# Cristiam Da Silva

Open Source Applied Engineer, Evaluations at Cognition; FrontierCode 2.0 pod lead; ex-Head of DevEx at GenLayer  
Cognition  
Barcelona, Barcelona, Spain

## At Cognition

- Role: Open Source Applied Engineer, Evaluations (Engineering)
- Joined: Mar 2026
- How they joined: Directly
- Before Cognition: Head of Developer Experience, GenLayer Labs

## Identity
- LinkedIn: https://www.linkedin.com/in/cristiam-da-silva
- X: @cristiam86
- GitHub: https://github.com/cristiam86
- Website: https://cristiamdasilva.com
- Domain: cognition.com

## Notes
- Named a pod lead (asterisked) in the acknowledgments of Cognition's FrontierCode 2.0 blog post (2026-10-27), alongside fellow pod leads Claudio Costa, Martin McKeaveney, Tomer Nosrati and Merlijn Vos. (https://cognition.com/blog/frontier-code-2.0)
- Current role is Open Source Applied Engineer, Evaluations at Cognition. (https://www.linkedin.com/in/cristiam-da-silva)
- Reposted Cognition's FrontierCode launch on X: "Introducing FrontierCode: a coding eval that raises the bar for difficulty & quality. Each task took 40+ hrs of work by lead..." - the eval line his Cognition "Evaluations" title sits in. (https://x.com/cristiam86/status/2064100402593738972)
- Current role is Open Source Applied Engineer, Evaluations at Cognition. (https://www.linkedin.com/in/cristiam-da-silva)
- FrontierCode 2.0 contributors listed with him include Daniel Fonseca, Fawzi Essam, Ibrahima Gaye Coulibaly, Juan Patricio Marroquin Gavelan, Kai (Tam Nhu) Tran, Manuel Kiessling, Mateusz Lopacinski and Thorbjorn Lindeijer, many of them open source maintainers. (https://cognition.com/blog/frontier-code-2.0)
- At WFIL Labs (Wrapped Filecoin), his co-founder was Nazzareno Massari, Co-founder, CEO, Engineer at WFIL Labs 2020-2022 and a Gitcoin APOLLO Fellow; Cristiam was Co-founder, CTO & Blockchain Engineer. (https://uk.linkedin.com/in/nazzareno-massari)
- His X following list includes the GenLayer founding team: Albert Castellana (@kstellana), Jose Maria Lago (@josemlago), Edgars Nemse (@EdgarsNemse, CEO GenLayer Foundation, co-founder) and Ivan Raskovsky (@raskovsky, co-founder & Chief Ecosystem Officer), plus GenLayer/Rally ecosystem staff. (https://x.com/cristiam86/following)
- Public headline says "Head of Developer Experience". (https://www.linkedin.com/in/cristiam-da-silva)
- Personal blog cristiamdasilva.com describes '16 years of learnings' and carries 30+ essays, from AWS AppSync/Lambda/Cognito serverless tutorials to management pieces such as 'A Decade at the Helm: Unpacking My Key Learnings as a CEO of a Software Development Agency'. (https://www.cristiamdasilva.com/)
- Public headline says "Head of Developer Experience". (https://www.linkedin.com/in/cristiam-da-silva)
- I'm a seasoned software engineer with a passion for business. My love for creating innovative digital products has taken me through several entrepreneurial experiences that combine many wins and learning curves. This combination of tech expertise and real-world business insights gives me a unique perspective when diving into challenges.

I have spent several years implementing the most complex serverless architectures in the Fintech industry. Combining event-driven backend microservices architec; this comes from the profile summary and preserves the person's own positioning. (https://www.linkedin.com/in/cristiam-da-silva)
- Most recent blog posts (May 2023) are management essays: 'Remote Work Didn't Break Your Team. You Just Haven't Met Them Yet.', 'The Helpful Employee Trap', 'Your First Impression Is Almost Always the Wrong Data' and 'Your Team Already Knows'. (https://cristiamdasilva.com/article/remote-work-didnt-break-your-team)
- Wrote 'How to set up a Filecoin Lotus node and connect remotely to it' for the Coinmonks publication on Medium (217 claps), published while he was building Wrapped Filecoin at WFIL Labs. (https://medium.com/coinmonks/how-to-set-up-a-filecoin-lotus-node-and-connect-remotely-to-it-208c2f810060)
- I'm a seasoned software engineer with a passion for business. My love for creating innovative digital products has taken me through several entrepreneurial experiences that combine many wins and learning curves. This combination of tech expertise and real-world business insights gives me a unique perspective when diving into challenges.

