Senior Software Engineer - Crypto in New York

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Job DescriptionJob DescriptionCareer Renew is recruiting for one of its clients a Senior Software Engineer - Crypto - this is a fully remote role for US/EU 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 Senior Software Engineer to design, develop, and scale the core backend services of our platform. You’ll own critical projects, from APIs and microservices to databases, integrations, and developer tooling, ensuring they’re fast, reliable, and secure. This role requires both hands-on engineering and strong collaboration as you’ll work with product, security, and engineering to turn complex requests into elegant, production-ready systems. You’ll be expected to move beyond writing code, i.e., contributing to architecture decisions, improving development processes, and keeping our infrastructure resilient under real-world financial workloads.

experience

Responsibilities

• Design, build, and maintain secure, scalable backend services and APIs (REST).

• Architect databases and microservices for performance, reliability, and growth.

• Own projects end to end: from requests, implementation to production and iteration.

• Troubleshoot complex issues, resolve performance bottlenecks, ensure resilience.

• Contribute to CI/CD pipelines, observability, and overall engineering excellence.

• Collaborate with product, security, and leadership on roadmap and technical direction.

• Document systems, share knowledge, and support client-facing discussions.

Requirements

• 8+ years of backend software engineering experience in fintech or blockchain.

• Strong in TypeScript, plus ideally at least one low-level (Rust, Go, C++).

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

• Expertise with databases (PostgreSQL, DynamoDB, NoSQL) and AWS services.

• Skilled in microservices, CI/CD pipelines, observability, and SSLDC practices.

• Familiar with applied cryptography, PKI, and backend security fundamentals.

• Strong problem-solving, clear communication, and ability to deliver under pressure.

Compensation & Package

• Title: Senior Software Engineer.

• Salary: $160,000-240,000 per year (full-time).

• Equity: 100-200 stock options vested over 4 years.

• Benefits: Healthcare, 401K, and travel expenses.

• Location: US or EU (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.