Senior Fullstack (Go + React) / Blockchain Engineer

Join 10arx as a Senior Fullstack Engineer to build reliable trading infrastructure for prediction markets using Go and React.

Work remotely with a competitive salary.

10arx is an AI-native trading terminal for prediction markets, featuring on-chain execution and integrations with Polymarket, Kalshi, and DEX.

The project is in its early stages, characterized by a fast pace and a small team.

## What you'll do

• •Design and develop on-chain execution.
• •Handle transactions, contracts, wallet management, and gas.
• •Integrate with prediction market platforms and DEX.
• •Build real-time data pipelines.
• •Implement trading strategies.
• •Develop backtesting infrastructure.
• •Set up monitoring and alerting.
• •Develop interfaces using React.

## Conditions

• •Full ownership of the direction.
• •Direct interaction with CTO and founder.
• •Remote, contractor.
• •Competitive salary.

• •4+ years of Go (production).
• •Experience with blockchain.
• •Solidity (reading and interacting with contracts).
• •Real-time systems (WebSocket, streaming, event-driven).
• •React + TypeScript (independent UI development).
• •Experience with CEX / DEX API.
• •Python (scripts, backtests, data processing).
• •Experience in fintech / crypto / DeFi / trading / prediction markets is mandatory.
• •Work with systems where errors can lead to financial loss.
• •Active use of LLM tools.