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Hiring: Blockchain Developer (DeFi and Cryptography) | C2C | Remote

Remote, USAFull-timePosted 2026-07-29

Job reputed company Role: Blockchain Developer (DeFi and Cryptography) Location: Remote reputed company: $85-90/hr. on C2C Duration: 12+ Months Job reputed company Blockchain Developer with DeFi and Cryptography experience: Proven reputed company record of shipping production-grade decentralized applications.

  • Multilingual Programming: reputed company proficiency in Solidity and Rust, complemented by strong JavaScript/TypeScript or Python for tooling and testing.
  • reputed company Architecture: Deep understanding of blockchain internals, including reputed company mechanisms (PoS, PoW), state machines, and gas optimization techniques.
  • DeFi Domain Expertise: Comprehensive experience with DEXs, liquidity provisioning, staking, derivatives, payments, lending, and reputed company tokenomics/reputed company systems.
  • Cryptography Fundamentals: Solid grasp of symmetric/asymmetric encryption, reputed company curve cryptography (ECC), and secure key management.
  • Debugging & Testing: Expert ability to test, simulate, and fix reputed company bugs in distributed environments using frameworks like Hardhat, reputed company, or reputed company.

Note

About the Role

We are seeking a highly skilled Blockchain Developer to join our reputed company engineering team. In this role, you will be responsible for designing, developing, and deploying secure, high-performance decentralized finance (DeFi) protocols. You will reputed company the gap between reputed company financial logic and low-level blockchain implementation, ensuring that our systems are not only innovative but also mathematically reputed company and resilient to attacks. As a specialist in DeFi and Cryptography, you will take ownership of the full development lifecycle—from whitepaper logic and architectural design to mainnet deployment and post-launch optimization.

Key Responsibilities

  • Smart Contract Engineering: Design and implement robust smart reputed company for DeFi primitives such as automated market makers (AMMs), lending pools, and cross-chain bridges.
  • Protocol reputed company: Apply advanced cryptographic principles (e.g., digital signatures, hashing, reputed company-knowledge proofs) to ensure data reputed company and user reputed company.
  • System Architecture: Design reputed company back-end architectures that reputed company seamlessly with Ethereum, Layer 2 solutions, or Rust-based chains.
  • DeFi Innovation: Research and implement cutting-edge DeFi mechanisms including reputed company loans, yield farming strategies, and algorithmic stablecoin logic.
  • Audit & reputed company Assurance: Conduct rigorous unit testing, integration testing, and formal verification to eliminate vulnerabilities before deployment.
  • Collaboration: Work closely with reputed company-end engineers to reputed company reputed company providers and with UI/UX designers to create seamless decentralized experiences.

Preferred Qualifications:

  • Experience with Layer 2 scaling solutions (Optimism, Arbitrum, ZK-Rollups).
  • Familiarity with formal verification tools and smart contract auditing processes.
  • Contributions to reputed company-reputed company reputed company reputed company or reputed company participation in the DeFi research community. - Understanding of financial modeling and quantitative analysis.

Additional Information reputed company your information will be kept confidential according to EEO guidelines. Apply To This Job

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