{"id":95698,"url":"https://alion.io/job/together-research-engineer-large-scale-training","title":"Research Engineer, Large-Scale Training","company":{"id":36054,"name":"Together AI","domain":"together.ai","url":"https://alion.io/company/together","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":92,"open_postings":71,"ghost_share":0,"stale_share":0.31,"repost_share":0,"time_to_fill_p50_days":55,"computed_at":"2026-10-17T05:46:00Z"}},"role":"AI/ML","role_family":"AI/ML","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":["San Francisco, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":200000,"max":290000,"currency":"USD","period":"year","gross":null,"usd_annual":290000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Fine-tuning","optional":false},{"name":"Machine Learning","optional":false},{"name":"Python","optional":false},{"name":"PyTorch","optional":false},{"name":"Together AI","optional":false},{"name":"CUDA","optional":true},{"name":"CUDA Toolkit","optional":true},{"name":"Cursor","optional":true},{"name":"DeepSpeed","optional":true},{"name":"ElevenLabs","optional":true},{"name":"FSDP","optional":true},{"name":"Megatron-LM","optional":true},{"name":"NCCL","optional":true},{"name":"Pre-training","optional":true},{"name":"Reinforcement Learning","optional":true},{"name":"Triton","optional":true}],"status":"live","first_seen_at":"2026-07-30T16:52:05Z","employer_posted_date":"2026-09-23","last_verified_at":"2026-10-18T08:31:28Z","board_verified":true,"closed_at":null,"days_open":79,"trust":{"level":"ok","repost_count":0,"flags":[],"days_open":79},"description":"About the Role\nThe Model Shaping team at Together AI works on products and research for tailoring open foundation models to downstream applications. We build services that allow machine learning developers to choose the best models for their tasks and further improve these models using domain-specific data. In addition, we develop new methods for more efficient model training and evaluation, drawing inspiration from a broad spectrum of ideas across machine learning, natural language processing, and ML systems.\nAs a Research Engineer on the Scaling Team within Model Shaping, you will turn cutting-edge research on efficient foundation model training into robust, high-performance systems. You will profile and optimize Together's training infrastructure, identify performance bottlenecks across the stack, and implement state-of-the-art techniques from both the research literature and our own scientists in production environments.\nYour work will directly shape the fine-tuning experience of Together's customers. You will rapidly bring newly released open-source models onto the Model Shaping platform, ensuring they train efficiently and reliably across diverse customer workloads. Working closely with Research Scientists, you will also build the experimental infrastructure that accelerates research and enables validated ideas to be deployed reliably at scale.\nResponsibilities\nDesign, implement, and optimize core components of Together's large-scale training infrastructure.\nIntegrate new model architectures, validate training correctness and convergence, and optimize performance for production fine-tuning workloads.\nProfile distributed training workloads to identify and eliminate bottlenecks across compute, memory, and communication.\nDesign and execute experiments to validate performance hypotheses and benchmark new approaches against state-of-the-art methods.\nPartner closely with Research Scientists to productionize novel training methods and contribute to publications and open-source releases.\nRapidly enable support for newly released open-source foundation models on the Together platform.\nBuild and maintain experimental infrastructure that accelerates research while ensuring production-quality reliability and scalability.\nRequirements\nDemonstrated ability to independently take ambiguous performance or infrastructure problems from investigation through deployment.\nStrong programming skills in Python and PyTorch, with an emphasis on writing efficient, maintainable code.\nHands-on experience training or fine-tuning large neural networks in multi-GPU or multi-node environments.\nSolid understanding of ML systems fundamentals, including GPU architecture, mixed-precision training, and distributed training paradigms such as data, tensor, pipeline, or expert parallelism.\nStrong communication skills and the ability to collaborate effectively with both researchers and engineers.\nPassion for staying current with advances in AI research and applying them to real-world systems.\nExcitement about translating cutting-edge research into production systems that deliver customer impact.\nNice to Have\nExperience writing optimized NVIDIA GPU kernels using CUDA or Triton, or implementing communication collectives with technologies such as NCCL or NVSHMEM.\nExperience with large-scale training frameworks such as FSDP, DeepSpeed, Megatron-LM, or custom distributed training systems.\nExperience optimizing distributed training for compute efficiency, memory efficiency, or scalability.\nExperience running and managing large-scale GPU experiments, including scheduling, monitoring, and fault tolerance.\nContributions to widely used open-source ML or ML systems projects.\nExperience building or operating ML products or managed services used by external customers.\nAbout Together AI\nTogether AI, the AI Native Cloud, is purpose-built for AI engineers. AI application developers get high-performance inference that scales reliably, fine-tuning and reinforcement learning for creating frontier-level specialized models, and pre-training at massive scale for fully custom intelligence, all around a marketplace of leading open models that teams can run, adapt, and own. Trusted by Cursor, Decagon, ElevenLabs, Salesforce, and Zoom, Together serves 400+ trillion tokens a month.\nCompensation\nWe offer competitive compensation, startup equity, health insurance, and other benefits. The US base salary range for this full-time position is $200,000 - $290,000. Our salary ranges are determined by location, level and role. Individual compensation will be determined by experience, skills, and job-related knowledge.\nEqual Opportunity\nTogether AI is an Equal Opportunity Employer and is proud to offer equal employment opportunity to everyone regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, veteran status, and more.\nPlease see our privacy policy at https://www.together.ai/privacy","description_format":"text","description_chars":5001,"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","Health insurance"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Cloud Platforms (IaaS & PaaS)","Foundation Models","AI Compute & Inference"],"lifecycle":[{"event":"open","at":"2026-07-30T16:52:05Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 48 · green card filings: 1","filings_12m":48,"filings_prev_12m":22,"green_card_filings_12m":1,"median_offered_wage_usd":207398,"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":41}],"liveness":{"score":24,"band":"cold","label":"Long shot","p_open":1,"p_active":0.548,"p_room":0.44,"age_days":78,"expected_fill_days":55,"reasons":["conf:3","velocity","win:tail","crowd:"],"computed_at":"2026-10-17T05:46:00Z"},"pay":{"stated_usd_annual":290000,"is_top_pay":true},"html_url":"https://alion.io/job/together-research-engineer-large-scale-training","json_url":"https://alion.io/job/together-research-engineer-large-scale-training.json","meta":{"generated_at":"2026-10-18T09:53:02Z","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":14596,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"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":36054},"rest":"https://alion.io/mcp/rest/get_company?id=36054"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ftogether-research-engineer-large-scale-training"},{"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%2Ftogether-research-engineer-large-scale-training"},{"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%2Ftogether-research-engineer-large-scale-training"},{"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/together-research-engineer-large-scale-training\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ftogether-research-engineer-large-scale-training"}]}