Frontend-focused full-stack: JavaScript · TypeScript ·
React ecosystem · Vue.js ecosystem · Angular · Node.js · MERN / MEAN / MEVN stacks — built
on a deep vanilla-JS foundation
Frontend: React, Next.js, Angular (incl.
v20), Vue.js, Svelte, Preact; state: Redux, NgRx, Vuex, Reactive Programming; build:
Webpack, Vite, Rollup; styling: Tailwind, Material UI, Bootstrap; D3
Cross-platform & hybrid: React Native,
Electron, NativeScript; Progressive Web Apps (PWA)
Languages: JavaScript, TypeScript, HTML5 /
CSS3, Python
Architecture & AI: Clean Architecture,
Spec-Driven Development (SDD), LLM-Agnostic Modularity, AI-Driven System Design,
Object-Oriented & Functional Programming, Local LLMs, AI-assisted workflows,
content-generation pipelines
Backend & API: Node.js, Express.js,
NestJS, Flask; GraphQL, Swagger (OpenAPI), Postman; MongoDB, Firestore
Testing & QA: Jest, Cypress, Mocha,
Chai, Puppeteer, Vue Test Utils, Cucumber.js; TDD, BDD, ATDD
Also experienced with: AWS, GCP, Firebase, S3; Git;
Handlebars, Pug, Mustache; PineScript, PHP, Ruby; AngularJS, jQuery, Grunt, Gulp, Protractor,
Jasmine, Karma; Foundation, Semantic UI, Kendo UI, UIkit; Microsoft TFS, SVN