6h ago
Senior Backend Developer
Bulgaria
โจ $130k-$180k / yearest.
full-timesenior Remotefinance
๐ Tech Stack
๐ผ About This Role
You'll join a globally distributed engineering team building scalable backend systems for advanced digital finance and blockchain-powered technologies. You'll contribute to architecture, optimization, and security of critical infrastructure serving users worldwide. This role offers exposure to blockchain integrations, distributed systems, and high-availability architectures.
๐ฏ What You'll Do
- Design, develop, and maintain backend services and APIs for financial platforms
- Optimize existing Node.js services for reliability, scalability, and performance
- Write and optimize complex database queries for operational and compliance processes
- Contribute to platform scalability initiatives and real-time responsiveness
๐ Requirements
- 5+ years of professional experience with JavaScript and Node.js
- Strong understanding of microservices architecture and distributed systems
- Experience with relational and NoSQL databases (MySQL, MongoDB)
- Strong understanding of backend security and API protection best practices
โจ Nice to Have
- Familiarity with blockchain integration concepts
- Knowledge of Redis, message queues, caching systems, and job queues
- Experience with Ruby and Ruby on Rails
๐ Benefits & Perks
- ๐๏ธ Fully remote work environment
- ๐ก Innovative projects in blockchain and digital finance
- ๐ Career growth opportunities in a rapidly evolving tech environment
- ๐ Global collaboration with skilled international teams
- ๐ Dynamic culture encouraging ownership and creativity
๐จ Hiring Process
Estimated timeline: 2-4 weeks ยท AI estimate
- 1Recruiter Callยท 30 min
- 2Technical Interviewยท 60 min
- 3Team Fit Interviewยท 45 min
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