Senior Python Back-End Developer - Crypto

As a Senior Python Back-End Developer at EPAM Systems, you will contribute to the development of secure, scalable systems supporting cryptocurrency trading, custody, and settlement. You will collaborate closely with stakeholders and engineering teams to design robust solutions that integrate with blockchain networks, crypto exchanges, and digital wallets. This role supports remote work from within Ukraine.

What you'll do

• Collaborate with team members and stakeholders to develop features and new products
• Develop solutions according to specified business requirements
• Define and write 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

What you bring

• BSc in Computer Science or related field
• 5+ years of experience in software development and coding in Python
• 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 with 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

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

What we offer

• Remote work from within Ukraine or from EPAM offices and coworking spaces
• Necessary equipment to perform your work tasks
• Opportunity to change projects and technology stacks within EPAM
• Experience across various business domains including Insurance, E-commerce, Healthcare, Finance, Travel, Media, and Artificial Intelligence
• Relocation opportunities may be available for eligible candidates, depending on the role and openings at other EPAM locations
• Participation in volunteer, charity programs and communities, both technical and interest-based
• Individual career path planning with your manager
• Regular feedback from colleagues
• Free English improvement programs with certified teachers, including Speaking Clubs and client interview preparation
• Free training and certification in AWS, GCP, or Azure Clouds
• Access to the internal E-learn training program with 18,200+ specialized training and mentoring programs
• Corporate accounts on LinkedIn Learning, GetAbstract and other partner resources
• Participation in EPAM Solution Architecture School with practicing architects
• Leadership development through Delivery Management, Resource Management, and Leadership Essentials schools
• Participation in internal communities with 500+ meetups, technical discussions, brainstorming sessions, online events and conferences annually
• Vacation and sick leave, including sick leave without a medical certificate
• Comprehensive Voluntary Medical Insurance programs covering medical treatment and preventive options, including sports activities
• Medical insurance for family members at corporate rates
• Company support during significant life events such as childbirth, adoption, or marriage
• Discounts on services from mental health specialists and coaches, plus thematic training
• E-kids program, a free programming language training program for EPAM employees' children

About EPAM Systems

EPAM is a global technology company with over 62,350 professionals in more than 55 countries. The company provides opportunities for professional growth from day one, valuing cooperation and aiming for the highest quality standards in serving clients' business needs.