Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Hi there! I’m Olivier, a full-stack engineer and founder who loves building scalable web applications and AI-powered systems. I specialize in TypeScript, Next.js, Node.js, React, and distributed architectures using Redis, RabbitMQ, and modern cloud tooling. As the founder of FraudLens AI, I focus on fraud detection through vector search and LLM-based transaction analysis. I thrive on turning complex data into reliable, production-ready software and enjoy collaborating with cross-functional teams to ship meaningful solutions.…Hi there! I’m Olivier, a full-stack engineer and founder who loves building scalable web applications and AI-powered systems. I specialize in TypeScript, Next.js, Node.js, React, and distributed architectures using Redis, RabbitMQ, and modern cloud tooling. As the founder of FraudLens AI, I focus on fraud detection through vector search and LLM-based transaction analysis. I thrive on turning complex data into reliable, production-ready software and enjoy collaborating with cross-functional teams to ship meaningful solutions.

Olivier Rwubakanyayo

Full Stack Developer, Back-End Developer, Front-End Developer, +2





Hi there! I’m Olivier, a full-stack engineer and founder who loves building scalable web applications and AI-powered systems. I specialize in TypeScript, Next.js, Node.js, React, and distributed architectures using Redis, RabbitMQ, and modern cloud tooling. As the founder of FraudLens AI, I focus on fraud detection through vector search and LLM-based transaction analysis. I thrive on turning complex data into reliable, production-ready software and enjoy collaborating with cross-functional teams to ship meaningful solutions.…Hi there! I’m Olivier, a full-stack engineer and founder who loves building scalable web applications and AI-powered systems. I specialize in TypeScript, Next.js, Node.js, React, and distributed architectures using Redis, RabbitMQ, and modern cloud tooling. As the founder of FraudLens AI, I focus on fraud detection through vector search and LLM-based transaction analysis. I thrive on turning complex data into reliable, production-ready software and enjoy collaborating with cross-functional teams to ship meaningful solutions.

Available to hire

Hi there! I’m Olivier, a full-stack engineer and founder who loves building scalable web applications and AI-powered systems. I specialize in TypeScript, Next.js, Node.js, React, and distributed architectures using Redis, RabbitMQ, and modern cloud tooling.

As the founder of FraudLens AI, I focus on fraud detection through vector search and LLM-based transaction analysis. I thrive on turning complex data into reliable, production-ready software and enjoy collaborating with cross-functional teams to ship meaningful solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Founder & Lead Engineer at FraudLens AI

September 1, 2025 - Present

Remote - Built an AI-powered fraud detection platform capable of analyzing thousands of transactions using vector similarity search. Implemented vector similarity search using OpenAI embeddings to identify suspicious patterns. Designed a distributed architecture using Node.js, Redis, RabbitMQ, and TiDB for high-throughput data processing. Developed an LLM-powered explainer to generate human-readable fraud insights.

Software Engineer Contractor at Remote – Czech Republic

January 1, 2025 - January 1, 2026

Led frontend development using Next.js, TypeScript, and Tailwind CSS for a high-security policy and weapon management system. Optimized rendering performance for large-scale data sets. Developed reusable frontend component architecture to support scalability and maintainability.

Full Stack Developer at Microverse

July 1, 2023 - July 31, 2024

Contributed to the development of a Learning Management System used by over 2700 students across 100 countries. Reduced production bugs by 20% through integration tests using RSpec. Redesigned the LMS UI, increasing student engagement by 58%.

Full Stack Developer at Mensa Philosophical Circle

March 1, 2022 - April 30, 2024

Introduced Redux for state management, redesigned data architecture for an e-learning platform, and improved API integration. Reduced development time by 45% and improved cross-department communication.