{"id":3472178,"url":"https://alion.io/job/cshark-senior-windows-audio-software-engineer","title":"Senior Windows Audio Software Engineer","company":{"id":1383,"name":"CSHARK","domain":"cshark.com","url":"https://alion.io/company/cshark","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"contractor","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["Wrocław, Poland","Kraków, Poland","Gdańsk, Poland","Warsaw, Poland","Poznań, Poland"],"countries":["PL"],"hiring_countries":["PL"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":60000,"max_usd":97000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":233},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Machine Learning","optional":false},{"name":"ONNX Runtime","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2026-10-29T16:04:45Z","employer_posted_date":null,"last_verified_at":"2026-10-29T16:04:45Z","board_verified":false,"closed_at":null,"days_open":2,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":2},"description":"About the project \nYou will join a CSHARK team delivering a project for our client, a technology company developing on-device audio and speech solutions.\nYour main focus will be integrating the client's audio technology into Windows PCs, working across the Windows audio stack, from audio processing components and virtual devices to system-level drivers.\nYou will also work with real-time audio processing and on-device machine learning to ensure reliable, secure and efficient performance on Windows devices.\nIN SHORT:\n🌎 100% remote or from the office (Wrocław, Bielsko-Biała) - You choose!\n💰 140 - 190 PLN/h\n☑️ B2B contract\n\nYour responsibilities \nDevelop and maintain Windows audio components, including Audio Processing Objects (APOs), virtual microphones and virtual audio drivers.\n\nWork with Windows audio technologies, including WASAPI, WDK and PortCls/ACX.\n\nImplement and optimise real-time audio processing and DSP algorithms in C/C++.\n\nPrepare and validate audio components through Windows HLK testing and WHQL certification.\n\nIntegrate on-device machine learning inference using ONNX Runtime, DirectML and Qualcomm QNN.\n\nEnsure secure, stable and efficient execution of audio components and ML models on Windows PCs.\n\nWhat we expect \nSenior-level experience in Windows audio software development.\n\nHands-on experience with Audio Processing Objects (APOs) and/or Windows audio drivers.\n\nStrong programming skills in C/C++ and experience with real-time audio DSP.\n\nPractical knowledge of WASAPI and Windows audio architecture.\n\nExperience with Windows Driver Kit (WDK), PortCls or Audio Class Extensions (ACX).\n\nExperience with Windows HLK testing and WHQL certification.\n\nFluent English.\n\nNice to have \nExperience with ONNX Runtime, DirectML or Qualcomm QNN.\n\nKnowledge of NPU acceleration on Windows on ARM or x86 AI PCs.\n\nExperience with secure code and machine learning model deployment on Windows.\n\nWhat we offer \nA fully remote role on a long-term project for an international client. \n\nWork on cutting-edge AI technology.\n\nA team of experienced engineers and direct contact with the client’s R&D. \n\nStable cooperation with CSHARK, plus support from our delivery and people teams throughout the project. \n\nTech stack\nC++\nC\nWindows Audio\nWASAPI\nWDK","description_format":"text","description_chars":2263,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"Poland","iso":"PL","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Outsourcing & Dedicated Teams","Mobile App Development Services","Custom Software Development"],"lifecycle":[{"event":"open","at":"2026-10-29T17:25:00Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring 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