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Sr Blockchain/Backend Engineer (DeFi)




Sr Backend / Blockchain Engineer role:

We are in search of an enthusiastic and self-motivated individual to join a team building and scaling the next-generation infrastructure. In this role, you will have the unique opportunity to lay the foundations of what could become the next unicorn, all while immersing yourself in the intricacies of web3 through collaboration with experienced team members. The team boasts a wealth of knowledge in web3, MEV (Miner Extractable Value), and custody, providing an environment where you can learn and contribute to cutting-edge developments in these domains.

At the core, our client aspire to streamline blockchain interactions by consolidating diverse calls into easily accessible one-click actions. Our clients mission is to bridge the gaps between various decentralized finance (DeFi) ecosystems, enabling individuals to engage seamlessly with all participants in the ecosystem through a single, user-friendly API. Our clients commitment lies in simplifying the complexities of blockchain, making it accessible to everyone.

About the Backend Blockchain Role:

As a key contributor to our clients organization, you will play a pivotal role in establishing the foundational elements of the entire operation through your technical expertise. Utilizing a pragmatic and analytical approach, you will be responsible for defining, scoping, and implementing new features while upholding the standards of high-quality code.


- Develop backend services that seamlessly interact with contracts across multiple chains.

- Collaborate closely with our Smart Contracts team to enhance existing contracts and optimize their utilization.

- Engage with the internal team to facilitate the deployment of backend services.

- Conduct research and integrate decentralized finance (DeFi) protocols into our systems.

- Present innovative ideas for improving services, processes, and products.

- Contribute to the creation and maintenance of documentation.


- Extensive experience in backend engineering.

- Proficiency in Node.js and Typescript.

- Understanding of Ethereum, its JSON RPC, and EVM.

- Prioritize security in the development process.

- Proficient knowledge of code versioning tools, such as Git.

Nice to Have:

- Awareness of the broader impact of your code on both the product and users.

- Capability to write smart contracts in Solidity.

- Experience and/or interest in Rust.

If you think you have what's needed to succeed in this role, don't hesitate and apply to it and contact Andrés Altuve for more information.

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