{"id":3579787,"url":"https://alion.io/job/raydar-senior-full-stack-software-engineer-6","title":"Senior Full Stack Software Engineer","company":{"id":4478753,"name":"Raydar","domain":"raydar.com","url":"https://alion.io/company/raydar-com","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":null},"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":null,"hiring_geo_confidence":"explicit","locations":[],"countries":[],"hiring_countries":["US","CA"],"hiring_countries_total":2,"salary":{"min":200000,"max":275000,"currency":"USD","period":"year","gross":null,"usd_annual":275000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[],"status":"closed","first_seen_at":"2026-10-12T00:00:00Z","employer_posted_date":"2026-10-12","last_verified_at":"2026-11-04T17:35:58Z","board_verified":false,"closed_at":"2026-11-04T17:35:58Z","days_open":23,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":23},"description":"About the company\nOur client is a software company.\nThe role\nRaydar is recruiting for this role on behalf of our client. Join a small engineering group as a hands-on full stack developer, first helping speed up user interface delivery and then shifting toward backend-heavy work. You will take responsibility for features across their whole lifecycle and help colleagues adopt AI-assisted ways of writing code.\nWhat you'll do\n- Partner with a frontend engineer to remove delivery bottlenecks and get interface improvements into production faster.\n- Gradually take on more backend-oriented work, including new capabilities, infrastructure and core services.\n- Drive features from initial design through release and ongoing stability, with little supervision.\n- Introduce and promote effective practices for developing software with AI coding agents.\n- Work alongside customer-facing engineers, researchers and founders to prototype and refine new product ideas.\nRequirements\nWhat we're looking for\n- Roughly 5 years of professional software engineering experience (a range of 3 to 10 is considered), including senior full stack or comparable roles.\n- A history of launching new products or substantial features from an early idea into live use, ideally in a fast-paced startup.\n- Strong backend-leaning full stack skills with at least intermediate frontend ability, and the judgment to debug AI-generated code that falls short.\n- Hands-on responsibility for system design, releases and operational stability.\n- An assertive, opinionated approach to AI-assisted development and getting the most out of coding agents.\n- A self-directed builder mindset: high ownership, little need for guidance, and flexibility when priorities change.\n- Genuine interest in the company's mission and a thoughtful reason for wanting to join.\n- Residence in the US or Canada and openness to periodic on-site visits to a California office, roughly one week in every six.\n- Existing authorization to work in the US or Canada without sponsorship.\nBonus points\n- Interest in physical systems, CAD or simulation.\n- Based in the San Francisco Bay Area.\nBenefits\nCompensation and benefits\n- Base salary: USD 200,000 to 275,000 per year\n- Equity\nLocation and work model\n- Remote (US or Canada)\n- Full-time","description_format":"text","description_chars":2275,"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":["Equity"],"hiring_locations":[{"name":"United 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