HubMub
-
N-iX

Senior Software Engineer, Backend Java

N-iX
Ukraine · Full-time · Mid-Senior
We are looking for a Senior Backend Software Engineer to join a leading, fully regulated US-based digital asset trading platform. The platform provides secure, low-latency access to cryptocurrency markets, serving as a bridge between traditional finance and the Web3 ecosystem.

Responsibilities:

  • Build and maintain high-performance backend services and APIs that power the core trading platform.
  • Work with distributed systems and microservices architecture to handle thousands of transactions per second with low latency.
  • Ensure security, compliance, and reliability in a highly regulated financial environment.
  • Explore and implement blockchain technologies, including node syncing, client tooling, and multi-chain integration.
  • Collaborate with cross-functional teams: product, DevOps, security, compliance, and analytics.
  • Contribute to system architecture, code quality, and engineering best practices, mentoring peers and driving technical excellence.

Requirements:

  • 6+ years of professional software engineering experience.
  • Strong proficiency in Java and experience with distributed systems.
  • Experience in performance optimization, low-latency systems, and microservices.
  • Knowledge of security and compliance in regulated financial environments.
  • Interest or hands-on experience in blockchain, crypto infrastructure, or decentralized systems.
  • Strong collaboration and mentorship skills in a fast-paced, cross-functional environment.

We offer*:

  • Flexible working format - remote, office-based or flexible
  • A competitive salary and good compensation package
  • Personalized career growth
  • Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
  • Active tech communities with regular knowledge sharing
  • Education reimbursement
  • Memorable anniversary presents
  • Corporate events and team buildings
  • Other location-specific benefits
  • not applicable for freelancers

Key Skills

Ranked by relevance

blockchain cryptocurrency microservices devops java
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Posted
Mar 19, 2026
Type
Full-time
Level
Mid-Senior
Location
Ukraine
Company
N-iX

Industries

Construction Software Development IT Services IT Consulting

Categories

Engineering

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