Senior Rust Engineer (80-100%)

pThreema is the world’s best-selling secure messenger for both private users and businesses. Since 2012, we have been working tirelessly to ensure that our users can communicate freely without worrying about their privacy. Our growing user base includes millions of private customers and thousands of businesses and organizations from all over the world.brWe are growing and looking for a new team member to join as abrstrongstrongSenior Rust Engineer /strongBackendstrong (80-100%)br/strong /strongstrongThe rolebr/strongWe're looking for a senior engineer to help design and build the core services behind our messaging backend. You'll work on the systems that handle message delivery, real-time presence, and end-to-end encryption at scale. Most of our backend is written in Rust, and we're expanding it further.brYou'll join a small team of engineers who care about correctness, performance, and keeping things simple. Expect to write production code, review other people's code, and have a say in architecture decisions from day one.brWhat you'll dobrulliDesign and build backend services in Rust that handle high-throughput, low-latency messaging traffic /liliWork on core infrastructure: message queues, delivery guarantees, connection handling, and storage layers /liliDebug and optimize systems under real production load, not just in benchmarks /liliReview code and mentor other engineers on Rust patterns and systems design /liliTake ownership of a service end to end, from design through deployment and maintenancebr/li /ulstrongWhat we're looking forbr/strongulli10+ years of professional software engineering experience, with at least 2 years writing Rust in production /liliSolid understanding of concurrency, memory management, and systems programming /liliExperience with distributed systems: what happens when a network partitions, a node dies, or a queue backs up /liliComfort working close to the metal when needed, whether that's networking, storage engines, or protocol design /liliExperience in working on scalable, low-latency, high-throughput systems. /liliGood communication skills. You'll need to explain trade-offs to people who don't write Rust /liliA degree in computer science or equivalent experience. We care more about what you've shipped than where you studiedbr/li /ulstrongNice to havebr/strongulliExperience with async Rust (Tokio or similar) /liliBackground in messaging protocols, telecom, or real-time systems /liliContributions to open source Rust projects /liliExperience with encryption or security-critical systemsbr/li /ulstrongWhat We Offerbr/strongulliA young, motivated team with straightforward communication /liliFlexible working hours, option to work from home up to two days per week /liliOption to work from anywhere for two weeks per year /liliOption to take unpaid leave /liliYou can choose your own hardware (macOS or Linux) /liliPublic transportation discount or parking space (electric car charging available) /liliFree use of fitness room, including a fitness trainer once a month /liliProfessional massage once a month /liliInternal German or English courses /liliA great coffee machine ;-) /liliRegular company events and aperitifs /liliThe good feeling of contributing to the effective protection of the privacy of millions of peoplebr/li /ulstrongPlace of work: /strong Pfäffikon SZ (Greater Zurich Area)brstrongStart date /strong: Immediately or by agreementbrHave we sparked your interest?brWe believe that diverse teams build better products. We welcome and encourage applications from people of all backgrounds, and perspectives. Your unique experience is an asset, and we’d love to hear from you.bremApplications sent via email cannot be considered. Please use the official "Apply" button below so we don't accidentally miss your resume in our crowded inboxesbr/emFor agencies: we are filling this role directly and do not accept unsolicited candidate profiles. /p #J-18808-Ljbffr