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Julsmind SAS Blog

Ideas that accelerate your next product

Practical articles on custom software development, applied AI, MVPs and the LATAM tech market.

Comparative chart showing the drop in app installs as file size in MB increases.Featured · Development

Why Your App's Weight is Killing Your Conversion Rate in LATAM

Learn how reducing download size on Android and iOS drastically improves user retention and acquisition in emerging markets like Colombia and Brazil.

8 min read
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Technical flowchart of a dynamic pricing engine showing market variables and user segmentation logic.AI

Growth Engineering: Building Dynamic Price Experimentation Engines

Learn to build a dynamic price experimentation engine. Technical strategies for segmentation, elasticity, and deployment in emerging markets.

8 min Read
Infographic showing the retail purchase cycle using artificial intelligence in the Latin American market.AI

AI in LATAM Retail: Real Strategies to Stop Grocery Churn

Discover how LATAM retail chains use AI and predictive analytics to personalize offers, optimize inventory, and reduce shopping cart abandonment.

9 min Read
Diagram of distributed nodes syncing data using CRDT algorithms without a central serverDevelopment

Real-time Sync with CRDTs: Ending Edit Conflicts Forever

Master CRDTs to build collaborative apps without network conflicts. Technical guide on offline-first architectures and eventual consistency.

11 min Read
Headless commerce architecture diagram connecting Pix, PSE, and Nequi APIs in Latin AmericaDevelopment

Headless Commerce in LATAM: Integrating Pix, PSE, and Nequi

Scale your e-commerce in LATAM using headless architectures. Learn to integrate local payment gateways like Pix and PSE without sacrificing performance.

8 min Read
Technical diagram comparing Skia and Impeller rendering engines within the Flutter architecture.AI

Flutter Impeller: The Definitive Guide to Eliminating Jank

Master the new Impeller rendering engine in Flutter. Learn how to eliminate shader jank and optimize high-end mobile app performance for iOS and Android.

9 min Read
Technical diagram showing hidden API discovery and centralized security traffic flowSecurity

API Security: Taming Shadow IT and Ghost Endpoints

Learn how to identify and secure hidden Shadow APIs using practical frameworks and compliance strategies to prevent data breaches in modern software architectures.

8 min Read
Technical diagram showing event-driven architecture connecting Node.js microservices through a RabbitMQ broker.Development

Event-Driven Architecture: A Technical Guide with Node and RabbitMQ

Master event-driven microservices. A technical deep dive into decoupling services using Node.js, RabbitMQ, and eventual consistency patterns.

9 min Read
Node diagram connecting semantic concepts and Schema.org code on a developer's screen.AI

Semantic SEO: Why Keywords Aren't Enough in 2024

Master entity-based technical SEO and structured data to dominate SERPs. Advanced guide for product and technical marketing teams.

9 min Read
Automated security workflow diagram integrating pentesting tools into a continuous deployment pipeline.Security

Continuous Pentesting: Why Annual Scans Won't Protect Your Fintech

Learn how to integrate penetration testing and security into your CI/CD pipeline to meet LATAM compliance without slowing down deployments.

8 min Read
Engineering team collaborating in a virtual environment analyzing product impact metrics.Culture

Product Culture: How to Avoid 'Ticket Monkey Syndrome' in Remote Teams

Learn how to transform passive engineering teams into strategic product partners. Autonomy, context, and metrics strategies for distributed software teams.

8 min Read
Chart showing the reduction in development hours after implementing a structured design system.Design

Measuring Design System ROI: Moving Beyond the Button

Learn how to quantify the financial impact of your design system on software development. Real metrics for efficiency, scalability, and cost reduction.

8 min Read
Technical diagram comparing Retrieval-Augmented Generation and Fine-tuning processes in a cloud environment.AI

RAG vs. Fine-Tuning: The Hybrid Strategy for AI in Production

Stop choosing between RAG and Fine-Tuning. Learn how to combine them to build AI systems with long-term memory, real-world context, and lower costs.

