process of identifying nationals living abroad. The system features a user-friendly interface for individuals to securely submit their details and documents remotely, along with a web-based back office admin portal for efficient verification and management of registrations. This project modernizes the identification process, providing convenience for users and enhancing operational efficiency for administrators.
Education
B.Eng, Electrical & Electronics Engineering, First Class Honors (Top 3%)
2016 - 2021
Kwara State University
Lagos, NG
Full Stack Engineer
Available — No Current Full-Time Commitment
/Mo
/Hr
Member since October 10, 2025
Skills & Expertise
NodeJS
MongoDB
Git
Javascript
SQL
Angular
AWS
Typescript
React Native
Database:Cacheing
Database:Document
Database:Relational
HTML
Kafka
Kubernetes
React
Developer Level
Mid-Senior
3-4 YOEAbdulqudus A. is mid-senior Level Developer