Personal details
Opeoluwa S.
Technical skills
About
Senior Software Engineer with 6+ years of experience building and scaling full-stack products across fintech, AI, pharmaceutical, content, and sports industries. Specialized in React.js, React Native, TypeScript, Redux, and React Query for building performant, user-centric applications, with strong expertise in Tailwind CSS and shadcn/ui for modern UI systems. Backend expertise includes Node.js, RESTful API design, cloud-native architectures, and asynchronous processing. Highly proficient in AWS, MongoDB, PostgreSQL, Redis, and CI/CD pipelines using GitHub Actions. Consistently delivers business-critical systems for LLM applications, personalization engines, and high-throughput financial platforms while mentoring engineers and leading execution under tight timelines.
Work Experience
- Contributed to the development of a real-time AI-powered fraud detection system to evaluate users and transactions, significantly reducing fraudulent activity and financial risk
- Built a robust custom rules system for monitoring transaction and making decisions based on the predefined rules
- Designed and developed a multi-app integrated ERP dashboard with role- and permission-based access, enabling unified management across business applications.
- Architected and launched a multi-tier, multi-wallet payment system for sending and receiving payments in Nigeria, improving transaction efficiency and accessibility.
- Built a multi-provider payment routing system that dynamically leverages multiple providers to guarantee 100% transaction uptime.
- Simulated engineering workflows for RLHF/SFT pipelines supporting LLM training
- Contributed to advancements in dataset production, optimizing data variety and volume to meet the training needs of advanced models.
- Delivered prompt-level metadata to AI research teams for output tuning
- Promoted to a POD Lead where I orchestrated the training and onboarding of new engineers.
- Led and mentored software development teams across multiple projects from inception to delivery.