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Adefemi – React, AWS, Python, experts in Lemon.io

Adefemi

From Nigeria (UTC+1)flag

Full-stack Web Developer|Middle-to-senior

Adefemi – React, AWS, Python

Adefemi is a Full-stack Developer with a background in C#/C++ who now specializes in Python and React and runs a startup leveraging AI to generate APIs. He has experience across front-end, back-end, and infrastructure, building end-to-end projects while staying involved in both design and implementation.

Adefemi takes a pragmatic approach to product development, prioritizing core functionality for MVPs and iterating based on real needs. He applies GenAI daily to boost developer productivity, thoughtfully managing hallucination risks and validating outputs. He has also led small teams, guiding 3–7 developers through projects.

7 years of commercial experience in
Adtech
Advertising
AI
Communications
E-commerce
E-learning
Edtech
Media
Main technologies
React
8 years
AWS
7 years
Python
8 years
Django
7 years
Additional skills
Typescript
AWS Lambda
Node.js
AI
Next.js
Direct hire
Possible
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Experience Highlights

Software Engineer
Oct 2024 - Ongoing1 year 1 month
Project Overview

It's an ed-tech platform where instructors can create teaching materials and teach their students.

Responsibilities:
  • Delivered end-to-end features across the platform.
  • Conducted research initiatives to support platform improvements.
  • Optimized the CI/CD architecture to improve pipeline speed and efficiency.
  • Implemented robust infrastructure components to better support platform reliability.
  • Developed unit and end-to-end tests to ensure system stability and quality.
Project Tech stack:
React
Next.js
Cypress
Jest
Django
Django REST
Celery
Amazon SQS
Amazon ECS
Docker
Docker Compose
Founder & Full-stack Engineer
Dec 2022 - Ongoing2 years 11 months
Project Overview

It's an AI-powered platform that eliminates backend development headaches and helps build production-ready APIs through simple conversation.

Project gallery:
Portfolio example for Djuix by Adefemi, Founder and Lead Full Stack Engineer
Portfolio example for Djuix by Adefemi, Founder and Lead Full Stack Engineer
Portfolio example for Djuix by Adefemi, Founder and Lead Full Stack Engineer
Portfolio example for Djuix by Adefemi, Founder and Lead Full Stack Engineer
Portfolio example for Djuix by Adefemi, Founder and Lead Full Stack Engineer
Portfolio example for Djuix by Adefemi, Founder and Lead Full Stack Engineer
Responsibilities:
  • Designed the core system architecture for specification-driven API generation.
  • Built back-end services using Django and Django REST Framework.
  • Implemented real-time functionality with WebSockets and Socket.io.
  • Set up background processing with Celery and Redis.
  • Containerized services using Docker and Docker Compose.
  • Integrated AWS services to support deployment and scaling.
  • Configured Cloudflare to enhance security and performance.
  • Wrote API tests and performed full-stack debugging.
  • Owned product decisions, roadmap, and end-to-end technical execution.
Project Tech stack:
React
Node.js
WebSocket
Socket.io
AWS
Django
Django REST
API
API testing
Cloudflare
Celery
Redis
Docker
Docker Compose
PostgreSQL
Back-end Engineer
May 2021 - Aug 20254 years 3 months
Project Overview

It's a sport-based media news platform.

Responsibilities:
  • Served as a founding engineer, leading the migration from a RESTful API to a GraphQL API.
  • Implemented GraphQL federation and gateway for GraphQL microservices.
  • Built Terraform-based infrastructure to support CI/CD pipelines.
  • Developed a shared authentication library to ensure a uniform authentication flow.
  • Led multiple conversions from RESTful APIs to GraphQL microservices.
  • Wrote unit and integration tests to ensure reliability and correctness.
Project Tech stack:
Node.js
Apache Kafka
Typescript
Amazon ECS
Jira
Terraform
AWS Lambda
Python
CDN
Amazon S3
Apollo GraphQL
Front-end Engineer
Dec 2020 - Nov 202110 months
Project Overview

It's an e-commerce system for everything grooming for men.

Project gallery:
Portfolio example for Pangaea  by Adefemi, Frontend Engineer
Portfolio example for Pangaea  by Adefemi, Frontend Engineer
Portfolio example for Pangaea  by Adefemi, Frontend Engineer
Responsibilities:
  • Improved SEO rating from 12% to 60%.
  • Built front-end features to enhance user experience.
  • Ran A/B tests using Optimizely to validate user preferences.
  • Wrote unit and end-to-end tests to ensure system stability.
Project Tech stack:
Amplify
Next.js
HTML
SASS
AWS
Cypress

Education

2017
Computer Science
BSc

Languages

English
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