Available for new roles
Senior Frontend EngineerReactNext.jsTypeScript

Matt Hosseini

Senior frontend engineer with 6+ years building React and Next.js products for data-heavy SaaS teams — architecture, auth, design systems, testing, and reliable delivery.

Yerevan, Armenia·Available for senior frontend and product-minded platform roles across remote US and EU teams.

6+

Years building React and Next.js products

Enterprise SaaS delivery across product, platform, and desktop surfaces.

40%

Faster page loads

Measured on Shop-Ware performance and rendering improvements.

32%

Faster build pipelines

Combined CI and build feedback improvements across modern frontend stacks.

30%

Fewer production bugs

Jamloop quality gates and typed workflows reduced regression risk.

80%

Higher deployment frequency

Improved delivery confidence through CI, testing, and reusable UI foundations.

4

Electron desktop apps shipped

Delivered in healthcare and collaboration product environments.

1,000+

Automated tests in CI

Shop-Ware and related frontend quality workflows.

2 + 7

Next.js apps and shared packages

Reolink Turborepo monorepo footprint at Neoxi.

Work

Experience and shipped work.

Career history and project highlights — click any entry to expand details, outcomes, and technical decisions.

Skills

Evidence-backed senior frontend capabilities.

Capability areas grouped around how work gets done in real products, not a generic logo wall.

Frontend Architecture

Builds scalable React and Next.js systems that stay understandable as products and teams grow.

ReactNext.jsTypeScriptJavaScriptSSRSSGISRReact Server ComponentsSWCPerformance optimizationResponsive UIAccessibility

Proof

  • Reolink
  • Jamloop
  • Shop-Ware
  • Mojito Mint
  • Coffee / Uniplato

Design Systems and UI

Turns design intent into reusable, production-grade UI patterns with consistent implementation discipline.

StorybookTailwind CSSshadcn/uiMaterial UIAnt Designstyled-componentsSassFigmaAdobe XD

Proof

  • Jamloop
  • Shop-Ware
  • Coffee / Uniplato
  • Satek
  • Mojito Mint

Data and State

Uses the right state boundary for the job, from server data and caching to local product workflows and typed transport contracts.

React QueryRedux ToolkitZustandSWRRESTGraphQLApollo ClientGraphQL Code GeneratorTyped API integrations

Proof

  • Reolink
  • Jamloop
  • Mojito Mint
  • Coffee / Uniplato
  • Dojeldi

Authentication and Security

Comfortable building secure identity flows that balance product UX with operational reliability.

Ory KratosNextAuthClerkAuth0MFAPasskeysTwilio VerifyResendJWTRate limitingSecurity headersCSPHSTSCORS

Proof

  • Reolink
  • Jamloop
  • Mojito Mint
  • I Read

Testing and Quality

Ships with confidence by combining browser automation, component tests, and quality gates that scale with product complexity.

PlaywrightVitestJestReact Testing LibraryCypressVisual regressionPercyCodecovStorybook testing

Proof

  • Jamloop
  • Reolink
  • Shop-Ware
  • Mojito Mint
  • TDD / Playwright Automation

Build and Delivery

Improves developer feedback loops and release confidence through practical tooling, package architecture, and CI design.

GitHub ActionsCircleCIWebpackViteDockerKubernetesTurborepopnpmYarn workspacesNetlifyVercelHerokuSemantic Release

Proof

  • Reolink
  • Jamloop
  • Shop-Ware
  • Mojito Mint
  • Coffee / Uniplato

Observability

Treats frontend monitoring as a product reliability tool rather than a post-release add-on.

SentryDatadogBetter StackPinoPostHogNew Relic

Proof

  • Jamloop
  • Reolink
  • Shop-Ware
  • Mojito Mint
  • Coffee / Uniplato

Full-stack and Infrastructure

Comfortable owning the backend-adjacent and deployment concerns that make frontend systems work in production.

Node.jsNestJSExpressTypeORMPostgreSQLRedisTerraformDocker ComposePM2AWS S3

Proof

  • I Read
  • Reolink
  • Shop-Ware
  • Mojito Mint

About

Product-minded frontend engineering for complex teams.

A grounded view of the engineering strengths behind the portfolio.

Matt Hosseini is a senior frontend engineer focused on React, Next.js, and TypeScript for enterprise SaaS products. His work sits where interface quality, system architecture, and delivery reliability meet.

He is comfortable with complex codebases, legacy modernization, authentication and security flows, typed integrations, design systems, and CI/CD-heavy product environments.

He has worked with remote international teams across cloud platforms, ad-tech, healthcare, collaboration tools, and data-heavy applications. The through-line is product-minded engineering: building maintainable systems that help teams ship faster without weakening quality.

Based in Yerevan, Armenia, he is especially strong in secure user flows, testing strategy, observability, and frontend architecture that scales beyond a single feature team.

Let's build something.

Available for senior frontend and product-minded platform roles across remote US and EU teams.