Senior Frontend Engineer

Hovhannes Matevosyan

Also goes by Johannes

I build scalable frontend systems — and the architecture, APIs, and delivery pipelines behind them. 10+ years across fintech, enterprise SaaS, and health-tech, working primarily in Angular and React.

Angular • React • TypeScript • NestJS • Nx Monorepo

View projects →Get in touch

What I bring

Frontend architecture, performance and accessibility discipline, and full-stack delivery — turning ambiguous product requirements into systems that stay maintainable as teams and traffic grow.

Current focus

Building TradeForge, a full-stack trading platform on Angular, NestJS, and Nx Monorepo with Module Federation, alongside frontend architecture consulting and open-source contributions.

Core stack

AngularReactTypeScriptNestJSRxJSNx MonorepoNext.js

Available for

Senior Frontend Engineer, Frontend Architect, and frontend-heavy full-stack roles in remote-first product teams, especially where ownership and frontend quality really matter.

Featured projects

View all

TradeMind AI

An AI-assisted trading journal focused on helping traders spot behavioral patterns, review decisions, and build better feedback loops.

Next.jsReactTypeScriptSupabaseOpenAI API
↗

TradeForge

A full-stack trading platform built from scratch to practice production-grade architecture end to end: Angular micro-frontends over a NestJS API, organized as an Nx monorepo.

AngularTypeScriptNestJSNx MonorepoModule FederationPrismaPostgreSQL
↗

AngularEventify

A typed event bus library for Angular applications focused on scoped channels, lifecycle-aware subscriptions, and low-boilerplate communication.

AngularTypeScriptRxJSnpmJest
↗

Experience highlights

  • 10+ years shipping production frontend across fintech, SaaS, and health-tech
  • 25% React bundle size reduction at Weltrade, improving load speed for thousands of active traders
  • 50+ component design system at SKIY31 GmbH, adopted across 4 client projects with zero regressions
  • Sub-200ms render time on a 10,000+ record Angular search engine at Ally Inc.

Latest writing

Browse all

Jun 2026

Nx

Nx Agents Turned Our 40-Minute CI Into an 8-Minute One

How Nx Agents distribute a monorepo's task graph across multiple machines automatically, and why that change cut our CI pipeline from 40 minutes to 8.

Jun 2026

Nx

nx graph — Reading Your Dependency Tree

What running nx graph actually shows you about your monorepo, and why it's the fastest way to spot coupling and predict what nx affected will run.

Jun 2026

Web3

The Graph vs Goldsky for Frontend Devs

What frontend developers actually need to know about indexing blockchain data with The Graph and Goldsky.

Open to senior frontend and architecture roles

If you’re hiring for a product where frontend architecture and full-stack delivery actually matter, I’d like to hear about it.

Get in touch →