Xavier Mareca
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xavierdatatech.bsky.social
Xavier Mareca
@xavierdatatech.bsky.social
Modern Data & AI Enthusiast | Power BI
🌍 Remote Europe · Multilingual (EN/ES/FR/DE)
Pinned
🚀 Day 8 – Final of the LLM Observability Mini-Course
🔍 Prometheus + Grafana to monitor LLM apps
📊 Metrics: requests, errors, latency
🛠️ Dashboards + alerts
🧩 Integration via docker-compose and prometheus.yml

#LLM #Observability #MLOps #Grafana #Prometheus #AI #Python #LangChain #XavierDataLabs
Early start in Zurich — a reminder that great systems, like great stations, keep the world moving.
Let’s innovate. 🚆

#AI #Data #ModernDataPlatform #Analytics #Innovation #Technology #ConsultingLife #BuildInPublic
February 13, 2026 at 10:04 AM
Deepening my SQL skills today. Visuals + practice = clarity.

#SQL #DataEngineering #DataModeling
February 12, 2026 at 11:18 AM
Chinese surgical robots advancing 🤖🏥
Jingfeng Medical MP1000/SP1000:
• Minimally invasive surgery
• Precision: peels grape skin/eggshells
• Competing with da Vinci
Surgical robotics race accelerating
Sub-mm precision at scale 🎯
#MedicalRobotics #SurgicalTech #Robotics
February 11, 2026 at 8:11 AM
Reposted by Xavier Mareca
Mike Flanagan will write and direct a new film adaptation of Stephen King’s ‘The Mist’ for Warner Bros

It follows a group of people locked in a grocery store after a mysterious fog emerges that hides deadly creatures
February 10, 2026 at 7:11 PM
Leuven, Belgium: Autonomous buses now permanent transit 🚌🤖
Line 16: 4km autonomous route
✅ Testing complete
✅ Regular public service
European leader in AV transit deployment
From pilot to permanent: Self-driving public transit is real
#AutonomousVehicles #UrbanTech
February 9, 2026 at 10:51 PM
YouTube > Netflix in revenue 📊

YouTube: $60B+ (2025)
Netflix: $45.18B

Dual model (ads + Premium) beats subscription-only

Creator economy + global scale + hybrid monetization = winning strategy

Platform economics lesson 📺💰

#Tech #StreamingWars #Data
February 8, 2026 at 2:10 PM
History ahead for the Milano-Cortina Winter Olympics, the first hosted by two cities. But today’s reported Russian cyberattack is another reminder that cybersecurity is now central to safeguarding global events.
#MilanoCortina2026 #WinterOlympics #CyberSecurity #Tech #GlobalEvents
February 6, 2026 at 10:47 PM
Japanese engineering: Shinkansen doesn't stop, even in heavy snow 🚄❄️

N700 series bullet trains at 320 km/h with:
• Snow sensors
• Heated tracks
• Real-time monitoring
• Predictive maintenance

Perfect safety record since 1964.

#Engineering #Shinkansen #RailTech
February 6, 2026 at 8:21 PM
AI agents are shifting software from assistance to autonomy.
The real disruption isn’t chat — it’s execution.
Organizations that adapt first will redefine productivity.
We are closer to autonomous companies than we think.
#AI #AIAgents #FutureOfWork #Automation #Tech
February 6, 2026 at 6:03 AM
Volvo down 25%.
Not just an earnings story — a geopolitics story.
Tariffs, incentives, currencies and demand are rewriting the rules of the auto industry in real time.
Companies that model political risk will survive. Others will react too late.
#Markets #Volvo #Economy #Geopolitics
February 6, 2026 at 5:33 AM
“Unusual weather” is starting to look very usual.
Ireland’s persistent rainfall is another signal of increasing climate volatility.
The danger isn’t just extreme events — it’s their normalization.
The data has been warning us for years.
#ClimateChange #Ireland #ExtremeWeather
February 6, 2026 at 5:26 AM
CorPower Ocean Wave Energy 🌊⚡

Single C4 device: 300 kW
CorPack arrays: 10-20 MW (wave-farm scale)

Clean, renewable ocean energy. Zero pollution.

Untapped potential in every wave. The future of coastal energy?

#RenewableEnergy #CleanTech #OceanEnergy #Innovation
February 6, 2026 at 4:51 AM
Three Gorges Ship Lift - Engineering Marvel 🏗️

Hauls vessels of thousands of tonnes over a 110-meter height.

