{"id":676736,"url":"https://alion.io/job/simplify3d-senior-c-software-engineer-3d-printing-algorithms","title":"Senior C++ Software Engineer - 3D Printing Algorithms","company":{"id":694880,"name":"Simplify3D","domain":"simplify3d.com","url":"https://alion.io/company/simplify3d-2","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Breezy","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Cincinnati, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":119000,"max_usd":222000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":3667},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Motion Planning","optional":false},{"name":"Path Planning","optional":false}],"status":"live","first_seen_at":"2024-08-26T11:52:45Z","employer_posted_date":"2024-08-26","last_verified_at":"2026-10-31T14:55:20Z","board_verified":true,"closed_at":null,"days_open":796,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":795},"description":"We are looking for an experienced C++ developer to join our team and revolutionize the way products are made through 3D printing. Your work will impact customers in over 170 countries around the globe, delivering new features and capabilities to the additive manufacturing industry.\nSimplify3D is the #1 commercial provider of 3D printing software worldwide, offering state-of-the-art software that is trusted to deliver the best performance from hundreds of different 3D printer brands. Our team tackles some of the most challenging problems in the industry involving 3D geometry, path planning optimization, physics-based simulation, and everything in between. Your work will help redefine what’s possible with additive manufacturing so that our customers can pursue more ambitious challenges across a variety of industries.\nSimplify3D offers a flexible work environment with core hours to accommodate personal schedule preferences. We offer a full benefits package including Medical with employer HSA contributions, Dental, Vision, Life Insurance, Disability Insurance, generous Paid-Time-Off and a 401(k) plan with matching employer contributions.\nWhat you will be doing\nYou will solve challenging problems involving 2D and 3D computational geometry, motion planning, machine kinematics, optimization algorithms, and numerical simulation\nYou will employ performance optimization techniques allowing customers to process highly complex 3D designs at real-time speeds \nYou will collaborate with our engineering team to integrate next generation 3D printers into the software, exploiting new machine capabilities for improved results\nYou will provide insight to our product and leadership teams to help develop the roadmap for future software releases\nWho you are\nYou have a Bachelor’s or Master’s degree in Computer Science, Engineering, Mathematics, or 3+ years of relevant commercial experience \nYou have strong mathematics skills in areas such as linear algebra, trigonometry, and numerical methods\nYou have experience implementing and optimizing complex algorithms and data structures \nYou have the perseverance and determination required to work through challenging problems that have never been solved before\nYou enjoy working in a fast-paced environment and collaborating with others\nYou can work from our office in Cincinnati with access to one of the largest collections of different 3D printers in the world. Relocation packages are available.\nYou are a passionate problem solver who is excited to make a difference in the industry\nJoin our team and help shape the future of additive manufacturing!","description_format":"text","description_chars":2610,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Flexible schedule","Life insurance"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":true,"industries":["CAD, PLM & BIM Software","3D Printers & Additive Manufacturing"],"lifecycle":[{"event":"open","at":"2026-09-10T22:58:23Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"green card filings: 1","filings_12m":0,"filings_prev_12m":1,"green_card_filings_12m":1,"median_offered_wage_usd":67500,"route":null,"cap_exempt":false,"checked_at":"2026-10-29T16:27:21+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":0}],"liveness":{"score":8,"band":"cold","label":"Long shot","p_open":1,"p_active":0.27,"p_room":0.28,"age_days":795,"expected_fill_days":36,"reasons":["conf:3","win:tail","crowd:"],"computed_at":"2026-10-31T05:58:55Z"},"pay":null,"html_url":"https://alion.io/job/simplify3d-senior-c-software-engineer-3d-printing-algorithms","json_url":"https://alion.io/job/simplify3d-senior-c-software-engineer-3d-printing-algorithms.json","meta":{"generated_at":"2026-10-31T17:29:32Z","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":27342,"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":694880},"rest":"https://alion.io/mcp/rest/get_company?id=694880"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsimplify3d-senior-c-software-engineer-3d-printing-algorithms"},{"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%2Fsimplify3d-senior-c-software-engineer-3d-printing-algorithms"},{"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%2Fsimplify3d-senior-c-software-engineer-3d-printing-algorithms"},{"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/simplify3d-senior-c-software-engineer-3d-printing-algorithms\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsimplify3d-senior-c-software-engineer-3d-printing-algorithms"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":676736}},{"tool":"search_jobs","arguments":{"company":"simplify3d.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":676736},"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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