Work Bitcoin Jobs in Hackensack, NJ (NOW HIRING)

Principal Software Engineer – Web3 Engineering

• Design, develop, and operate core services for DriveWealth Web3 Platform (DW3).
• Build highly performant, fault‑tolerant, and secure distributed systems supporting digital asset transactions and crypto wallet operations.
• Develop API‑first services integrating blockchain networks, service providers, and financial systems.
• Implement event‑driven architectures using Kafka and asynchronous messaging patterns.
• Build transaction orchestration, reconciliation, settlement, and asset movement workflows.
• Develop secure services leveraging cryptographic signatures, key management, and authentication controls embracing zero‑trust principles.
• Maintain and produce technical documentation and testing frameworks within CI/CD pipelines.
• Improve platform observability through metrics, tracing, logging, and OpenTelemetry instrumentation.
• Optimize application performance, resiliency, scalability, and operational efficiency.
• Drive engineering excellence through code reviews, technical leadership, and delivery best practices.

• 8+ years of software engineering experience building production systems in regulated financial environments following enterprise‑grade and best practices.
• Extensive hands‑on experience with TypeScript, Java, JavaScript, Spring Boot, Node.js, and NestJS.
• Experience building Web3 platforms, wallet infrastructure, or blockchain‑integrated applications. Proven experience using Web3.js, Ethers.js, WebJ, and blockchain SDKs.
• First‑hand experience delivering highly available, strong consistency, and high‑throughput distributed applications at scale. Strong expertise in concurrent, multi‑threaded, and asynchronous programming.
• Deep understanding of API‑first architectures, microservices, and distributed systems design.
• Strong experience with Apache Kafka, event streaming, and asynchronous processing patterns. Understand pub/sub and production‑consumer messaging patterns.
• Experience building and operating resilient, scalable, and secure cloud‑native applications.
• Expertise implementing REST APIs, service contracts, and integration frameworks.
• Experience implementing cryptographic signatures and secure communications between services.
• Experience and familiarity with AI‑assisted development and AI tools.
• Hands‑on experience with OpenTelemetry, observability platforms, and production monitoring.
• Strong understanding of CI/CD, DevSecOps, software security, and secure SDLC practices.
• Strong commitment to engineering quality practices including automated testing, CI/CD validation, code reviews, and test‑driven development methodologies.
• Experience developing and maintaining automated unit, integration, and functional testing frameworks within CI/CD pipelines.
• Strong technical writing skills with experience producing architecture documentation, API specifications, operational runbooks, and engineering standards.
• Proven experience providing L2/L3 production support for business‑critical systems, including incident management, root cause analysis, troubleshooting, and performance optimization.

• Hands‑on experience with Ethereum, Bitcoin, Solana, XRPL, or other distributed ledger technologies.
• Knowledge of blockchain transaction processing, smart contracts, and consensus mechanisms.
• Experience building custody, wallet, or digital asset transfer platforms.
• Familiarity with MPC, HSMs, key management systems, and cryptographic controls.
• Experience implementing Zero Trust security architectures.
• Knowledge of tokenization, stablecoins, settlement systems, and digital asset operations.
• Contributions to open‑source blockchain projects.

New York City Metro – 3 days/week in‑office. Chicago Metro – 3 days/week in‑office. Candidates not based in one of these metros are not eligible for this role. Must be authorized to work in the U.S.

We are an equal opportunity employer. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We encourage candidates from all backgrounds to apply.