AeroLeads people directory · profile
Cristian . Email & Phone Number
Chief Technology Officer
at
Optima Financial
1 work email found
@optima.financial
LinkedIn matched
✓ Verified July 2026
4 data sources
Profile completeness 86%
Current company
Role
Chief Technology Officer
Location
Spain
Company size
Who is Cristian .? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Cristian . is listed as Chief Technology Officer at Optima Financial, a with 5 employees, based in Spain. AeroLeads shows a work email signal at optima.financial and a matched LinkedIn profile for Cristian ..
Cristian . previously worked as Chief Technology Officer - CTO at 3A Dao and Smart Contract & Back-End Software Engineer at 3A Dao. Cristian . holds Master In Blockchain And Crypto from Nuclio Digital School.
Company email context
Email format at Optima Financial
This section adds company-level context without repeating Cristian .'s masked contact details.
{first}@optima.financial
89% confidence
AeroLeads found 1 current-domain work email signal for Cristian .. Compare company email patterns before reaching out.
Profile bio
About Cristian .
🏗️ Building the future of DeFi, one block at a time. Because who needs traditional banks when you have blockchain? ► Hard Skills: Smart Contracts | Solidity | Wallet Integration | ERC4337 (Account Abstraction) | ERC20 | ERC721 | Hardhat | NodeJS | BunJS | JavaScript | TypeScript | REST APIs | Data Bases SQL & No-SQL | EVM chains | Docker | DevOps | DeFi | Lending & Borrowing► Soft Skills: Adaptability | Collaboration | Attention to Detail | Analytical Thinking | Continuous Learning | Ability to work in a team or individually as and when required | Comfortable working in a fast-paced environment | Excellent verbal and written communication skills | Management & Leadership ► Methodologies: Agile Software Development (Scrum, Kanban)► Tools: VS Code | Git | GitLab | Jira | Confluence | Trello | Linear 🏆 Winner of 1st place in "Hacking the City", an economic, social, and cultural hackathon in Barcelona, created by eXplorins. "Hidden Art."
Current workplace
Cristian .'s current company
Company context helps verify the profile and gives searchers a useful next step.
Optima Financial
14 roles
Cristian . work experience
A career timeline built from the work history available for this profile.
Chief Technology Officer - Cto
Current
May 2024 - Present
Smart Contract & Back-End Software Engineer
🟠 EURO3 - Zero Interest Rate Lending Protocol for crypto and on-chain RWA safeguarded by enterprise-grade security 📌 Live on Polygon & Linea.
Dec 2023 - May 2024
Blockchain & Back-End Software Engineer
As a Blockchain & Back-End Engineer, I specialize in cutting-edge blockchain technologies and smart contract development. My responsibilities include:🌐 Leading the development of secure Smart contracts in Solidity for diverse applications such as Marketplaces, NFTs (ERC721 & 1155), Oracle price providers, Proxy data contracts, and DeFi solutions.💼 Seamless wallet integration, with a focus on MPC & Smart Wallets (ERC-4337) to enhance user experience.💰 Implementing Account Abstraction, enabling users to pay Gas Fees using our Utility Token (ERC-4337).🤝 Collaborating with front-end developers to integrate user-facing elements with server-side logic and smart contracts into web apps and developing on the backend side (Node.js).💻 Expertise in developing REST APIs and working with both SQL & No-SQL databases for robust back-end solutions.🎁 Crafting Token Airdrop scripts tailored for private investors (GFAL ERC-20).✅ Ensuring that all code adheres to the latest coding practices and industry standards.🧪 Writing comprehensive unit, static, and integration tests, along with developing automation tools using tools like Hardhat, Slither, Mocha, Ganache, and Solidity coverage.🤝 Collaborating effectively to challenge ideas and opinions, avoiding pitfalls and optimizing solutions.🛠️ Integrating third-party SDKs seamlessly into blockchain applications.🏢 Designing and implementing microservices for gaming, financial systems, and payment networks.🔒 Implementing robust security and data protection systems for enhanced safety.🚀 Building applications according to design specifications while providing valuable feedback to designers and suggesting trade-offs when necessary.✍ Writing technical documentation.
