Rust Developer

OPSWAT , a global leader in IT, OT , and ICS critical infrastructure cybersecurity, delivers an end-to-end platform that gives public and private sector organizations and enterprises the critical advantage needed to protect their complex networks, secure their devices, and ensure compliance. Over the last 20 years our commitment to innovative technology has earned the trust of more than 1,700 organizations, governments, and institutions globally, solidifying our role in protecting the world’s critical infrastructure and securing our way of life. The Position We are excited to welcome an experienced Software Engineer (Rust) to our expanding Technology Office team in Budapest.   In this mid-level position, you will contribute to the development and enhancement of high-performance Rust software that supports our products across on-premise, cloud, and hybrid deployments. You'll work with the modern Rust ecosystem and supporting tools to build reliable, safe, and efficient code as part of impactful projects. A key focus of the role is helping the Data Science team build a unified SDK that makes their AI-based features easy to integrate into Aether.   Joining a collaborative global team (with members in Vietnam, Spain, Romania, UK, US, Georgia, and Hungary), you'll work closely with senior engineers — both locally and remotely — in a supportive, international environment that values growth and innovation.   What You Will be Doing Work with the Engineering Manager and Hungary-based team to plan, design, implement, and maintain Rust components and applications   Work closely with the Hungarian Data Science team, helping them build a unified SDK that wraps their AI-based models so these features can be integrated easily into Aether   Review requirements, contribute to feature design, and implement clean, idiomatic, maintainable Rust code   Write and maintain unit and integration tests; participate in code reviews to ensure quality and best practices   Create and update technical documentation for your work, including rustdoc for public APIs   Help identify opportunities for code improvements and participate in team discussions on enhancements   Collaborate with global engineers to deliver secure, reliable, and performant software   Support junior engineers through code reviews and pair programming, and keep growing into advanced systems topics   What We Need from You   Good foundation in Software Engineering principles   Good knowledge of Rust: ownership, borrowing and lifetimes, traits and generics, and idiomatic error handling with Result   Familiarity with Cargo and the Rust toolchain (rustup, clippy, rustfmt)   Good understanding of:   Concurrency in Rust: threads, Send / Sync , atomics, and synchronization primitives ( Mutex , RwLock , channels)   Thread pools and producer-consumer patterns   Common approaches to avoiding lock contention and race conditions   Has experience with Docker/containerization   Good knowledge of Semantic Versioning (SemVer) and dependency management with Cargo (workspaces, crates, feature flags)   Experience or familiarity with CI/CD pipelines (TeamCity preferred)   Solid grasp of design patterns, trait-based composition, and writing clean, readable code   Proficiency in English   It Would be Nice if You Had Understanding of OS-level file and process behavior on Windows and/or Linux   Experience designing SDKs or library APIs, or packaging ML models for inference (e.g., ONNX Runtime)   Experience with async Rust (e.g., Tokio) or with unsafe Rust and FFI boundaries   Hands-on experience with performance work (e.g., profiling with tools like flamegraph, benchmarking with criterion, memory allocation awareness)   Familiarity with AWS basics (S3, API Gateway, DocumentDB) or similar cloud services   Any background in cybersecurity (AV, EDR, sandboxing), compression, parsers, SIMD, or ML concepts   Why You’ll Love Working Here   Stable, growing international company with a strong global customer base   Supportive, professional, and diverse team spanning multiple continents   Real challenges and meaningful ownership on cutting-edge projects   Modern Rust technology stack with opportunities to learn advanced systems programming   Mentorship, career growth, and exposure to international collaboration   OPSWAT is an equal opportunity employer. We celebrate diversity and are committed to providing an environment where equal employment opportunities are extended to all employees and applicants, free of discrimination and harassment of any type. All employment decisions are based on individual qualifications, job requirements, and business needs without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other category protected by federal, state, or local laws. Recruiting Agencies: we do not accept unsolicited resumes from third party agencies for any of our open positions. To submit resumes for our jobs, there must be a recruiting contract approved by our legal team and endorsed by both parties. We are currently not accepting additional 3rd party agencies at this time.  

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