Blockchain Developer

Blockchain Developer/ Rust Backend Engineer

*Rust & TypeScript* required

I. Role Summary & Mission

Location: Remote (European Time-zone)

Role Overview

We are a cutting-edge fintech company focused on payments, crypto, and blockchain solutions. We are looking for a Blockchain Expert who can lead and drive our next crypto projects—ranging from crypto wallets to DEX solutions and other innovative blockchain applications.

Our Mission Our mission is to enable businesses to grow internationally at pace by providing state-of the-art payment solutions, which unify the fiat and cryptocurrency worlds. Through partnerships with leading providers, we ensure that our clients receive the best borderless payment experience.

II. Key Responsibilities

Technical Leadership

• Design and develop blockchain-based solutions, including crypto wallets, DEX integrations, and smart contracts.
• Provide expert guidance on on-chain and off-chain architectures, ensuring scalability and security.
• Evaluate and select blockchain protocols and tools for our projects.
• Stay ahead of blockchain trends and explore L1, L2, rollups, bridges, or hybrid solutions.

Strategy & Market Leadership

• Act as a key decision-maker on blockchain projects, providing insights on feasibility, risks, and opportunities.
• Work closely with business and product teams to define blockchain strategies aligned with market needs.
• Research and analyze trends in crypto payments, DeFi, tokenization, and cross chain interoperability.

Development & Implementation

• Implement smart contracts using Solidity, Rust, or Move, ensuring security best practices.
• Develop backend services for interacting with blockchain networks, optimizing for cost and speed.
• Work on transaction processing, ensuring secure and efficient payment flows.
• Ensure compliance with blockchain security standards and regulatory guidelines.

Collaboration & Communication

• Work closely with developers, DevOps, security, and business teams to create end-to-end blockchain solutions.
• Provide mentorship and training to other engineers on blockchain best practices.

III. Required Qualifications

Must-have

• Blockchain Expertise
• Deep understanding of blockchain protocols, wallets, DEXs, DeFi, and crypto transactions.
• Experience working with Ethereum, Solana, Polkadot, or other major chains.
• Smart contract development (Solidity, Rust, or Move).
• Strong understanding of gas optimization (Network fee), security best practices, and consensus mechanisms.
• Rust and TypeScript (strong preference).
• Experience working with Node.js, Web3.js, ethers.js, or similar blockchain SDKs.
• Familiarity with event-driven architectures and message queues.
• Knowledge of Docker, Kubernetes, AWS, or cloud-based blockchain solutions.
• Strong understanding of unit testing practices with a focus on delivering high-quality, reliable code.
• Ability to work across multiple programming languages and adapt to diverse technology stacks.
• Strong proficiency in SQL, including writing complex queries and optimizing performance.

Nice-to-have

• Experience with MEV strategies, Flashbots, or on-chain arbitrage.
• Familiarity with zk-SNARKs, zk-Rollups, or other privacy-preserving technologies.
• Knowledge of DeFi protocols (Aave, Uniswap, Curve, etc.).
• Exposure to cross-chain solutions and interoperability frameworks.

IV. Why Join us?

We believe in empowering our people and fostering a culture of continuous learning and growth. When you join us, you will get to/ receive:

• Work on high impact projects in an extreme-engineering fast-paced environment.
• Collaborate in fast-paced culture with global exposure.
• Competitive salary and performance-based bonus structure.
• Flexible Working Conditions: enjoy the flexibility of remote work and adaptable hours.

If you are passionate about software quality and eager to contribute to the success of a dynamic team, we encourage you to apply for this exciting opportunity. Join us in shaping the future of technology through innovation and excellence in software testing and quality assurance.

How to Apply

Please submit your resume outlining your relevant experience to [email protected]

We look forward to welcoming a new leader to our team!