Blockchain Developer

DevOps, Blockchain and Cryptography (5.0 yr.).

Senior

B1 English

Required Skills

Blockchain

Tokenization

Smart Contract

ERC-721

Nice to Have

ERC-1155

ERC-20

Backend

Security

DevOps

Web3

Solidity

IPFS (InterPlanetary File System)

InterPlanetary File System

DeFi

Summary

Overview

Design, implement, and maintain smart contracts and blockchain infrastructure for RWAHub’s asset tokenization and marketplace.

Responsibilities

Develop and audit smart contracts (ERC-721, ERC-1155, ERC-3643)
Integrate blockchain with frontend and backend systems
Optimize for security, scalability, and efficiency
Collaborate with CTO, product, and DevOps teams
Stay updated with blockchain and Web3 innovations

Requirements

Strong experience in Solidity and Ethereum/Polygon development
Knowledge of smart contract standards and best practices
Familiarity with Layer-2 solutions and IPFS
Experience with DeFi or Web3 platforms is a plus
Comfortable in fully remote environment

Why Join

Work on cutting-edge blockchain solutions
Fully remote and flexible role
Competitive salary and equity/token incentives
Contribute to the future of real-world asset tokenization

Are you a talented developer looking for a remote job that lets you show your skills and get decent compensation? Join Upstaff.com, a platform that connects you with hand-picked startups and scale-ups in the US and Europe.

Not your tech stack?

Join the Upstaff community and we are looking for the best project for you. Be ready for the next steps:

Create your profile on our website (import from LinkedIn)
20-30-minute screening call
Technical interview
Feedback
Project Selection (we are looking for the best project for you).

We work with developers from 50+ countries in different regions: Europe, LATAM, the U.S. (W-9 form owners), Canada, Asia (Philippines, Indonesia), Oceania (Australia, New Zealand, Papua New Guinea), and the the UK.

We don’t have a legal and ethical basis to accept applicants from the following countries: Russia, Belarus, Iran, North Korea
We do not provide visa assistance, and our cooperation model does not include the benefits typically offered with direct hire.