Blockchain Engineer || OPT and H1B Allowed

Position: Blockchain Engineer || OPT and H1B Allowed Location: Southlake, TX / Austin, TX (Onsite) Duration: 12+ Months Responsibilities: Layer 1 Blockchain Integration & Platforms • Integrate systems with Layer 1 blockchains, including Ethereum-based and other enterprise-relevant networks. • Evaluate and enhance Layer 1 capabilities to support custody, scalability, and resiliency needs. • Understand key chain mechanics, including transaction lifecycle, finality, forks, reorgs, and event propagation. • Ensure blockchain integrations remain reliable under production load and stress conditions. Blockchain Infrastructure Components • Design and build core blockchain infrastructure, including indexers, event processors, block explorers, observability tools, chain data services, APIs, and cross-chain components. • Ensure blockchain data pipelines are accurate, performant, and auditable. • Support tooling for monitoring, troubleshooting, and incident response. Wallet Architecture & Development • Contribute to wallet architecture and development, including wallet services, transaction creation, signing workflows, and submission pipelines. • Integrate wallets with custody key management systems such as MPC, HSMs, and signing services. • Ensure clear separation of protocol logic, security controls, and business rules in wallet implementations. • Partner with custody and security teams to validate end-to-end transaction flows. Custody Related Blockchain Workflows • Support custody-related blockchain workflows, including on-chain transaction execution, event monitoring, reconciliation, and failure recovery. • Define safe interaction patterns for smart contracts and token standards within custody platforms. • Ensure blockchain workflows align with custody policies, approvals, and risk controls. Engineering Rigor & AI Augmented Development • Apply modern engineering practices to build reliable, testable, and observable blockchain services. • Use GenAI and agentic AI tools to accelerate protocol analysis, development, testing, documentation, and knowledge sharing. • Maintain engineering rigor by balancing speed, correctness, and safety. Qualifications: Core Qualifications • Minimum of 7 years of professional experience in software engineering. • Demonstrated experience in the development or integration of blockchain and distributed ledger technology solutions. • Strong knowledge of Layer 1 blockchain architectures, including transaction flow and lifecycle concepts. • Proven experience in building backend systems, APIs, and foundational infrastructure services. • Proficiency in one or more programming languages such as Go, Java, Rust, Python, or comparable technologies. • Ability to work effectively in a cross-functional environment spanning custody, security, and platform engineering teams. Preferred Qualifications • Experience with blockchain data infrastructure, including indexers, block explorers, and on-chain analytics platforms. • Solid understanding of wallet architectures and blockchain transaction signing workflows. • Exposure to crypto custody environments or other highly secure, regulated financial platforms. • Strong diagnostic and problem-solving capabilities within distributed, event-driven, and asynchronous systems. • Experience applying AI-enabled development tools to support complex engineering and delivery workflows. Thank You Aakash Dubey Talent Acquisition Lead Aakash.dubey@ampstek.com When applying, mention the word CANDYSHOP to show you read the job post completely.