{"id":35739,"url":"https://alion.io/job/redwood-materials-software-engineer-mlcomputer-vision-battery-sorting","title":"Software Engineer - ML/Computer Vision (Battery Sorting)","company":{"id":5557,"name":"Redwood Materials","domain":"redwoodmaterials.com","url":"https://alion.io/company/redwood-materials","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":85,"open_postings":46,"ghost_share":0,"stale_share":0.413,"repost_share":0,"time_to_fill_p50_days":63,"computed_at":"2026-10-17T05:46:00Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":"junior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Francisco, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":152500,"max":200000,"currency":"USD","period":"year","gross":null,"usd_annual":200000},"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"Computer Vision","optional":false},{"name":"Machine Learning","optional":false},{"name":"MLFlow","optional":false},{"name":"Multimodal AI","optional":false},{"name":"OCR","optional":false},{"name":"ONNX Runtime","optional":false},{"name":"OpenCV","optional":false},{"name":"PyTorch","optional":false},{"name":"Quantization","optional":false},{"name":"TensorRT","optional":false}],"status":"live","first_seen_at":"2026-06-23T17:05:28Z","employer_posted_date":"2026-10-11","last_verified_at":"2026-10-17T13:39:10Z","board_verified":true,"closed_at":null,"days_open":115,"trust":{"level":"ok","repost_count":1,"flags":[],"days_open":115},"description":"About Redwood Materials\nRedwood Materials was founded in 2017 by JB Straubel, co-founder and former CTO of Tesla, on a simple but radical idea: the critical minerals powering the energy transition already exist. They just need to come back. Today Redwood is the largest lithium-ion battery recycler in North America - recovering, refining, and redeploying critical minerals from end-of-life batteries back into the supply chain. On the energy side, Redwood has deployed the largest second-life battery project in the world, delivering power to AI data centers in months rather than years using proprietary energy architecture engineered entirely in-house. The company is profitable, the market it operates in is projected to grow 20 to 50 times over the next decade, and Redwood is the only company with the supply chain, the technology, and the operational scale to lead it.\nSoftware Engineer, ML/Computer Vision (Battery Sorting)\nThe Battery Sorting team at Redwood Materials is building a world-class, ML-enabled sorting platform that uses computer vision and machine learning to classify and route thousands of end-of-life batteries per hour across diverse chemistries and form factors. This role sits at the intersection of software engineering and machine learning, with direct ownership of the production systems powering automated battery sorting on the factory floor. The ideal candidate is equally comfortable debugging a production incident as iterating on a model, and will have the opportunity to generate patents in automated battery classification. This is a high-impact, highly visible role with immediate real-world application in advancing the energy transition.\nHours\nFull-time | Schedule may vary depending on site operational needs; flexibility required\nResponsibilities will include:\nDevelop, test, and maintain production software systems powering automated battery sorting, spanning ML inference, image acquisition, sensor integration, and hardware-adjacent control interfaces\nTrain and deploy computer vision models for battery chemistry classification, including dataset annotation, preprocessing, and evaluation within established data pipelines\nBuild and maintain services and APIs that connect ML outputs to downstream systems including MES, HMI, and PLC/controls interfaces\nOwn observability across the production software stack through structured logging, metrics dashboards, alerting, and on-call triage for inference pipelines and supporting services\nMonitor model performance in production to catch regressions or distribution shifts and drive iterative improvements through data analysis and retraining\nContribute to infrastructure-as-code and CI/CD workflows to validate, version, and deploy application code and ML model artifacts to production environments\nCollaborate cross-functionally with Controls, Hardware, Manufacturing, DevOps, and IT teams to translate operational needs into software and model improvements\nDesired Qualifications:\nB.S. in Computer Science, Electrical Engineering, or a related field, or equivalent practical experience\n2+ years of industry experience working with machine learning models, preferably in computer vision\nHands-on experience with ML frameworks and libraries such as PyTorch and OpenCV\nExperience contributing to production codebases and pipelines with an emphasis on clean, well-documented, and well-tested code\nExperience designing and tracking ML experiments using tools such as MLflow\nFamiliarity with edge deployment or model optimization techniques for inference (e.g., quantization, TensorRT, ONNX Runtime) in latency-sensitive or resource-constrained environments\nExperience with OCR, image classification pipelines, or multi-sensor and multimodal fusion\nExperience working in or alongside industrial, manufacturing, or operations environments where software interacts with physical systems\nStrong cross-functional communication skills and ability to prioritize and execute in a fast-paced, dynamic environment\nA passion for sustainability and making the world a better place!\nWorking Conditions:\nFactory floor environment; work schedule may vary depending on site operational needs and flexibility is required\nWillingness and ability to travel to Reno, NV as needed\nAdditional working conditions to be confirmed with Hiring Manager\nIn accordance with California pay transparency laws, the salary range for this position is listed below. Actual compensation may vary based on a variety of factors, including experience, education, and skills. \nCalifornia Pay Range:\n$152,500—$200,000 USD\nThe position is full-time. Compensation will be commensurate with experience.\nWe collect personal information (PI) from you in connection with your application for employment with Redwood Materials, including the following categories of PI: identifiers, personal records, professional or employment information, and inferences drawn from your PI. We collect your PI for our purposes, including performing services and operations related to your potential employment. If you have additional privacy-related questions, please contact us at .","description_format":"text","description_chars":5141,"description_truncated":false,"requirements":{"experience_years_min":2,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","Robotic Software & Control Systems","Energy Storage","Waste Management"],"lifecycle":[{"event":"open","at":"2026-06-23T17:05:28Z"},{"event":"close","at":"2026-09-04T08:26:10Z"},{"event":"reopen","at":"2026-09-16T05:23:34Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 46 · green card filings: 6","filings_12m":46,"filings_prev_12m":38,"green_card_filings_12m":6,"median_offered_wage_usd":149615,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+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":5}],"liveness":{"score":15,"band":"cold","label":"Long shot","p_open":1,"p_active":0.412,"p_room":0.36,"age_days":115,"expected_fill_days":63,"reasons":["conf:1","velocity","win:tail","crowd:junior,brand"],"computed_at":"2026-10-17T05:46:00Z"},"pay":{"stated_usd_annual":200000,"is_top_pay":false},"html_url":"https://alion.io/job/redwood-materials-software-engineer-mlcomputer-vision-battery-sorting","json_url":"https://alion.io/job/redwood-materials-software-engineer-mlcomputer-vision-battery-sorting.json","meta":{"generated_at":"2026-10-17T15:03:04Z","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":20347,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"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":5557},"rest":"https://alion.io/mcp/rest/get_company?id=5557"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fredwood-materials-software-engineer-mlcomputer-vision-battery-sorting"},{"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%2Fredwood-materials-software-engineer-mlcomputer-vision-battery-sorting"},{"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%2Fredwood-materials-software-engineer-mlcomputer-vision-battery-sorting"},{"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/redwood-materials-software-engineer-mlcomputer-vision-battery-sorting\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fredwood-materials-software-engineer-mlcomputer-vision-battery-sorting"}]}