7 days ago
Remote, United StatesSenior
Responsibilities
- Design and build blockchain integration services for transaction signing, deposit processing, and confirmation tracking across multiple networks.
- Build and maintain Go gRPC microservices within an event-driven architecture using NATS JetStream.
- Implement reliable transaction state machines with idempotency, distributed locking, and chain reorganization handling.
- Integrate with custody providers for secure transaction signing and wallet management.
- Monitor blockchain networks for deposits, confirmations, and anomalies.
- Participate in on-call rotation and respond to production incidents across blockchain infrastructure.
- Communicate directly with client technical teams when necessary.
Requirements
- At least 5 years of software engineering experience, preferably in FinTech.
- Deep proficiency with Go.
- Understanding of blockchain technologies, protocols, and applications.
- Experience with gRPC and Protocol Buffers.
- Familiarity with message brokers or event streaming systems such as NATS or Kafka.
- Experience with MongoDB or other document databases.
- Understanding of SQL and relational database schema design.
- Strong problem-solving, troubleshooting, communication, and independent execution skills.
- Bachelor's degree in computer science or equivalent experience is preferred.
- Experience in banking-as-a-service, brokerage-as-a-service, or payment-as-a-service is preferred.
- Experience with digital assets or centralized exchanges is preferred.
- Experience integrating blockchain custody platforms such as Fireblocks or BitGo is preferred.
- Experience with distributed systems patterns, smart contracts, Kubernetes, and observability tooling is preferred.
Benefits
- Participation in an on-call rotation is part of the role.
- Colorado candidates may request compensation and benefits information by contacting zerohash.
Tech Stack
Categories
About Zero Hash
Zero Hash provides API-based crypto, stablecoin and tokenized-asset infrastructure for fintechs, brokerages, and consumer platforms, covering custody, liquidity, on/off-ramps and settlement. It sells B2B embedded services and compliance tooling so clients can add trading, payments, and payouts without handling digital-asset regulation directly. Founded in 2017 and headquartered in Chicago, it is privately held and powers brands such as Interactive Brokers, Stripe and DraftKings across U.S. and international markets.