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Daniel De Leon

@danideleon

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Senior software engineer | Full Stack Development | AI Integration | DevOps

Philippines

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What I'm looking for

I'm looking for a challenging opportunity as a Senior AI & Full-Stack Engineer where I can apply my skills in AI, machine learning, and software development to build innovative solutions, solve complex problems, and grow professionally.

I'm a Senior AI & Full-Stack Engineer with 6+ years of professional experience designing, developing, and deploying scalable web applications and AI-powered solutions. My expertise includes Python, React, TypeScript, Node.js, FastAPI, .NET, and cloud technologies.

I have hands-on experience integrating LLMs, building RAG pipelines, developing AI-powered chatbots, fine-tuning machine learning models, and creating intelligent automation systems using OpenAI, LangChain, and Hugging Face. I also specialize in backend architecture, REST API development, real-time data processing, database optimization, and CI/CD automation.

Throughout my career, I've worked with remote, cross-functional teams to deliver reliable, secure, and high-performance applications. I enjoy solving complex technical challenges, improving system performance, and using AI and modern technologies to build practical solutions that deliver real business value.

Experience

Work history, roles, and key accomplishments

Senior AI & Full-Stack Engineer

Sky Talents Management

Sep 2023 - Jul 2026 (2 years 10 months)

• Integrated AI and ML solutions into applications, including LLM-powered chatbots and intelligent recommendation systems.
• Implemented Retrieval-Augmented Generation (RAG) pipelines using vector databases to enhance document search and knowledge retrieval.
• Built AI-driven automation tools for data analysis, reporting, and workflow optimization, reducing manual effort and improving efficiency.

React Node Solidity Django Rust MongoDB Redis EC2 Smart Contracts

Full-Stack Developer | React, Python

ChamiSolutions

Nov 2022 - Aug 2023 (9 months)

•Built enterprise applications using React, Node.js, and .NET delivering responsive interfaces and scalable backend services.
•Developed REST APIs and optimized SQL databases improving system performance and API response time.
•Implemented CI/CD workflows and cloud deployment improving release consistency and application stability.

React Next.js TypeScript Django Node REST GraphQL Solidity Celery

Software Engineer

Yondu

Jun 2021 - Oct 2022 (1 year 4 months)

- Developed high-traffic web applications using Python, Node.js and React, enhancing user experience and system performance.
- Optimized database queries, which reduced load times by 40% and significantly improved data retrieval efficiency.
- Collaborated with cross-functional teams to design and implement user-centric features, boosting user satisfaction scores by 20%.