Freelancer profile translated to English.
Back to original languageAbout Javier
Full-Stack Engineer involved in solution development. With over 12 years of experience in Ibex35 companies and at national and international levels, covering a wide range of solutions, which has allowed me to gain technical versatility. Client-oriented and with a vocation for obtaining solutions that best adapt to technical requirements, I have managed multidisciplinary and multicultural teams.
My professional experience has focused on the design and development of solutions, as well as automation and implementation of processes in the areas of Data Analytics, Cloud Computing, and Blockchain.
I have also provided training at all levels with a high level of satisfaction and on-demand topics.
Do you have a project? Don't know where to start? Do you need a versatile professional who provides advanced solutions? Do not hesitate to contact me
English
Fluent
Spanish
Native or bilingual
Can work on-site
Sevilla (up to 50km), Madrid (up to 20km), Barcelona (up to 10km)
Experience
- NeokeTechnical Lead, Decentralized Identity ExpertTECHJanuary 2023 - Today (3 years and 6 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%).
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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