ES

MartinMenchaca

Engineering beyond the interface.

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Engineer & UX/UI Designer · MX · 2026Currently building ARES

01 / Introduction

I design and build products, not just interfaces.

I'm Martin Menchaca, a software engineer and UX/UI designer from Mexico, founder of Saturnus Lab and ARES. I work across mobile, web and backend, and the experience comes first in everything I build. For me, UX/UI is not negotiable.

02 / Selected work

Products I've built from the ground up.

  1. Project / 001

    ARES

    An all-in-one fitness ecosystem for athletes, coaches, nutritionists and gyms, with seven user roles on a single unified data architecture.

    • Periodized training driven by AI
    • ARENA, its own social network: video feed, stories and chat
    • Branded apps for coaches and nutritionists
    • Control Gym for gyms, with 0% commission
    Role
    CEO, founder, developer, UX/UI designer
    Platform
    Mobile app and web
    Stack
    React Native · Expo · TypeScript · Firebase · Reanimated · Next.js
    Focus
    Training, coaching, social, gyms
    Status
    In active development

    Visit site Case study Soon

  2. Project / 002

    Kiintech

    A year as full-stack developer and UX/UI designer. I designed and built a healthcare platform in collaboration with Kiintech, worked on Salesforce projects and automated banking workflows with RPA.

    • Healthcare platform: booking, medical records, patient and doctor apps, admin panel
    • UX/UI design of the entire healthcare app
    • Company website: design and development
    • Salesforce projects
    • RPA for banking workflows with UiPath and SAP
    Role
    Full-stack developer, UX/UI designer
    Platform
    Mobile and web
    Stack
    React · Astro · Node.js · Laravel · PHP · Salesforce · UiPath · SAP
    Focus
    Healthcare, Salesforce, process automation
    Status
    Completed, Apr 2025 to Apr 2026

    Visit site Case study Soon

    Design

    Selected screens from my design. Client branding removed.

    • Booking screen: choosing a specialty, a date and a time for a medical visit
      Book a visit
    • Plan usage screen: the services used so far and the specialties the plan covers
      Plan usage
    • New policy screen: choosing between an individual and a group policy
      New policy

More work

  • 003Banking automationKiintechRPA · Enterprise

    Automated workflows that validate, transform and consolidate banking files from several sources, replacing repetitive manual processing with documented, repeatable processes.

    UiPath · SAP · Excel

  • 004Smart MobilityITSONIoT · Backend

    A proof of concept where simulated cars, buses and scooters exchange data in real time over MQTT and appear on an interactive city map.

    Node.js · SQLite · MQTT · WebSocket

  • 005VotoRápidoITSONDistributed systems

    A distributed voting system on Cassandra, with its data replicated across regions.

    Cassandra

  • 006Smart IrrigationITSONIoT · Mobile

    A greenhouse irrigation system: a Flutter app opens and closes valves and reads humidity and temperature sensors through an Arduino, with alerts and user roles.

    Flutter · Firebase · Arduino

  • 007Chox POSITSONDesktop

    A point-of-sale system for a supplements store that manages products, customers, users and sales on a relational database.

    C# · WinForms · PostgreSQL

  • 008Blog platformITSONWeb · Backend

    A blog with accounts, sessions and content management, built on a classic Java web stack.

    Java · JSP · Servlets · MySQL

  • 009STYLUSITSONMobile · E-commerce

    A mobile store concept that explores product browsing and the shopping flow.

    Flutter · Dart

03 / Saturnus LabFounder & Director

Saturnus

Software studio · Beyond Orbit · Beyond Time

We don't just code. We design digital experiences with soul, strategy and direction.

Visit the studio

  • Discipline / 01Custom softwareWeb systems and platforms
  • Discipline / 02Mobile appsiOS and Android
  • Discipline / 03UI/UX & digital brandingInterfaces and brands
  • Discipline / 04Prototype designValidate before building

04 / Experience

Where I have worked and studied.

  1. Jan 2026 – Present

    Saturnus Lab

    Founder & Director

    My software studio: custom software, mobile apps, UI/UX and digital branding.

  2. Oct 2025 – Present

    ARES

    CEO, Founder, Developer, UX/UI Designer

    Leading product, design and engineering for an all-in-one fitness ecosystem, currently in development.

  3. Jun – Aug 2026

    ITSON

    Social service, research

    Research on digital transformation for small businesses in Navojoa, with CANACO Servytur del Mayo and the municipal commerce office: a technology maturity assessment and the survey behind it.

  4. May 2026

    ITSON

    Instructor, Git workshop

    Taught a 10-hour workshop on version control with Git and GitHub to software engineering students, with a manual, slides and exercises of my own.

  5. May 2026

    ITSON

    Speaker, professional practice forum

    Presented my design of the healthcare platform at the Professional Practice and Social Service Forum, in the consulting category.

  6. Apr 2025 – Apr 2026

    Kiintech

    Full-stack Developer, UX/UI Designer

    Designed and built a healthcare platform end to end and the company website, worked on Salesforce projects and automated enterprise banking workflows.

  7. In progress

    Salesforce courses

    Administrator · Developer

    Completed the Administrator courses. Currently studying Salesforce development.

  8. 2022 – 2026

    ITSON

    Software Engineering

    Instituto Tecnológico de Sonora, Navojoa campus. Coursework completed, degree in process. Intermediate English (B1).

05 / Capabilities

What I work with.

Design

  • UX/UI designARES · Kiintech · Saturnus Lab
  • FigmaKiintech
  • PrototypingSaturnus Lab
  • Digital brandingSaturnus Lab
  • Motion · GSAPThis site
  • WebGLThis site

Mobile & web

  • React Native · ExpoARES
  • FlutterSmart Irrigation · STYLUS
  • ReactKiintech
  • AstroKiintech · This site
  • Next.jsARES · Personal projects
  • TypeScriptARES · This site
  • Tailwind CSSARES
  • Laravel · PHPKiintech

Backend & data

  • FirebaseARES · Smart Irrigation
  • Node.jsKiintech · Smart Mobility
  • JavaBlog platform
  • Spring BootITSON · Personal projects
  • PostgreSQL · MySQLChox POS · Blog platform
  • SQLite · MQTTSmart Mobility
  • CassandraVotoRápido
  • StripeARES

Enterprise & hardware

  • SalesforceKiintech
  • UiPath · RPABanking automation
  • SAPBanking automation
  • Arduino · ESP32Smart Irrigation
  • C# · .NETChox POS
  • UnityPersonal projects

06 / Currently

What I am focused on now.

Building
  • ARES
  • Saturnus Lab
Learning
  • Salesforce development
  • Finishing my degree
Exploring
  • IoT with ESP32 and MQTT
  • Game development with Unity
Off screen
  • Strength training
Available for
  • Job opportunities
  • Client projects

Updated September 2026

07 / Contact

I am looking for a role on a product team, and I take on client projects through Saturnus Lab. Write to me either way.