Senior Python Back-End Developer, Crypto

We are looking for a Senior Python Back-End Developer to join our team and drive the development of secure, scalable systems supporting cryptocurrency trading, custody, and settlement. You will work closely with stakeholders and engineering leadership to design robust integrations with blockchain networks, exchanges, and digital wallets, while ensuring the highest standards of code quality and security.

Responsibilities

• Collaborate with team members and stakeholders in developing features and new products
• Develop solutions according to specified business requirements
• Define and write up technical specifications, including the appropriate technology and workflow to coding standards
• Present implementation details to team leaders, heads, and CTO
• Implement unit and integration tests
• Ensure software meets requirements of quality, security, modifiability, and extensibility
• Participate in code reviews, identify anti-patterns, and pursue refactoring opportunities
• Design and implement secure integrations with blockchain networks, crypto exchanges, and digital wallets
• Contribute to the development of systems supporting cryptocurrency trading, custody, and settlement
• Perform other duties as deemed necessary by their superior from time to time

Requirements

• BSc in Computer Science or related field
• 5+ years of experience in software development and coding in Python, with PHP considered an advantage
• Knowledge of software and application design, architecture, and quality assurance principles
• Experience with software development lifecycle (SDLC) processes and service-oriented architecture (SOA)
• Experience in SQL and NoSQL databases
• Experience with RabbitMQ, Kafka, or other messaging systems
• Experience in developing microservices and managing containerized applications
• Experience building web sockets
• Familiarity with Kubernetes and IaC tools such as Terraform and Helm
• Proficiency in version control and continuous integration tools such as Git and Jenkins
• Understanding of web security standards and best practices
• Strong knowledge of blockchain fundamentals, cryptography, and digital assets, with hands-on experience integrating crypto APIs (REST/WebSocket), smart contracts, or blockchain SDKs

Nice to have

• Exposure to DeFi protocols
• Familiarity with Web3 frameworks
• Background in digital custody systems