Rust Engineer (m/f/d)

Our models need to respond in real time. The software you build will directly influence how fast and reliable they are in an actual conversation.

What You'll Do

• Build in Rust: Develop our inference engine and other core components of the model stack. Take projects from the first architectural decisions to running in production.
• Design the Architecture: Decide how components and services communicate, where responsibilities belong, and how we can extend the system without making it harder to work on.
• Work on Real-Time Systems: Build async Rust systems that handle concurrent workloads and streaming audio with low latency.
• Improve Performance: Find bottlenecks, understand what's causing them, and improve latency, throughput, and resource usage.
• Write Production-Ready Code: Build software that we can test, debug, and operate reliably. Help improve our tooling, documentation, and development practices along the way.

What We're Looking For: Must-Haves

• Strong hands-on experience with Rust , including ownership, borrowing, composition, and idiomatic Rust design patterns.
• Solid experience with async Rust . You know how to structure concurrent applications and deal with synchronization, cancellation, and backpressure.
• Experience building and working with microservice architectures .
• A true startup mindset: You are comfortable navigating the glorious chaos of an early-stage codebase. Inconsistent structures, missing docs. You name it, you'll help fix it.
• Drive and Vision: You aren't just looking to blindly process Jira tickets. You want to actively shape the product, architect solutions, and take complete project ownership.

Ideally, You Also Bring

• Knowledge of actor systems and experience using actors to structure concurrent applications.
• Experience with real-time systems , whether in embedded environments or the cloud. Both are relevant to us.
• Experience with C/C++ interoperability , including generating Rust bindings with bindgen .
• German , spoken and written.

Nice-to-Haves

• Experience with CUDA or GPU computing .
• Contributions to open-source projects .
• Python knowledge.
• Experience with lower-level performance engineering, such as debugging memory leaks or understanding performance at the machine instruction level.

What We Offer

• Technical Ownership: Our Rust stack is central to the company. You'll have the trust and freedom to make architectural decisions and see them through.
• True R&D Freedom: We give you the time, resources, and trust to research and build technology that simply doesn't exist yet. There are difficult problems here, and room to try different approaches.
• Competitive Compensation: We are well-funded by top-tier VCs. We offer a highly competitive salary. We are looking for top talent, and we are ready to pay for it.
• Serious Compute: You will have access to the hardware and cloud infrastructure necessary to build, test, and optimize the systems running our models.

Deepslate is an equal opportunity employer. We welcome applications from all qualified candidates regardless of gender, nationality, ethnic origin, religion, disability, age, or sexual orientation.

Compensation: €75K – €120K • Offers Equity

• • €75K – €120K • Offers Equity

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Source: Statistisches Bundesamt (Destatis), table; dl-de/by-2-0; StarIn's calculation

Listed on a job portal Nov 09, 2026

"relocation support"