Backend Engineer – Contract

🕒 June 24

🇦🇷 Argentina – Remote

⏳ Contract/Temporary

🟡 Mid-level

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 10%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Nexus

WebsiteLinkedInAll Job Openings

11 - 50 employees

💼 Consulting

📦 Logistics

🤖 Artificial Intelligence

Consulting • Logistics • Artificial Intelligence

Nexus is on a mission to enable the Verifiable Internet by building the world’s most powerful distributed supercomputer. Our team of leading mathematicians, engineers, and cryptographers is dedicated to developing next-generation secure and scalable technologies, such as the Nexus zkVM, to ensure the accuracy of AI and support advanced computational tasks. By partnering with Nexus, individuals and organizations can contribute to this innovative ecosystem and help shape the future of computation.

📋 Description

• Design and build backend services in Node.js and Rust for Nexus's Layer 1 and DEX. • Develop APIs and data pipelines for trading, liquidity, and on-chain verification. • Build and maintain blockchain infrastructure components (RPC endpoints, explorers, dev tools). • Write clean, well-tested, production-grade code that supports verifiable financial applications. • Contribute to architecture discussions and technical decisions based on your level of experience.

🎯 Requirements

• Experience building backend systems in a production environment. • Proficiency in one or more of: Node.js, Rust, Go, or Python. • Experience with relational databases (PostgreSQL or similar) and API design. • A track record of shipping reliable software and improving the systems you work on. • Excellent communication skills in Business English (spoken & written).

🏖️ Benefits

• Build the backend systems powering the Layer 1 for Verifiable Finance. • Collaborate with experts across blockchain, AI, and financial infrastructure. • Shape the foundation for a verifiable, transparent, global trading system. • Thrive in a fast-moving, high-impact engineering environment.