9 min Read
Technical diagram comparing browser-side tracking vs server-side tracking for data privacy.Business

Server-Side Tagging: Why Your Customer Analytics Are Broken

Learn how Server-Side Tagging fixes data loss from ad-blockers and cookies while improving performance and privacy for your SaaS and E-commerce.

10 min Read
Technical data flow diagram with security annotations over a dark background.Security

Practical Threat Modeling: Beyond the Checklist for LATAM Fintechs

Master threat modeling with OWASP and STRIDE. Practical cybersecurity strategies for Fintechs in Colombia, Mexico, and Brazil.

9 min Read
Diagram showing OWASP ASVS verification levels for secure software development.Security

OWASP ASVS: The Real Standard to Stop Playing at Security

Master the OWASP Application Security Verification Standard (ASVS) to build armored software and comply with international data protection regulations.

8 min Read
Technical diagram of a microservices architecture protected by an API Gateway and Zero Trust policies.Security

Zero Trust in APIs: Beyond OAuth and LATAM Compliance

A technical guide on Zero Trust API architecture, OWASP API Top 10 mitigation, and regulatory compliance in Colombia, Mexico, and Brazil.

9 min Read
Engineering workflow diagram optimized with DevEx metricsDevelopment

Developer Experience (DevEx): Metrics That Actually Matter

Stop measuring commits and story points. Discover how Developer Experience (DevEx) redefines productivity and talent retention in software engineering teams.

8 min Read
Architectural diagram of a user research repository showing tags, connections, and data flow.Design

UX Research Repositories: Preventing Insight Decay

Learn how to build an effective UX research repository to centralize findings, avoid duplication, and accelerate data-driven decision making in your product team.

7 min Read
Modern UI showing contrast indicators, keyboard navigation focus, and accessibility labels.Design

WCAG 2.2: How Accessibility Drives ROI for Your Digital Product

Master the new WCAG 2.2 criteria. Learn why accessibility is not just ethics, but a massive competitive advantage for your SaaS in 2024.

8 min Read
Technical diagram comparing AI responses with and without fidelity evaluation frameworksAI

RAG is Not Enough: Mastering the Science of AI Precision

Stop guessing if your AI is hallucinating. Learn how to use Ragas, TruLens, and advanced MLOps to evaluate and optimize your RAG systems for production.

8 min Read
Technical diagram showing the relationship between color variables, semantic tokens, and UI components.Design

Design Token Architecture: The Secret to Product Scalability

Learn how design tokens transform static design systems into dynamic infrastructures for global, scalable software products.

8 min Read
Microchip processing neural networks locally with light trails representing high speed.AI

Edge AI: Why the Future of LLMs is Not in the Cloud

Discover how On-Device ML and Edge Computing are revolutionizing privacy and latency in modern software development and AI architecture.

8 min Read
Payment flow diagram showing Pix, PSE, and Nequi integrations on a modern mobile interface.Business

LATAM Checkout Engineering: It’s Not Just Payment, It’s Conversion

Optimize your Latin American checkout by integrating Pix, Nequi, and PSE with headless architectures to maximize conversion and reduce cart abandonment.

10 min Read
Technical diagram showing multiple AI agents collaborating in a software development environmentAI

From Chatbots to Autonomous Teams: The Rise of AI Agentic Workflows

Explore how AI agentic workflows are replacing simple prompting. A technical guide on AutoGen, CrewAI, and enterprise orchestration strategies.

8 min Read
Complex user flow diagram simplified through information architecture techniquesDesign

UX Research in Enterprise SaaS: Simplifying Logistic Chaos

Discover how user research transforms dense interfaces into efficient tools for high-complexity B2B software and operational workflows.

8 min Read
Technical diagram showing a decoupled frontend connecting to multiple Latin American payment gateways.Development

Headless E-commerce in LATAM: Mastering Pix, PSE, and Nequi

Master Latin American checkouts by integrating Pix, PSE, and Nequi into scalable Headless architectures to eliminate technical friction and boost conversion.

8 min Read
Technical comparison of Flutter, React Native, and Native mobile architecturesDevelopment

Flutter, React Native, or Native: The Truth About Mobile Performance

In-depth analysis of when to choose native development, Flutter, or React Native for scalable apps. Real-world performance, costs, and distribution strategies.

