Тип вакансії: Повна зайнятість

Розташування:

Core skill: Solidity and smart contracts development this is the primary focus of the role and the key selection criterion.
At least 4 years of commercial development experience
Deep knowledge of Go and Solidity
Hands-on experience with blockchain platforms (Ethereum, Solana, Tron, etc.), DeFi and dApp architectures
Candidates must be able to discuss real projects, system architectures and their own experience in depth during the technical interview

Position Name: Research & Development Engineer (Blockchain / Smart Contracts)
Level: Senior
Headcount: 3 (client stated 23 engineers)
Hard skills requirements:
At least 4 years of experience as a developer
Solidity and smart contracts development – core skill, primary focus of the role
Deep knowledge of Go
Expertise in Web3
Experience working with blockchain platforms (Ethereum, Solana, Tron, etc.)
Experience with cryptographic protocols and smart contracts
Experience with DeFi
Knowledge of decentralized application (dApps) architectures
Understanding the specifics of cryptocurrency transactions and smart contracts
Experience with version control systems (Git)
Nice to Have:
Rust, JavaScript, Node.js, Python
Experience with financial operations and high-load systems
Knowledge of containerization and DevOps infrastructure (Docker, Kubernetes)
Soft skills requirements:
A passion for problem-solving and finding innovative solutions
Strong communication able to discuss real projects, architectures and past experience in technical depth
Research mindset comfortable with R&D work on new technologies
Proactivity and ownership
Responsibilities:
Develop and implement innovative solutions for the company's products in the blockchain and crypto-processing sector
Write clean, high-quality, maintainable code
Integrate new functionalities into existing solutions and system architectures
Integrate blockchain platforms with the company's existing systems
Conduct code reviews and ensure code security
Participate in architectural discussions and develop scalable system architectures
Work with APIs to interact with crypto-payment gateways and external services
Analyze system performance, identify bottlenecks, and optimize the system
Participate in the development of new products and services based on blockchain technologies, including MPC and distributed signing
English: Upper-Intermediate (client's own posting states B1-B2)
Office/Remote: Remote. Full-time preferred through EOY 2026 (part-time 1520 hrs/week possible); full-time required from 2027
Time zone: EST overlap team is US-based in Tampa, Florida

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