I have spent several years implementing the most complex serverless architectures in the Fintech industry. Combining event-driven backend microservices architec; this comes from the profile summary and preserves the person's own positioning. (https://www.linkedin.com/in/cristiam-da-silva)
- GitHub account cristiam86 lists company Yeager AI (the team behind GenLayer) and blog cristiamdasilva.com, and works mainly in JavaScript and TypeScript. (https://github.com/cristiam86)
- RootData lists him as Co-founder, CTO & Blockchain Engineer at Wrapped Filecoin (WFIL Labs). (https://www.rootdata.com/member/Cristiam%20Da%20Silva?k=OTc3Mw%3D%3D)
- GitHub account cristiam86 lists company Yeager AI (the team behind GenLayer) and blog cristiamdasilva.com, and works mainly in JavaScript and TypeScript. (https://github.com/cristiam86)
- Previous roles include Open Source Applied Engineer, Evaluations at Cognition; Head of Developer Experience at GenLayer Labs; Tech Lead Mentor at Assembler School of Software Engineering; VP of Engineering at Embed Protocol; Tech Lead at Kasta; CEO & Founder at Zizeron; Associate Professor at Universitat Autònoma de Barcelona; Co-Founder, CTO, Blockchain Engineer at WFIL Labs. (https://www.linkedin.com/in/cristiam-da-silva)
- Education history includes Ingeniero Superior, Informática, Universitat Politècnica de Catalunya; Ingeniero, Computación, Universidad Simón Bolívar. (https://www.linkedin.com/in/cristiam-da-silva)
- Posted on X: "I'm claiming my AI agent "WildMongrel1G" on @moltbook 🦞.

Verification: bubble-ECW9" (https://x.com/cristiam86/status/2018350515348721776)
- Reposted on LinkedIn a GenLayer post: "🧪 Testnet Bradbury is live.

Bradbury is GenLayer’s experimental ground for exploring how AI can participate directly in blockchain consensus.

It’s a place to test assumptions, iterate on new mechanis" (https://www.linkedin.com/posts/genlayer_announcing-testnet-bradbury-activity-7420049922227552256-FqaF?utm_source=social_share_send&utm_medium=member_desktop_web&rcm=ACoAAHCgdjsBigUWGPj6ceEPovgIxGM9_bYaVEQ)
- Reposted on LinkedIn a Rally post: "We are not here to improve influencer marketing.
We are here to replace it.

This is Rally 🤝" (https://www.linkedin.com/posts/rallyonchain_we-are-not-here-to-improve-influencer-marketing-ugcPost-7412796524600152064-06vE?utm_source=social_share_send&utm_medium=member_desktop_web&rcm=ACoAAHCgdjsBigUWGPj6ceEPovgIxGM9_bYaVEQ)
- Reposted on LinkedIn a Rally post: "Introducing Rally.

Rally is the first decentralized, AI-powered marketing protocol, built on GenLayer.

Influencer marketing is broken: bots, opaque deals, and vanity metrics dominate the system. Ral" (https://www.linkedin.com/posts/rallyonchain_rally-genlayer-web3-activity-7411772238686994432-pIxY?utm_source=social_share_send&utm_medium=member_desktop_web&rcm=ACoAAHCgdjsBigUWGPj6ceEPovgIxGM9_bYaVEQ)
- Posted on X: "I’ve been thinking about how @Safe could level up beyond multisig security.

Safe already protects billions in on-chain assets — but what if it could reason about unusual activity?" (https://x.com/cristiam86/status/1992954826284765260)
- Posted on X: "Hey @GergelyOrosz check out @GenLayer’s Builders Program,.

