Senior Backend Engineer (Web3)

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● We are hiring a Senior Backend Engineer for a blockchain data and risk monitoring product.
● Company:
● Format: Remote
● Engagement: Full-time / Project-based
● Salary: starting at 5000$. Discussed personally.
● Responsibilities: Develop backend systems for collecting and processing blockchain data
Build APIs for wallet screening, risk scoring, and transaction analysis
Create background workers for large-scale data processing
Work with databases, queues, indexers, and external data providers
Optimize services for speed, stability, and high request volume
Support monitoring, logging, and production deployments
● Required skills: Python
FastAPI
PostgreSQL, ClickHouse, Redis
Celery, Kafka, or RabbitMQ
REST APIs
Docker, Linux, Git, CI/CD
Experience with data-heavy backend systems
● Web3 experience: Reading blockchain transactions and smart contract events
Working with EVM networks and RPC providers
● Nice to have: Go or Rust
Fraud detection or AML-related experience
Elasticsearch / OpenSearch
Cloud infrastructure experience
Knowledge of DeFi protocols and on-chain analytics
● Project description: We are developing a risk monitoring system for crypto wallets and transactions. The platform helps fintech companies, Web3 teams, and crypto services detect suspicious activity, analyze wallet behavior, and monitor transactions in real time.
● Applying: Send your CV, LinkedIn and GitHub.
● Contact: Показать контакты