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Senior R&D Engineer
CoinsPaidJob Summary
CoinsPaid is a leading crypto payment gateway seeking a Senior R&D Engineer to develop and support innovative solutions in the field of crypto processing. The role involves designing, developing, and testing secure, high-performance distributed systems for processing cryptocurrency transactions. The ideal candidate should have deep knowledge of blockchain technologies, programming languages such as Go and PHP, and experience with version control systems (Git) and blockchain platforms (Ethereum, Solana, Tron, etc.). CoinsPaid is a remote-first company with employees working from 30+ countries around the world, offering flexible work options, $4,000/year travel stipends, and equity in a fast-growing company. Joining CoinsPaid allows you to participate in building the world's best crypto payment ecosystem and conquer new markets.
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
- Develop and optimize smart contracts and cryptographic algorithms
- 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
Requirements:
- A passion for problem-solving and finding innovative solutions
- At least 5 years of experience as a developer
- Deep knowledge of programming languages: Go, PHP
- Experience with version control systems (Git)
- Experience working with blockchain platforms (Ethereum, Solana, Tron, etc.)
- Experience with cryptographic protocols and smart contracts
- Knowledge of decentralized application (dApps) architectures
- Understanding the specifics of cryptocurrency transactions and smart contracts
- Experience working in Agile/Scrum teams
- English level: B1-B2
Nice to have:
- Experience with DeFi or dApps projects
- Experience with financial operations and high-load systems
- Knowledge of containerization and DevOps infrastructure (Docker, Kubernetes)
- Experience with programming languages: Solidity, Rust, JavaScript, Python