refactor: update professional profile content, add project assets, an…

app/layout.tsx

@@ -16,8 +16,8 @@ const outfit = Outfit({
 });
 
 export const metadata: Metadata = {
-  title: "Andrés Sánchez - Senior iOS Engineer",
-  description: "Senior iOS Engineer with 8+ years delivering resilient mobile banking apps for millions of users across Latin America.",
+  title: "Andrés Sánchez - Senior Engineer",
+  description: "Senior Engineer with 8+ years delivering resilient mobile banking apps for millions of users across Latin America.",
 };
 
 export const viewport: Viewport = {
@@ -41,7 +41,7 @@ export default function RootLayout({
           <div className="absolute top-[-10%] left-[-10%] w-[50vw] h-[50vw] rounded-full bg-indigo-500/5 blur-[100px]" />
           <div className="absolute bottom-[-10%] right-[-10%] w-[50vw] h-[50vw] rounded-full bg-purple-900/5 blur-[100px]" />
         </div>
-<ThemeProvider attribute="class" defaultTheme="system" enableSystem>
+        <ThemeProvider attribute="class" defaultTheme="system" enableSystem>
           {children}
         </ThemeProvider>
       </body>

components/sections/hero.tsx

@@ -30,7 +30,7 @@ export async function Hero() {
                         <HeroImage />
                     </div>
 
-                    <div className="flex flex-wrap gap-3 mt-2 md:mt-4 items-center">
+                    <div className="grid grid-cols-2 md:flex gap-3 mt-2 md:mt-4 items-stretch text-sm w-fit mx-auto md:w-auto md:mx-0">
                         <TactileButton
                             href="#projects"
                             className="px-8 py-3 rounded-xl border-2 border-accent text-accent font-semibold hover:bg-accent hover:text-black transition-all duration-300"
@@ -43,6 +43,14 @@ export async function Hero() {
                         >
                             Contact Me
                         </TactileButton>
+                        <TactileButton
+                            href="https://github.com/AndSanG"
+                            target="_blank"
+                            rel="noopener noreferrer"
+                            className="px-8 py-3 rounded-xl border border-white/30 dark:border-white/10 bg-white/20 dark:bg-zinc-900/20 backdrop-blur-sm backdrop-saturate-150 text-zinc-600 dark:text-gray-400 font-semibold hover:bg-white/50 dark:hover:bg-zinc-900/40 hover:text-zinc-900 dark:hover:text-white transition-all duration-300"
+                        >
+                            GitHub
+                        </TactileButton>
                         <CvDialog />
                     </div>
                 </div>

components/ui/tactile-button.tsx

@@ -3,12 +3,14 @@ import { ReactNode } from "react"
 
 interface Props {
   href?: string
+  target?: string
+  rel?: string
   onClick?: () => void
   className?: string
   children: ReactNode
 }
 
-export function TactileButton({ href, onClick, className = "", children }: Props) {
+export function TactileButton({ href, target, rel, onClick, className = "", children }: Props) {
   const base = `relative overflow-hidden group flex items-center justify-center active:scale-95 transition-transform duration-100 ${className}`
   const shine = (
     <span
@@ -19,7 +21,7 @@ export function TactileButton({ href, onClick, className = "", children }: Props
 
   if (href !== undefined) {
     return (
-      <a href={href} className={base}>
+      <a href={href} target={target} rel={rel} className={base}>
         <span className="relative z-10 flex items-center gap-2">{children}</span>
         {shine}
       </a>

src/infrastructure/repositories/in-memory-about-repository.ts

@@ -6,15 +6,16 @@ export class InMemoryAboutRepository implements AboutRepository {
         return {
             name: "Andrés Sánchez",
             heroDescription: [
-                "Senior Mobile & Frontend Engineer with 8+ years of experience delivering secure, high-performance banking platforms for millions of users.",
-                "Specializing in iOS native architecture, React Native bridges, and React microfrontends.",
-                "Proven track record in FinTech security compliance, CI/CD automation, and high-volume mobile systems.",
+                "Senior Software Engineer with 8+ years of experience delivering secure, high-performance banking platforms for millions of users.",
+                "iOS-native at the core, with React Native bridging and React microfrontends on the hybrid side.",
+                "Deep background in FinTech security compliance, CI/CD automation, and high-volume mobile systems.",
                 "Endurance athlete and coffee enthusiast.",
                 "Structure creates freedom, details create intuition, discipline creates flow."
             ],
             bio: [
-                "Andrés has spent 8+ years building resilient mobile banking apps and frontend platforms for millions of users—maintaining high-stability operations under strict SLAs and high-volume production loads.",
-                "His work spans the full mobile and hybrid stack, with deep expertise in Swift/iOS native module development, React Native, and React microfrontends. He focuses on clean architecture, security compliance (PCI DSS, OWASP MASVS, ISO 27001), and end-to-end telemetry observability.",
+                "I've spent 8+ years building resilient mobile banking apps and frontend platforms for millions of users, maintaining high-stability operations under strict SLAs and high-volume production loads.",
+                "My work spans the full mobile and hybrid stack, with deep expertise in Swift/iOS native module development, React Native, and React microfrontends. I focus on clean architecture, security compliance (PCI DSS, OWASP MASVS, ISO 27001), and end-to-end telemetry observability.",
+                "I hold an MSc in Applied Computer Science from Vrije Universiteit Brussel (Distinction), with a thesis comparing statistical language models against cognitive architectures for AI explainability, and hands-on ML projects in PyTorch and scikit-learn.",
             ],
             stats: [
                 { label: "Years of Experience", value: "8+" },
@@ -23,7 +24,8 @@ export class InMemoryAboutRepository implements AboutRepository {
             ],
             skills: [
                 "Swift", "SwiftUI", "UIKit", "Combine",
-                "React 18", "TypeScript", "React Native", "Cordova",
+                "React 18", "TypeScript", "React Native",
+                "Python", "PyTorch", "Keras", "NumPy", "scikit-learn",
                 "Clean Architecture", "VIPER", "MVVM-C", "Server-Driven UI", "Microfrontends",
                 "Jest", "XCTest", "TDD",
                 "Fastlane", "CI/CD", "GitHub Actions",

