{"id":2044546,"url":"https://alion.io/job/epiq-principal-ai-platform-engineer","title":"Principal AI Platform Engineer","company":{"id":4815,"name":"Epiq","domain":"epiqglobal.com","url":"https://alion.io/company/epiq","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":85,"open_postings":13,"ghost_share":0,"stale_share":0.769,"repost_share":0.077,"time_to_fill_p50_days":16,"computed_at":"2026-10-13T05:45:00Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":"lead","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Toronto, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":150000,"max":300000,"currency":"CAD","period":"year","gross":null,"usd_annual":210460},"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agentic Workflows","optional":false},{"name":"AI Agents","optional":false},{"name":"Human-in-the-Loop","optional":false},{"name":"LLM","optional":false},{"name":"OCR","optional":false},{"name":"Platform Engineering","optional":false},{"name":"Python","optional":false},{"name":"RAG","optional":false},{"name":"TypeScript","optional":false},{"name":"Fine-tuning","optional":true},{"name":"Hallucination","optional":true},{"name":"JavaScript","optional":true},{"name":"LangChain","optional":true},{"name":"Langfuse","optional":true},{"name":"LangGraph","optional":true},{"name":"Model Context Protocol","optional":true},{"name":"OpenTelemetry","optional":true},{"name":"PostgreSQL","optional":true},{"name":"Quantization","optional":true},{"name":"React.js","optional":true}],"status":"live","first_seen_at":"2026-10-07T19:08:13Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-13T06:36:20Z","board_verified":true,"closed_at":null,"days_open":6,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":6},"description":"At Epiq, your work contributes to complex, global legal outcomes. You’ll join a values-driven community where integrity guides decisions, relentless service sets the bar, and wethrive on big challenges together. We invest in your growth with enterprise-wide learning and mobility. We celebrate who you are, and we respect life beyond work with flexibility that’s recognized externally. Enabled by modern platforms and AI, you’ll do the most meaningful work of your career and see your impact at scale.\nJob Description:\nEpiq supports some of the world's largest and most complex legal matters, where document collections range from thousands to millions of records. As a Principal AI Platform Engineer, you will design and build the platform our AI agents and accelerators run on, including orchestration, retrieval, evaluation, observability, and the inference path that keeps all of it fast and affordable at production scale.\nThis is a senior individual contributor role. You will write production code; own significant components end to end. You will set the technical direction that other engineers build on. You will also mentor engineers across our Toronto, US, and India teams through design reviews, code reviews, and pairing.\nYou will work across two product areas:\nAI Agents. Conversational systems that enable legal professionals to ask complex questions and receive evidence-based answers grounded in case data.\nAI Accelerators. AI-powered workflows that automate large-scale document review tasks including summarization, translation, transcription, language detection, and OCR.\nTogether, these solutions help legal teams reach defensible outcomes faster while reducing review costs and improving quality.\nWhat You'll Do\nPlatform Engineering\nBuild and own the platform capabilities that power AI agents, including orchestration, retrieval, model routing, tool integration, and reliability.\nDesign retrieval systems across large-scale legal document collections.\nDevelop shared platform services including prompt management, caching, rate limiting, and cost attribution.\nDefine stable APIs and data contracts for product teams.\nEvaluation & Quality\nDevelop evaluation frameworks that measure accuracy, grounding, citation quality, and overall system performance.\nBuild observability, tracing, and replay capabilities that enable rapid troubleshooting and continuous improvement.\nEstablish quality gates and monitoring to identify regressions before they reach production.\nPerformance, Scale & Cost\nOptimize latency, throughput, and scalability across both interactive and batch workloads.\nDrive decisions around model selection, inference strategies, caching, and routing while managing cost as a first-class engineering metric.\nReliability & Governance\nBuild highly reliable systems through monitoring, alerting, incident response, and operational excellence practices.\nImplement governance, auditability, and human-in-the-loop controls required for legal and regulated workflows.\nEnsure compliance with security, privacy, and data residency requirements.\nTechnical Leadership Without Direct Reports\nWrite the design docs and ADRs for consequential platform decisions, including the trade-offs you rejected.\nRaise the engineering bar through code review, pairing, and mentoring. Grow other engineers' judgment, not just their output.\nPartner with Product Management, legal domain experts, and Review Operations to turn ambiguous problems into shippable scope.\nRequired Qualifications\nBachelor's or master’s degree in computer science or a related technical field, or equivalent practical experience.\n7+ years building production software, with a track record of owning systems end to end.\nExperience building production AI/LLM systems, including retrieval-augmented generation and agentic workflows.\nStrong Python. Comfortable in a TypeScript codebase.\nExperience with distributed systems, asynchronous and event-driven architectures, and large batch data processing.