Principal Software Engineer - US - Crypto in Miami

Energy Jobline is the largest and fastest growing global Energy Job Board and Energy Hub. We have an audience reach of over 7 million energy professionals, 400,000+ monthly advertised global energy and engineering jobs, and work with the leading energy companies worldwide.

We focus on the Oil & Gas, Renewables, Engineering, Power, and Nuclear markets as well as emerging technologies in EV, Battery, and Fusion. We are committed to ensuring that we offer the most exciting career opportunities from around the world for our jobseekers.

Job DescriptionJob DescriptionCareer Renew is recruiting for one of its clients a Principal Software Engineer - US - Crypto - this is a fully remote role for US based candidates.

Join a stellar team of leaders and experts in blockchain technology, cryptography, infrastructure, and security to build the backbone of blockchain wallet infrastructure for the next financial era. We’re hiring a Principal Software Engineer to lead the design, development, and scaling of our core backend systems. In this role, you’ll own critical projects while setting technical direction and ensuring our platform is fast, resilient, and secure. This is more than a coding role. You’ll make key architectural decisions, drive engineering standards, and mentor senior engineers. You’ll work with product, security, and leadership to align technical execution with company strategy and ensure our systems perform under the high-stakes demands of financial workflows.

experience

Responsibilities

• Lead the design and development of scalable, secure backend services and APIs.

• Define and evolve architecture for databases, microservices, and integrations.

• Own mission-critical projects end to end, from requirements to production and iteration.

• Troubleshoot and resolve complex performance and reliability challenges at scale.

• Drive improvements to CI/CD, observability, and engineering processes across teams.

• Collaborate with leadership to shape roadmap priorities and long-term technical vision.

• Mentor engineers, promote best practices, and represent us in client discussions.

Requirements

• 10+ years of backend software engineering, with leadership in fintech or blockchain.

• Mastery of TypeScript plus one or more systems (Rust, Go, C++).

• Proven track record building scalable APIs, infrastructure, and developer platforms.

• Deep expertise with databases (PostgreSQL, DynamoDB, NoSQL) and cloud (AWS).

• Strong knowledge of microservices, CI/CD pipelines, observability, and SSDLC.

• Familiar with applied cryptography, PKI, and secure backend architectures.

• Exceptional problem-solving, communication, and ability to influence technical direction.

Compensation & Package

• Title: Principal Software Engineer

• Salary: $220,000–300,000 per year (full-time)

• Equity: 150–300 stock options vested over 4 years

• Benefits: Healthcare, 401K, and travel expenses

• Location: United States (remote-first, office optional)

• Equipment: MacBook Pro + essentials

If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.