10/11/2026 updated

**** ******** ****
40 % partially available

Senior Frontend / Full-Stack Engineer - React, Svelte, TypeScript

SIbiu, Romania
Only remote
BA in Management, Romanian-American University, Bucharest, 2012-2016
SIbiu, Romania
Only remote
BA in Management, Romanian-American University, Bucharest, 2012-2016

Profile attachments

CV_Sorin_Broscaru_C_Vi.pdf

About me

Senior frontend engineer in Sibiu, Romania (EU), B2B through my own company, fully remote. React, SvelteKit, TypeScript, React Native. AI-assisted delivery with Claude Code/Codex under clear specs. Fixed-scope projects or a part-time/full-time seat on your team.

SvelteTypeScriptTailwindReact.jsWebpackFull Stack DevelopmentReact NativeFront End Software Development
React & Svelte Frontend Development
Nine years of experience shipping production frontends in React and Svelte, including micro-frontends, SSR and shared component libraries. Expertise in React Native, SvelteKit, TypeScript, HTML, CSS, SCSS, Tailwind, and Electron.

Full-Stack SvelteKit & Node.js Applications
Building full-stack SvelteKit applications with Deno or Node.js services, PostgreSQL with pgvector, NATS messaging, Zitadel auth, and multi-tenant platform architecture from scratch.

CI/CD & Delivery Pipelines
Setting up and managing CI/CD pipelines using GitHub Actions on self-hosted runners, Docker Swarm deployments behind Traefik, and AI-assisted development workflows with coding agents and guardrails.

Micro-Frontend Architecture
Deep experience with islands-style micro-frontend composition, assembling pages from React micro-frontends in client-only, SSR, and React Server Components modes, including host shell and SSR gatekeeper patterns.

Shared Component Libraries
Building and maintaining shared component libraries, including single-import Vite plugins, code generators, security upgrades, Tailwind theme tokens, and Storybook scenarios.

Testing & Quality Assurance
Comprehensive testing experience with Vitest, Jest, Playwright, WebdriverIO, Karma, Mocha, and Chai, covering unit tests, end-to-end tests, and Playwright-based QA agents.

Build Tooling
Proficiency with modern build tools including Vite, esbuild, and webpack, including writing in-house build plugins and improving build pipeline performance.

Platform & Infrastructure
Working with Node.js, Deno, NATS, PostgreSQL, Docker Swarm, Traefik, GitHub Actions, and Azure Kubernetes Service for scalable platform and infrastructure setups.

AI-Assisted Development
Setting up AI-assisted development workflows with guidelines and guardrails so coding agents implement specifications precisely, including MCP servers and Playwright-based QA agents.

Cross-Platform Mobile & Web
Building React Native and Svelte components that share the same styles and design across web and mobile, enabling a unified cross-platform product experience within a monorepo.

Experience

Professional experience10+ years
Freelancer since2022

Languages

EnglishFluentRomanianNative speaker

Project history

Freelance Senior Engineer

Independent - broscaru.eu
Operating through own VAT-registered company, working remotely across the EU. Client in iGaming. Reworking the app into a monorepo with a React Native app and a SvelteKit web app side by side. Built React Native and Svelte components that share the same styles and design so both apps look and behave as one product.

Senior Full-Stack Engineer

Avro IT Consulting
Client in iGaming (Jan 2024 - Jun 2026). Rewrote the player-facing web app from a client-only React monolith into a SvelteKit host with islands-style micro-frontend composition. Worked on React Server Components platform built on Vite's RSC framework. Implemented host shell and SSR, shared libraries, and content gateway over Payload CMS. Also designed and built an internal SaaS platform end to end using SvelteKit (Svelte 5), Deno microservices, NATS, PostgreSQL with pgvector, and Zitadel auth. Set up CI/CD with GitHub Actions on self-hosted runners deploying to Docker Swarm behind Traefik. Acted as bridge between company clients and an offshore development team in India.

Web Application Consultant (Contract)

Airtame
Main maintainer of the new browser-based app built to replace the Electron desktop client (React 18, TypeScript, SCSS, Vite). Shipped features across the Electron app and the UI running on the device itself. Contributed to the shared component library, unit tests (Vitest, Jest), and Storybook scenarios. Took part in hiring interviews.

Front-End Developer

Visma Software
Built a greenfield product in Svelte and TypeScript, in production since 2021, while maintaining a legacy AngularJS application. Turned UI/UX designs into production components, wrote in-house build plugins, and improved build pipeline and app performance. Strengthened unit and end-to-end testing (WebdriverIO, Karma), working closely with QA.

Developer

AUSY Technologies
Migrated microservices from Java to Node.js (Express) for a BMW cloud application; containerised them and deployed to Azure Kubernetes Service. Jest for tests.

Front-End Developer

IMC AG
Moved internally from QA to development. Features and fixes on the company's e-learning portal in AngularJS and SCSS; Mocha, Karma and Chai.

Software QA Professional

IMC AG
Regression suites and UX input to product management in two-week Scrum sprints.

QA Analyst

Iminent Technology
Regression testing of web and desktop apps; started programming here through Selenium.

Senior QA Tester

Gameloft
Promoted to senior after six months; trained new colleagues and mentored a trainee; live-ops monitoring of multiplayer and payments; ran the team on weekend shifts.

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