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Cristian E. Caroli
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role ~ Software Engineer & Manager
loc ~ Barcelona, Spain
mail ~ hi@cristiancaroli.com
linkedin ~ linkedin.com/in/cristiancaroli
newsletter ~ Hammerspace · 2,000+ subscribers
cv ~ cristian_caroli_cv.pdf
digitalization / ai consulting ~ cristiancaroli.com/ai
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Engineering leader with 15+ years of experience delivering scalable systems, building high-performing teams, and driving product-led innovation.

Passionate about developer culture, platform strategy, and educational technology. Among others, I've spent time at Twitter, Chess.com, and ThoughtWorks.

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distributed-systems/ microservices/ event-driven-design/ high-availability/ observability/ cloud-architecture/ containerization/ infrastructure-automation/ deployment-pipelines/ team-scaling/ technical-strategy/ hiring-and-mentorship/ edtech/ gaming/ advertising-platforms/ logistics/
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## Director of Engineering @ ChessKid (Chess.com)
-- Mar 2025 - Present | Remote

Leading engineering at ChessKid, part of Chess.com, the world's number one kid-safe chess platform with over 13 million global users and more than 600K monthly actives.

- Hands-on with backend, mobile, and web systems while driving architecture, reliability, and product delivery.
- Partnering directly with the CTO and VPs, TLs and PMs across Chess.com to align technical execution, product strategy, and long-term platform growth.
- Driving the adoption of agentic coding practices across the team, integrating AI-assisted development into daily workflows.
- Focused on building high-performing teams and ensuring our little users have as much fun as possible without any downtime other than early bed times.
## Director of Engineering @ Stuart
-- Aug 2024 - Mar 2025 | Remote

Head of engineering for Delivery Network Optimization at a platform handling millions of deliveries per month across 100+ European cities.

- Led 8 teams comprising approximately 40 engineers and managers, working with analysts, data scientists, and product and program managers.
- Led teams building routing and optimization systems to meet customer service-level agreements (SLAs).
- Oversaw estimated delivery and preparation-time models, mapping infrastructure, and administration interfaces for clients and internal operations.
- Helped guide teams through acquisition-related restructuring as Stuart reduced its company-wide workforce to 30% of its previous size.
## Senior Engineering Manager @ Stuart
-- Feb 2023 - Aug 2024 | Remote

Led engineering teams in Supply & Demand, responsible for courier incentives and demand management within Stuart's delivery network.

- Aligned operational stakeholders and engineering teams on supply-and-demand performance and customer SLA requirements.
## Engineering Manager @ Twitter
-- Aug 2021 - Feb 2023 | Remote

- Led 2 small-business advertising teams comprising approximately 12 engineers, delivering Simple Ads and Quick Promote.
- Simple Ads reached 9,000+ advertising accounts and 12,000+ campaigns, acquiring 4,400+ first-time advertisers between July and November 2022.
- Simple Ads rollout results showed a 14% ad revenue uplift after 50% rollout.
- Led the iOS Boost launch for Quick Promote, with a reported 30–40% annual revenue uplift attributed to the iOS relaunch.
- Managed hiring, career development, and engineering delivery across both teams.
## Tech Lead @ ThoughtWorks
-- Apr 2019 - Jul 2021 | Barcelona, Spain

- Led consulting teams and technical delivery for clients including ImmoScout, AutoScout, and Zalando's warehouse operations.
- Facilitated React/TypeScript trainings and tech leadership workshops.
## Senior Consultant @ ThoughtWorks
-- Jan 2017 - Apr 2019 | Barcelona, Spain

- Delivered and maintained critical services.
- Built client relationships and aligned strategy.
- Contributed to internal and external events.
## Head of Product Design @ Chalk
-- Aug 2015 - Jan 2017 | Barcelona, Spain

- Co-founded Chalk, a fantasy sports site.
- Led product design and frontend development, brand identity, and UI.
## API Solutions Engineer @ 3scale
-- May 2015 - Aug 2015 | Barcelona, Spain

- Led API implementations for high-profile launches using the 3Scale API Gateway.
- Managed inductions of external teams into our architecture, code, support, and training for integrations.
## Game Developer @ Akamon Entertainment
-- May 2013 - May 2015 | Barcelona, Spain

- Built social games in mundijuegos.com where we had a daily revenue of ~$50k in a platform of +11M users.
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## Standing Desk
Control your IKEA IDÅSEN standing desk from your iPhone and save your preferred heights.
## Mana
Keep track of your AI subscription usage on your Mac and iPhone.
## lmao
Discover full stand-up comedy specials from around the world.
## Hammerspace
Creator and author of a Spanish-language newsletter with 2,000+ subscribers, covering curiosities, internet culture, and humor.
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- Freelance developer and Adobe Flash instructor in Venezuela, delivering advergames and branded web experiences for local and regional clients.
- Built interactive marketing tools and Flash-based games for educational and commercial campaigns before transitioning to full-time software development.
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## Master in Cinematographic Direction
-- ESCAC, 2012

## Computer Science
-- Universidad Simón Bolívar, 2009
-- Thesis: Adaptive game environments based on player behavior. Exceptionally Good Mention
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- Siggraph Volunteer
- GIA USB (AI Group)
- CEIC USB
- JOINCIC Founder (Head of Image)
- Global Game Jam 2011 — Game Designer
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- Gamexpo, Caracas 2009 — Chester: Adaptive Storytelling
- JOINCIC, Caracas 2009 — Intelligent Environments for Videogames
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## AI Enablement & Consulting
-- Available for sessions and projects

I help teams and small businesses find where AI saves them time, then set it up so it holds.

- Intro session: 2 hours, remote
- Optimization proposal for your business
- Project-based implementation

Details and booking: cristiancaroli.com/ai
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Weight Lifting Video Game Development AI Cinema Sriracha
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