About Javier
English
Fluent
Spanish
Native or bilingual
Experience
- NeokeTechnical Lead, Decentralized Identity ExpertTECHJanuary 2023 - Today (3 years and 5 months)Sevilla, Spain• Defined and executed technical strategies aligned with business objectives.• Led and mentored a technical team, achieving a 50% increase in operational efficiency.• Collaborated with stakeholders to prioritize key initiatives, improving productivity and retention by75%.• Managed projects integrating blockchain and AI solutions.
- MinsaitBlockchain Tech Lead / MinsaitCONSULTING AND AUDITSAugust 2021 - December 2022 (1 year and 4 months)Sevilla, Spain• Oversaw the design and development of an MVP for CBDC in collaboration with the Bank of Spain.• Coordinated multidisciplinary teams on Play-to-Earn (P2E) projects and decentralized identity solutions (ERC4337).• Implemented technical strategies that improved critical processes by 60%.
- Geo DataBlockSenior Backend Engineer Analytics and Web3July 2018 - August 2021 (3 years and 1 month)• Directed Big Data and Blockchain teams, optimizing data ingestion and processing pipelines.• Developed smart contracts and backend solutions that enhanced user experience by XX%.• Implemented scalability and performance improvements with measurable impact (XX%).
Reviews
Recommendations
Be the first to recommend Javier
Help this freelancer shine by sharing your experience working together.
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- Master en Ethereum, Tecnología Blockchain y CriptoeconomiaUniversidad de Alcalá de Henares2018
- Master en Visual Analytics y BigDataUniversidad Internacional de la Rioja2016
Certifications
- Certified Hyperledger Fabric AdministratorLinux Foundation