More than steel & hydraulics - it's a logistics game-changer for global shipping.

Engineering that literally moves the world 🚢⚙️

#Engineering #Infrastructure
February 6, 2026 at 4:42 AM
🤖 World's first autonomous delivery robot that rides the metro

Shenzhen, China:
• AI scheduling algorithms
• Panoramic LiDAR
• Autonomous route planning
• Delivers to 7-Eleven stores in metro stations

Urban automation at its finest 🚇

#AI #Robotics #Automation #UrbanTech
February 6, 2026 at 4:29 AM
Best AI tools for Data Engineers (2026) 🔧

Cursor Pro + Claude Code = $40/mo

Handles:
• Power BI (DAX/M)
• AWS pipelines
• LangChain
• Python ETL
• SQL optimization

Perfect combo for data work without breaking the bank.

#DataEngineering #AI #PowerBI #AWS #LangChain
February 5, 2026 at 9:34 PM
Grammy reality check 🎵

Queen, Jimi Hendrix, Bob Marley, The Who, The Doors, Beach Boys, ABBA — none won Grammys in their prime.

Yet they're undeniable legends who shaped music history.

Awards don't define greatness. The music that endures does.

#Grammys #MusicHistory #Music
February 2, 2026 at 2:37 PM
🌍 Top contributors to global GDP growth (2026):

🇨🇳 China — 26.6%
🇮🇳 India — 17.0%
🇺🇸 USA — 9.9%

China + India alone = 43.6% of global growth
Asia-Pacific = ~50% of total growth

The economic center continues shifting East.

Source: IMF

#Economics #GDP #Data
January 31, 2026 at 3:09 PM
Boötes Void - The largest void in the universe

A massive cosmic emptiness spanning ~330 million light-years. One of the most mysterious structures in the observable universe.

The great nothing that challenges our understanding of cosmic structure 🪐

#Space #Astronomy #BoötesVoid
January 31, 2026 at 1:34 PM
Remembering Catherine O'Hara ❤️

Moira Rose. Kate McCallister. Delia Deetz. Sally.

Schitt's Creek. Home Alone. Beetlejuice. Nightmare Before Christmas. SCTV. Best in Show. Waiting for Guffman.

She made every character unforgettable ❤️

#CatherineOHara #SchittsCreek #HomeAlone #Beetlejuice
January 30, 2026 at 8:24 PM
César 2026 Nominations are here! 🎬🇫🇷

Leading the pack:
🏆 NOUVELLE VAGUE - 10 nominations
🏆 L'ATTACHEMENT - 8
🏆 DOSSIER 137 - 8
🏆 L'INCONNU DE LA GRANDE ARCHE - 8

#César2026 #CinémaFrançais #FrenchCinema #Césars
January 28, 2026 at 12:47 PM
A logistics hub with robots, zero humans
China's Industry 4.0 push is transforming last-mile delivery. Autonomous robots now navigate city streets using AI and real-time mapping, delivering everything from food to medicine.

#Industry40 #Robotics #AI #Logistics #Automation
January 28, 2026 at 8:24 AM
AI is reshaping manufacturing, but people drive real change. Technology defines possibilities—humans determine outcomes.
The future is human-centered innovation.
#Manufacturing #Industry40 #AI #FutureOfWork #Davos2026 #Innovation
January 28, 2026 at 6:52 AM
The North Sea is getting a massive green energy upgrade
9 countries just announced offshore wind farms with 15 GW capacity (2031-2040) — turning it into the world's largest green energy reservoir
Europe's energy future is looking brighter ⚡
#RenewableEnergy #OffshoreWind #ClimateAction
January 27, 2026 at 9:56 AM
The factory floor is getting a major upgrade in 2026
AI and digital tools are delivering real results:
→ 8x better revenue shock resilience
→ Faster market response
→ 50% reduction in product rollout times
The future of manufacturing is here.
#Manufacturing #AI #Industry40 #Tech #Innovation
January 27, 2026 at 5:42 AM
We found love on the Hamnet set 💚🍀
Beautiful behind-the-scenes moment captured during filming. There's something magical about Shakespeare bringing people together - even centuries later. "We found love in a hopeless place" indeed!
#Hamnet #Shakespeare #BehindTheScenes #MovieMagic #SetRomance
January 27, 2026 at 4:18 AM