{"id":461745,"url":"https://alion.io/job/cyberhaven-senior-software-engineer-macos-endpoint","title":"Senior Software Engineer (MacOS Endpoint)","company":{"id":177788,"name":"Cyberhaven","domain":"cyberhaven.com","url":"https://alion.io/company/cyberhaven","size_band":"11-50","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":81,"open_postings":4,"ghost_share":0,"stale_share":0.75,"repost_share":0,"time_to_fill_p50_days":36,"computed_at":"2026-10-30T05:48:23Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":{"label":"ET","utc_offset_min":-5,"utc_offset_max":-5},"hiring_geo_confidence":"explicit","locations":[],"countries":[],"hiring_countries":["IN","PL","RO"],"hiring_countries_total":3,"salary":null,"salary_estimate":{"min_usd":22000,"max_usd":48000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":21},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Crowdstrike","optional":false},{"name":"DLP","optional":false},{"name":"Scrum","optional":false}],"status":"live","first_seen_at":"2026-04-10T11:34:14Z","employer_posted_date":"2026-04-10","last_verified_at":"2026-10-30T15:38:04Z","board_verified":true,"closed_at":null,"days_open":203,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":201},"description":"About the role\nJoining Cyberhaven offers a unique opportunity to be at the forefront of revolutionizing data protection through cutting-edge AI technology. Cyberhaven is dedicated to overcoming the challenges faced by traditional data security products, ensuring robust protection of critical data against insider threats in a rapidly evolving work environment. With a unique approach to data lineage, tracing data from its origin for better classification and protection, Cyberhaven combines the functionality of traditional data protection security tools into a single, more effective solution. This role not only allows you to contribute to the advancement of cloud and data security but also places you within a team of security and product professionals passionate about transforming the way data is protected.\nWe’re looking for an experienced endpoint developer to help drive and evolve our product. Our technology is new and rapidly evolving, and you’ll have a chance to be an early contributor with a substantial impact on the product architecture.\nWhat you'll do\nDesign and implement components of our state-of-the-art system sensor that traces all data movement across all applications and files on macOS endpoints\n\nSolve challenging performance optimization problems: we’re building software that monitors hundreds of thousands of events with minimal impact on performance of the endpoint applications\n\nDesign and build highly reliable code that never impacts the end-user experience\n\nBuild secure-by-design hardened software that must withstand real-world attacks, while processing untrusted data and communicating with a backend over the internet\n\nWho you are\nStrong track record in working with Swift on macOS.\n\nExperience of building system extensions using Endpoint security framework and Network extensions\n\nPrior work on at least one large native application deployed to tens of thousands of end-users\n\nExperience debugging, profiling, and optimizing the performance of low-level system software using Instruments\n\nExperience building endpoint security products, such as DLP or EDR applications.\n\nProficient in designing and implementing application architecture\n\nExperience with agile development and SCRUM\n\nProven ability to collaborate with a distributed cross-functional team\n\nPossess verbal and written communication skills in English\n\nAvailability to frequently communicate with a distributed engineering team in Central European and US Eastern time zones\n\nLocated in the following locations: Romania, India, Poland\n\nJoining Cyberhaven means joining the team building Data Security for the Agentic Enterprise. Traditional tools fall short. Cyberhaven traces the full lifecycle of your data, adapting protection to changing context, so protection moves with the way people actually work, not against it. AI Changed Work. We Protect It.\nBacked by $250M from leading investors like Khosla and Redpoint, our team includes leaders who built industry-defining technologies at CrowdStrike, Palo Alto Networks, Meta, Google, and more. This role lets you shape the future of data security, working alongside people driven to protect workflows, not just data, for customers who cannot afford to slow down to stay safe.\nAI Tools Disclosure: As part of Cyberhaven's hiring process, we use recruiting tools that include AI-powered features to help with tasks like scheduling, note-taking, workflow automation, and other recruiting activities (\"AI Tools\"). The AI Tools may process information you provide during the application and interview process. When AI-assisted interview note taking is used, candidates are notified in advance and have the option to opt out of the AI-assisted interview note taking.\nCyberhaven is committed to creating a diverse environment and is an equal opportunity employer. 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