Derril Filemon
Freelance AI Engineer · Full-Stack GenAI Developer
Languages: English, Dutch, Norwegian, Swedish
Professional Summary
AI Engineer with hands-on experience since December 2021 building production-ready Generative AI systems. Specialized in LLM-powered applications, multi-agent orchestration, and full-stack AI products that combine modern AI frameworks with scalable backends and intuitive frontends.
Core Technical Skills
Generative AI: LLMs, RAG, Multi-Agent Systems, Tool & Function Calling, Prompt Engineering, AI Evaluation
Frameworks: CrewAI, AutoGen, LangGraph, LangChain, OpenAI SDK
Backend: FastAPI, Supabase (Postgres, Auth), Vector Databases, REST APIs
Frontend: React, Next.js, AI-first UX
Deployment: Vercel, Cloud-native architectures
Experience
Freelance AI Engineer / Full-Stack GenAI Developer
Self-Employed · Remote | Dec 2021 – Present
- Built end-to-end GenAI applications integrating LLMs into real user workflows
- Designed and implemented multi-agent systems coordinating reasoning, tools, and tasks
- Developed RAG pipelines with vector databases for grounded, context-aware AI responses
- Integrated OpenAI SDK for structured outputs and production AI flows
- Delivered complete AI products: frontend, backend, AI logic, deployment, iteration
Outbound Logistics Associate
DHL Freight · Sweden | Jul 2017 – Present
- Worked in process-critical, data-driven environments with high accuracy and compliance demands
- Ensured data integrity, safety, and operational efficiency at scale
- Contributed to continuous process optimization and reliability
Prior Professional Experience (Selected)
- Sales Team Leader – ProffCom AS (Norway)
- Program Specialist – Waternet (Netherlands)
- Special Correspondent – Nuon (Netherlands)
- Maintenance Procurement Agent – U.S. Embassy (Surinam - South America)
Education
BSc Software Engineering
LOI Hogeschool (EU-accredited, The Netherlands) · June 2012
Java, Object-Oriented Programming, UML (Fundamental & Professional), Software Architecture
BSc Business Management
Hogeschool Utrecht (The Netherlands) · July 2002
Comprehensive training in strategic management, finance, marketing, and operations, with a strong focus on data-driven decision-making and organizational leadership.
Certifications & Continuous Learning
Multiple AI, GenAI, and specialization certifications completed over the last two years, covering LLM application development, agent frameworks, and modern AI tooling (see portfolio's Certifications page).
International & Professional Strengths
- Lived and worked in 5 countries across Europe and South America
- Fluent in five languages (English, Dutch, Norwegian, Swedish and Surinamese)
- Strong cross-cultural, remote-first collaboration skills
- Product-focused mindset: building AI systems that ship and scale