Certifications
Certifications and verified credentials.
Course completions and skill certifications backing the AI, frontend, and full-stack work across this site, from applied LLM engineering to verified JavaScript and React fundamentals. Each links to its official verification.
credential list
Certifications and course completions
UdemyJul 2026 · 33.5 hours
AI Engineer Core Track: LLM Engineering, RAG, QLoRA, Agents
Ed Donner · Ligency
Hands-on LLM engineering across the applied stack: building RAG pipelines with vector databases, designing agents with tool and function calling, fine-tuning open models with QLoRA, evaluating and selecting frontier vs. open-source models, and shipping production-minded AI features across the Hugging Face, OpenAI, and Claude ecosystems.
Skills
RAGAI AgentsQLoRA Fine-TuningFunction CallingModel EvaluationHugging FaceMultimodal AI
UdemySep 2021 · 24 hours
Ethereum and Solidity: The Complete Developer's Guide
Stephen Grider
End-to-end Ethereum development: writing and testing Solidity smart contracts, reasoning about the EVM and gas, using web3.js with local test networks, and wiring contracts to React front-ends to build and deploy full decentralized applications.
Skills
SolidityEthereumSmart Contractsweb3.jsDapps
HackerRankJan 2021 · Credential ID 923D495541B4
React (Basic)
HackerRank
Verified React fundamentals: composing components, managing props and state, using hooks, handling events, and building controlled forms.
Skills
ReactComponentsHooksState Management
HackerRankJan 2021 · Credential ID 669701C498E4
JavaScript (Basic)
HackerRank
Verified core JavaScript: functions and scope, objects and arrays, ES6+ syntax, and everyday language features used in production code.
Skills
JavaScriptES6Fundamentals
Hiring context
Credentials that back the work, not replace it.
These certifications sit beside public projects, production case studies, testimonials, and a Toptal-vetted product engineering background. Use them as a quick skills signal, and the projects and testimonials pages for deeper proof.