Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Hi there! I’m a full-stack engineer who turns complex ideas into revenue-ready products—fast. What I do • End-to-end Web & Mobile apps (React, Next.js, Node, Django, Flutter, React Native) • Generative AI & ML integrations (OpenAI, LangChain, TensorFlow, PyTorch) • Process automation & RPA (Python, Zapier, N8N, Selenium, custom bots) • Cloud-native architecture (AWS, GCP, Azure, Docker, Kubernetes) • API design & microservices, real-time data, serverless functions Why clients hire me • 4+ yrs shipping SaaS, e-commerce, fintech and IoT platforms • Delivered 45% average time-to-market reduction via CI/CD & agile sprints • Built AI workflows that cut operating costs up to 60% • Clear, proactive communication—daily updates & weekly demos • Pixel-perfect UI/UX that scales from MVP to millions of users Workflow 1. Free 30-min discovery call 2. Road-mapping & fixed quote or agile sprint plan 3. Iterative delivery with staging links, tests and documentation 4. Post-launch monitoring, analytics and enhancement Tech stack highlights React · Next.js · Vue · Node.js · Express · TypeScript · Python · Django · FastAPI · Flutter · React Native · GraphQL · PostgreSQL/MySQL/MongoDB · Redis · AWS/GCP/Azure · Docker/K8s · OpenAI GPT-4o · LangChain · Zapier/RPA Let’s build something game-changing—message me and get a prototype in days, not weeks.…Hi there! I’m a full-stack engineer who turns complex ideas into revenue-ready products—fast. What I do • End-to-end Web & Mobile apps (React, Next.js, Node, Django, Flutter, React Native) • Generative AI & ML integrations (OpenAI, LangChain, TensorFlow, PyTorch) • Process automation & RPA (Python, Zapier, N8N, Selenium, custom bots) • Cloud-native architecture (AWS, GCP, Azure, Docker, Kubernetes) • API design & microservices, real-time data, serverless functions Why clients hire me • 4+ yrs shipping SaaS, e-commerce, fintech and IoT platforms • Delivered 45% average time-to-market reduction via CI/CD & agile sprints • Built AI workflows that cut operating costs up to 60% • Clear, proactive communication—daily updates & weekly demos • Pixel-perfect UI/UX that scales from MVP to millions of users Workflow 1. Free 30-min discovery call 2. Road-mapping & fixed quote or agile sprint plan 3. Iterative delivery with staging links, tests and documentation 4. Post-launch monitoring, analytics and enhancement Tech stack highlights React · Next.js · Vue · Node.js · Express · TypeScript · Python · Django · FastAPI · Flutter · React Native · GraphQL · PostgreSQL/MySQL/MongoDB · Redis · AWS/GCP/Azure · Docker/K8s · OpenAI GPT-4o · LangChain · Zapier/RPA Let’s build something game-changing—message me and get a prototype in days, not weeks.

Antonio Jose Tortonda Borreda

Web Developer, Web Designer, App Designer, +4





Hi there! I’m a full-stack engineer who turns complex ideas into revenue-ready products—fast. What I do • End-to-end Web & Mobile apps (React, Next.js, Node, Django, Flutter, React Native) • Generative AI & ML integrations (OpenAI, LangChain, TensorFlow, PyTorch) • Process automation & RPA (Python, Zapier, N8N, Selenium, custom bots) • Cloud-native architecture (AWS, GCP, Azure, Docker, Kubernetes) • API design & microservices, real-time data, serverless functions Why clients hire me • 4+ yrs shipping SaaS, e-commerce, fintech and IoT platforms • Delivered 45% average time-to-market reduction via CI/CD & agile sprints • Built AI workflows that cut operating costs up to 60% • Clear, proactive communication—daily updates & weekly demos • Pixel-perfect UI/UX that scales from MVP to millions of users Workflow 1. Free 30-min discovery call 2. Road-mapping & fixed quote or agile sprint plan 3. Iterative delivery with staging links, tests and documentation 4. Post-launch monitoring, analytics and enhancement Tech stack highlights React · Next.js · Vue · Node.js · Express · TypeScript · Python · Django · FastAPI · Flutter · React Native · GraphQL · PostgreSQL/MySQL/MongoDB · Redis · AWS/GCP/Azure · Docker/K8s · OpenAI GPT-4o · LangChain · Zapier/RPA Let’s build something game-changing—message me and get a prototype in days, not weeks.…Hi there! I’m a full-stack engineer who turns complex ideas into revenue-ready products—fast. What I do • End-to-end Web & Mobile apps (React, Next.js, Node, Django, Flutter, React Native) • Generative AI & ML integrations (OpenAI, LangChain, TensorFlow, PyTorch) • Process automation & RPA (Python, Zapier, N8N, Selenium, custom bots) • Cloud-native architecture (AWS, GCP, Azure, Docker, Kubernetes) • API design & microservices, real-time data, serverless functions Why clients hire me • 4+ yrs shipping SaaS, e-commerce, fintech and IoT platforms • Delivered 45% average time-to-market reduction via CI/CD & agile sprints • Built AI workflows that cut operating costs up to 60% • Clear, proactive communication—daily updates & weekly demos • Pixel-perfect UI/UX that scales from MVP to millions of users Workflow 1. Free 30-min discovery call 2. Road-mapping & fixed quote or agile sprint plan 3. Iterative delivery with staging links, tests and documentation 4. Post-launch monitoring, analytics and enhancement Tech stack highlights React · Next.js · Vue · Node.js · Express · TypeScript · Python · Django · FastAPI · Flutter · React Native · GraphQL · PostgreSQL/MySQL/MongoDB · Redis · AWS/GCP/Azure · Docker/K8s · OpenAI GPT-4o · LangChain · Zapier/RPA Let’s build something game-changing—message me and get a prototype in days, not weeks.

Available to hire

Madrid, Spain

Hi there! I’m a full-stack engineer who turns complex ideas into revenue-ready products—fast.

What I do
• End-to-end Web & Mobile apps (React, Next.js, Node, Django, Flutter, React Native)
• Generative AI & ML integrations (OpenAI, LangChain, TensorFlow, PyTorch)
• Process automation & RPA (Python, Zapier, N8N, Selenium, custom bots)
• Cloud-native architecture (AWS, GCP, Azure, Docker, Kubernetes)
• API design & microservices, real-time data, serverless functions

Why clients hire me
• 4+ yrs shipping SaaS, e-commerce, fintech and IoT platforms
• Delivered 45% average time-to-market reduction via CI/CD & agile sprints
• Built AI workflows that cut operating costs up to 60%
• Clear, proactive communication—daily updates & weekly demos
• Pixel-perfect UI/UX that scales from MVP to millions of users

Workflow

Free 30-min discovery call
Road-mapping & fixed quote or agile sprint plan
Iterative delivery with staging links, tests and documentation
Post-launch monitoring, analytics and enhancement

Tech stack highlights
React · Next.js · Vue · Node.js · Express · TypeScript · Python · Django · FastAPI · Flutter · React Native · GraphQL · PostgreSQL/MySQL/MongoDB · Redis · AWS/GCP/Azure · Docker/K8s · OpenAI GPT-4o · LangChain · Zapier/RPA

Let’s build something game-changing—message me and get a prototype in days, not weeks.