Job Closed

This listing is no longer active.

Zerion logo
Zerion

Smart & Social Web3 Wallet. Explore, build & track your DeFi & NFT portfolios - on any chain, dApp, and wallet.

Senior Backend Engineer

Backend EngineerSoftware EngineerFull TimeRemoteSeniorTeam 11-50Since 2016H1B SponsorCompany SiteLinkedIn

Location

Portugal

Posted

130 days ago

Salary

0

Seniority

Senior

Bachelor Degree5 yrs expEnglishBlockchain / Web3

Job Description

Senior Backend Engineer

Zerion

• Design, build, and maintain scalable distributed backend systems powering platform and product capabilities • Own backend services end-to-end: from architecture and implementation to monitoring and long-term reliability • Work closely with product and engineering peers to actively shape product decisions — not just execute specs • Build and evolve Web3 platform backend components, including protocol integrations, support for newly emerging blockchain networks, and reliable interactions with smart contracts • Ensure high standards of code quality, performance, security, and observability • Operate comfortably in a fast-paced startup environment, balancing speed and correctness • Leverage AI-assisted tools to improve development velocity, code quality, and personal productivity • Contribute to technical discussions, reviews, and mentorship within the engineering team

Job Requirements

  • 5+ years of experience designing and building distributed backend systems
  • Strong foundation in algorithms, data structures, and software design patterns
  • Hands-on Web3 experience: Blockchain systems, dApps, Smart contracts
  • Strong ownership mindset — you take responsibility for outcomes, not just tasks
  • Clear, proactive communication in a distributed, async-first team
  • Ability to make pragmatic decisions: knowing when to move fast vs. go deep
  • High learning velocity and adaptability, especially when new tools or approaches (including AI-driven ones) improve results

Benefits

  • Receive a competitive salary
  • Medical insurance
  • Coworking membership
  • Additional benefits
  • Unlimited Days Off and Flexible Work Schedule
  • Remote Work Essentials
  • Stock Options
  • Support for relocation for you and your family
  • Join your colleagues on trips to industry festivals and events
  • Fully remote team with members worldwide

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