They’re rewarding early builders for shaping the world’s first Intelligent Blockchain.
You can earn points for deploying, documenting, or even building community tools.
Join through my link 👇
https://" (https://x.com/cristiam86/status/1975992284639301805)
- Posted on X: "Imagine a synchronized chaos: hundreds of us reply to the next @elonmusk meme tweet with “AI says it’s… 87% Rally Energy 🔥🤖”" (https://x.com/cristiam86/status/1975709473135337634)
- Posted on X: "Quick nudge for @zora: try a @RallyOnChain campaign. Rally = a public sticker chart—post missions, AI scores fairly, rewards pay on-chain fast. Fits Zora: rapid creator waves, fair > follower count, transparent attribution. Which mission first?" (https://x.com/cristiam86/status/1973715893625758120)
- Posted on X: "Rally explained with jam 🍓.
@RallyOnChain is a farmers’ market with a smart scale:
- It tares the jar (follower count) so only the jam (your content) counts.
- AI does the taste test.
- If it’s tasty, you’re rewarded instantly-whether your stand is tiny or huge." (https://x.com/cristiam86/status/1969882231754875154)
- Posted on X: "For anyone from 300 to 300k followers: @RallyOnChain gives you a fair shot. AI scores your post, rewards settle on-chain, and open campaigns mean you don’t need “connections.” If you could launch a Rally mission tomorrow, what would it be?" (https://x.com/cristiam86/status/1968961568109985855)
- Posted on X: "As a small creator, I used to think only whales got paid. With @RallyOnChain, quality beats clout: AI judges your post and rewards hit your wallet fast (transparent + onchain). You, me, big or small—we can earn by joining campaigns. What’s the first Rally miss" (https://x.com/cristiam86/status/1968294095467757741)
- Assembler Institute of Technology's LinkedIn showed him as a #developer with 15 years of experience, mentoring final student projects at Assembler School, where he was Tech Lead Mentor from 2021 to 2024. (https://es.linkedin.com/posts/assembler-institute-technology_react-developer-coding-activity-6796011772127047680-zriX)
- Previous roles include Open Source Applied Engineer, Evaluations at Cognition; Head of Developer Experience at GenLayer Labs; Tech Lead Mentor at Assembler School of Software Engineering; VP of Engineering at Embed Protocol; Tech Lead at Kasta; CEO & Founder at Zizeron; Associate Professor at Universitat Autònoma de Barcelona; Co-Founder, CTO, Blockchain Engineer at WFIL Labs. (https://www.linkedin.com/in/cristiam-da-silva)
- Education history includes Ingeniero Superior, Informática, Universitat Politècnica de Catalunya; Ingeniero, Computación, Universidad Simón Bolívar. (https://www.linkedin.com/in/cristiam-da-silva)
- Medium profile describes him as 'Fullstack software engineer, founder of iamtech.tech. Passionate about serverless technology'. (https://medium.com/@cristiam86)
- F6S lists him among the founders and employees of Wrapped Filecoin (WFIL), describing him as a Barcelona-based 'Computer Scientist passionate fo[r]...'. (https://www.f6s.com/company/wrappedfilecoinwfil)
- Reposted on LinkedIn a Cristian Caroli post: "Hey folks. I wish this were just another obnoxious, petulant LinkedIn post where I tell you you're wrong and I'm very smart, but you've probably already heard about the recent tragedy in Venezuela and" (https://www.linkedin.com/posts/cristiancaroli_donate-to-legitimate-organizations-activity-7476673952522678272-Idlh?utm_source=social_share_send&utm_medium=member_desktop_web&rcm=ACoAAHCgdjsBigUWGPj6ceEPovgIxGM9_bYaVEQ)
- Location is Greater Barcelona Metropolitan Area. (https://www.linkedin.com/in/cristiam-da-silva)
- Location is Greater Barcelona Metropolitan Area. (https://www.linkedin.com/in/cristiam-da-silva)

## Experience
- Open Source Applied Engineer, Evaluations at Cognition (Mar 2026 - Present): Working in the bigger evaluations initiative at Cognition.
Evaluations are the fuel that powers core research in post-training to improve AI models used in Devin and Windsurf.
- Head of Developer Experience at GenLayer Labs (Apr 2024 - Mar 2026): Building GenLayer, a decentralized digital court designed to autonomously resolve disputes and enforce contracts using advanced AI-driven consensus. Our protocol uniquely integrates diverse AI models across nodes, ensuring accurate and scalable subjective decision-making through majority voting and escalating appeals.

