Spire Labs - Senior Rust Engineer – Based Rollups (3)
deCircle · Zürich, Switzerland
- Company
- deCircle
- Work style
- Remote
- Employment
- Full Time
- Location
- Zürich, Switzerland
- Published
- 2025-06-12
- Source checked
- 2026-10-28
- Listing source
- Recruitee employer XML feeds
About this role
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
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