The LHR Group
Website:
thelhr.group
Job details:
As a Sr. ML Engineer - Generative AI, you will build and deploy production-grade LLM systems for personalised learning in Indian languages. You will own RAG, agentic pipelines, evaluation, and backend services, with a strong focus on software engineering. The role offers high ownership in a 0-to-1 environment, requiring hands-on execution, adaptability, and comfort with ambiguity.
Key Responsibilities
• Design, build, and ship production-grade LLM applications: RAG pipelines, agentic workflows, and tool-calling systems for education-specific use cases such as question answering, content generation, adaptive feedback, and curriculum alignment.
• Own full system architecture: data pipelines, retrieval layers, orchestration, APIs, and service infrastructure written as maintainable, tested production code, not notebooks or scripts.
• Build rigorous LLM evaluation frameworks: task-specific benchmarks, regression testing, human eval loops, and automated quality gates to catch degradation before it ships.
• Own latency and cost at the application layer: caching strategies, request batching, model/route selection, and prompt-context optimisation to keep production systems fast and affordable at scale.
• Build data pipelines for grounding and instruction data, including multilingual and Indic language sources.
• Assess new open-source and closed model releases for domain applicability, cost, and production readiness.
• Define and track system performance metrics, evaluation benchmarks, and reliability targets across all shipped features.
• Work with open-source and sovereign LLMs, integrating them into production-proven serving and orchestration frameworks.
• Where warranted, fine-tune or adapt foundation models (LoRA/QLoRA/SFT)- a strong plus, not a gating requirement for this role.
Must-Have Skills
• Strong production Python engineering: clean, tested, maintainable code - not scripts or notebooks. Comfortable owning services in production.
• Hands-on experience building and shipping RAG or agentic systems in production: retrieval design, orchestration (e.g. LangChain/LangGraph or equivalent), tool calling, and multi-step reasoning pipelines.
• Demonstrated experience building LLM evaluation systems: benchmarks, regression tests, human-eval workflows, and quality monitoring - not just anecdotal "it works."
• Experience building and operating backend systems/services: APIs, data pipelines, deployment, and monitoring in a real production environment.
• Working knowledge of AI/ML pipelines, data preparation, and model deployment.
• Experience working with open-source and sovereign LLMs, using standard, production-proven frameworks.
• Understanding of cloud platforms and infrastructure for serving ML/LLM systems at scale.
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