9 min Read
Illustration of a digital workflow connecting different app icons fluidly and modernly.AI

Modern RPA: Why Your Company is Still Wasting Time on Manual Tasks

Discover how modern RPA and no-code are replacing rigid bots. A guide to optimizing internal workflows and scaling operations without friction.

8 min Read
Technical infographic comparing data flow between client and server in a web architectureBusiness

Server-Side GTM: The Real Strategy Behind High-Quality Data

Unlock accurate marketing attribution. Learn how Server-Side Tracking overcomes ad-blockers and privacy shifts. A technical guide for Growth Engineers.

8 min Read
A founder and an engineer discussing systems architecture in front of a whiteboard in a modern office.Business

How to Vet a CTO Without Knowing How to Code: A Founder's Guide

Master the art of hiring a CTO or tech partner. Learn evaluation strategies, red flags, and leadership metrics for startups without being a developer.

9 min Read
Comparative diagram between the concept of MVP and Riskiest Assumption Test in software developmentProduct

Why the MVP is Dead: Adopt the RAT for Serious Products

Discover why the Minimum Viable Product (MVP) is no longer enough in saturated markets and how the RAT approach reduces actual business risks.

8 min Read
Developer working in an optimized environment with multiple monitors and automation toolsCulture

Developer Experience (DevEx): Why Velocity is a Vanity Metric

Learn why prioritizing Developer Experience yields more ROI than counting story points. Strategies for building high-performance engineering cultures in 2024.

9 min Read
Night aerial view of Medellin's business district showing innovation centers and office lights.Business

Why Medellín is the Epicenter for Software Nearshoring in 2024

Discover why Medellín evolved from its past to become Latin America's Silicon Valley. A deep dive into talent, time zones, and culture for CTOs.

9 min Read
Illustration of UI components with accessibility tags and clear semantic structure.Design

Accessible Design Systems: Beyond Ethics, Pure Efficiency

Discover how integrating native accessibility into your design system reduces technical debt and accelerates software product development.

8 min Read
Illustration of a precision-tuned racing engine vs. a generic factory engineAI

The Generic LLM Fallacy: Why Your Company Will Fail with GPT-4

Discover why relying on generic language models is a strategic mistake and how specialized AI and RAG architectures are changing the enterprise game.

9 min Read
Cloud infrastructure financial metrics dashboard with Kubernetes and AWS logosCloud

FinOps in Kubernetes: Stop the Cloud Resource Bleeding

Master real FinOps strategies for Kubernetes. From Right-sizing to Spot Instances, learn to scale your infrastructure without breaking the bank.

8 min Read
Emerald neural network merged with source codeIA

AI in software development: how everything changes in 2026

Copilots, autonomous agents and code generation: what is already working in real teams, what is hype and how to leverage it without risking quality.

7 min Read
Technical team reviewing software proposals at a modern tableNegocio

How to choose a custom software development company

10 objective criteria to evaluate vendors, red flags to avoid and the questions that separate a great partner from one that will cost you dearly.

8 min Read
Visual comparison between a boxed off-the-shelf software and a custom dashboardNegocio

Custom software vs. off-the-shelf: which one suits you?

When a packaged SaaS is enough, when custom software pays for itself, and how to calculate the break-even point for your company.

6 min Read
Aerial view of Medellín with holographic code and Colombian peso symbolsColombia

How much does it cost to build a web application in Colombia?

Real 2026 market ranges, what each tier includes, why the cheapest price ends up being the most expensive, and how to estimate your project without surprises.

6 min Read
Team celebrating the launch of an MVP with a sprint boardDesarrollo

How to launch an MVP in 8 weeks without burning your budget

The framework we use to take an idea to a functional product in two months. Week by week: what gets done, what gets decided and what gets cut.

7 min Read
Futuristic web interface with an AI copilot and floating suggestionsIA

Web development with AI: the wave reshaping the sector

PWAs, conversational agents, real-time personalization: why AI web apps are replacing native mobile apps and what it means for your business.

6 min Read