Lead Python Engineer (Crypto)

As a Lead Python Engineer at EPAM Systems, you drive the architecture and delivery of secure, scalable systems that power cryptocurrency trading, custody, and settlement. You provide technical leadership across the engineering team, mentor engineers, and partner closely with cross-functional stakeholders to shape the technical direction and ensure high-quality solutions.

What you'll do

• Lead the design, architecture, and delivery of complex features and new products, setting the technical vision for the team
• Collaborate with product owners, team leads, and stakeholders to translate business needs into robust technical strategies and roadmaps
• Define and own technical specifications, selecting appropriate technologies, workflows, and coding standards
• Present and justify architectural decisions and implementation approaches to engineering leadership and the CTO
• Establish and enforce best practices for unit and integration testing across the team
• Ensure software consistently meets high standards of quality, security, scalability, modifiability, and extensibility
• Lead code reviews, identify anti-patterns, drive refactoring initiatives, and raise the overall engineering bar
• Mentor and coach engineers, supporting their technical growth and fostering a culture of knowledge sharing
• Architect and oversee the implementation of secure integrations with blockchain networks, crypto exchanges, and digital wallets
• Shape and guide the development of systems supporting cryptocurrency trading, custody, and settlement
• Take ownership of technical risks, dependencies, and trade-offs across projects

What you bring

• A Bachelor's degree in Computer Science or a related field
• 5+ years of experience in software development and coding in Python
• 1+ years of experience in a technical leadership capacity
• Expert-level knowledge of software and application design, architecture, and system design patterns, with a strong technical mindset and great attention to detail
• Deep understanding of software quality assurance principles and SDLC processes, with experience shaping them within a team
• Strong background in service-oriented architecture (SOA), designing microservices, and managing containerized applications at scale
• Advanced proficiency in SQL and NoSQL databases, including performance tuning and data modeling
• Hands-on experience with RabbitMQ, Kafka, or similar messaging systems in production environments
• Proven experience building and scaling WebSocket-based solutions
• Strong skills in Kubernetes and IaC tools such as Terraform and Helm
• Expertise in version control and continuous integration using Git and Jenkins, including defining CI/CD strategies
• Solid understanding of web security standards and best practices, with experience embedding security in the development lifecycle
• Deep knowledge of blockchain fundamentals, cryptography, and digital assets
• Extensive hands-on experience integrating with crypto APIs (REST/WebSocket), smart contracts, or blockchain SDKs
• Demonstrated ability to mentor engineers, lead technical discussions, and influence cross-team decisions
• English proficiency at Upper-Intermediate level (B2) or higher

Nice to have

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

What we offer

• Remote work from within Ukraine, or work from any EPAM office or coworking space in Ukraine
• Necessary equipment to perform your work tasks
• The ability 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 and charity programs, and membership in technical and interest-based communities
• An individual career path planned together with your manager
• Regular feedback from colleagues
• Free English improvement with certified teachers, including Speaking Clubs and client interview preparation courses
• 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, Get Abstract, and other partner resources
• Opportunity to study at EPAM Solution Architecture School with practicing architects
• Leadership development through Delivery Management, Resource Management, and Leadership Essentials schools
• Participation in internal communities featuring 500+ annual meetups, technical discussions, brainstorming sessions, and conferences
• Vacation and sick leave, including sick leave without a medical certificate
• A wide range of 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
• Support for psychological comfort through discounts on mental health specialists or coaches, and thematic training
• E-kids program, a free programming language training program for employees' children

About EPAM Systems

EPAM Systems is a global technology company with over 62,350 professionals in more than 55 countries, providing opportunities for professional growth from day one. EPAM values cooperation, focuses on understanding clients' business needs, and strives for the highest quality standards across diverse industries.