At GenLayer, we're pioneering the next evolution of smart contracts - Intelligent Contracts - capable of interpreting natural language, integrating real-time data, and autonomously managing complex agreements without human intervention.

Our mission is to provide an unbiased, reliable, and efficient adjudication layer critical for digital commerce, enabling trustless interactions at scale in an increasingly AI-driven global economy
- Tech Lead Mentor at Assembler School of Software Engineering (Feb 2021 - May 2024): - Mentored students in MongoDB, NodeJS, Express, and React.

- Acted as a lecturer and code reviewer, fostering a robust learning environment.
- VP of Engineering at Embed Protocol (Nov 2023 - Apr 2024): Crafting and implementing the technical strategy, personally driving the development of groundbreaking digital blockchain and marketing tools. A key role in assembling and nurturing a top-tier engineering team committed to excellence in software innovation.

Balancing deep technical expertise with strategic insight, ensuring that product development aligns with ambitious business goals. Dedicated to steering the company through the intricate landscape of the blockchain industry, managing stakeholder expectations, and laying the groundwork for our success.
- Tech Lead at Kasta (Jul 2021 - Nov 2023): - Designed and developed the blockchain infrastructure and backend serverless architecture.

- Led and mentored a team of 15 developers to maximize their engagement with the project and the company.

- Designed and developed multiple features and solutions for secure digital asset transactions and governance.

- Implemented and managed continuous improvements for automatic production releases.

- Responsible for developers' experience tracking and improvement across the company.
- CEO & Founder at Zizeron (Jun 2016 - Nov 2023): - Designed, planned, and managed new tech business models from concepts to production

- Mapped ideas and strategies into digital products that add value and change lives.

- Developed and implemented blockchain solutions for secure digital asset management.

- Mentored and assisted the development team to ensure their professional and personal growth.
- Associate Professor at Universitat Autònoma de Barcelona (Jan 2020 - Sep 2021): - Taught Non-relational databases in the faculty of engineering.

- Assisted students in understanding and applying complex concepts.
- Co-Founder, CTO, Blockchain Engineer at WFIL Labs (Jun 2020 - Feb 2021): - Led the development of complex blockchain interoperability infrastructure between Filecoin and Ethereum.

- Developed solutions for secure digital asset transactions and governance.
- Parttime Front-end Professor at Skylab Coders Academy (May 2018 - Feb 2021): Teaching world class JavaScript to incredible self-demanding professionals.
- Blockchain Mentor at ConsenSys Academy (Oct 2019 - Oct 2020): The best way to improve your knowledge on something is to teach it!  I'm very proud to be elected as a Mentor for the next cohort of ConsensysAcademy Blockchain Development Bootcamp. 

I'm very exited for this new challenge and can't wait to contribute with all my previous experience linking the web3 ecosystem to frontend applications.

- Mentored the next cohort of ConsensysAcademy Blockchain Development Bootcamp.

- Improved knowledge by teaching and linking the web3 ecosystem to frontend applications.
- CTO at HashMarket (Jun 2018 - Jun 2020): Technical design, Chief developer and lead blockchain researcher
- CTO at Filmarket Hub (Dec 2014 - Feb 2020): Tech architect and product evolution design
- CTO at Elkanodata (May 2013 - Jan 2017): Tech director and developer of new products
- Java sr developer. at SDP Ibérica (Oct 2012 - May 2013): Development of high quality AJAX-based J2EE applications.
- Desarrollador y administrador de proyectos at Plataforma Eleven (Aug 2008 - Oct 2012): Instalación y mantenimiento de redes y sistemas.
Soporte técnico de usuarios.
Análisis, diseño, coordinación, desarrollo y despliegue de sistemas web en PHP y J2EE.
Administración de bases de datos Oracle y MySQL.
Desarrollo de aplicaciones Java y iOS.
- Administrador de sistemas y jefe de edición de micros audiovisuales at Decanato de Estudios Generales USB (Apr 2005 - Jul 2008): Durante un poco más de 1 año me desenvolví como administrador de sistemas. Posteriormente pasé a dirigir un equipo de edición y montaje de micros audiovisuales conformado por 5 personas. 
El material se encuentra en: http://www.generales.usb.ve/catalogo_cursos.html

