08/03/2026 updated

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Senior Software Engineer (FullStack) | TypeScript, React, React Native

France
Only remote
Undergraduate, Mechanical Engineering, University of Canterbury
France
Only remote
Undergraduate, Mechanical Engineering, University of Canterbury

Profile attachments

LeoLloyd_Resume_2026.pdf

About me

Experienced and self-driven developer who is always excited to learn something new. 6+ years as a successful freelance developer sets me apart with strong project planning and communication skills on top of a solid technical base.

JavaScriptAmazon S3Mobile Application DevelopmentWeb DevelopmentPython (Programming Language)Machine LearningNeo4jNode.jsTypeScriptGoogle CloudChatbotsReact.jsExpress.jsGoogle FirebaseFull Stack DevelopmentReact NativeReact ReduxNestJSAws Iot
FullStack Development (TypeScript, React, NestJS)
Expertise in building full-stack applications using TypeScript, JavaScript, NestJS, React, and React Native. Delivery of commercial projects including scheduling apps, AI chatbots, and subscription platforms using modern frameworks and cloud services.

Machine Learning & AI Engineering
Strong background in designing and implementing end-to-end ML pipelines, working with Neural Networks, Deep Learning, Computer Vision, and NLP. Hands-on experience with PyTorch, TensorFlow, AWS SageMaker, and LangChain across multiple commercial projects.

Cloud Platforms & DevOps
Proficiency in cloud platforms including Google Cloud Platform (GCP), AWS (SageMaker, EC2, S3), and Azure. Experience establishing CI/CD pipelines, Docker-based deployments, and DevOps best practices in production environments.

Next.js
Application of Next.js in freelance and client projects for building performant, server-rendered web applications.

Neo4j & Graph Databases
Certified Neo4j Professional with practical experience in graph database design and optimization, including hierarchical data structures.

Python & Data Engineering
Extensive use of Python for data processing, ML model development, scripting, and API integration across multiple roles and client projects.

Robotics & Computer Vision
Application of ROS, Computer Vision libraries, and Hidden Markov Models in robotics research and industrial automation projects, including published peer-reviewed research.

LangChain & LlamaIndex
Use of LangChain and LlamaIndex for building AI-powered applications, including high-end chatbots with custom components extending state-of-the-art AI libraries.

Database Design & Optimization
Design and optimization of databases achieving significant performance improvements, including a 300x increase in data fetching speed and automated testing protocols for hierarchical data.

Firebase & GCP
Integration of Firebase and Google Cloud Platform as cloud infrastructure for web and mobile application development.

Experience

Professional experience5 - 10 years
Freelancer since2020

Languages

EnglishNative speakerFrenchGoodJapaneseNative speaker

Project history

Senior Software Engineer

aXcelerate
Senior Software Engineer at aXcelerate, based in Brisbane, Queensland, Australia. Currently working in this role since February 2024.

AI & Machine Learning Engineer

Humyn.ai
Led and assisted with all ML and data related aspects of AI & ML competitions on the Humyn.ai platform, working directly with large clients such as BHP, Origin, and Orexplore. Successfully delivered 10 commercial projects with combined value of $335k AUD. Responsibilities included preparing large datasets, coding complex baseline ML models, supervising forum questions, grading, and communicating technical achievements to clients. Applied Neural Networks for 3D Image Segmentation, Computer Vision for mining, and mineral prediction. Tech stack: Python, GitLab, AWS (SageMaker, EC2, S3), Docker, PyTest, Neural Networks / AI / Deep Learning, PyTorch, TensorFlow.

Senior Software Engineer (Freelance)

Various Clients
Worked several 1-6 month contracts as a freelance software engineer with speciality in AI. Developed a high-end AI chatbot for Advancer.ai in Python & Azure with subscriptions worth $9.6k each p.a. Built a React & TypeScript scheduling app for startup MeetChris using GCP and Firebase. Tech stack: Python, LangChain, LlamaIndex, Azure, GCP, Github, Docker, Flask, TypeScript, React, Next.js.

Software Engineer

Pedigrees360
First employee and technical lead at Pedigrees360, a startup using Applied Machine Learning to predict genetic potential for thoroughbred racehorses using hierarchical pedigree data. Built the entire platform from the ground up. Optimised data fetching speed by 300x via database design, set up automated database testing protocols, established CI/CD and DevOps best practices, and mentored junior software engineers.

Machine Learning Researcher

University of Canterbury
Volunteered part-time at robotics research lab during studies. Published a peer-reviewed research paper in the International Journal of Advanced Manufacturing. Built a Hidden Markov Model for real-time latency mitigation in robotic welding and applied Computer Vision as a quality feedback system for a ROS-controlled robot welding arm.

Robotics Software Intern

Connected Robotics Inc
One of the first ~20 engineering interns at Connected Robotics Inc in Tokyo, Japan. Led development of a soft-serve ice cream robot called Reita from non-working prototype to a marketable product worth $16k each, which won the Tokyo Contents/Solution Business Award in 2022. Worked on hardware and software, coding robot interaction and IoT network behaviour with ROS and Computer Vision libraries.

Software Engineer

UNITEK
Worked part-time during studies for clients including Unitek and Camero. Saved operating costs by 80% for Unitek by writing a Python script interfacing with an external JavaScript API to rotate proxy for high-volume batched requests. Programmed a microcontroller in C++ for a home security and automation robot for Camero. Worked effectively in Japanese and English with fully remote international teams.

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