Hello, I am

John Olatubosun

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England, United Kingdom.
John Olatubosun

Software / Robotics Engineer ...

coder

I'm a builder with 7+ years of experience building scalable systems for fintech, SaaS, and e-commerce platforms. I specialize in working with TypeScript and Python, with strong experience in Backend, and, AI and Robotics. Whether it's building APIs that handle thousands of users, training AI models, or working with autonomous robots, I focus on creating solutions that are reliable, scalable, and solve real problems.

I love to work on solutions that drive progress and make a tangible impact. Having a track record of initiating and leading successful projects & teams; I thrive in challenging, fast-paced environments.

In my free time, I enjoy long-distance running, reading, learning foreign languages, and exploring new technologies. I'm always eager to take on novel and exciting projects, bringing my skills and experience to the team

Skills

Explore the diverse skills I bring to every project, helping you to transform ideas into impactful results.

01

Backend Development

I build robust and scalable backend systems for fintech, SaaS, and e-commerce platforms. From APIs to payment integrations to microservices. Technologies I work with: TypeScript, Node.js, NestJS, Python, FastAPI, GraphQL, Apache Kafka, RabbitMQ, Jest.

02

Cloud Computing & Infra

I deploy and manage cloud solutions on AWS or traditional infrastructures. My focus is on optimizing system performance, scalability, and reducing costs. Technologies I work with: AWS, Azure, Docker, Kubernetes, Nginx, Linux, VPS, CI/CD Pipelines, GitHub Actions.

03

Robotics & AI

I build autonomous robotic systems with computer vision and AI integration. From robot navigation to object detection using custom-trained models. My work spans simulation and real hardware deployment. Tools I use: ROS2, Python, C++, SLAM, YOLO, Computer Vision, ML Model Training, Sensors, Arduino, Microcontrollers.

04

AI Engineering

I build intelligent systems using state-of-the-art AI technologies, focusing on natural language processing, retrieval augmented generation, and custom machine learning pipelines. Technologies I work with: LLMs, LLM Fine-tuning, Vector Databases, RAG Systems, LangChain, OpenAI API, Hugging Face, AI Agents.

05

Database Design

I design database architectures that support both small and large-scale applications. My focus is on ensuring scalability and high performance whether it's relational or NoSQL. Databases I work with: PostgreSQL, MySQL, MongoDB, Redis.

06

Frontend & Mobile Development

I create modern, responsive web interfaces and cross-platform mobile apps. My focus is on delivering fast, user-friendly experiences that integrate smoothly with backend APIs. Technologies I work with: React, Next.js, React Native, Expo, TailwindCSS, WordPress.

I'm always looking to build cool stuff.

Have an idea in mind?

Let's build and scale it!

Selected Projects

A quick look at some highlighted work.

Resonate

Resonate

An AI-powered application described as the Shazam for Christian sermons. Users can discover sermon matches and explore a vast library of spiritual messages.

TypescriptPythonNestJSFastAPITypeORMPostgreSQLOpenAIDockerRedisAWS

Arduino Attendance System

Arduino Attendance System

A smart attendance system using Arduino and fingerprint recognition. It automates attendance tracking in classrooms and offices, enhancing efficiency and accuracy.

ArduinoCElectronicsFingerprint Sensor