N4.000 /signal acquired

BUENOS AIRES → WORLDWIDE

NadyaJerochim

Full Stack Engineer AI & Product

I build products end-to-end, combining product thinking, UX, full-stack engineering, AI integrations, and systems architecture. Making an uncertain future easier to navigate.

Projects Resume Blog
AVAILABLE FOR WORK2026 / 01
Nadya Jerochim, Full Stack Engineer
PORTRAIT / RAW SIGNALIMG_001 / 1BIT
SYS /interface online

From idea to production.

01101001 01101110 01100100
DATA STREAM / 01
02 / 03 /shipped productsIMAGE INDEX / 2021—26

Projects / CODING EXPERIENCES

CASE 01 /active system

DNS Monitor

Live demo ↗Repo ↗

Domain and infrastructure monitoring with email alerts: detects changes to DNS records, nameservers, registrar, DNSSEC, certificates, email configuration, website availability, and monitor health. Runs as a scheduled Cloudflare Worker with a custom landing page.

DNS Monitor landing page
DNS Monitor dashboard
DNS Monitor domain checks
DNS Monitor alert emails
DNS Monitor configuration
DNS Monitor status and health
CASE 02 /archived system

Calendar Money

Live demo ↗Frontend repo ↗Backend repo ↗

A personal finance app that turns your income and expenses into a calendar. Built with React 18, TypeScript, Vite, Sass, Chart.js and Zod. Featuring an interactive calendar with drag-and-drop transactions, instant search, AI-powered receipt scanning, advanced Chart.js analytics, category-based budgeting, CSV/PDF backup and restore, adaptive responsive layouts, and a customizable UI.

Calendar Money landing page
Calendar Money dashboard
Calendar Money statistics
Calendar Money statistics breakdown
Calendar Money receipt scanner
Calendar Money account settings
Calendar Money budgets
Calendar Money categories
CASE 03 /archived system

NYADY

Live demo ↗Repo ↗

Full-stack e-commerce platform with product catalog, persistent shopping cart, coupons, shipping quotations, payment management and order tracking. Built with Next.js, TypeScript, Redux Toolkit, Prisma + PostgreSQL and NextAuth. Integrated with MercadoPago and Zipnova.

NYADY home page
NYADY product catalog
NYADY product detail
NYADY cart
NYADY checkout
NYADY orders and tracking
03 / 04 /career log

Experience / PROFFESIONAL JOURNEY

Full Stack Engineer

Transistemas

Dec 2024 - Present

  • Design, development, and maintenance of scalable full-stack applications for clients and NGO partners, including REST APIs, database architecture, responsive interfaces, and internal management platforms.
  • Developed and optimized the institutional website, implementing new requirements, migrating from legacy bundling tools to Vite, and improving deployment workflows.
  • Designed and built a domain and infrastructure monitoring system on Cloudflare Workers: cron-driven checks detecting DNS changes, nameserver inconsistencies, domain expiration (RDAP), DNSSEC, email security records (SPF/DMARC/DKIM) and web availability, with automated email alerts, Cloudflare KV snapshots and an external watchdog.
  • Implemented deployment automation, firewall configuration, observability practices, and technical documentation covering architecture, infrastructure, security policies, and operational procedures.
  • Coordinated development initiatives using Agile methodologies, GitHub, and Notion, managing priorities, technical requirements, and project delivery.
  • Collaborated with Design, Education, and Communications teams to identify organizational needs and translate them into software solutions.
  • Managed client and NGO partnerships, contributing to lead generation, technical discovery, requirements gathering, stakeholder communication, and long-term technical support.
  • Supported team growth through technical interviews, candidate evaluation, onboarding processes, and development workflow improvements.
  • Led cybersecurity initiatives and infrastructure improvements to increase reliability, maintainability, and organizational resilience.
04 / 04 /knowledge graph

Education / CONTINUOUS LEARNING

01

Bachelor of Information Systems

National University of Lanús

02

H.S. Diploma, Economics & Administration

Colegio Jesús María

05 / 09 /toolkit

Tech Stack / SKILLS

01INDEXED

Languages

  • TypeScript
  • JavaScript
  • Python
  • Java
  • SQL
  • HTML5
  • CSS3
  • SASS/SCSS
02INDEXED

Frontend

  • React
  • Next.js
  • Astro
  • Vite
  • Redux Toolkit
  • TanStack Query
  • Zustand
  • Tailwind CSS
03INDEXED

Backend

  • Node.js
  • Express
  • REST API Design
  • Prisma ORM
  • Cloudflare Workers
  • Cloudflare KV
  • Serverless
  • JWT Auth
  • OAuth2
04INDEXED

Databases

  • PostgreSQL
  • MySQL
  • MongoDB
  • Redis
  • Supabase
  • NoSQL
05INDEXED

DevOps & Cloud

  • Docker
  • GitHub Actions
  • CI/CD
  • DNS Security
  • Email Authentication (SPF / DMARC / DKIM)
  • Observability
06INDEXED

Testing

  • Jest
  • Cypress
  • Vitest
  • Playwright
07INDEXED

Tools

  • Git
  • Figma
  • n8n
  • Notion
  • Scrum
  • Agile
08INDEXED

AI Applications

  • LLM APIs Integration
  • Prompt Engineering
  • Tool Calling
  • Agent Orchestration
  • MCP
  • RAG
  • Workflow Automations
09INDEXED

Spoken Languages

  • English (C2)
  • Spanish (Native)
06 / 09 /verified records

Credentials / CERTIFICATIONS

  1. 01

    Full Stack Developer

    ZTM Academy

    VALID / RECORD
  2. 02

    Testing QA

    Instituto Web

    VALID / RECORD
  3. 03

    UX Design

    Platzi

    VALID / RECORD
  4. 04

    Scrum Foundation Professional

    Certiprof

    VALID / RECORD
  5. 05

    English C2 Proficiency

    EF Education First

    VALID / RECORD
07 / 09 /publication log

Blog

  1. 01Next.js Roadmap
  2. 02React Query Tutorial
  3. 03Redux Toolkit (RTK) Learning Path
  4. 04TSX: TypeScript + React
  5. 05Tailwind CSS Cheat Sheet
  6. 06Testing Notes
  7. 07Zod: Runtime TS Validations
  8. 08From JavaScript to TypeScript in production
08 / 09 /open channelRESPONSE WINDOW / 24—72 HRS

Contact

Available for full-stack AI product work, LLM integrations, and workflow automation. Write to

[email protected]