Build. Ship.
Lead. Repeat.

Software developer building Mommentum — a productivity app for people who want more focus, clarity, and momentum.

Sergio Calderon

Current focus

Mommentum · Product Builder

Things I'm building

Products I'm actively designing, building, and shipping.

Mommentum logo
App·Product Builder

Mommentum

A minimalist productivity app designed to help focused people capture tasks, track habits, and stay in flow — built for how you actually work.

ProductivityiOSSwift
WorkTimer logo
App·Builder

WorkTimer

A focused time-tracking app that helps you measure where your hours go, run timed work sessions, and stay productive throughout the day.

ProductivityWeb

My résumé

A snapshot of the experience, education, and skills behind the products I build.

Experience

Product & Full-Stack Developer

2025 – 2026

NeuroFlow AI

  • Built AI-powered SaaS products for businesses across LATAM as part of an early-stage technology team.
  • Contributed to the full-stack development of tuagenda.digital — a scheduling and CRM platform with a WhatsApp AI agent — spanning architecture, CI/CD, and product strategy.
  • Built Solvencia, an AI personal-finance app for automated analysis and recommendations using React Native and API integrations.
  • Designed lead-acquisition workflows using Google Maps data, outreach sequences, and Meta Ads.

Software Development Intern

Jun – Sep 2025

Comercializadora Frangrit

  • Customized Odoo modules (XML, Python, JavaScript, SQL) to optimize internal workflows and data consistency.
  • Developed a price-verification kiosk with real-time inventory sync and a responsive product catalog.
  • Built strategic reports with Power BI and Excel; managed WordPress sites.

Education

Computer Systems Engineering

Aug 2023 – Jun 2027

Universidad del Valle de México (UVM)

Zapopan, Jalisco, MX

Skills

Languages

TypeScriptPythonJavaScriptSwiftSQLBash

Frontend

ReactNext.jsTailwind CSSSwiftUIHTML/CSS

Backend

Node.jsDjangoFlaskREST APIsNext.js API Routes

Databases

PostgreSQLSupabaseMySQLRedis

AI / LLM

OpenAI APILangChainLLM EngineeringAI AgentsPrompt Engineering

Tools

GitGitHubDockerCI/CDVercelLinuxPower BI

Mobile

SwiftSwiftUIFirebaseGoogle Services

Languages

SpanishNative
EnglishIntermediate-Advanced (B2)

Certifications

  • ·Cisco — Introduction to Cybersecurity, Networking Basics, Python Essentials
  • ·Microsoft — Azure Fundamentals (AZ-900)
  • ·Platzi — Full-Stack Development, Backend with Python

About me

I'm a software developer focused on building digital products that drive and optimize businesses — from architecture to design and deployment. I focus on scalable, efficient solutions aligned with real objectives and tangible impact.

I'm currently focused on building Mommentum — a productivity app designed to help people organize, measure, and improve their daily lives.

Beyond the code, I enjoy taking part in technology communities and events where I can exchange ideas, learn from others, and connect with people who are building.

2026 — Present

Product Builder · Mommentum

Designing and developing a focused productivity app across product and engineering.

2025 — 2026

Product & Full-Stack Developer · NeuroFlow AI

Built AI-powered SaaS products from architecture through launch.

2022 — 2024

Software Developer · Independent projects

Full-stack development across web and mobile products.

Sergio with friends at a technology community event
Learning, sharing, and building with community.

Skills

TypeScriptReactNext.jsNode.jsPythonReact NativeiOS / SwiftAI / LLMsPostgreSQLAWSSupabaseDocker

Let's connect

Open to interesting collaborations, community events, or a good conversation about products and technology.