Vickler Charles
Hello! I'm Vickler Charles, a passionate Software Engineer based in Barcelona, Spain.
About
Hello! I’m Vickler Charles, a passionate Software Engineer based in Barcelona, Spain. With expertise spanning TypeScript, Python, Solidity, and modern web and blockchain technologies, I enjoy building innovative solutions that leverage AI and decentralization. My recent projects include developing AI agents that reward user engagement through blockchain-based incentives and leading web3 development teams to deliver scalable, secure applications.
I thrive in fast-paced, remote environments where collaboration and cutting-edge technology merge. I’m committed to continuous learning and enjoy integrating AI-assisted workflows to accelerate development and maintain high code quality. When not coding, I love exploring new tech trends and contributing to open-source communities.
- 2 years' experience
- Joined August 2025
Industry experience
- Software & Internet
- Financial Services
- Media & Entertainment
Work experience· 4 roles
Created Mangia, an AI agent that rewards diners for posting Instagram stories about their restaurant experiences. Built an agentic system with LangGraph for multimodal content verification and automated rewards distribution via stablecoins and NFT coupons. Developed a responsive Next.js/TypeScript UI and RESTful APIs with Python, FastAPI, AWS Lambda, API Gateway, and PostgreSQL.
Built Next.js/TypeScript frontend integrating wagmi.js and viem.js for multi-chain wallet connectivity and seamless smart contract interaction. Collaborated with Smart Contract Engineers on protocol incentive design, security, and deployments. Developed integration and end-to-end tests following TDD methodology, increasing coverage to over 60%. Built and self-hosted a custom Subgraph on AWS, boosting query performance and reliability for on-chain data.
Led a cross-functional engineering team, providing technical direction, mentorship, and ensuring consistent delivery aligned with sprint goals. Led the adoption of AI-assisted iterative development processes, streamlining workflows and accelerating software delivery. Modeled PostgreSQL database schemas using ERDs to ensure normalized, scalable data structures and reduce design flaws before implementation. Developed a Next.js frontend emphasizing integration test coverage, efficient data fetching, state management, and consistent UI styling.
Education
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