Experience5+ Years
BaseMexico, CDMX

Jesus

Software Engineer

Montiel

CommunicationEspañol (Native)English (Advanced)
SystemScroll to Explore ↓

About Me

// IDENTITY & JOURNEY

SoftwareEngineerwith5+yearsbuildingscalable,high-performancewebecosystems.ProventrackrecordatgloballeaderslikeWalmartandGoogleMaps(HCL),consistentlydeliveringtop-tier98-99%Lighthousescores.

Beyondfrontend,Iarchitectenterprisesystemstructures.AFull-StackproblemsolverversedinPython,AWS,andPostgreSQL.GoogleCloudCertifiedandadaptedtofast-pacedinternationalteams,IbridgeUIexcellencewithrobust,cleanbackends.

Arsenal

The following stack represents the technologies where I have deep experience and consider myself an expert. Any other technologies seen in my projects were used as required, but this is my core Arsenal.

// BUILD THE SYSTEM
Frameworks
Next.js

Next.js

React

React

Astro

Astro

Languages
JavaScript

JavaScript

TypeScript

TypeScript

Styles
Tailwind CSS

Tailwind CSS

Styled Components

Styled Components

Sass

Sass

State Management
Zustand

Zustand

Redux

Redux

Experience

// CAREER TIMELINE

Software Engineer (Lead Frontend Architect)

Segula Technologies

05/2025 – Present
  • Architected the technical stack and project structure for an enterprise-level User Administration System, ensuring long-term maintainability and scalability.
  • Engineered complex business logic for mission-critical modules, including real-time work-hour tracking and event-driven calendar systems.
  • Designed a robust state management strategy using Redux and TypeScript to handle secure authentication and high-frequency data updates.
  • Collaborated on cross-functional system design, ensuring seamless integration between the frontend architecture and backend services.
Next.jsTypeScriptReduxSoftware Architecture

Senior Frontend Developer

Nativebo

08/2024 – 05/2025
  • Led performance engineering initiatives, consistently delivering core web vitals with Lighthouse scores of 98-99% across high-traffic platforms.
  • Optimized multi-framework architectures using React, Astro, and LitElement to maximize conversion rates and user retention.
  • Acted as a technical bridge in international teams, streamlining communication and standardizing development workflows in English.
ReactAstroPerformance EngineeringLitElement

Software Engineer (Full-Stack Focus)

Ammper

01/2024 – 07/2024
  • Developed end-to-end financial systems, bridging secure Python/AWS backend services with high-performance Next.js interfaces.
  • Implemented real-time data streaming via WebSockets for financial dashboards and architected secure JWT-based authentication flows.
  • Applied rigorous clean architecture principles and comprehensive testing to ensure system reliability in the fintech domain.
Next.jsPythonAWSWebSocketsClean Architecture

Cloud Support Engineer

Google Maps (HCL)

01/2023 – 12/2023
  • Provided advanced technical engineering support for Google Maps APIs and Google Cloud Platform (GCP) for global enterprise clients.
  • Analyzed complex technical issues within the Google Cloud ecosystem, facilitating high-level problem solving in international environments.
  • Received specialized training in GCP infrastructure, enhancing expertise in cloud-native service integration.
GCPGoogle Maps APIsTechnical Troubleshooting

Senior Software Engineer (Frontend Lead)

Walmart

04/2022 – 04/2023
  • Directed frontend engineering for internal enterprise tools, managing high-scale components and complex user flows.
  • Ensured system integrity through rigorous unit and integration testing using Jest, maintaining high standards for code quality.
  • Contributed to cross-platform backend initiatives using JavaScript and Spring Boot to optimize internal data processing systems.
ReactSpring BootJestEnterprise Systems

Frontend Developer

Ubitt

09/2021 – 03/2022
  • Architected and executed the legacy migration of four high-traffic SPAs from PHP to a modern Next.js ecosystem.
  • Established mobile-first engineering standards to improve system responsiveness and cross-device user experience.
Next.jsSystem MigrationPHPJavaScript
PRESENT
2021

// MY PROJECTS

Dominando Astro

An e-commerce solution focused on developer-centric Astro templates. Built with a focus on SOLID principles and clean UI, the platform integrates Stripe for payments and used Supabase for its initial backend infrastructure (currently dormant). This is an evolving project with more features and content in the pipeline.

ViteReactFramer MotionTailwindCSSStripeSupabase
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Dominando Astro

// MY PROJECTS

Low-Requirements Portfolio

This portfolio was created with low-performance devices in mind. It is optimized for computers that, for various reasons, are unable to run the full version of the portfolio with all animations and advanced effects enabled.Its main goal is to provide a smooth and accessible experience, preserving core functionality and a clean visual presentation without compromising device performance.

AstroJavaScriptTailwindCSS
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Low-Requirements Portfolio

// MY PROJECTS

Full Portfolio

This full portfolio was built using Next.js, React, TypeScript, and Framer Motion. It is designed to provide a different experience compared to a traditional portfolio, blending functionality with visual storytelling. The project aims to strike a balance between performance and user experience by incorporating smooth animations and a scroll-based flow that naturally guides visitors through the content. Every interaction is carefully crafted to strengthen the portfolio’s identity and make the browsing experience dynamic, immersive, and memorable.

Next.jsReactTypeScriptFramer Motion
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Full Portfolio

// MY PROJECTS

Project Delta

This is a placeholder description for the fourth project, emphasizing cross-platform mobile development.

React NativeExpoGraphQL
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Project Delta

Let’s Build Something Exceptional

I’m always open to discussing high-performance frontend projects, full-stack opportunities, or technical leadership roles. Whether you have a question about my experience with React/Next.js or just want to say hi, my inbox is always open.

Get in touchDownload CV
Emailjesusalfonsomontiel@gmail.com
LocationMexico City(Remote Worldwide)
Social
GitHub LinkedIn

© 2026 Jesus Montiel

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