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Senior AI Engineer | Remote | Jobs In India

DigitalXNode · Bangalore, Chennai, Delhi, Gurgaon, Kolkata, Navi Mumbai, Noida, Pune, Nagpur, Jaipur, Ahmedabad, Coimbatore, Chandigarh, India

About this role

DigitalXNode seeks a Senior AI Engineer with 4–8 years of professional experience to support a client in India. This remote, individual-contributor role combines agentic AI, LLM-powered services, enterprise semantics, knowledge graphs, and data engineering. The posting lists multiple Indian job locations and describes compensation as competitive.

Responsibilities

  • Design and maintain agentic AI pipelines for semantic mapping, dimension mining, and ontology-driven reasoning using Google ADK or similar frameworks. Develop LLM-powered services for schema understanding, semantic alignment, ontology enrichment, and AI-assisted metadata generation.
  • Build RDF and OWL enterprise ontologies, including upper ontologies and, where applicable, domain extensions aligned to CIM. Implement SPARQL querying and reasoning over knowledge graphs, emphasizing accuracy, traceability, scalability, and consistent semantic interpretation.
  • Deliver Python microservices and batch pipelines connecting semantic reasoning with data engineering. Build dimension and fact pipelines in Microsoft Fabric using Lakehouse, Spark, SQL, and orchestration tools, and produce business-ready star schemas from heterogeneous sources.
  • Establish reusable components, design patterns, and standards for quality, observability, security, and performance. Collaborate with data architects, domain experts, and governance teams on semantic definitions, change management, and adoption. Review code, mentor engineers, and contribute to technical decisions; formal people management is not required.

Requirements

Any graduate with 4–8 years of professional experience, strong Python and Generative AI proficiency, and hands-on experience building LLM-based systems with commercial or open-source models. Requires knowledge of RDF, OWL, ontologies, knowledge graphs, and SPARQL; experience with agentic frameworks such as Google ADK or LangChain agents; understanding of ETL/ELT, star schemas, and metadata-driven pipelines; cloud platform experience; and experience in semantic mapping, ontology enrichment, schema understanding, or related capabilities. The role also calls for problem-solving in ambiguous, greenfield initiatives and experience operating cloud-based AI and data platforms. Microsoft Azure and Microsoft Fabric are preferred cloud platforms.

Preferred

Enterprise models such as CIM; semantic alignment, ontology mapping, or data cataloguing tools; MLOps, LLMOps, model evaluation, and AI observability; distributed systems, CI/CD, and containerisation; AI-assisted analytics or semantic layers for BI or natural-language queries; and RAG. Relevant AI, cloud, data engineering, or platform certifications may be an advantage, but none is mandatory. The posting lists Full Time, Part Time, and Contractual arrangements and an expiry date of 10/10/2026.

For full details about this role, click “Apply on company site” to view the employer’s original posting.

Skills for this role

PythonGenerative AILarge Language ModelsAgentic AIGoogle ADKLangChainRDFOWLOntologiesKnowledge GraphsSPARQLSemantic MappingOntology EnrichmentSchema UnderstandingData EngineeringETLELTStar SchemasMetadata-Driven PipelinesMicrosoft AzureMicrosoft FabricLakehouseApache SparkSQLMicroservicesBatch PipelinesCIMMLOpsLLMOpsModel Evaluation Trackers

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A focused preparation guide, built around this job’s responsibilities and requirements.

✦ AI-generated guide
Preparation suggestions, not the employer’s actual interview questions. Always check the original posting for current requirements.
01

Understand the role

What matters most

  • Agentic semantic workflows

    The posting calls for agentic pipelines for semantic mapping, dimension mining, and ontology-driven reasoning, plus LLM services for schema understanding and metadata generation. Prepare to explain the design and evaluation of a comparable workflow.

  • Enterprise ontology and graph reasoning

    The role builds RDF and OWL ontologies and SPARQL reasoning layers, with accuracy, traceability, and consistent interpretation emphasized. Prepare to discuss how definitions are modeled, queried, and validated; CIM alignment applies where relevant.

  • Business-ready dimensional data

    The role connects semantic reasoning to Python services and batch pipelines, then develops Fabric dimension and fact pipelines and star schemas from heterogeneous sources. Prepare to trace how semantic definitions become usable data transformations.

  • Production engineering standards

    The posting assigns reusable components and standards for quality, observability, security, and performance across cloud-based AI and data platforms. Prepare to explain operational design choices, not just prototypes.

  • Technical leadership without people management

    The individual-contributor role includes reviewing code, mentoring engineers, making technical decisions, and working with architects, domain experts, and governance teams on definitions and change. Prepare examples of technical decisions reached across those groups.

