Senior Software Architect (100% Remote - Worldwide)
On-site · Dublin, Leinster, Ireland or Rome, Lazio, Italy
Job Summary
Senior Software Engineer to design, build, and scale backend systems powering tokenization infrastructure for global fintech and blockchain platforms. Responsibilities include designing and maintaining scalable backend services and APIs in Node.js, supporting blockchain integrations, token operations, permissions, and operational tooling, and improving observability, reliability, and performance. The role involves collaborating with product and engineering teams, translating requirements into scalable technical solutions, and contributing to architecture discussions, technical decisions, and engineering best practices. Required: 5+ years of backend experience, strong Node.js expertise, distributed systems and cloud infrastructure knowledge, experience with databases and microservices, familiarity with blockchain/digital asset ecosystems (including Ethereum/EVM), solid debugging skills, and excellent English communication.
Required Qualifications
- 5+ years of backend software engineering experience
- Strong hands-on Node.js expertise
- Experience building scalable backend systems and APIs
- Strong understanding of distributed systems and cloud infrastructure
- Experience with databases, asynchronous systems, and microservices architectures
- Familiarity with blockchain infrastructure and digital asset ecosystems
- Strong debugging and problem-solving skills
- Experience working in fast-paced engineering environments
- Experience with financial infrastructure or fintech platforms
- Familiarity with Ethereum and Ethereum Virtual Machine (EVM) ecosystems
- Understanding of token standards and blockchain transaction workflows
- Experience with monitoring and observability tooling
- Excellent English communication skills
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