Zerion
Zerion2mo ago

Senior Backend Engineer

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EngineeringOtherBackend EngineeringSenior Backend Engineer
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Overview

We’re looking for Senior Backend Engineers to join our Platform team. This team builds and evolves the backend systems at the core of our products and customer-facing solutions. In this role,

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EngineeringOtherBackend EngineeringSenior Backend Engineer
We’re looking for Senior Backend Engineers to join our Platform team.
This team builds and evolves the backend systems at the core of our products and customer-facing solutions.
In this role, you’ll design and operate distributed systems, work with Web3 infrastructure, and collaborate closely with product and platform engineers to deliver reliable, scalable solutions.
We value strong ownership, thoughtful system design, and a high bar for code quality.
If you enjoy building solid systems, moving fast without cutting corners, and using modern tools (including AI) to work more efficiently, you’ll feel right at home with us.
  • 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.
  • 5+ years of experience designing and building distributed backend systems.
  • Strong foundation in algorithms, data structures, and software design patterns.
  • Hands-on Web3 experience is a plus: 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.
    •  
  • Experience with containerized systems: Docker & Kubernetes.
  • Databases: Postgres (SQL), MongoDB, Cassandra (NoSQL).
  • Monitoring & observability: Sentry, Prometheus, Grafana.
  • Hands-on experience with AWS.
  • Experience with Python 3.
  • Knowledge of Golang is a plus
  • Prior experience working in a startup environment with high trust and autonomy.
  • Located in time zones close to Europe.
  • Strong collaboration skills and respect for diverse perspectives.
  • Curiosity and willingness to challenge existing solutions when better ones exist.
  • Thoughtful use of AI as a productivity multiplier, while maintaining a deep understanding of underlying systems and trade-offs.
  • Screening Call – 30 minutes
  • Hiring Manager Interview – 45 minutes
  • Technical Interview – 60 minutes
  • System Design Interview – 90 minutes
  • Team Interview – 60 minutes
  • Founders Call – up to 60 minutes
  • Reference Check

    • Listing Details

    Posted
    February 2, 2026
    First seen
    March 26, 2026
    Last seen
    April 24, 2026

    Posting Health

    Days active
    28
    Repost count
    0
    Trust Level
    32%
    Scored at
    April 24, 2026

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    Zerion
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    At Zerion, we are on a mission to empower more people around the world with efficient, transparent, and censorship-resistant financial services.

    Employees
    30
    Founded
    2016
    Domain
    zerion.io
    Jobs
    View 1 jobs
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