{"id":3482931,"url":"https://alion.io/job/sine-engineering-dsp-silicon-software-engineer","title":"DSP Silicon Software Engineer","company":{"id":4485860,"name":"Sine Engineering","domain":"sineeng.com","url":"https://alion.io/company/sine-engineering","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":75,"open_postings":14,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Hardware","role_family":"Hardware","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Tampere, Finland"],"countries":["FI"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"CI/CD","optional":false},{"name":"FreeRTOS","optional":false},{"name":"RTOS","optional":false},{"name":"Rust","optional":false},{"name":"GDPR","optional":true},{"name":"MATLAB","optional":true},{"name":"Python","optional":true},{"name":"Wi-Fi","optional":true}],"status":"live","first_seen_at":"2026-05-11T14:22:26Z","employer_posted_date":"2026-05-11","last_verified_at":"2026-10-31T17:29:59Z","board_verified":true,"closed_at":null,"days_open":173,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":172},"description":"We're looking for both Embedded and DSP Software Engineers to join our team building System-on-Chips (SoCs) from the ground up. You'll work alongside an exceptional team of engineers, developing the embedded and DSP software that brings our silicon to life - from real-time wireless signal processing to the low-level APIs that the rest of the stack runs on.\nWe're hiring across experience levels, from engineers early in their career to senior contributors ready to own complex software subsystems.\nResponsibilities:\nDevelop embedded and/or DSP software for wireless communication systems - including modem baseband processing, signal chain control, calibration, and real-time algorithms.\n\nImplement and optimize DSP algorithms (filtering, synchronization, modulation/demodulation, channel estimation) on embedded targets and DSP cores.\n\nDevelop low-level SoC software: drivers, hardware abstraction layers, bring-up code, and APIs exposing on-chip peripherals and accelerators to higher software layers.\n\nWork close to the hardware - interfacing with on-chip interconnects, DMA, high-speed interfaces, and RF transceiver control paths.\n\nOptimize for real-time constraints, performance, memory footprint, and power across embedded CPU, DSP, and accelerator targets.\n\nSoC bring-up and silicon validation - from first power-on, through driver and firmware bring-up, to stable system operation.\n\nCollaborate with algorithm, hardware, and architecture teams to translate algorithmic intent into efficient embedded implementations, and to shape hardware/software trade-offs early.\n\nContribute to test infrastructure, automation, and continuous integration for embedded software.\n\nSkills & Experience:\nBackground in embedded software, DSP software, or low-level systems programming - from engineers with strong fundamentals and relevant project work, up to senior contributors with multiple silicon programs behind them.\n\nStrong proficiency in C/C++/Rust, with comfort working close to the hardware.\n\nSolid understanding of embedded systems concepts: real-time constraints, interrupts, DMA, memory hierarchies, and hardware/software interfaces.\n\nFamiliarity with at least one of: DSP algorithm implementation, wireless modem software, or low-level driver / HAL development.\n\nExperience with bare-metal or RTOS environments (FreeRTOS, Zephyr, or equivalents).\n\nDebug skills across software and hardware boundaries - comfortable with logic analyzers, scopes, JTAG, and reading schematics when needed.\n\nEagerness to learn, take ownership, and grow with the team.\n\nEnglish proficiency at B1 level or higher.\n\nNice to Have:\nExperience with wireless communication systems (SDR, modem baseband, Wi-Fi, 5G/LTE, or proprietary radios).\n\nHands-on experience with DSP cores (Cadence Tensilica, CEVA, ARM Helium, or similar) and DSP-specific optimization.\n\nExperience with fixed-point arithmetic and porting algorithms from MATLAB / Python references to embedded targets.\n\nExperience with high-speed interface drivers (JESD204B/C, MIPI CSI/DSI, PCIe).\n\nExperience bringing up custom silicon from first power-on to stable operation.\n\nBoot ROM development.\n\nKnowledge of cryptography, secure boot, or hardware-level security.\n\nExperience in defense or dual-use systems.\n\nOpen-source contributions, embedded projects, or relevant portfolios (especially for early-career candidates).\n\nWhat We Offer:\nPaid Time Off: According to Finnish labor law.\nHealth & Wellness Package\nLunch Benefit: daily lunch allowance up to the tax-free limit as a fringe benefit.\n\nSport & Culture: annual budget for gyms, sports activities, cultural events, and hobbies.\n\nWellbeing Allowance: additional allowance for massage, mental health services, and other wellness support.\n\nExtended Occupational Healthcare: enhanced coverage including partial dental care.\n\nAccident Insurance (24/7): full coverage for accidents during both work and free time.\n\nBusiness Travel Insurance: coverage for work-related travel.\n\nSnacks & Office Comforts: coffee, snacks, fruits, and other office perks.\n\nWork Model\nFlexible Working Hours: core hours from 10:00 to 15:00.\n\nNo-Crunch Policy: no systematic overtime; overtime is compensated or reimbursed.\n\nMeeting-Light Culture: protected focus time and minimal unnecessary meetings.\n\nGrowth & Innovation\nHigh-End Equipment: premium laptop, monitor, and peripherals.\n\nLab & Gadget Budget: annual budget for hardware, tools, books, and learning materials.\n\nHackathons & Offsites: regular internal events focused on innovation and technology.\n\nTravel & Mobility\nBusiness Travel Expenses: full coverage of tickets, accommodation, and transportation.\n\nPer Diem (Vero Max): daily allowances according to the maximum tax-free Vero rates.\n\nImpact & Culture\nLow-hierarchy, engineering-driven environment with strong autonomy and zero micromanagement.\n\nPrivacy Notice\nBy applying for this position, you consent to the processing of your personal data for recruitment purposes.\nYour data will be handled in accordance with the EU General Data Protection Regulation (GDPR) and the Finnish Act on the Protection of Privacy in Working Life. We will retain your application data for up to 6 months, unless you consent to a longer retention period.\nYou may request access, correction, or deletion of your data at any time by contacting: ","description_format":"text","description_chars":5329,"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":[{"language":"English","level":"Intermediate (B1)","optional":false}]},"benefits":["Flexible schedule","Sports activities"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Drones & UAVs"],"lifecycle":[{"event":"open","at":"2026-10-29T20:43:21Z"}],"visa":[],"liveness":{"score":4,"band":"cold","label":"Long shot","p_open":1,"p_active":0.158,"p_room":0.28,"age_days":172,"expected_fill_days":38,"reasons":["conf:3","stale_co","velocity","win:tail","crowd:"],"computed_at":"2026-10-31T05:58:55Z"},"pay":null,"html_url":"https://alion.io/job/sine-engineering-dsp-silicon-software-engineer","json_url":"https://alion.io/job/sine-engineering-dsp-silicon-software-engineer.json","meta":{"generated_at":"2026-10-31T19:46:14Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":31141,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-01T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":4485860},"rest":"https://alion.io/mcp/rest/get_company?id=4485860"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsine-engineering-dsp-silicon-software-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fsine-engineering-dsp-silicon-software-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fsine-engineering-dsp-silicon-software-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/sine-engineering-dsp-silicon-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsine-engineering-dsp-silicon-software-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3482931}},{"tool":"search_jobs","arguments":{"company":"sineeng.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3482931},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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