Senior Blockchain Engineer - API & Wallet Systems

Peace Through Trade (PTT Coin) | Layer-1 PoW Blockchain; Austin (TX); Hybrid; USD 140,000 - 210,000; Full time

Job summary

Iris Software Inc. is seeking an experienced Blockchain Developer in the United States to design and build integrations with public and permissioned networks such as Bitcoin, Ethereum, Solana, and Chainlink.

The role involves creating secure APIs, middleware, and transaction orchestration services for deposits, withdrawals, transfers, staking, and settlement, plus developing reusable SDKs and abstraction frameworks. Hybrid work is available, and a strong background in blockchain is required.

Qualifications

• 8+ years of software engineering experience.
• 2+ years of hands-on blockchain and crypto platform development experience.
• Proven experience integrating with multiple blockchain networks.

Responsibilities

• Design, develop, and maintain integrations with public and permissioned blockchain networks, including but not limited to: Bitcoin, Ethereum, Solana, Chainlink.
• Build secure APIs and middleware layers connecting enterprise applications with blockchain networks.
• Develop blockchain transaction orchestration services supporting deposits, withdrawals, transfers, staking, and settlement operations.
• Create reusable SDKs, microservices, and blockchain abstraction frameworks.

Skills

Blockchain development

Software engineering

System integration

Crypto platforms

Job description

Iris Software Inc. is seeking an experienced Blockchain Developer in the United States to design and build integrations with public and permissioned networks such as Bitcoin, Ethereum, Solana, and Chainlink.

The role involves creating secure APIs, middleware, and transaction orchestration services for deposits, withdrawals, transfers, staking, and settlement, plus developing reusable SDKs and abstraction frameworks. Hybrid work is available, and a strong background in blockchain is required.