N3XT · 2 weeks ago
Software Engineer - Blockchain & Digital Assets
United States
Contract
Remote
Mid, Senior Level
CAD$140K/yr - CAD$200K/yr
3+ years expN3XT is a Wyoming-chartered Special Purpose Depository Institution focused on bridging traditional capital markets with public blockchain infrastructure. The Software Engineer will build and scale the public blockchain layer of the product, architecting smart contracts and event-driven services to connect private bank reserves with public liquidity.
Decentralized Finance (DeFi)Financial ServicesFinTech
Responsibilities
Smart Contract Development: Build and deploy tokenized assets (ERC-20) and Identity NFT (ERC-721) contracts on public blockchains
Finality-Aware Infrastructure: Develop chain-oriented services, ensuring the platform correctly handles probabilistic finality and chain reorganizations before notifying internal systems
Real-Time Synchronization: Maintain and support reconciliation services to process on-chain events (mints, burns, transfers) and trigger corresponding updates in our internal systems
Secure Mint/Burn Orchestration: Implement services utilizing Hardware Security Modules (HSMs) for secure, multi-party authorized on-chain transactions
Inconsistency Detection: Implement Discrepancy Detection Services to verify fundamental system invariants
System Scalability & Reliability: Gain a deep understanding of our cloud architecture to ensure the high availability and scalability of our APIs, data processing reactors, and ledger systems
Mentorship & Collaboration: Act as a technical mentor for junior engineers and a subject-matter expert for business stakeholders, helping them effectively consume and interpret platform data
Feature Delivery: Consistently deliver high-quality features and associated tests in alignment with our product roadmap
Qualification
Required
3+ years of professional software engineering experience, with a significant focus on data engineering or backend systems
Public Blockchain Mastery: Expert-level Solidity and experience with the Ethereum Virtual Machine (EVM)
Event-Driven Systems: Proficiency with high-throughput message brokers (e.g., Kinesis, PubSub, RabbitMQ) to manage the flow of finalized blockchain events
Resilient Architecture: Strong understanding of Idempotency and Event Ordering to prevent race conditions during distributed state updates
Blockchain Integration: Experience building distributed, fault-tolerant services that interact with blockchain nodes via JSON-RPC
Identity & Compliance: Familiarity with on-chain whitelisting mechanisms using NFTs to enforce regulatory standards
A strong foundation in software development best practices, including version control (Git), automated testing, and CI/CD
Excellent problem-solving skills and the ability to work independently in a fast-paced environment
Preferred
Familiarity with the FinTech, Blockchain, or Web3 ecosystems and concepts like smart contracts
Knowledge of containerization and orchestration technologies like Docker and Kubernetes
Previous experience mentoring junior engineers or acting as a tech lead on projects
A Bachelor's or Master's degree in Computer Science, Engineering, or a related field
Benefits
Competitive salary, benefits and professional development support.
Company
N3XT
n3xt is a technology company that offers financial services.
11-50 employees
Funding
Current Stage
Early StageTotal Funding
$72.78M2025-10-21Series Unknown· $26M
2025-02-21Series Unknown· $40.28M
2023-11-17Series Unknown· $6.5M
Leadership Team
Jeffrey Wallis
Founder, Chief Executive Officer
Kyle O’Donnell
Founder and Chief Information Officer
Recent News
2025-12-06
Business Wire
2025-12-05
2025-12-05
Company data provided by crunchbase