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Ubique Systems

Blockchain Developer

Ubique Systems
Poland · Contract · Associate

Job Title: Blockchain Developer

Location: Warsaw, Poland (Hybrid - 2 days onsite in a week)

Duration: 6 Months (extendable)

Employment Type: Contract B2B


Roles & Responsibility:


  • Candidate should be able to work/overlap with US hours till 2PM PST
  • 5+ years of work experience with a Bachelor’s Degree or 4 +years of relevant experience with an Advanced Degree (e.g. Masters, MBA, JD, MD)
  • Strong backend programming experience using Java, Javascript, NodeJS
  • Good experience in building scalable, high-performing distributed systems including APIs, orchestration layers, 3rd party integrations, monitoring & alerts, and high availability
  • Good experience in the entire Secure Software Development Life cycle including version control, CI/CD, unit-testing and performance testing
  • Experience with blockchain technologies (public and permissioned), De-Fi apps, security protocols, private key custody, distributed ledgers – Bitcoin, Ethereum, Hyperledger etc.
  • Full-stack software development experience a plus
  • Motivated and fast learner of new technologies to solve complex problems
  • Experience in payments and financial services compliance, payments ecosystems and payment processing flows
  • Strong interpersonal, facilitation, and leadership skills along with effective communication (both written and verbal) skills and the ability to present complex ideas in a clear, concise way; ability to influence and develop relationships with key partners

Key Skills

Ranked by relevance

blockchain javascript java cicd
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Posted
May 19, 2025
Type
Contract
Level
Associate
Location
Warsaw

Industries

IT Services IT Consulting

Categories

Information Technology

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