Semantics Architect - Data & AI Platform

About The Role

TymeX is building one of the most advanced Data & AI platforms in digital banking. A core pillar of this platform is a unified semantic layer that ensures every data product across our domains is interoperable, trustworthy, and AI‑ready.

As a Semantics Architect, you will design and govern this semantic backbone across domains and countries. Your work will directly power dynamic customer 360, conversational analytics, accurate LLM retrieval, and actionable AI agents across the bank.

This is a rare opportunity to define a semantic architecture from the ground up to safely unleash AI agents and automation at industrial scale.

What You’ll Do

• Own and evolve the semantic architecture for the bank
• Design, maintain, and govern AI‑ready semantic architecture and underlying technical framework
• Work with domain experts and architects to establish naming conventions, ontologies, and data‑modeling rules & taxonomies
• Build and maintain a canonical model that enables dynamic reconstruction of entire customer journeys across our products and channels
• Define the domain event ontology and event schemas ensuring consistent semantics across all transactional, behavioral, and system events
• Determine a robust metadata architecture and framework and ensure seamless integration with our foundation data platform Databricks
• Define and manage the semantic runtime, ensuring semantic definitions are performant, executable, testable, queryable, and consistently applied across ETL, feature pipelines, LLM retrieval workflows, MCP Server, and real‑time APIs
• Design the semantic graph (entities, relationships, hierarchies, business rules) that forms the backbone for reasoning, AI retrieval, event linking, and customer journey reconstruction & ultimately AI taking actions
• Develop a framework to embed semantics capture through data product development in a frictionless and consistent manner
• Develop intelligent AI‑assisted solutions to ensure semantic consistency with Data Product or Domain SME in the loop
• Develop solutions to detect and remediate semantic drift
• Own the product roadmap for semantic tooling & frameworks – such as semantic catalog, semantic contract validator, lineage resolver, semantic drift detector, and ontology editing/visualisation tools, canonical model builder
• Define the Semantic and Data Architecture for "Shared" Data Products such as Master Data, Reference Data, Feature Store, Regulatory Data Products, Core Product data such as User, Session, Channel
• Ensure interoperable, distributed ownership aligned with Data Mesh principles wherever practical
• Design semantics layer to power Classic and Modern AI (LLM) large‑scale workloads and use‑cases
• Define semantic grounding strategies for LLMs, enabling hybrid retrieval (SQL + vector + ontology), context resolution, and reliable semantic augmentation for AI agents
• Develop semantics layer that powers reliable and trustworthy conversational analytics e.g. AI Genie in Databricks or custom AI conversational data agents
• Enable frameworks to ensure efficient and effective semantic consumption as part of Context Engineering and Machine learning
• Coach DPOs, stewards, architects, and engineers on semantic best practices
• Define templates, frameworks, and accelerators to platform teams for automation
• Drive reusable semantic building blocks across product teams
• Collaborate with Platform, Governance, and Engineering teams to turn ideas into reality
• Ensure semantics integrate with Databricks, Unity Catalog, DLT, dbt, and AI tools
• Align semantic models with quality, security, lineage, and access policies

Requirements

• Master’s degree in a relevant field
• 5+ years of hands‑on experience in semantic or ontology or data modeling
• Proven experience delivering semantics and metadata at scale for large AI workloads
• Experience with hyper‑scalar data platforms, semantic tools, dbt, LookML, MDX, Delta Lake, Spark, SQL, Palantir
• Strong understanding of data contracts and data quality frameworks
• Strong understanding of Data Mesh Principles and a "taste" for implementing the "Socio‑Technical" changes required to democratise data
• Experience building analytics, ML, or AI‑driven systems with semantics inputs
• Hands‑on builder‑leader who is not shy of building frameworks to accelerate understanding and development process and turn ideas into reality
• Strong communication and stakeholder alignment skills
• Passion for modern AI and reusable data ecosystems

Benefits

• Performance bonus up to 2 months
• 13th month salary (pro‑rata)
• 15 days annual leave + 3 sick days + birthday leave + Christmas leave
• Meal & parking allowance
• Full salary & benefits during probation
• Premium healthcare for you and your family
• Growth pathways, conferences, and continuous learning
• International, values‑driven culture
• Overseas travel opportunities
• Internal hackathons, team events, Blue Card program
• 40‑hour week, Monday‑Friday
• Relocation offered to Vietnam. Strong candidates overseas will be considered for remote location as well.

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