Senior Full-Stack Engineer · Nigeria

Engineering resilient systems with intentional architecture.

I'm Felix Ajibola — a Lagos-based full-stack engineer specializing in high-concurrency backend systems and refined user interfaces. I design and ship production software for startups and scale-ups.

Portrait of Felix Ajibola

About

I bridge the gap between complex backend logic and intuitive frontend experiences. I focus on building distributed systems that are as maintainable as they are performant — from payment infrastructure to internal platforms.

My philosophy is grounded in simplicity. The best code is the code that's easy to delete, and the best products solve real problems without getting in the user's way.

02 — What I Do

End-to-end engineering.

Backend Engineering

  • Scalable REST & GraphQL APIs
  • Microservices architecture
  • Database design & optimization
  • Payment & financial system integration

Frontend Engineering

  • Modern React & Next.js applications
  • Responsive, accessible interfaces
  • Design system implementation
  • Performance optimization

Cloud & Infrastructure

  • AWS, GCP & Azure deployments
  • CI/CD pipeline design
  • Containerization with Docker & K8s
  • Infrastructure as Code (Terraform)

Team Leadership

  • Technical mentoring & code reviews
  • Agile project management
  • Architecture decision-making
  • Cross-functional collaboration

03 — Tech Stack

Tools I work with.

Backend

Node.jsTypeScriptGoLangNestJSExpressPostgreSQLMongoDBRedisGraphQL

Frontend

ReactNext.jsTailwind CSS

Cloud & DevOps

AWSGCPDockerKubernetesGitHub ActionsVercel

Other

GitLinuxFigmaJiraWeb3/Solidity

Experience

Full-Stack Software Engineer

Officelime Software Ltd

Present

Designing and shipping RESTful APIs in Go and responsive React.js interfaces for enterprise HR and Asset Management platforms. Modeling complex MySQL schemas, modernizing legacy ColdFusion modules behind REST gateways, and hardening apps with JWT auth, RBAC, and secure password hashing. Drive performance optimization, reusable React components, Dockerized deployments, and Git-based code review culture inside an agile team.

Software Technical Trainer

DigiHub Tech Solutions

2021 — 2025

Designed and delivered high-impact training programs on software development and emerging digital tools to students, professionals, and corporate clients. Facilitated in-person and virtual sessions across HTML, CSS, JavaScript, React.js, Node.js, Go, MySQL, PostgreSQL, MongoDB, and Git — tailoring curricula from beginner to advanced.

Software Engineer

Grape Technology

2018 — 2020

Built a full-stack e-commerce platform and a multistore solution with TypeScript, React, Node.js, and MongoDB. Collaborated with a 10+ engineer team on a responsive nonprofit website that grew to 10,000+ monthly visitors, and mentored new recruits on JavaScript and engineering ethics.

IT Manager

University of Lagos Holding Company

2017 — 2018

Directed IT operations across the group and five subsidiaries. Led the implementation of SAGE ERP and QuickBooks, rolled out six corporate websites and web applications, established IT policies, and drove cost-control strategies through vendor negotiation and resource optimization.

Technical Support / QA Engineer

Officelime Software Ltd

2016 — 2017

Partnered with cross-functional teams on incident response and customer-reported issues. Executed web application updates and reviewed code for standards compliance, structure, and cross-browser, cross-device compatibility.

Featured Projects

View all on GitHub →
CMMS — Asset Maintenance for Oil & Gas
GoReactMySQLColdFusion

CMMS — Asset Maintenance for Oil & Gas

Computerized Maintenance Management System covering Operations, Maintenance, and Warehouse modules. Built preventive maintenance scheduling, real-time asset monitoring, downtime analytics, and role-based warehouse inventory with full audit tracking.

Performance Management System (HR Suite)
GoReactMySQLJWT

Performance Management System (HR Suite)

HR platform spanning Performance Appraisal (PIP, P2P, P4P, Calibration, Confirmation), Organization, Payroll, Career Path, Recruitment, Leave, and Memo Management. Automated review workflows and payroll calculations, with analytics dashboards for staff performance.