6h ago

Senior Backend Developer

Portugal

โœจ $120k-$160k / yearest.

internshipsenior Remote

๐Ÿ›  Tech Stack

๐Ÿ’ผ About This Role

You'll design and develop backend services for scalable fintech platforms, working on mission-critical digital asset and blockchain systems. This role offers collaboration with globally distributed engineering teams while building high-performance APIs and microservices.

๐ŸŽฏ What You'll Do

  • Design, develop, and maintain backend services and APIs
  • Optimize existing Node.js services for scalability and performance
  • Develop new microservices and backend solutions using RPC
  • Write and optimize complex database queries for reporting

๐Ÿ“‹ Requirements

  • 5+ years with JavaScript and Node.js
  • Experience with microservices architecture and distributed systems
  • Proven work on high-scale platforms
  • Hands-on with MySQL and MongoDB

โœจ Nice to Have

  • Blockchain or decentralized technology experience
  • Knowledge of Redis, message queues, caches, and background jobs
  • Exposure to Ruby and Ruby on Rails

๐ŸŽ Benefits & Perks

  • ๐Ÿ  Fully remote work
  • ๐ŸŒ Global team collaboration
  • ๐Ÿ’ฐ Competitive compensation
  • ๐Ÿ”— Exposure to fintech and blockchain
  • ๐ŸŒŸ Flexible work culture

๐Ÿ“จ Hiring Process

Estimated timeline: 2-4 weeks ยท AI estimate

  1. 1Recruiter Screenยท 30 min
  2. 2Technical Interviewยท 60 min
  3. 3System Design Interviewยท 60 min
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