Defi Engineer

9 hours ago


Singapore TOKKA LABS PTE. LTD. Full time

**About the Role**
We are seeking a **DeFi Engineer**to drive protocol integrations and scale our trading infrastructure across multiple blockchains. This role covers the full gamut of **DeFi trading**from the development of data pipelines and smart contracts to the low-latency off-chain execution infrastructure. You will work closely with trading and research teams to ensure our systems are fast, reliable, and scalable across Ethereum and L2s, as well as other non-EVM ecosystems.

**Key Responsibilities**:

- Design and develop robust integrations with leading DeFi protocols
- Write and operate gas-efficient smart contracts to better interact with other protocols
- Optimize the execution pipelines for each chain (e.g. order routing and transaction broadcasting)
- Monitor and tune systems to benchmark and improve performance
- Ensure that systems are resilient and follow best practices

**Qualifications**:

- Experience in **DeFi protocol integration**and smart contract development.
- Proficiency in backend/system programming languages (Rust, Typescript preferred).
- Solid understanding of blockchain environments such as EVMs, SVMs and MVMs.
- Experience in the development of **latency-sensitive systems**, ideally in the trading domain.
- Experience with monitoring and performance tuning (Prometheus, Grafana, custom latency metrics).

**Nice to Have**
- Experience with **HFT market-making**.
- Contributed to DeFi or blockchain projects.
- Familiarity with MEV ecosystems, builder marketplaces, and advanced blockchain execution techniques.
- Experience scaling across heterogeneous blockchain environments.


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