src/infrastructure/repositories/in-memory-experience-repository.ts

@@ -9,7 +9,7 @@ export class InMemoryExperienceRepository implements ExperienceRepository {
                 year: "2023 - 2025",
                 title: "Senior Software Engineer (iOS · React / React Native)",
                 company: "iuvity (Todo1 Services Inc.)",
-                description: "Senior Software Engineer and platform technical reference for iuviBANKING—iuvity's white-label banking SaaS deployed across regional financial institutions. Served as the quality certification gatekeeper for production handovers. Architected the AppShell web-to-native bridge contract, engineered React microfrontends, and authored secure Swift/Objective-C native modules for the React Native container.",
+                description: "Senior Software Engineer and platform technical reference for iuviBANKING, iuvity's white-label banking SaaS deployed across regional financial institutions. Served as the quality certification gatekeeper for production handovers. Architected the AppShell web-to-native bridge contract, engineered React microfrontends, and authored secure Swift/Objective-C native modules for the React Native container.",
                 imagePath: '/iuvity.jpeg',
                 color: "text-green-600"
             },
@@ -18,16 +18,16 @@ export class InMemoryExperienceRepository implements ExperienceRepository {
                 year: "2020 - 2023",
                 title: "Senior iOS Engineer",
                 company: "iuvity (Todo1 Services Inc.)",
-                description: "Engineered high-availability mobile banking solutions for Bancolombia (10M+ users). Achieved 99.9% crash-free session rates while meeting strict 99.5% system availability SLAs. Modernized codebase architectures from legacy MVC to VIPER and MVVM-C, reducing coupling and enforcing an 80%+ unit testing standard. Delivered secure, regulatory-compliant mobile features (FaceID, Apple Pay, freeRASP).",
+                description: "Engineered high-availability mobile banking solutions for Bancolombia (10M+ users). Achieved 99.9% crash-free session rates while meeting strict 99.5% system availability SLAs. Modernized the codebase architecture from legacy MVC to VIPER and MVVM-C, reducing coupling and enforcing an 80%+ unit testing standard. Delivered secure, regulatory-compliant mobile features (FaceID, Apple Pay, freeRASP).",
                 imagePath: '/iuvity.jpeg',
                 color: "text-green-700 dark:text-green-500"
             },
             {
                 id: "2018",
                 year: "2018 - 2020",
                 title: "MSc Applied Computer Science",
-                company: "Vrije Universiteit Brussel — Brussels, Belgium",
-                description: "Government-funded scholarship. Graduated with Distinction. Thesis: Minimalistic AI Architectures for Language Models — developed a cognitive architecture for explainable AI bridging statistical language modeling and brain-inspired predictive processing.",
+                company: "Vrije Universiteit Brussel",
+                description: "Government-funded scholarship. Graduated with Distinction. Thesis: Minimalistic AI Architectures for Language Models. Developed a cognitive architecture for explainable AI that connects statistical language modeling with brain-inspired predictive processing.",
                 imagePath: '/vub.jpeg',
                 color: "text-sky-600"
             },
@@ -45,7 +45,7 @@ export class InMemoryExperienceRepository implements ExperienceRepository {
                 year: "2015 - 2017",
                 title: "iOS Developer",
                 company: "Bayteq Cia Ltda",
-                description: "Built the Supercines Cinema App from concept to App Store, implementing custom seat-selection UI SDKs and PCI DSS-compliant payment integrations. Engineered white-label mobile banking blueprints for Produbanco and integrated biometric identity verification (FacePhi) for Banco Bolivariano.",
+                description: "Built the Supercines Cinema App from concept to App Store, with custom seat-selection UI SDKs and PCI DSS-compliant payment integrations. Engineered white-label mobile banking blueprints for Produbanco and integrated biometric identity verification (FacePhi) for Banco Bolivariano.",
                 imagePath: '/bayteq.jpeg',
                 color: "text-sky-700 dark:text-sky-400"
             }

