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Smart & Social Web3 Wallet. Explore, build & track your DeFi & NFT portfolios - on any chain, dApp, and wallet.
Senior Backend Engineer
Location
Portugal
Posted
130 days ago
Salary
0
Seniority
Senior
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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