Firstly Academy
LiveFCE speaking prep with AI scoring, progress tracking, and voice feedback.
Barcelona-based developer · teacher turned product builder
Full stack developer building language learning apps and websites.
Full stack developer with extensive teaching experience, specialising in building language learning apps and websites.
About
From teaching to building.
Full stack developer with extensive ESL teaching experience. I build the language learning tools I wish I'd had in the classroom.
I use AI to accelerate development, which lets me ship apps fast and focus on making things that actually help students learn. Two apps are live in production right now, with more on the way.
Current focus
Scaling Firstly Academy while launching Teacher's Scribe, with the wider ecosystem vision of apps that share enough context that students feel like "the apps know them".
- Interactive EdTech apps and websites, from free practice tools to AI tutoring systems.
- Shared database architecture so mistakes in one app can personalise practice in another.
- Systems built with classroom experience, not just generic SaaS logic.
Ecosystem
A multi-app English learning platform.
Six interconnected applications sharing one database, enabling cross-app intelligence and personalised learning experiences.
Shared core
Shared database, shared identity, shared learning signal.
The ecosystem vision is simple: students feel like the apps know them, because progress and mistakes in one product can inform practice in the others.
english-exercises.org
LiveFree grammar practice with search-led growth, templates, and zero-login access.
Teacher's Scribe
EmbeddedA Firstly Academy workflow for transcription, review, and ready-to-send post-lesson follow-up.
WhatsEnglish
In progressVoice-first English tutoring through WhatsApp for low-friction daily practice.
AI Voice Tutor
EmbeddedConversation practice that uses class transcripts and cross-app student history.
MemEnglish
PlannedFast mobile drills designed as an acquisition funnel into the broader product stack.
Selected Work
ESL ecosystem applications.
Each application serves a unique learning need while contributing to the interconnected ecosystem.
Production
english-exercises.org
A high-volume grammar practice site with 2,700+ exercises, fast publishing workflows, and strong SEO momentum.
- Next.js 15
- TypeScript
- SSR / SSG
- Template system
Production
Firstly Academy
Speaking exam prep shaped by teaching reality: instant assessment, model answers, and personalised practice loops.
- React
- Node.js
- PostgreSQL
- Deepgram
- Groq
Embedded feature
Teacher's Scribe
A Firstly Academy workflow that turns lesson recordings into reviewed grammar notes, extracted mistakes, and ready-to-send follow-up emails.
- Node.js
- WhisperX
- WebSockets
- PostgreSQL
In development
WhatsEnglish
A familiar messaging surface for voice-based tutoring, corrections, and habit-friendly English practice.
- WhatsApp API
- Node.js
- Deepgram
- Groq
- PostgreSQL
How I Work
What I build with and how I build it.
01
Architecture before UI theatre
I start with the learning loop, the data model, and the system boundaries. The interface follows the product logic, not the other way round.
02
Agentic build speed with human direction
I use Claude Code heavily, but as leverage. I set the product direction, define the standards, review the output, and keep quality control tight.
03
Production pressure over prototype polish
Railway, Vercel, Cloudflare, Neon, Clerk, real users, and real failures. I optimise for software that survives contact with actual learners.
Contact
If you need EdTech that behaves like a real product, we should talk.
I’m open to product roles, contract work, and collaborations where teaching insight and technical execution both matter.