JAVA Software Engineer Expert (Blockchain)

REKLUT

📍 Spain, Spain, Spain 💼 Full-time 🕒 Posted February 18, 2026

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Job Description

Location: Remote
Work Modality: 100% Remote (Europe & Latin America)
About the Opportunity
At 5411 Hub, a headhunting firm specialized in senior and expert-level technology roles across LATAM, the U.S., and Europe, we are partnering with a leading global company in blockchain infrastructure and decentralized technologies to recruit a Software Engineer Expert.
This is a core engineering role, focused on the evolution of a blockchain client (node/client software) that supports EVM compatibility, consensus improvements, and secure, high-performance protocol features.
The Role (explained clearly)
This is not a typical Web3 application or dApp development role.
It is a deep engineering position, centered on:
Core blockchain client development
EVM compatibility at the protocol level
Consensus, execution, and performance improvement...
            

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Job Details

Location Spain, Spain
Job Type Full-time
Category Computer Occupations
Posted Date February 18, 2026
Application Deadline March 30, 2026