Germán – React, Next.js, Typescript
Germán is a Senior engineer with 8 years of experience in blockchain, specializing in Ethereum-focused SDKs, smart contract integrations, and full-stack development with React, TypeScript, and Node.js.
He has a background as a Founding engineer, having mentored engineers, participated in technical hiring, and spoken at workshops and conferences. He demonstrates strong system design, database migration, and problem-solving skills, with a focus on building dApp infrastructure and client-side blockchain integrations.
10 years of commercial experience in
Main technologies
Additional skills
Direct hire
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Let’s get started today!Experience Highlights
Founder
It's a data analytics web platform and Ethereum network indexer, providing on-chain interaction metrics for smart contracts and protocols, as well as competitor behavior, to generate insights into usage patterns, loyalty, and retention.
- Architected a full-stack Ethereum analytics platform with custom indexing pipelines and data models in ClickHouse/PostgreSQL.
- Built the back-end API and interactive dashboard for seamless on-chain data visualization.
- Created on-chain metrics to support competitor benchmarking, smart contract analysis, and user retention insights.
- Deployed production infrastructure on Hetzner using Docker containers and GitHub Actions CI/CD.
Senior Software Engineer
It's a multisig security platform for on-chain assets in the Ethereum ecosystem, with $50B+ in total value locked and $1T+ in total volume processed.
– Designed and launched the Safe{Core} Account Abstraction SDK supporting 100+ EVM chains and multiple partners. – Integrated the Safenet transaction processor network into the Safe{Wallet} web app.
- Served as technical lead for the Safe Grants Program committee. Performed initial due diligence and provided ongoing technical oversight via milestone reviews and consultations to ensure project delivery. – Supported external companies building on the Safe ecosystem. – Sponsored global in-person and online hackathons, led workshops on Account Abstraction, and produced technical documentation, tutorials, and demo applications while coordinating with SDK and API teams.
- Mentored team members on technology stack and business logic.
- Contributed to hiring and candidate selection processes.
Senior Software Engineer
It's a Blockchain infrastructure provider focused on creating tools to help expand the utility of the Ethereum ecosystem, having incubated companies such as Safe and CoW Protocol.
- Designed, architected, and implemented the Safe browser extension, integrating an EVM-compatible smart contract wallet into browsers.
- Built the Contract Proxy Kit and Safe{Core} Account Abstraction SDK.
- Contributed to the Safe{Wallet} web application implementation.
- Participated in hiring and candidate selection processes.
Software Engineer
Development and manufacture of electronic equipment adapted to the marine environment and focused on smart oceans and sustainable fishing.
- Maintained and expanded the in-house airtime billing system and daily reporting for customers and the tuna fishing fleet.
- Designed and migrated the airtime billing system to a desktop application.
Academic Intern
Development of advanced genomic software and diagnostic solutions with a leading focus on inherited cardiovascular diseases and personalized medicine.
- Completed Master's final project: automatic generator for estimating survival curves in patients with inherited cardiovascular diseases.
- Collaborated on the design and implementation of genetic analysis software for studying inherited cardiovascular diseases.