{"id":1018315,"url":"https://alion.io/job/lg-ad-solutions-sr-software-engineer-ii-ai","title":"Sr Software Engineer II, AI","company":{"id":2095,"name":"LG Ad Solutions","domain":"lgads.tv","url":"https://alion.io/company/lg-ad-solutions","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"A","score":90,"open_postings":12,"ghost_share":0.083,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":96,"computed_at":"2026-11-11T05:49:22Z"}},"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":["Denver, United States","New York, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":185000,"max":264000,"currency":"USD","period":"year","gross":null,"usd_annual":264000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":true,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"AI Agents","optional":false},{"name":"AWS","optional":false},{"name":"AWS Bedrock","optional":false},{"name":"Claude","optional":false},{"name":"Context Engineering","optional":false},{"name":"Databricks","optional":false},{"name":"FastAPI","optional":false},{"name":"Hallucination","optional":false},{"name":"Knowledge Graph","optional":false},{"name":"LangGraph","optional":false},{"name":"Llama","optional":false},{"name":"LLM","optional":false},{"name":"LLM Evaluation","optional":false},{"name":"Machine Learning","optional":false},{"name":"OpenAI","optional":false},{"name":"Platform Engineering","optional":false},{"name":"Python","optional":false},{"name":"RAG","optional":false},{"name":"Snowflake","optional":false},{"name":"LangChain","optional":true}],"status":"live","first_seen_at":"2026-09-18T00:04:43Z","employer_posted_date":"2026-09-18","last_verified_at":"2026-11-11T11:25:29Z","board_verified":true,"closed_at":null,"days_open":54,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":54},"description":"We require people to be on-site, 4 days/week at our Denver or NYC office and are unable to offer relocation support.\nAbout LG Ads:\nLG Ads is a leading global ad solutions company, transforming the advertising landscape through innovative technologies. We are building the future of AdTech with our A.I. Data System (ADS), our proprietary AI agent designed to enhance every aspect of our business, from internal operations to external partner experiences.\nJob Summary:\nLG Ads is seeking a motivated AI Platform Engineer to join our AI team and help build the in-house platform powering generative AI agents deployed business wide. You'll contribute to the end to end stack; LLM serving and inference, RAG pipelines, evaluation harnesses and the APIs and infrastructure that put agents in production driving efficiency, unlocking new revenue streams and enabling self-service data capabilities across the organization. The role is hands-on: you'll write production Python, integrate with services like AWS Bedrock and vector stores, instrument systems for observability and tune for latency, throughput and cost. We're looking for someone with a foundation in platform engineering and a working understanding of intent detection, query decomposition and context engineering, who is comfortable with agile delivery and can thrive in an ambiguous, fast-paced environment.\nResponsibilities:\nBuild and maintain LLM-powered services and APIs (FastAPI, webhooks, LangGraph), translating prototypes into production-ready endpoints with proper error handling, retries and timeouts.\n\nDevelop evaluation harnesses and offline/online eval pipelines to measure quality regressions, hallucination rates and task specific accuracy as models and prompts evolve.\n\nInstrument services with logging, tracing, and metrics (latency percentiles, token usage, error rates) so production behavior is observable and debuggable.\n\nDesign and develop intelligent AI agents capable of intent recognition and decomposing complex queries into smaller, executable tasks that run in sequence or parallel.\n\nImplement and optimize context engineering techniques to ensure agents leverage relevant short and long-term memory, as well as our aggregated knowledge base, for accurate and insightful responses.\n\nIntegrate AI agents with internal systems such as ACR, Mosaic, and Salesforce, and third-party services like SpringServe and DSPs.\n\nUtilize and contribute to the development of standardized tooling protocols to streamline integration and maintenance of AI agents.\n\nCollaborate with cross-functional teams, including product, and business units, to identify and build AI solutions that span the entire company.\n\nDevelop and implement solutions for operational efficiencies, such as automating media planning and integrating agents into Mosaic (Home Grown DSP).\n\nBuild client-facing tools for voice and natural language data queries, supporting custom data and contributing to data monetization efforts for the ACR platform.\n\nAutomate repetitive tasks in General & Administrative (G&A) functions, starting with Finance, and expanding to HR and IT Operations.\n\nEnable self-service data access and analysis using AI agents, supporting diverse data sources.\n\nParticipate in agile development sprints, actively contributing to planning, execution, and review.\n\nManage ambiguity and adapt to evolving requirements in a rapidly developing AI landscape.\n\nRequired Skills and Qualifications:\nProven experience in designing and developing Generative AI agents.\n\nStrong expertise in intent detection and complex query decomposition.\n\nDemonstrated experience with context engineering for AI models.\n\nProven understanding of knowledge graphs and/or vectorization as it relates to LLMs\n\nExperience building RAG systems including low level design and implementation of such systems.\n\nSolid understanding of large language models (LLMs) and their application in enterprise solutions, including foundational models like Llama 4 Maverick, Claude, and OpenAI.\n\nExperience with cloud platforms, particularly AWS, for scalable compute and storage resources.\n\nFamiliarity with Databricks for processing structured and unstructured data, and its use as a runtime for agents and MCPs.\n\nExperience working in an agile development environment.\n\nExperience in Databricks / Snowflake and all the associated AI components\n\nExperience in AWS ( or the two other big clouds) and the associated AI Services\n\nEducation:\nBachelor's or Master's degree in Computer Science, Artificial Intelligence, Machine Learning, or a related quantitative field.\n\nLG Ad Solutions provides equal work opportunities to all team members and applicants, and it prohibits discrimination and harassment of any type on the basis of race, color, ethnicity, caste, religion, age, sex (including pregnancy), national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by our policies or federal, state, or local laws.\nWe want to ensure that our hiring process is accessible. If you need reasonable accommodation for any part of the application process because of a medical condition or disability, please send an email to  to let us know the nature of your request.\nApplication Deadline: December 31, 2026\nCompensation & Benefits\nTier 1* (San Francisco Bay Area, New York City Tri-State Area, Los Angeles Metro Area, and Seattle Metro Area)$185,000 - $264,000/year\n\nTier 2* (all other U.S. Locations outside of Tier 1) $162,000 - $231,000/yr\n\nOffers Bonus\n\nBenefits & Perks: 100% employer-paid medical, dental, and vision coverage for employees and eligible dependents. Company-paid life and AD&D, STD and LTD insurance, plus optional supplemental coverage. 401(k) with company match. Flexible Time Off (FTO). Paid parental leave.\n\n*Certain markets, including the San Francisco Bay Area, New York City Tri-State Area, Los Angeles Metro Area, and Seattle Metro Area, are aligned to Tier 1 compensation bands. All other U.S. locations -including Denver - are aligned to Tier 2 compensation bands. 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