Merciv is a user-owned neobank focused on decentralized finance. They are seeking a core backend engineer to build scalable backend systems that interact with onchain infrastructure and support financial products.
Responsibilities:
- Build systems for institutions to create and manage SuperVaults
- Design and implement backend APIs, services, and real-time data pipelines connecting apps to onchain systems
- Collaborate with researchers to improve strategy performance, automate rebalancing, and implement account abstraction flows (ERC-4337 / ERC-7579)
- Maintain high standards for reliability, monitoring, alerting, and incident response
- Contribute to code reviews, architecture decisions, and engineering practices
Requirements:
- Degree in Computer Science, Engineering, Mathematics, or equivalent mastery
- Production experience with Go
- Experience with SQL & scalable data stores like Postgres, ClickHouse, or Dagster
- Fluent with blockchain concepts — vault products, subgraphs, JSON-RPC/Web3, and basic Solidity understanding
- Availability to overlap 09:00–13:00 ET (13:00–17:00 UTC) for standups and pair sessions
- Ability to meet SLA standards, including 24×7 uptime expectations
- Asset management or other traditional finance experience
- Deep expertise in on-chain data indexing or real-time market data feeds
- Prior work with account abstraction (ERC-4337) or smart-contract wallets
- Experience scaling high-volume financial exchanges, HFT systems, or DeFi protocols
- Belief in aliens