punkbit
London-based product engineer and creative with full-stack experience across web, mobile, blockchain, and embedded platforms, focused on UX, DX, and automation.
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Location: London (UK) Remote: Yes (Remote/Hybrid depending on location) Willing to relocate: No Technologies: Primarily Typescript, React, Bash, GitHub Actions Résumé/CV: https://punkbit.com/docs/cv-punkbit-helder-oliveira.202607131958.pdf Email: info (at) punkbit (dot) com I'm a Product Engineer and a creative based in London. I’ve built full-stack applications across web, mobile, blockchain and embedded platforms. My client-side work includes React, Electron, Roku’s Scenegraph, and native iOS development with Swift and SwiftUI, always with a strong focus on UX and design-first thinking. On the service-side, I’ve worked with traditional service hosting, containers, and serverless, including (but not limited to) AWS, GCP, Cloudflare, Workers, CloudFormation, SAM CLI, nodejs, bunjs, MySQL, Postgres, NoSQL, grpc, Redis, Docker, nginx, and a few legacy tools best left unnamed (yes, including CodeIgniter and ftp). I’ve also developed developer tools like CLIs and SDKs, primarily Typescript/JavaScript land, and have written code in systems languages such as Rust and Zig. I care about great UX, developer experience, documentation, rapid iteration and automating workflows with CI/CD (GitHub Actions, Bash scripts, etc). Also familiar with modern development practices by leveraging coding agents, such as opencode, claude and open-weight models as I care about cost. To iterate quickly, I rely on an inference provider such as Fireworks. Want to know more? https://punkbit.com
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