# Alexander Lazarovich — Senior Full-Stack Engineer

> Senior Full-Stack Engineer (TypeScript) building Nx microservices and high-traffic React dashboards for a trading platform with 100K+ users.

## Summary

Alexander Lazarovich is a Senior Full-Stack Engineer based in Ra'anana, Israel. He specializes in TypeScript end-to-end, building scalable microservices and high-traffic React dashboards. He currently works at The5ers, a proprietary trading firm, where he owns core platform integrations serving 100K+ users.

## Current Role

**The5ers** — Full Stack Engineer (2024–Present)
- Owns central dashboards for 100K+ users (70K active) with smart polling aligned to 30s backend sync
- Introduced and standardized React Query company-wide (query patterns, cache strategy, invalidation rules)
- Eliminated production rate-limit failures and reduced external API costs to 30–40% via Redis cache layer
- Delivered architecture/training sessions for 6 teams (~18–24 developers)
- Works across 20+ microservices and 100+ shared libraries in an Nx monorepo

## Previous Experience

**Triolla** — Full Stack Engineer (2023–2024)
- Delivered client systems across frontend and backend (React, Node/Nest/Express, Laravel)
- Modernized deployments with Docker/AWS

**Restigo** — Full Stack Engineer (2022–2023)
- Led team of 3 developers; drove CI/CD adoption
- Modernized legacy UI: jQuery → React; designed new SQL schemas

**ASML** — Field Service Engineer at Intel (2018–2022)
- Supported mission-critical semiconductor production environments
- Built systematic troubleshooting mindset under uptime constraints

## Tech Stack

**Frontend**: React, TypeScript, React Query (TanStack), MUI, AntD, Storybook, i18n
**Backend**: Node.js, NestJS, REST, BullMQ, Redis, Microservices, Nx
**Infrastructure**: Docker, GitHub Actions CI/CD, Grafana, Prometheus, Sentry, Coralogix
**Data**: MongoDB, SQL, Redis
**AI Tools**: Cursor, Claude Code (agent workflows for planning, refactors, code review)
**Quality**: SOLID, Clean Architecture, Jest, Agile/Scrum

## Education

B.Sc. Electrical & Electronics Engineering — Ariel University

## Contact

- Email: alex.lazarovichh@gmail.com
- Phone: +972-54-4567302
- LinkedIn: https://linkedin.com/in/alexander-lazarovich
- Portfolio: https://alexlaz.dev
- 3D Portfolio: https://alexlaz.dev/explore
- Location: Ra'anana, Israel

## Key Strengths

- Owned 3 microservices end-to-end (design → implementation → production)
- Standardized React Query across an entire engineering organization
- Reduced external API costs by 60–70% through Redis cache-first architecture
- Trained 6 teams (~18–24 developers) on company standards and best practices
- Experienced collaborating with international teams across time zones
- Strong problem solver with hardware-discipline background from ASML/Intel