Okunowo David

Okunowo David Profile Summary Backend Engineer with 1+ years’ experience building reliable, scalable and well-designed backend systems across fintech, SaaS, and AI-driven platforms. Strong in distributed microservices, API architecture, and database-driven backend development using TypeScript, Python and PostgreSQL. Experienced in designing automating deployment pipelines, improving system reliability, and collaborating in cross-functional squads. Comfortable with strongly-typed language (TypeScript) and excited to work with Go. I care deeply about building products people use every day, solving customer problems, and delivering backends that are resilient, observable, and easy to maintain. Technical Skills • Languages & Frameworks: Python, TypeScript, Node.js, Nest.js, FastAPI, React, Next.js • Development: Full-stack applications, cloud infrastructure, system automation, embedded systems (basic) • Databases: PostgreSQL, MongoDB, Firebase • DevOps: Docker, GitHub Actions, Render, Vercel • Cloud: Azure, AWS (basic) • Tools: Git, Swagger, Postman, Jupyter, Figma, VS Code • Backend & Systems: Distributed Systems, microservices, REST APIs, caching strategies, event-driven flows • Practices: Type Safety, API Contract Design, Automated Testing, Observability (basic), code reviews, observability (logs/metrics), OWASP principles, API security, secure data handling Professional Experience Backend Engineer | CashWave (Fintech) Mar 2025 – Present, Remote • Improved system reliability by refactoring core services, enforcing TypeScript standards, and implementing structured logging for better observability • Collaborated with product, design, and mobile teams to deliver features aligned with customer experience and business requirements • Contributed to caching and performance strategies that reduced redundant queries and improved endpoint latency • Reviewed PRs and supported junior engineers in understanding architecture, code quality and deployment workflows Software Engineer Intern 2024 – 2025, Nigeria • Fixed bugs on production systems and improved team workflows using Git and Agile collaboration. • Designed and shipped FastAPI-based backend services with PostgreSQL, supporting AI-driven education products. • Worked with designers to implement high-quality UI/UX features. Education • BSc Accounting – Bowen University, Nigeria (Graduated 2022) Projects & Highlights • Recipe Recommendation System (FastAPI + PostgreSQL): Built a content-based filtering engine with a Next.js frontend (full-stack project). • AI-driven Counseling Chatbot: Integrated Hugging Face NLP models with FastAPI backend and Next.js frontend. • Built NLP pipelines using transformer-based LLMs (Hugging Face) for text understanding and conversational agents. • Published LinkedIn articles on EDA, data cleaning, and ML workflow improvement.