## Education
- Universitat Politècnica de Catalunya - Ingeniero Superior, Informática - (Jan 2008 - Dec 2009): Año académico de intercambio universitario
- Universidad Simón Bolívar - Ingeniero, Computación - (Jan 2004 - Dec 2009): Grupo de Redes Inalámbricas de Sensores

## Sources
- https://www.linkedin.com/in/cristiam-da-silva
- https://cognition.com/blog/frontier-code-2.0
- https://x.com/danrobinson
- https://www.cristiamdasilva.com/
- https://x.com/cristiam86
- https://medium.com/@cristiam86
- https://uk.linkedin.com/in/nazzareno-massari
- https://www.f6s.com/company/wrappedfilecoinwfil
- https://es.linkedin.com/posts/assembler-institute-technology_react-developer-coding-activity-6796011772127047680-zriX
- https://www.linkedin.com/in/cristiancaroli?miniProfileUrn=urn%3Ali%3Afsd_profile%3AACoAAAXF1IsBTZDOMV4aDPAQQwPcaFH2xPIGgPM
- https://github.com/cristiam86
- https://www.linkedin.com/company/rallyonchain/posts
- https://www.linkedin.com/company/genlayer/posts
- https://cristiamdasilva.com/about-me
- https://es.linkedin.com/in/cristiam-da-silva
- https://x.com/cristiam86/status/2064100402593738972
- https://x.com/cristiam86/following
- https://cristiamdasilva.com/article/remote-work-didnt-break-your-team
- https://medium.com/coinmonks/how-to-set-up-a-filecoin-lotus-node-and-connect-remotely-to-it-208c2f810060
- https://www.youtube.com/channel/UCJ8Px2hQW6RH4wHKUU1Khqw
- https://www.rootdata.com/member/Cristiam%20Da%20Silva?k=OTc3Mw%3D%3D
- https://x.com/cristiam86/status/2018350515348721776
- https://www.linkedin.com/posts/genlayer_announcing-testnet-bradbury-activity-7420049922227552256-FqaF?utm_source=social_share_send&utm_medium=member_desktop_web&rcm=ACoAAHCgdjsBigUWGPj6ceEPovgIxGM9_bYaVEQ
- https://www.linkedin.com/posts/rallyonchain_we-are-not-here-to-improve-influencer-marketing-ugcPost-7412796524600152064-06vE?utm_source=social_share_send&utm_medium=member_desktop_web&rcm=ACoAAHCgdjsBigUWGPj6ceEPovgIxGM9_bYaVEQ
- https://www.linkedin.com/posts/rallyonchain_rally-genlayer-web3-activity-7411772238686994432-pIxY?utm_source=social_share_send&utm_medium=member_desktop_web&rcm=ACoAAHCgdjsBigUWGPj6ceEPovgIxGM9_bYaVEQ
- https://x.com/cristiam86/status/1992954826284765260
- https://x.com/cristiam86/status/1975992284639301805
- https://x.com/cristiam86/status/1975709473135337634
- https://x.com/cristiam86/status/1973715893625758120
- https://x.com/cristiam86/status/1969882231754875154
- https://x.com/cristiam86/status/1968961568109985855
- https://x.com/cristiam86/status/1968961462279237671
- https://x.com/cristiam86/status/1968294095467757741
- https://www.linkedin.com/posts/cristiancaroli_donate-to-legitimate-organizations-activity-7476673952522678272-Idlh?utm_source=social_share_send&utm_medium=member_desktop_web&rcm=ACoAAHCgdjsBigUWGPj6ceEPovgIxGM9_bYaVEQ


Researched with Autumn (https://www.autumn.ai) from public sources. Updated 2026-11-04. Profile: https://www.autumn.ai/resources/cognition/people/cristiam-da-silva · Everyone at Cognition: https://www.autumn.ai/resources/cognition/people