Sr. Smart Contract Engineer (SUI, Solana, and EVM) ⚡️

Confidential

Remote job permanent

Posted: January 30, 2026

Job Description

Who are we?

Phi Labs is a software development company, initially spun out of Tendermint with the launch of the Archway protocol, a Cosmos-based layer 1 blockchain designed to reward dapp developers.

At our core, we are a software engineering company focused on the Cosmos SDK and CosmWasm, state-of-the-art frameworks for blockchain development. Now expanding to SUI, Solana, and other ecosystems. Over the last year we have been grooming a DeFi product and now looking to expand our team.

How we work

We have team members working worldwide, from the Americas, Europe to the Middle East and Asia. We are very adaptive and agile with the team workflow to stay focused and address challenges of remote and strongly distributed team. Communication is vital to us, and we rely heavily on Slack, Google Workspace, Linear, Notion, and GitHub to help us stay in sync. Most of the technology we build is free and open source.

This role is a full-time remote position, and you’re free to work from anywhere. Be advised that most team meetings occur between 6:30 am and 10:00 am Pacific Time (UTC-8/-7). If you're applying from a location where these hours are outside your usual working hours, we expect you to adapt to our meeting times.

About the Role

You will play an integral part of the engineering team, building and maintaining a new DeFi product - Bolt Liquidity.

Phi Labs is seeking three talented and motivated Sr. Smart Contract Engineers (Rust) with experience in the SUI, Solana, and EVM ecosystems to join our engineering team. As the newest member of the team, you won't just be working on the “ordinary” – you'll be at the helm of pioneering web3 DeFi solutions on top of one of many blockchains! We’re pushing the boundaries of what's possible and your contribution will be integral and influential.

The Tech

• SUI, Solana, and EVM Ecosystems

• Rust, TypeScript, Move, Solidity

• Docker, Protobuf (prost), gRPC (tonic)

• GitHub actions, Buf

What’s in it for you

📍 Remote-first company with company off-sites and retreats (2-3x year)

🌎 Flexible, dynamic environment within a diverse international team

🧑‍💻 The scope to create and build high-impact work that makes a difference in the Cosmos ecosystem and blockchain industry as a whole

💸 6-month contract to hire. Attractive compensation package with a token allocation after 6 months

✈️ Generous time off to rest, recharge, and be your best

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