Likely challenges to think through

  • Balancing AI flexibility with semantic correctness

    Potential challenge, not a confirmed employer problem: LLM-generated mappings and metadata may be useful but hard to reconcile with traceable ontology reasoning. Prepare an approach for checking outputs against graph definitions and handling uncertain matches.

  • Turning varied sources into stable dimensions

    Potential challenge, not a confirmed employer problem: heterogeneous inputs may use conflicting meanings or levels of detail, while star schemas need consistent facts and dimensions. Prepare to explain how you would resolve definitions with domain experts before encoding Fabric pipelines.

  • Setting standards while delivering a greenfield platform

    Potential challenge, not a confirmed employer problem: ambiguous initiatives can pressure an individual contributor to ship quickly while establishing reusable, observable, secure components. Prepare to explain how you would sequence an initial implementation and the standards needed to operate it.

03

Practice your answers

Technical practice

How would you design an agentic pipeline for semantic mapping and dimension mining?

What to coverSuggested preparation: Explain how an agent framework such as Google ADK or LangChain agents could coordinate mapping, ontology lookup and review steps. Address how you would limit unsupported mappings and retain traceability from source fields to decisions.

How would you structure an RDF and OWL enterprise ontology?

What to coverSuggested preparation: Distinguish an upper ontology from domain extensions and explain when alignment to a canonical model such as CIM would be useful. Discuss how you would preserve consistent meanings as the ontology evolves.

How would you build an LLM-powered service for schema understanding and metadata generation?

What to coverSuggested preparation: Describe the inputs, structured outputs and checks needed to turn heterogeneous schemas into proposed semantic definitions. Compare commercial and open-source model choices in terms of accuracy, operating constraints and reviewability.

How would SPARQL querying and graph reasoning support downstream data transformations?

What to coverSuggested preparation: Explain how ontology relationships could inform mappings or transformation rules, and how you would check that query results reflect the intended semantics. Discuss query performance and the ability to trace a result back to graph evidence.

How would you connect semantic reasoning to Python microservices and batch pipelines?

What to coverSuggested preparation: Outline component boundaries, data contracts and the choice between service calls and batch processing. Explain how you would handle failures or ontology changes without silently producing inconsistent outputs.

How would you implement dimension and fact pipelines in Microsoft Fabric?

What to coverSuggested preparation: Describe plausible roles for Lakehouse storage, Spark, SQL and orchestration in an ETL or ELT flow. Explain how you would test data quality and manage incremental updates without assuming a particular client architecture.

How would you create a business-ready star schema from heterogeneous sources?

What to coverSuggested preparation: Explain how you would establish fact grain, dimension keys and shared business definitions before building pipelines. Discuss trade-offs when source systems disagree on identifiers or meanings.

How would you evaluate semantic mappings and LLM-generated ontology enrichments?

What to coverSuggested preparation: Propose checks for accuracy, consistency and traceability, including review against definitions validated by domain experts. Distinguish errors that can be detected automatically from proposals requiring human judgment.

How would you make a cloud-based AI and data platform observable and secure?

What to coverSuggested preparation: Discuss signals that reveal pipeline failures, degraded model outputs and performance bottlenecks across services and batch jobs. Explain how reusable standards could protect data and support reliable operation; Azure and Fabric are preferred platforms in the posting.

When would a semantic layer help BI or natural-language queries?

What to coverSuggested preparation: This is a preferred area in the posting; explain how governed definitions could connect user questions to consistent measures and dimensions. Discuss the trade-off between flexible queries and preventing ambiguous or misleading results.

Behavioural practice

Tell me about a time you worked through an ambiguous, greenfield technical problem.

What to coverSuggested preparation: Use a real situation to explain what was unknown, how you narrowed the options and what you built or decided. State the result and what evidence changed your approach.

Tell me about a time stakeholders disagreed on a data or semantic definition.

What to coverSuggested preparation: Describe the situation, your actions with architects, domain experts or governance partners, and how the definition or change was resolved. Explain the result for downstream users or adoption.

Tell me about a time you improved an engineer's work through a code review or mentoring.

What to coverSuggested preparation: Give the situation, the specific feedback or guidance you provided, and the resulting improvement. Keep the example focused on technical influence rather than formal people management.

Tell me about a time you diagnosed a quality or reliability issue in a production data or AI workflow.

What to coverSuggested preparation: Explain the symptoms, how you traced the cause and what you changed. Include the result and how you checked whether the fix held.

Tell me about a time you influenced a technical standard or reusable design across a team.

What to coverSuggested preparation: Describe the problem, how you weighed competing approaches and gained agreement, and what was adopted. Explain the outcome for quality, maintainability or performance without overstating your role.

