Blockchain Expert
Salary:
€4000-5000 - Per Month
Locations:
Europe, United States
Type:
Permanent
Published:
September 10, 2025
Contact:
Euan Roche
Ref:
17736
Required Skills:
Rust
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Position: Blockchain Specialist
Location: Remote (Europe)

About the Company
An innovative fintech company operating at the intersection of payments, cryptocurrencies, and blockchain technology is seeking a highly skilled Blockchain Specialist to lead its next generation of projects. These initiatives include the development of crypto wallets, decentralized exchange (DEX) integrations, and other pioneering blockchain applications.

Our Mission
To empower businesses to expand globally by delivering seamless, borderless payment solutions that integrate both fiat and cryptocurrency systems. We achieve this by partnering with top-tier providers to ensure an exceptional cross-border payment experience.

Role Overview

This position requires a balance of deep technical acumen and strategic insight. You will lead blockchain initiatives from conception to execution, ensuring solutions are robust, scalable, and aligned with market demands.

Why Work With Us?

  • Innovative Projects: Be part of a team that's redefining how payments work through blockchain.

  • Global Collaboration: Work with international teams and clients, gaining wide-reaching exposure.

  • Strong Leadership: Learn from experienced professionals across finance, tech, and telecom sectors.

  • Vibrant Culture: Join a motivated, collaborative, and forward-thinking team environment.


Key Responsibilities

Technical Leadership

  • Architect and develop blockchain-based systems such as wallets, DEX components, and smart contracts.

  • Guide infrastructure decisions for both on-chain and off-chain components with a focus on performance and security.

  • Evaluate blockchain platforms, tools, and protocols suitable for various use cases.

  • Stay up to date on blockchain advancements, including L1/L2s, rollups, bridges, and hybrid solutions.

Strategic Direction

  • Serve as the subject matter expert on blockchain initiatives, advising on feasibility, risks, and opportunities.

  • Collaborate with cross-functional teams to define blockchain product strategies aligned with business goals.

  • Conduct research on industry trends including crypto payments, DeFi, tokenization, and interoperability.

Development & Implementation

  • Write secure smart contracts using Solidity, Rust, or Move.

  • Build backend services for blockchain interactions with a focus on efficiency and cost-effectiveness.

  • Implement and optimize crypto payment flows with attention to compliance and security standards.

Collaboration & Knowledge Sharing

  • Work alongside developers, DevOps, security, and product teams to deliver comprehensive solutions.

  • Mentor engineering teams on blockchain technologies and best practices.


Ideal Candidate Profile

Must-Have Skills

  • Deep understanding of blockchain ecosystems, including protocols, wallets, DEXs, and crypto payment flows.

  • Experience with major blockchains like Ethereum, Solana, or Polkadot.

  • Smart contract development proficiency (Solidity, Rust, or Move).

  • Strong knowledge of gas optimization, consensus algorithms, and security practices.

  • Programming experience with Rust and TypeScript.

  • Familiarity with Node.js, Web3.js, ethers.js, and event-driven architectures.

  • Experience with containerization and cloud technologies (Docker, Kubernetes, AWS, etc.).

Nice-to-Have Experience

  • MEV strategies, Flashbots, or on-chain arbitrage.

  • Privacy tech such as zk-SNARKs or zk-Rollups.

  • Familiarity with major DeFi protocols (e.g., Aave, Uniswap, Curve).

  • Knowledge of cross-chain and interoperability frameworks.


What’s in It for You

  • Remote Flexibility: Work from anywhere with adaptable hours.

  • Growth Opportunities: Access to resources for personal and professional development.

  • Collaborative Environment: Your ideas and contributions will have real impact.

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