Software Developer, Crypto Wallet

Department: Engineering

Location: United States

Employment Type: FullTime

About Us
BlockchainUnmasked is working to make crypto crime solvable. We aim to streamline cryptocurrency forensic investigations through advanced automation combined with cutting-edge solutions. We work with our investigative partners to dramatically accelerate investigation times and boost success rates in interdiction, recovery, and deterrence.

As we expand our impact in combating financial crime in decentralized networks, we’re seeking a skilled Software Developer, Crypto Wallet to join our team and build secure, multi-chain wallet technology that protects users and supports safe blockchain adoption.

Role Overview
As a Software Developer, Crypto Wallet, you will be responsible for designing, developing, and integrating blockchain functionality into our proprietary crypto wallet. Your role will involve building multi-chain support, ensuring cross-chain interoperability, and implementing high-security cryptographic protocols to enhance our next-generation wallet technology.

Key Responsibilities

• Develop and integrate support for multiple blockchains (Bitcoin, Ethereum, Solana, Avalanche, Cosmos, Polkadot, etc.) into our wallet system.

• Implement secure key management, multi-signature authentication, and hardware security integrations.

• Design and implement cross-chain transaction protocols, bridging different blockchain networks.

• Optimize gas fees, transaction speeds, and smart contract interactions for efficiency and security.

• Develop and maintain secure APIs and SDKs for wallet connectivity.

• Integrate with DeFi protocols, Layer 2 scaling solutions, and privacy-enhancing technologies.

• Implement quantum-resistant cryptographic methods and randomized security measures for enhanced protection.

• Collaborate with UI/UX teams to ensure a seamless and intuitive user experience.

• Work closely with security teams to conduct audits, pen testing, and code reviews for vulnerability detection.

What We’re Looking For

Must-Have Skills

• 5+ years of experience in blockchain software development.

• Proficiency in Rust, Go, Solidity, Python, or C++ for blockchain and cryptographic applications.

• Strong knowledge of blockchain protocols, cryptographic algorithms, and secure wallet development.

• Experience with hardware security modules (HSMs), secure enclaves, and hardware wallets (Ledger, Trezor, etc.).

• Understanding of cross-chain interoperability solutions (Atomic Swaps, Bridges, Wrapped Assets, etc.).

• Experience with DeFi integrations, Layer 2 rollups (Optimistic Rollups, ZK-Rollups), and on-chain security measures.

• Familiarity with quantum-resistant cryptography, true random number generation (TRNG), and post-quantum security protocols.

• Ability to optimize blockchain interactions for low-latency, high-throughput applications.

Nice-to-Have Skills

• Experience with ZK-SNARKs, ZK-STARKs, and homomorphic encryption.

• Background in Web3 development, including smart contract security and auditing.

• Knowledge of secure boot mechanisms and firmware security for embedded cryptographic devices.

• Experience integrating AI/ML-based fraud detection and anomaly detection into blockchain security solutions.

Why Join Us?

🚀 Build solutions that protect victims and make crypto crime solvable.

🛠️ Collaborate with industry leading experts and investigators in a dynamic, mission-driven environment.

💡 Contribut to industry leading projects at the intersection of blockchain forensics, security, financial crime identification, and law enforcement.

🌍 Enjoy flexible remote work, competitive salary, equity options, and opportunities for professional growth.

💰 Be part of a team that's building solutions that unmask crypto crime across the globe.