The Nuclear Company · 1 day ago
Principal Blockchain Engineer
United States
Full-time
Remote
Lead/Staff
$198K/yr - $228K/yr
8+ years expThe Nuclear Company is the fastest growing startup in the nuclear and energy space creating a fleet-scale approach to building nuclear reactors. They are seeking a Principal Blockchain Engineer to design, develop, and implement distributed ledger technology solutions that enhance the security and verifiability of digital signature and agreement platforms.
Clean EnergyElectrical DistributionNuclear
Responsibilities
Blockchain Solution Development: Design, develop, and deploy secure and scalable blockchain solutions and decentralized applications (DApps) for digital agreement workflows and identity verification
Smart Contract Engineering: Write, test, and deploy smart contracts (e.g., Solidity on Ethereum-compatible networks, or other relevant DLT platforms) for automated agreement execution, dispute resolution, and verifiable record-keeping
System Integration: Integrate blockchain components and smart contracts seamlessly with existing cloud-based applications, document management systems, and backend services
Security & Cryptography: Implement robust cryptographic solutions and ensure the security, integrity, and immutability of data stored and processed on the blockchain
Performance & Scalability: Optimize blockchain solutions for high transaction throughput, low latency, and efficient resource utilization, ensuring enterprise-grade performance
Research & Innovation: Stay current with the latest developments in blockchain technology, cryptography, and digital identity, evaluating new protocols and tools for potential application
Collaboration: Work closely with cross-functional teams including product management, legal, security, backend engineers, and UX designers to define requirements and deliver solutions
Testing & Quality Assurance: Develop and execute comprehensive tests for blockchain protocols, smart contracts, and integrated systems to ensure reliability and correctness
Documentation: Create clear and concise technical documentation for blockchain architecture, design, and implementation
Qualification
Required
Bachelor's or Master's degree in Computer Science, Software Engineering, or a related technical field
8+ years of professional software development experience
5+ years of hands-on experience in blockchain development, working with at least one major blockchain platform (e.g., Ethereum, Hyperledger Fabric, Corda, Polygon, Solana, Avalanche)
Experience with smart contract development and deployment (e.g., Solidity, Go, Rust)
Proficiency in at least one modern backend programming language (e.g., Node.js, Python, Go, Java)
Strong understanding of cryptographic principles (hashing, public-key cryptography, digital signatures)
Familiarity with decentralized application (DApp) development and blockchain tooling
Experience with cloud platforms (AWS, Azure, GCP) and CI/CD pipelines
Knowledge of database systems (SQL and NoSQL)
Proficiency with Git and collaborative development workflows
Benefits
Competitive compensation packages
401k with company match
Medical, dental, vision plans
Generous vacation policy, plus holidays
Company
The Nuclear Company
The Nuclear Company enables the deployment of nuclear power plants at fleet-scale by integrating government and industry partners.
51-200 employees
H1B Sponsorship
The Nuclear Company has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
2024 (1)
Funding
Current Stage
Growth StageTotal Funding
$46.3MKey Investors
Eclipse
2025-05-15Series A· $46.3M
Recent News
2025-12-09
2025-10-10
Company data provided by crunchbase