r4f4777

Junior Blockchain Engineer (Hyperledger Fabric / Golang / Java)

Junior Blockchain Engineer specialised in Hyperledger Fabric networks.

• Built a donation platform for my Bachelor thesis: Go chain-code, Java/Spring Boot API, Angular front-end, Dockerised and documented for one-click deployment → grade 8/10.
• 50 ECTS Erasmus exchange (Norway, 2024-25): Advanced Web Apps, Software Tech & Network Security — projects 100 % in English and Agile/Scrum.
• Comfortable with Golang, Java, Docker, Linux, Git; learning Solidity & smart-contract auditing (Secureum cohort 2025).

Looking for remote EU-timezone roles (Fabric integration, chain-code, or Web3 security). Target salary €40-60 k / $60 k. Eager to grow, ship production code and keep learning.

Portfolio & code → [github.com/r4f4777/BCDonaciones](https://github.com/r4f4777/BCDonaciones)

Experiece: 6 months

Yearly salary: $60,000

Hourly rate: $40

Nationality: 🇪🇸 Spain

Residency: 🇪🇸 Spain

Experience

Exchange Student – Software Engineering

Western Norway Univ. of Applied Sciences

2024 - 2025

- Completed 50 ECTS in Advanced Web Apps, Software Tech, DB & Network Security (grades B-C) - Team projects in English using Agile/Scrum

Blockchain Engineer - Hyperledger Fabric (BCDonaciones project)

Self-employed / Open-source

2024 - 2025

- Designed and built a full donation platform on Hyperledger Fabric. - Wrote Go chain-code and integrated it with a Spring Boot API. - Containerised the stack with Docker Compose and deployed a MariaDB. - Delivered Angular frontend and full deployment guide. - Grade 8/10, now extending project into production use cases.

Skills

angular

blockchain

blockchain-engineer

docker

git

golang

hyperledger-fabric

java

linux

english

spanish

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