Senior Fullstack Developer / Blockchain Engineer

Join 10arx as a Senior Fullstack Developer to build trading infrastructure for an AI-native terminal.

Work remotely with a small, fast-paced team.

10arx is an AI-native trading terminal for prediction markets, focusing on on-chain execution and integration with platforms like Polymarket and Kalshi.

The company is in its early stages, operating at a fast pace with a small team.

## What you'll do

• •Design and build on-chain execution systems: transactions, contracts, wallet management, gas optimization.
• •Integrate with prediction market platforms and DEX.
• •Build real-time data pipelines: collect, normalize, and process market data.
• •Implement trading strategies in code.
• •Develop backtesting infrastructure for strategy validation.
• •Create monitoring and alerting systems.
• •Develop frontend in React for management, monitoring, and visualization.

## Conditions

• •Full ownership of trading infrastructure direction.
• •Direct interaction with CTO and founder.
• •Remote work, contractor position.
• •Competitive salary.

• •4+ years of production experience with Go.
• •Real experience with blockchain.
• •Ability to read and interact with Solidity contracts.
• •Experience with real-time systems: WebSocket, streaming data, event-driven architecture.
• •Fullstack development skills: React + TypeScript.
• •Experience with exchange APIs (CEX or DEX).
• •Python as an additional language.
• •Experience in fintech, crypto, DeFi, trading, or related domains.
• •Use of AI tools in development.
• •Native Russian and working English.