\nDemonstrated ownership of production reliability: instrumentation, on-call, incident response, and performance work driven by data rather than intuition.\nClear written communication. You can explain a design decision and its trade-offs to engineers and to non-engineers.\nPreferred Qualifications\nOrchestration frameworks such as LangGraph, LangChain, MCP, etc.\nLLM observability and evaluation tooling such as Langfuse, OpenTelemetry, etc tracing.\nVector databases, search infrastructure, and information retrieval fundamentals.\nHallucination detection, grounding verification, and benchmarking methodology.\nModel fine-tuning, quantization, or inference optimization.\nReact and modern frontend work for internal evaluation and debugging tools.\nLegal technology, eDiscovery, compliance, investigations, or document review.\nMulti-tenant SaaS platforms with strict data isolation requirements.\nExperience with PostgreSQL.\n* The Compensation range for this role is $150,000 CAD up to $300,000 CAD annually and may be eligible for an annual discretionary bonus. This will be based on your background and skills alignment with the role.\nIn considering this role you must be authorized to work within Canada with proof of right to work presented if required. Please also note AI may have been used in the screening process to assess suitability for the advertised role. This role is an Active Vacancy within Epiq.\nYour specific salary will be determined based on several factors:\nLocation-based market rate for the role\n\nYour abilities in relation to the job specification\n\nPerformance during screening and interview\n\nPay parity with the wider team in the considered location\n\nFurther details about the package will be provided during the initial screening call with the Talent Acquisition Team.\nClick here to learn about Epiq's Benefits.\nEpiq Leadership Compass\nFosters Relationships & Collaboration\nBuilds trust and alignment through open communication, shared goals, and strong partnerships to drive collective success.\nBuild trust-based partnerships\n\nNurture long-term relationships\n\nRemove collaboration barriers\n\nCelebrate cross-team success\n\nEngages & Influences\nInspires action and alignment through clear communication, purposeful influence, and a compelling vision.\nUse storytelling to build buy-in\n\nAlign communication with organizational goals\n\nGuild alignment through strong engagement\n\nMaximizes Performance\nSets and reinforces performance standards that drive results, ensure accountability, and align with Epiq’s goals.\nUse data to identify improvement opportunities\n\nMake informed decisions\n\nAlign team goals with boarder strategy\n\nEmpower teams to manage their own goals\n\nTranslate vision into clear priorities\n\nPrepare for disruptions with strong change management\n\nAchieves Operational Success\nDrives continuous improvement and operational excellence through smart processes, data insights, and quality execution.\nImprove workflows for team efficiency\n\nUse clear documentation and expectations\n\nResolve issues quickly using data and feedback\n\nIt is Epiq’s policy to comply with all applicable equal employment opportunity laws by making all employment decisions without unlawful regard or consideration of any individual’s race, religion, ethnicity, color, sex, sexual orientation, gender identity or expressions, transgender status, sexual and other reproductive health decisions, marital status, age, national origin, genetic information, ancestry, citizenship, physical or mental disability, veteran or family status or any other basis protected by applicable national, federal, state, provincial or local law. Epiq’s policy prohibits unlawful discrimination based on any of these impermissible bases, as well as any bases or grounds protected by applicable law in each jurisdiction. In addition Epiq will take affirmative action for minorities, women, covered veterans and individuals with disabilities. If you need assistance or an accommodation during the application process because of a disability, it is available upon request. Epiq is pleased to provide such assistance and no applicant will be penalized as a result of such a request. Pursuant to relevant law, where applicable, Epiq will consider for employment qualified applicants with arrest and conviction records.","description_format":"text","description_chars":8274,"description_truncated":false,"requirements":{"experience_years_min":7,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"Canada","iso":"CA","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Financial Services","Professional Services","Legal Services"],"lifecycle":[{"event":"open","at":"2026-10-07T19:08:13Z"}],"visa":[],"liveness":{"score":58,"band":"ok","label":"Likely open","p_open":1,"p_active":0.578,"p_room":1,"age_days":5,"expected_fill_days":16,"reasons":["conf:3","stale_co","velocity","win:early"],"computed_at":"2026-10-13T05:45:00Z"},"pay":{"stated_usd_annual":210460,"is_top_pay":false},"html_url":"https://alion.io/job/epiq-principal-ai-platform-engineer","json_url":"https://alion.io/job/epiq-principal-ai-platform-engineer.json","meta":{"generated_at":"2026-10-13T20:01:02Z","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":30736,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-14T00:00:00Z"}},"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":4815},"rest":"https://alion.io/mcp/rest/get_company?id=4815"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fepiq-principal-ai-platform-engineer"},{"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%2Fepiq-principal-ai-platform-engineer"},{"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%2Fepiq-principal-ai-platform-engineer"},{"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/epiq-principal-ai-platform-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fepiq-principal-ai-platform-engineer"}]}