Denis Fernandez
Founder at Fluctua Records
Madrid, Community of Madrid, Spain
Summary
🤩
Rockstar🎓
Top SchoolDenis Fernandez is a founder and seasoned software engineer based in Madrid with a decade of experience building full-stack and DevOps solutions, especially in blockchain infrastructure. He led DevOps at Gnosis and contributed substantive Solidity, Truffle/Web3, and front-end work to the widely used Gnosis MultiSigWallet, while also enhancing ConsenSys’s abi-decoder for Ethereum transaction parsing. Comfortable across back-end, smart contracts, and deployment automation, he combines hands-on coding with infrastructure leadership. Educated in Computer Software Engineering in Spain and Portugal, Denis blends academic grounding with practical open-source impact and entrepreneurial drive. An interesting detail: alongside running Fluctua Records, he maintains deep technical involvement in crypto tooling, signaling a mix of creative entrepreneurship and low-level blockchain expertise.
10 years of coding experience
6 years of employment as a software developer
Computer Science Software Engineering, Computer Science Software Engineering at University of LisbonGrado Ingeniería Informática Computer Software Engineering, Grado Ingeniería Informática Computer Software Engineering at Universidade da Coruña
Galician, Portuguese, English, Spanish, German
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (10)
truffle10
smart-contracts10
javascript10
solidity10
web3js10
ethereum10
api8
testing8
apidoc8
front-end-development8
Programming languages (13)
Github contributions (5)
Consensys/abi-decoder
Feb 2017 - Feb 2020
Nodejs and Javascript library for decoding data params and events from ethereum transactions
Role in this project:
Back-end Developer
Back-end DeveloperContributions:42 commits, 17 PRs, 38 pushes in 3 years
Contributions summary:Denis contributed to the development of the `abi-decoder` library, primarily focusing on its core functionality. They implemented features for decoding data parameters and logs from Ethereum transactions, including support for different data types and indexed parameters. The commits show a focus on parsing and interpreting Ethereum transaction data, likely for use in blockchain applications. They also added functionality to remove ABI, which means they are working on maintaining the tool's features.
eventsjavascript-librarydecodingdecoding-dataparams
gnosis/MultiSigWallet
Aug 2017 - Nov 2019
Allows multiple parties to agree on transactions before execution.
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:9 releases, 1 review, 137 commits in 2 years 3 months
Contributions summary:Denis's contributions primarily involve the development and maintenance of a multi-signature wallet, as evidenced by the code changes related to Solidity smart contracts and front-end configuration. They updated the Truffle and Web3 versions, modified the deployment scripts, and implemented tests for the wallet functionality. Their work also encompasses modifications to the front-end configuration, including the use of a custom Web3 version and adjustments to the settings.
partiesethereuminfuraagreetransactions
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