Fullstack Developer

• +505 8679 3204
• jesus.hernandez@jesushg.com
• linkedIn/jesushg-dev
• Schedule a call
• Managua, Nicaragua
• https://www.jesushg.com

• Spanish

  Native or bilingual proficiency

• English

  Professional working proficiency

• Dutch

  Basic proficiency

Frontend

• HTML

• CSS

• JavaScript

• TypeScript

• Next.js

• React

• React Native

• API REST

• Socket

• Taiwind

Backend

• C#

• .NET Core

• Nest.js

• Python

• Node-JS

• PHP

• GraphQL

Databases

• SQL Server

• MySQL

• MongoDB

• SQLite

• Firebase

• PostgreSQL

Tools

• Git

• Azure

• Docker

• GCP

• AWS

About Me

6+ years designing and scaling enterprise software across high-compliance environments (Walmart, Claro, Imagemaker). Proven track record modernizing monolithic systems into resilient microservices, automating CI/CD release pipelines, and driving technical governance.

Senior Software Engineer

Imagemaker · August 2025 – August 2026

• Designed and shipped critical React, Flutter, and VTEX features for search, catalog, checkout, orders, account, and billing; greenfielded projects with standards, modular structure, and onboarding inside Walmart’s ecosystem.
• Led technical spikes and architecture decisions that cut rework by ~25%, accelerating strategic initiatives.
• Raised quality with Playwright E2E (critical-flow coverage +30 pp), unit tests (+15 pp coverage), and functional validation on high-impact releases; cut regression cycles from 7 to 4 days.
• Owned critical production incidents (mobile and backend) across checkout, orders, and account; improved MTTR ~40% with business communication and recurrence prevention.

Software Engineer

Claro Nicaragua · September 2024 – August 2025

• Designed and built from scratch a telecom service orchestration web platform with Next.js, tRPC, Prisma, and SQL Server, eliminating spreadsheet/email workflows.
• Automated state transitions and real-time notifications, increasing request traceability ~80% and saving 120+ operational hours monthly.

Contollo · August 2023 – March 2025

Full Stack Developer

Musa · June 2022 – July 2023

• Led frontend modernization: migrated jQuery to React+TypeScript, improving performance ~35% and reducing technical debt.
• Refactored toward CQRS and event-driven patterns, improving scalability and reducing coupling across critical modules.
• Designed GraphQL/Nest.js APIs that increased sync reliability ~90%.

Mobile Application Developer

Telo Group · February 2022 – May 2022

• Delivered React Native apps with offline-first architecture and biometric authentication for field operations.
• Implemented Jest unit tests and CI, reducing production bugs ~70%.

Frontend Developer and IT Technician

Asociación de Iglesias Reformadas · November 2019 – December 2021

• Built, deployed, and maintained the institutional website with React/Next.js, modernizing CSS (BEM/SASS) with a UX focus.
• Provided IT support (hardware/software), resolving issues and minimizing downtime.

• Analytical skills.
• Individual and team work.
• Ability to adapt.

• Immediate availability.