Senior Python Back-End Developer - Crypto

We are seeking a Senior Python Back-End Developer to join our team and contribute to the development of secure, scalable systems supporting cryptocurrency trading, custody, and settlement. The ideal candidate will collaborate closely with stakeholders and engineering teams to design robust solutions that integrate with blockchain networks, crypto exchanges, and digital wallets.

Responsibilities

• Collaborate with team members and stakeholders to develop features and new products
• Develop solutions according to specified business requirements
• Define and write up technical specifications, including 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 and architecture
• Understanding of software quality assurance principles and software development lifecycle (SDLC) processes
• Experience with service-oriented architecture (SOA), microservices development, and containerized application management
• Experience in SQL and NoSQL databases, RabbitMQ or Kafka, and building websockets
• Familiarity with Kubernetes and Infrastructure as Code 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
• Knowledge of blockchain fundamentals, cryptography, and digital assets
• Hands-on experience integrating with crypto APIs (REST/WebSocket), smart contracts, or blockchain SDKs

Nice to have

• Exposure to DeFi protocols
• Familiarity with Web3 frameworks
• Knowledge of digital custody systems

Benefits

With us you can:

• Work on a flexible schedule remotely or from any of our comfortable offices or coworking spaces in Ukraine
• Receive the necessary equipment to perform your work tasks
• Change projects and technology stacks within EPAM
• Gain experience in various business domains (Insurance, E-commerce, Healthcare, Finance, Travelling, Media, Artificial Intelligence, and more)
• Relocation opportunities may be available for eligible candidates, depending on the role and openings at other EPAM locations
• Participate in volunteer, charity programs and communities (both technical and interest-based)

We focus on your professional growth:

• You can plan your individual career path together with your manager
• Receive regular feedback from colleagues
• Improve your English for free with certified teachers (Speaking Clubs, client interview preparation courses, etc.)
• Get the opportunity to undergo free training and certification in AWS, GCP, or Azure Clouds
• Use the internal E-learn training program (18,200+ specialized training and mentoring programs)
• Access corporate accounts on LinkedIn Learning, Get Abstract and other partner resources
• Study at EPAM Solution Architecture School with the instructors who are practicing architects
• Develop as a leader, join Delivery Management, Resource Management, Leadership Essentials school and more
• Participate in internal communities (500+ meetups, technical discussions, brainstorming sessions, online events and conferences annually)

What we offer:

• Vacation and sick leave (including a sick leave without a medical certificate)
• A wide range of Voluntary Medical Insurance programs providing both medical treatment and various preventive options (including sports activities)
• Medical insurance for family members at corporate rates
• Company support during significant life events (childbirth or adoption, marriage, etc.)
• Support for psychological comfort: discounts on services from mental health specialists or coaches, thematic training
• E-kids program - a free programming language training program for EPAMers' children