Apr 2023 - Dec 2023
Blockchain Developer
Create and implement decentralized systems using blockchain technology. This includes designing, developing and testing Smart Contracts. Also, bring the idea to life, and contributed valuable insights on building a thriving community within the web3 space for the company.
Dec 2022 - Apr 2023
Blockchain Developer
🕹️ At Your Life Game, I held a pivotal role in spearheading the development of a play-to-earn and Marketplace protocol built on blockchain technology.Key Responsibilities:📝 Developed and deployed smart contracts, leveraging the latest tools and technologies.🚀 Ensured the protocol's scalability, security, and user-friendliness.💼 Developed and meticulously maintained smart contracts for the NFT marketplace.🎮 Crafted the game logic within smart contracts, enhancing user experiences.🔐 Optimized and managed ERC1155 and ERC721 contracts for seamless functionality.🔄 Engineered a Proxy contract to centralize shared data across the protocol, ensuring scalability and operational efficiency.🤝 Collaborated closely with product and design teams to conceive and implement scalable and secure blockchain solutions.🧪 Conducted thorough testing and validation of smart contracts using Hardhat, Solhint, Solidity-coverage, and Slither, ensuring robustness and reliability.🔍 Conducted extensive research and experimentation with emerging blockchain technologies and tools to stay at the forefront of industry advancements.✅ Maintained a commitment to writing clean, maintainable, and well-documented code, fostering efficient development and collaboration.👁️🗨️ Actively participated in code reviews and testing processes, upholding the highest standards of software quality.
Jun 2022 - Dec 2022
Sales Team Leader
Successfully manage, review, allocate, analyze, forecast and improve the Team Pipelines. Bring new ideas and strategies for all the different markets to improve the International Sales and the Customer Experience. Leading an international team and always reaching the KPIs.
Feb 2020 - Oct 2022
Sales Representative
Oct 2019 - Feb 2020
Mixologist
Summer season and first job when I landed in Barcelona. Following high level standards and providing a profesional service to our customers.
Apr 2019 - Oct 2019
Head Waiter
Sep 2018 - Feb 2019
Bartender
Sep 2017 - Aug 2018
Waiter
Jan 2017 - Aug 2017
May 2016 - Sep 2016
Warehouse Manager
Nov 2014 - Dec 2015
5 education records
Cristian . education
Master In Blockchain And Crypto
Bootcamp, Solidity Foundation
Upper-Intermediate English, Esol Upper-Intermediate
Professional Course, International Bartender, 94%
Professional Education, Physical Outdoor And Envirommental Education (Tcaf)
FAQ
Frequently asked questions about Cristian .
Quick answers generated from the profile data available on this page.
What company does Cristian . work for?
Cristian . works for Optima Financial.
What is Cristian .'s role at Optima Financial?
Cristian . is listed as Chief Technology Officer at Optima Financial.
What is Cristian .'s email address?
AeroLeads has found 1 work email signal at @optima.financial for Cristian . at Optima Financial.
Where is Cristian . based?
Cristian . is based in Spain while working with Optima Financial.
What companies has Cristian . worked for?
Cristian . has worked for Optima Financial, 3A Dao, Games For A Living (Gfal), Explorins, and Bitrezus P.C..
How can I contact Cristian .?
You can use AeroLeads to view verified contact signals for Cristian . at Optima Financial, including work email, phone, and LinkedIn data when available.
What schools did Cristian . attend?
Cristian . holds Master In Blockchain And Crypto from Nuclio Digital School.
Find 750M verified contacts
Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.
Start free trialPeople with similar names
Check these profiles if this is not the Cristian . you were looking for.
View similar profiles
