influencers launch Rooms, run drops/missions, and monetize Originals built on top of certified game engines—powered by an AI Host layer and programmable incentives designed for high-frequency sessions and measurable creator performance.
This role helps us scale creator-led distribution, room economics, and session-velocity gameplay—without compromising trust, compliance, or margin.
Role Overview
We’re hiring a Blockchain / Crypto Engineer to build and operate the crypto money-movement layer of our casino—wallet infrastructure, transaction processing, confirmations, reconciliation, and reliability at scale.
This is a backend-heavy role. You’ll work on systems that must be ledger-safe, retry-safe, and production-hardened.
Core Tools & Systems (where this role operates)
Fireblocks (custody, policy controls, transaction lifecycle)
Node.js + TypeScript (backend services)
Python (ops tooling, reconciliation scripts, simulations, automation helpers)
GraphQL + REST (API gateway, schema design, domain boundaries)
PostgreSQL (ledgers, transactions, constraints, auditability)
Redis (caching, idempotency keys, rate/velocity controls)
Kafka / SQS / EventBridge (event-driven processing, settlement pipelines)
Docker + Kubernetes (runtime, scaling, deployment patterns)
Terraform (infra-as-code for production environments)
AWS Architecture (cloud-native patterns, security, observability, scaling)
gRPC/WebSockets (internal service-to-service calls + real-time updates, when applicable)
EVM & Wallet Libraries (ethers.js/web3.js, web3.py, chain RPC providers)
Smart Contract Tooling (when applicable) (Hardhat/Foundry, ABI handling)
On-chain monitoring / screening tools (wallet risk screening and transaction monitoring, when applicable)
Claude (agent creation, internal automations, AI-assisted testing/specs)
Go and/or Rust (performance-critical services, chain/indexing systems)
Responsibilities
Design and maintain systems supporting session-based settlement with high transaction velocity
Ensure reliability under spikes: idempotency, retry safety, ledger correctness, reconciliation, and observability
Build infrastructure that enables programmable incentives and rapid settlement without compromising safetyBuild wallet infrastructure services: address generation, balance tracking, deposit/withdraw flows, and transaction state machines.
Implement on-chain/off-chain synchronization: confirmations, reorg handling, retries, and reconciliation against internal ledgers.
Design and maintain transaction processing that is idempotent, audit-friendly, and safe under concurrency.
Build monitoring and alerting for stuck transactions, fee spikes, chain congestion, and provider degradations.
Support chain data access and indexing patterns (events, transfers, confirmations) as needed for product and ops.
Partner with Ops/Risk to ensure high reliability in peak traffic moments.
Required Skills & Experience
4+ years engineering; 2+ years in crypto systems, with crypto casino / crypto gaming wallet flow experience.
Strong backend fundamentals (API design, distributed systems, retries/idempotency, observability).
Proven experience building transaction/ledger systems with strong data integrity guarantees.
Security-first mindset (secrets management, threat modeling, permissions, auditability).
Strong incident response and debugging skills.
Nice to Have
Experience designing high-throughput transaction systems and safe settlement primitives for consumer-scale usageExperience with EVM tooling, smart contract interaction patterns, and chain monitoring.
Experience designing ledger-safe transaction state machines and reconciliation pipelines.
Experience with security reviews and threat modeling for custody integrations.
Experience building runbooks, on-call playbooks, and postmortem processes.