Spire Labs - Senior Rust Engineer – Based Rollups (3)
deCircle · Remote · Posted June 12, 2025
- Who can apply
- Switzerland
Remote job; Zürich, Switzerland
- Pay
- Not stated in the posting
- How you’d be employed
- Employee
- Level
- Senior
- Location in the posting
- Remote job · Zürich, Switzerland
- Skills required
- Rust, Systems programming, Concurrency, Ethereum, Rollups, Optimistic rollups, ZK-rollups, Cairo, zkVMs, Succinct
Analyzed from the full posting. Quotes are the posting’s own words.
From the posting
At Spire Labs, we’re building the future of rollup infrastructure with a bold vision: synchronous cross chain composability.
Today, rollups are siloed. Developers are forced to choose between scalability and interoperability. We think that’s a false choice.
Spire is creating a modular rollup framework that allows chains to remain sovereign while achieving cross chain synchronous composability—no trusted bridges, no brittle async calls.
We’re pioneering a new architecture where:
- App-specific L3s can interoperate as smoothly as contracts on Ethereum.
- Shared sequencing, preconfirmations, and unified execution environments unlock atomic, cross-chain interactions.
- Developers no longer need to choose between performance and composability.
“Imagine every rollup could synchronously compose with every other. No bridges, no delay, no fragmentation. Just fast, seamless cross-chain UX. That’s the future we’re building.”
We’re early-stage, ambitious, and backed by some of the best minds in Ethereum. Come help us build the L3 Based Appchain Stack—an open, composable future for rollups.
- 5+ years of software engineering experience, with strong focus on production grade Rust
- Deep understanding of systems programming, concurrency, memory safety, and performance optimization
- Experience with Ethereum or other blockchain systems (client implementations, zk tooling, rollups, etc.)
- Familiarity with L2 architectures like optimistic rollups, zk-rollups, modular stacks
- Bonus: contributions to open-source Rust or crypto projects, familiarity with Cairo, zkVMs, Layer Zero, Succinct