src/infrastructure/repositories/in-memory-project-repository.ts

@@ -6,7 +6,7 @@ export class InMemoryProjectRepository implements ProjectRepository {
         const iuvibanking: Project = {
             id: 'iuvibanking',
             title: 'iuviBANKING Platform',
-            role: 'Senior Software Engineer — Platform Ownership',
+            role: 'Senior Software Engineer, Platform Ownership',
             description: 'Technical reference and quality certification gatekeeper across React microfrontends, React Native shells, and iOS native modules, responsible for stable production handovers.',
             challenge: 'Establishing zero-defect handoff protocols across independent product and operations teams, and resolving critical cross-layer failures through technical influence rather than formal authority.',
             techStack: ['React', 'React Native', 'Swift', 'TypeScript', 'AWS', 'Modyo DXP', 'OIDC', 'Server-Driven UI'],
@@ -27,7 +27,7 @@ export class InMemoryProjectRepository implements ProjectRepository {
             id: 'supercines',
             title: 'Supercines iOS App',
             role: 'iOS Developer',
-            description: 'Cinema booking application featuring a custom seat-selection SDK, PCI DSS-compliant payment integrations, and offline persistence.',
+            description: 'Cinema booking app with a custom seat-selection SDK, PCI DSS-compliant payment integrations, and offline persistence.',
             challenge: 'Building a high-performance interactive seat selection UI SDK using UIKit with custom touch handling, and securing transactional pipelines under strict PCI compliance.',
             techStack: ['Swift', 'Objective-C', 'UIKit', 'Core Data', 'MapKit', 'PCI DSS'],
             imagePath: '/projects/supercines.webp',
@@ -46,13 +46,33 @@ export class InMemoryProjectRepository implements ProjectRepository {
         const msThesis: Project = {
             id: 'msc-thesis-ppm-idyot',
             title: 'PPM★ vs IDyOT: Statistical Language Modeling',
-            role: 'MSc Researcher — VUB AI Lab',
+            role: 'MSc Researcher, VUB AI Lab',
             description: 'MSc thesis at Vrije Universiteit Brussel comparing PPM★, a compression-based language model, against IDyOT, a cognitive architecture for hierarchical prediction. Implemented both algorithms in Python, validated against established benchmarks, and identified the optimal IDyOT configuration via KL divergence analysis.',
             challenge: 'PPM★ achieves high prediction accuracy as a descriptive black box but offers no cognitive explanation. The challenge was formally documenting IDyOT\'s within-layer interactions (implicit in prior literature), implementing a zero-probability smoothing fix, and connecting statistical accuracy to cognitive plausibility.',
             techStack: ['Python', 'PPM★', 'IDyOT', 'Word2Vec', 'Statistical NLP', 'Cognitive Architecture', 'Information Theory'],
             imagePath: '/projects/msc-thesis.webp',
         }
 
-        return [iuvibanking, bancolombia, personalSite, msThesis, supercines]
+        const bscThesis: Project = {
+            id: 'bsc-thesis-3d-printer',
+            title: '3D Print Server with Web UI',
+            role: 'BSc Researcher, Universidad Técnica de Ambato',
+            description: 'BSc research paper building a RepRap-based 3D printer with an embedded Raspberry Pi print server and OctoPrint web interface for real-time control and video monitoring over LAN.',
+            challenge: 'Replacing a full PC with a Raspberry Pi embedded inside the printer structure, integrating mjpg-streamer for live video streaming, and assembling a complete CAD-to-print pipeline using entirely open-source tools.',
+            techStack: ['Raspberry Pi', 'OctoPrint', 'Raspbian', 'mjpg-streamer', 'RepRap', 'Arduino', 'G-code', 'FreeCAD'],
+            imagePath: '/projects/bsc-thesis-3d-printer.webp',
+        }
+
+        const mlProjects: Project = {
+            id: 'msc-ml-projects',
+            title: 'AI/ML Projects at VUB',
+            role: 'MSc Student — AI Lab, Vrije Universiteit Brussel',
+            description: 'AI/ML projects at VUB: implemented ESPCN for image super-resolution in PyTorch (29.7 dB PSNR on BSD300), built logistic regression from scratch on three months of personal health data, and separately implemented kNN, CNNs, backpropagation from scratch, PCA, k-Means, DBSCAN, and collaborative filtering.',
+            challenge: 'Reproducing ESPCN results with 800 training images against a paper trained on 50,000: the 2-3 dB gap traces back to center-crop-only sampling and missing Gaussian pre-blur on LR inputs. For logistic regression, the meaningful feature was not raw calorie intake but daily excess over budget.',
+            techStack: ['Python', 'PyTorch', 'Keras', 'NumPy', 'scikit-learn'],
+            imagePath: '/projects/msc-ml-projects.webp',
+        }
+
+        return [iuvibanking, bancolombia, personalSite, msThesis, mlProjects, supercines, bscThesis]
     }
 }