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Hello World, I'mDemilade

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Demilade Otunaiya

7+

Years Exp

60M+

Users Impacted

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About Me

Crafting Digital Excellence

about-me.md

## I build high-performance systemsthat don't just work—they scale to millions. With over 7 years of experience architecting distributed systems and robust APIs, I bridge the gap between complex backend infrastructure and seamless user experiences.

Whether it's optimizing workloads on AWS or containerizing global platforms, my focus is on engineering efficiency.

Beyond the stack, I'm dedicated to growing the next generation of talent, having successfully mentored 50+ engineers into high-impact professional roles.

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Years Experience

0

Million Users

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Devs Mentored

Full-Stack Development

Building scalable applications with React, Angular, Node.js, and modern TypeScript.

Backend & APIs

Designing robust REST APIs, GraphQL services, and microservices architecture.

Cloud & DevOps

Deploying and managing applications on AWS, GCP with Docker and CI/CD pipelines.

Technical Leadership

Leading engineering teams and mentoring 50+ developers globally.

Portfolio

Projects That Scale

A showcase of platforms I've built and contributed to, serving millions of users globally.

Alison preview
EdTech
Featured

Alison

A leading global e-learning platform with over 60 million users. It provides free access to thousands of professional courses, offering a seamless path from enrollment to certification for learners worldwide.

60M+4000+195 countries
Greysoft preview
EdTech

Greysoft

A comprehensive EdTech ecosystem designed to automate and digitize complex administrative and academic processes for educational institutions.

EdTechAutomation
Greymetrics preview
marketing

Greymetrics

An advanced marketing reporting and dashboard tool for digital agencies. It centralizes data by integrating with major platforms like Google Ads, Facebook, and Mailchimp to automate social media interaction and reporting.

50+Analytics
Grooming Microfinance preview
FinTech
Featured

Grooming Microfinance

A digital banking system focused on financial empowerment. The platform features an automated vetting process that allows customers to access and collect loans efficiently.

BankingFinancial Inclusion
Nexflirt preview
Social
Featured

Nexflirt

Recognized as one of the top 10 dating websites globally, Nexflirt utilizes advanced matchmaking features to connect users based on shared interests and mindsets.

Top 10Dating
Esorae Luxury preview
E-Commerce

Esorae Luxury

A premium e-commerce destination specializing in high-quality home essentials, luxury beddings, fragrances, and comfort products.

E-CommerceLuxury
Kenamins Communications preview
E-Commerce

Kenamins Communications

A multi-faceted service hub providing expert business development, academic support, and digital career optimization services like LinkedIn and CV reviews.

ServicesCareer Development
Rehoboth 2026 preview
Events
Featured

Rehoboth 2026

The digital gateway to Lagos' second-largest annual gathering. A high-impact event landing page featuring live countdown, seamless registration, and an immersive experience for thousands of attendees.

Event10K+ Attendees2026

Interested in collaborating on your next project?

Let's Work Together
Technical Skills

Technologies I Master

Node.js95%
Express.js95%
NestJS85%
Django80%
GraphQL85%
REST APIs95%
Microservices90%
Socket.io85%

Also experienced with

GitGitLabBitbucketJiraFigmaPostmanSSRCode SplittingLazy LoadingEvent-driven SystemsAgileScrumTechnical Writing
Work Experience

Where I've Worked

01
Contract
2025 - Present

Annotator & AI Trainer

OpenAI/ChatGPT (via Turing)Remote
  • Collaborate on AI-driven engineering tasks, leveraging tools like ChatGPT to improve development workflows
  • Evaluate, test, and refine AI-generated code across frontend and backend systems
  • Participate in technical assessments and client-facing engineering discussions
  • Apply modern development practices to solve real-world problems across industries
AI/MLPythonTypeScriptCode Review
02
Full-time
2024 - Present

Senior Software Engineer

AlisonIreland (Remote)
  • Contributing to a large-scale learning platform serving over 60 million users globally
  • Designed a reusable Angular component library with 50+ components, improving team efficiency
  • Built and maintained high-performance web applications improving scalability
  • Implemented SSR, code splitting, and lazy loading, significantly improving load speeds
  • Troubleshot and resolved production issues within 4 hours of incident reports
AngularTypeScriptNode.jsSSRPerformance Optimization
03
Full-time
2023 - 2024

Senior Software Engineer (Team Lead)

Mabilla GroupRemote
  • Led engineering efforts for a financial transaction platform handling FX and international payments for 100,000+ users
  • Designed and maintained secure backend APIs using Node.js and Express
  • Improved system performance by 40% through caching and optimized API architecture
  • Oversaw CI/CD workflows and production deployments ensuring system stability
Node.jsExpressPostgreSQLRedisCI/CDAWS
04
Full-time
2021 - 2023

Fullstack Node.js Engineer

M15 InnovationsLagos, Nigeria
  • Built a business intelligence dashboard providing real-time inventory insights
  • Implemented automated web scraping systems processing 10,000+ company records
  • Increased research efficiency by 50% through automation
  • Developed backend services using Node.js and MongoDB for analytics workflows
Node.jsMongoDBReactWeb ScrapingData Analytics
05
Full-time
2019 - 2021

Front End Engineer & Digital Marketing

E&apos;sorae LuxuryNigeria
  • Built and managed the company&apos;s e-commerce platform, rated 4.5/5 by 2,000+ users
  • Launched Google Ads campaign that boosted website traffic by 35%
  • Optimized SEO making the subsidiary appear on Page 1 of Google in under 3 months
ReactE-commerceSEOGoogle AdsDigital Marketing

Volunteer Experience

Mentor of the Year2023 - 2025

Software Engineering Mentor

Uptick Talent (Volunteer)

  • Mentored 50+ developers across multiple continents in React, Angular, and Node.js
  • Conducted workshops on software engineering best practices, debugging, and scalable design
  • Guided 18 developers transitioning into professional roles within six months
Certifications

Professional Credentials

Continuous learning and professional development are at the core of my career.

Software Engineering (Backend Expert)

Proficiency in Coding Logic

Triplebyte

IBM Certified Practitioner

Enterprise Solutions

IBM

Scrum Fundamentals Certified

Agile Methodology

Scrum Study

Certified Professional Manager

Leadership Excellence

Nigeria Institute of Management

Project Management (PMP)

Project Leadership

Our Growth International

English Proficiency Certificate

Professional Level

EF Education First

Diploma in Digital Marketing

Marketing Strategy

Shaw Academy

Always expanding my knowledge through courses and certifications

Get In Touch

Let's Build Something Amazing

I'm always open to discussing new projects, creative ideas, or opportunities to be part of your vision. Feel free to reach out!

Or find me on

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