
Full Stack Engineer
Haystack · United States
- On site
- Full-time
- United States
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About the role
We're working with a leading digital product engineering company that designs and develops chip-to-cloud software products, platforms, and digital experiences that empower its clients to achieve higher revenues and operational efficiency. They are Great Place to Work Certified in 10 countries and recognized as one of the Best Tech Brands 2024.
The Role
The Role
- Own customer-facing features end-to-end, across the client and the backend.
- Build and evolve a Finder-grade file browser, bridging AppKit into SwiftUI.
- Design and evolve gRPC / Protobuf contracts between the app and the agent.
- Work in a large Rust workspace of shared crates, built to run reliably on customers' machines.
- Ship native applications with code signing, entitlements, notarization, sandboxing, launchd services, and real observability.
- Balance speed, performance, and future scalability.
- Experience with Swift and SwiftUI with real AppKit experience, including NSCollectionView, NSTableView, NSBrowser, NSPathControl via NSViewRepresentable.
- Proficiency in Rust (async/tokio) within a large workspace of shared crates.
- Strong concurrency and async skills on both Swift (async/await, MVVM, @Observable) and Rust (tokio/futures).
- Experience with gRPC / Protocol Buffers for designing and evolving versioned RPC contracts.
- Fluency with macOS platform features such as launchd services, code signing, entitlements, notarization, sandboxing, and os.Logger.
- Strong candidates may have experience with GraphQL client work, filesystem internals (FUSE / FSKit / WinFSP, NFS mounts), P2P and networking systems (WebRTC, NAT traversal), or cross-platform systems thinking.
- Frequent Internal Hackathons with exciting prizes.
- Diverse Project Exposure across sectors like Healthcare, Banking, e-commerce, and Retail.
- Centre of Excellence (COE) for technical guidance and upskilling opportunities.
- E-Learning Platform coupled with a robust mentorship program.