02

Sharpen your knowledge

Topics to prepare

  • RDF, OWL and enterprise ontology design

    The posting requires ontology and knowledge-graph knowledge, including upper ontologies; CIM alignment applies where relevant, and CIM experience is preferred. Revise by sketching an upper ontology and a domain extension for two sample source schemas, then explain which relationships OWL can infer.

  • Agentic and LLM-based semantic workflows

    The role calls for agentic pipelines and LLM services for schema understanding, semantic mapping, dimension mining and metadata generation. Revise by diagramming how an agent proposes a mapping, checks it against an ontology and handles an ambiguous match.

  • Semantic accuracy and traceability

    The posting emphasizes accurate, traceable and consistent semantic interpretation. Revise by defining review criteria for proposed schema alignments: supporting source fields, ontology terms, conflicting evidence and cases requiring domain-expert validation.

  • ETL/ELT and dimensional modeling

    ETL/ELT, metadata-driven pipelines and star schemas are required concepts; the role produces dimensions and facts from heterogeneous sources. Revise by choosing a fact-table grain and explaining how two differently named source fields would map to a shared dimension.

  • Production platform design and governance

    The role involves cloud-based AI and data platforms, engineering standards, and collaboration with architects, domain experts and governance teams. Revise by outlining a change to a semantic definition and how you would assess its downstream effects, quality, security, performance and observability.

Skills to revise

  • Build an agentic mapping pipeline

    As practice for the stated pipeline responsibility, use Google ADK, LangChain agents or a similar framework named by the posting to route sample schema fields through mapping, ontology checks and an explicit unresolved-case outcome.

  • Write graph queries and reasoning checks

    Create a small RDF/OWL graph and write SPARQL queries that retrieve proposed field-to-concept mappings and the relationships supporting them. This directly rehearses the posted knowledge-graph querying and reasoning work.

  • Implement a Python semantic service

    Build a small Python service or batch step that accepts a schema description and returns proposed semantic labels with supporting evidence and uncertain cases. This is a practice exercise for the required Python, LLM-system and AI-assisted metadata work, not a specified employer project.

  • Produce dimension and fact pipelines

    Using sample heterogeneous tables, draft a Microsoft Fabric Lakehouse pipeline with Spark or SQL transformations that yields a dimension, a fact table and checks on keys and fact grain. The posting explicitly names Fabric, Lakehouse, Spark, SQL and star-schema delivery.

  • Review a production-oriented change

    Practice a code review of a hypothetical ontology or pipeline change: identify a semantic regression, a traceability gap and an operational check, then explain the decision to a domain expert. This reflects the posted review, mentoring and cross-team responsibilities.

04

Your preparation checklist

  • Map relevant experience to the role

    Prepare a one-page evidence map with specific examples of Python, LLM systems, agentic frameworks, RDF/OWL/SPARQL, data pipelines, and cloud operations. Mark gaps honestly; the posting lists these as required skills.

  • Rehearse an end-to-end project walkthrough

    Select a real project, if available, and explain the problem, your decisions, implementation, results, and trade-offs. Emphasize any schema understanding, semantic mapping, or AI-assisted metadata work relevant to the advertised responsibilities.

  • Sketch a semantic mapping design

    As a preparation exercise, diagram how an agentic workflow could map heterogeneous schemas to an RDF/OWL ontology, use SPARQL for checks, and retain traceable human-reviewed decisions. Explain how you would test accuracy and handle ambiguous mappings.

  • Work through a star-schema example

    Draft a small example showing source data, dimension and fact definitions, and ETL/ELT steps. Be ready to discuss how it could run with Microsoft Fabric Lakehouse, Spark, SQL, and orchestration tools named in the posting.

  • Prepare an operational design review

    Outline a Python service and batch pipeline connecting semantic reasoning to data transformations. Identify concrete approaches to quality, observability, security, performance, and change handling; distinguish approaches you have used from proposals.

  • Collect technical leadership examples

    Prepare brief, specific accounts of code reviews, mentoring, technical decisions, or work with data architects and domain experts. The role is an individual contributor position with these collaboration responsibilities, not a stated people-management requirement.

  • Write questions for the employer

    Ask which semantic models and data sources are in scope, how definitions are validated with domain and governance teams, what Azure or Fabric environment exists, and how success is measured for the client’s greenfield work. These are questions to clarify, not assumptions about the project.

AI-generated from the job information · Prepared Sep 30, 2026 (UTC)Useful preparation, not a guarantee of eligibility or an offer.

Availability last checked: 5 Nov 2026. Status can change after a check; confirm on the employer’s website. Report an issue · Our checking policy

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