Solution Architect - Enterprise Blockchain Infrastructure

EPAM·Serbia·Удалённо·2 нед. назад

We are looking for a Senior Solution Architect to design and oversee the technical architecture for a comprehensive blockchain platform, including stablecoin infrastructure, custodial wallet systems, and crypto-acquiring capabilities. You'll architect enterprise-grade solutions with a focus on security, scalability, and regulatory compliance across diverse blockchain ecosystems and wallet architectures.

Thank you for your interest in this position. Please note that only candidates whose experience closely matches the job requirements will be contacted. If you do not receive an email from us, please do not be discouraged—feel free to apply for other positions that better align with your experience. If you have any questions, you can reach us at

Responsibilities

Design a comprehensive blockchain infrastructure supporting private EVM networks with enterprise performance
Architect, create, and refine scalable and resilient backend infrastructure for multi-chain wallet solutions, supporting various custody models, including traditional custodial, multisig, MPC, and account abstraction implementations
Define and refine key lifecycle management practices, including backup strategies, rotation policies, and access control frameworks for various wallet types
Architect security frameworks for digital asset custody with advanced key management solutions and keyless architectures
Design an API-first approach with integration for banking systems and fintech services across different wallet paradigms
Participate in security reviews and provide expert guidance on incident response plans, technical decisions, and secure operational workflows
Oversee and facilitate key ceremonies and ensure proper governance is established for long-term technical decision-making
Review and refine access control mechanisms and provide recommendations for system upgrades and updates
Design hybrid deployment strategies for cloud and on-premise environments using Kubernetes
Ensure wallet architecture and operations are compliant with financial regulations such as KYC/AML, PSD2, and GDPR when applicable
Implement monitoring and alerting systems for blockchain nodes and transaction processing
Lead a team of technology subject matter experts and take full ownership of technology programs
Work closely with product, business, and engineering stakeholders, ensuring responsibility for the final product
Maintain SME-level proficiency in technology, particularly blockchain domains

Requirements

Extensive solution architecture experience with a significant background in blockchain/digital asset platforms
Advanced experience with blockchain custody infrastructure and enterprise wallet architecture across custodial, multisig, and MPC solutions
Understanding of account abstraction concepts and keyless wallet architectures
Deep understanding of diverse blockchain protocols and ecosystems with knowledge of rollups and sidechains
Experience deploying, configuring, and upgrading blockchain nodes and validators
Hands-on experience with smart contract development (Solidity, Rust), role-based access control, and upgradeable proxy patterns
Experience with cross-chain bridging, multi-chain integrations, and wallet interoperability
Familiarity with consensus mechanisms (PoW, PoS, DPoS, BFT, etc.)
Experience with blockchain monitoring tools (BlockScout, Prometheus exporters, Grafana dashboards)
Knowledge of smart contract deployment workflows and integration with DevOps pipelines
Understanding of private/public blockchain network setups, permissioned networks, and cross-chain communication
Experience with blockchain security best practices (key management, secure RPC endpoints, DDoS protection)
Deep understanding of enterprise security frameworks and cryptographic protocols
Experience with microservices architecture, API design, and enterprise integration patterns
Knowledge of cloud and on-premise infrastructure design (AWS, GCP, Kubernetes)
English proficiency at B2 level or higher