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Simon Eisenberg
Fullstack Developer
Fullstack developer delivering web products end-to-end — edtech platforms, ERP systems, and GIS portals. Experience spans requirements, architecture, and production deployment with measurable impact on user workflows.
  • Saint Petersburg, UTC+3 — open to remote contracts worldwide
  • Russian — native, English — B1–B2 (upper-intermediate)
t.me/zenb_workwfzenb@gmail.comin/wfzenb
Work experience
4 years 1 month

Institute of Telecommunications

Fullstack Developer
August 2024 - present (2 years)

Full-time from Aug 2024; concurrent InterSELT role through Feb 2025

  • Developed corporate geoportal with interactive maps (OpenLayers), measurement catalog, and spatial data upload/export — unified geospatial database access in one interface.
  • Led incremental rewrite of legacy codebase (React, Express, PostgreSQL) from requirements through production deployment.
  • Implemented RBAC, user action audit log, and permission administration for secure multi-user access.

InterSELT

Lead Fullstack Developer
July 2022 - February 2025 (2 years 7 months)

Full-time through Aug 2024, then part-time handover.

  • Led ERP replacement for ~100 employees, eliminating Google Sheets workflows; started solo, led a team of 2–3 developers.
  • Architected and built fullstack ERP with React, Express, PostgreSQL; JWT auth, 6-role RBAC, WebSocket updates, and Telegram bot (Python).
  • Built load-test environment and fixed peak-hour UI freezes — stable under dozens of concurrent users.
2022
2023
2024
2025
2026
ITAIN
InterSELT
Key projects

NMN Chemistry

Stack:Next.js / NestJS / PostgreSQL / MinIO

Personal commercial project — solo fullstack edtech platform in production with paying users: courses, 1,000+ question bank, schedule, homework, video, Telegram integrations.

View case studyLive site

Spotory

Stack:Next.js / NestJS / MapLibre / PostgreSQL

Conducted field research (29-rider survey, 4.3/5 spot-card hypothesis) and built MVP prototype for sports spot discovery platform.

View case study

InterSELT — InterSELT Cloud

Stack:Nextcloud / PostgreSQL / Redis / S3

Migrated 700,000+ files (~500 GB) from Google Drive to self-hosted Nextcloud + S3 for ~40 users, enabling on-prem storage with backups and versioning.

View case study

InterSELT — InterSELT Plan

Stack:React / Express / PostgreSQL / WebSocket

Corporate ERP for ~100 employees — unified projects, tasks, and time tracking replacing spreadsheet workflows.

View case study

Institute of Telecommunications — Geoportal

Stack:React / OpenLayers / Express / PostgreSQL

Developed corporate GIS portal with interactive maps (OpenLayers), analytics, file catalog, and spatial data export in one interface.

View case study
Education
HSE UniversityNational Research University Higher School of Economics
SHIFT, UX Analytics and Information System Design
Master's degree2025 - 2027
RSHURussian State Hydrometeorological University
IISG, Applied Informatics
Bachelor's degree2020 - 2024
Tools & technologies
Frontend
ReactNext.jsTypeScriptOpenLayersZustand
Backend
Node.jsNestJSExpressPostgreSQLPrismaPython
Infrastructure
DockerNginxLinuxGitWebSocket
Design
BPMNERDFigma
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