Senior Python Engineer (Crypto)

We are looking for a Senior Python Engineer with solid crypto experience to join our team. In this role, you will design and build secure, scalable systems that power cryptocurrency trading, custody, and settlement, while collaborating closely with cross-functional teams to deliver high-quality solutions. Responsibilities Collaborate with team members and stakeholders in developing features and new products Develop solutions according to specified business requirements Define and write up the technical spec, including the appropriate technology and workflow to coding standards Demonstrate and present implementation to team leaders/heads/CTO Implement unit and integration tests Ensure software meets all requirements of quality, security, modifiability, and extensibility Participate in code reviews, identifying anti-patterns and 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 from time to time Requirements Bachelor's degree in Computer Science or a related field 3+ years of experience in software development and coding in Python Excellent knowledge of software and application design and architecture, with a technical mindset and great attention to detail Understanding of software quality assurance principles and SDLC processes Background in service-oriented architecture (SOA), developing microservices, and managing containerized applications Proficiency in SQL and NoSQL databases Familiarity with RabbitMQ, Kafka, or similar messaging systems Experience building WebSockets Skills in Kubernetes and IaC tools such as Terraform and Helm Competency in version control and continuous integration using Git and Jenkins Understanding of web security standards and best practices Strong knowledge of blockchain fundamentals, cryptography, and digital assets Hands-on experience integrating with crypto APIs (REST/WebSocket), smart contracts, or blockchain SDKs English proficiency at an Upper-Intermediate level (B2) or higher Nice to have Knowledge of PHP Exposure to DeFi protocols Familiarity with Web3 frameworks Experience with digital custody systems