# DeFi Engineer

> Ergonia · United States (Remote) · — · Posted 2025-11-27

**Workplace:** remote

**Department:** Ergonia Ltd (Trading)

## Description

### **About Ergonia**

Ergonia is a crypto-native trading firm with deep experience across DeFi and CeFi. We operate some of the most sophisticated, highest-volume trading systems in DeFi and actively trade across major centralized venues as well. Our work spans market making, yield strategies, and advanced on-chain execution.

We’re hiring a **DeFi Engineer** to help us expand to more chains, more protocols, and new trading strategies. You’ll work closely with traders, quants, and engineers in a fast-moving, high-performance environment.

### **What You’ll Do**

-   **On-Chain Data + Execution**

-   Build systems to read high-volume, low-latency data from blockchains.
-   Send and manage transactions in performance-sensitive environments.

-   **Smart Contract / On-Chain Program Development**

-   Design, implement, and deploy production smart contracts on Solana or EVM environments.

-   **System & Architecture Design**

-   Contribute to end-to-end exchange, execution, and data-pipeline architecture.

-   **Pragmatic Delivery**

-   Trading moves fast. You should be comfortable making decisions with imperfect information, handling trade-offs, and delivering working systems on tight timelines. We value engineers who can prioritise what matters, move quickly, and get things shipped. An ability to execute under pressure

-   **Remote Work Essentials**

-   Reliable high-speed internet and a suitable workstation setup for sustained development and communication.

## Requirements

### **Qualifitications**

-   **Experience**

-   4+ years of software development.
-   2+ years working in DeFi.
-   Proven delivery of production-ready DeFi systems on Solana or EVM.

-   **Knowledge**

-   Strong understanding of DeFi mechanics, trading systems, spot/margin trading, and on-chain execution.

-   **Mindset**

-   Self-driven, highly motivated, and comfortable operating in a fast-moving environment.
-   Strong communication skills in English.

### **Bonus Points**

-   Experience with low-level blockchain runtime or transaction-pipeline optimizations.
-   Experience landing high-volume transactions on Solana or EVM.
-   Background in market making or high-frequency trading.

## Apply

[Apply at Ergonia](https://apply.workable.com/ergonia/j/F1190AF87D/apply)

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