Halcyon is looking for an experienced Principal Kernel Engineer to contribute to our Windows agent’s ability to prevent, detect, respond, and remediate attacks. In this role, you will drive enhancements in multiple product domains allowing Halcyon’s product to better protect customers from the threat of ransomware. Responsibilities include collaborating with Engineering, Product, and Customer Success teams to help define new product features.

As the Senior Rust Engineer you will help design and implement core components of the Miden rollup. You will contribute to R&D efforts for the rollup architecture and help develop the Miden node and the Miden VM. You will work on cutting-edge technology, use advanced tools and modern programming languages, and learn about zero-knowledge proving systems.

We are seeking a Technical Writer to join our team and help create clear, concise, and well-structured documentation for our products and services. The ideal candidate will have a strong understanding of blockchain technology and a passion for translating complex technical concepts into accessible content. You will develop and maintain high-quality documentation and stay up-to-date with industry trends.

As a P2P Networking Protocol Engineer you will design, implement and maintain state of the art p2p protocols and decentralized storage solutions. Coordinate with the ongoing testing efforts to identify and eliminate instabilities in the existing codebase and bring it to production levels quality. Implement and design new features as part of roadmap milestones.

Make a significant contribution to Canonical's portfolio through high-quality code, technical leadership, team motivation and direction, exceptional design, and crisp documentation as a Staff Engineer. Drive the architecture, design and evolution of high-impact open source. Engage with the broader open-source community and build a thriving community. Contribute to a broad range of technologies.

Design, develop, test, deploy, maintain and improve software with a strong focus on customer-facing features. Become an expert in a system-level view of the SevenRooms architecture. Own and implement major features and architectural changes alongside other engineers. Be a role model and mentor to other engineers; assist in technical design reviews.

As an Engineering Manager, you'll help hire high-caliber Engineers, mentor and collaborate with team members, and drive processes that sustain a high-performance engineering team. The role requires refining the engineering roadmap, driving excellence, and creating technology strategy, showcasing expertise in tackling challenges and delivering solutions.

Develop, test, and deploy smart contracts on the Solana blockchain platform. Design and implement the backend logic of decentralized applications (dApps), ensuring the efficiency, security, and scalability of the code. Keep up with the latest developments in Solana blockchain technology and optimize existing system architecture.

Join the team responsible for the design and implementation of the zkSync smart contract platform: a zero-knowledge-proof-friendly virtual machine. Develop at L1 and L2, including system contracts (implemented in Solidity and Yul) and server side changes. Shape the future of the protocol through research, design, prototyping, engineering, and discussion with external partners.

As a Software Engineer, you'll play a key role in advancing our Ad Management Engine by developing new features, optimizing its performance, and driving its evolution. This includes writing highly efficient TypeScript code for the engine, designed to run directly in web browsers, and developing Rust-based server-side services to handle large-scale data processing. Joining a talented team, you'll tackle complex technical challenges.