Zerion · 21 hours ago
Senior Backend Engineer
United States
Full-time
Remote
Senior Level
5+ years expZerion is a leading company in the crypto space, and they are seeking Senior Backend Engineers to join their Platform team. The role involves designing and maintaining scalable distributed backend systems, collaborating with product and engineering teams, and ensuring high standards of code quality in a fast-paced startup environment.
Asset ManagementBlockchainCryptocurrencyDecentralized Finance (DeFi)EthereumFinanceFinTech
Responsibilities
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
Qualification
Required
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
Excellent knowledge of Golang
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
Preferred
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
Benefits
Medical insurance
Coworking membership
Unlimited Days Off and Flexible Work Schedule
Remote Work Essentials
Stock Options
Relocation
Travel
Company
Zerion
Zerion is an all-in-one interface that allows technical and non-technical users to acquire, track and manage DeFi assets.
11-50 employees
H1B Sponsorship
Zerion has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
2024 (1)
2022 (1)
Funding
Current Stage
Growth StageTotal Funding
$32.99MKey Investors
Wintermute VenturesMosaic VenturesPlaceholder
2022-10-11Series B· $12.3M
2022-08-17Series Unknown· $10.49M
2021-07-07Series A· $8.2M
Leadership Team
Alexey Bashlykov
Co-Founder, CTO
Vadim Koleoshkin
Board Member & Co-Founder
Recent News
Electronic Payments International
2026-01-11
2026-01-09
2025-10-03
Company data provided by crunchbase