Tech Lead Gen AI

About the role

At Valtech, you'll find an environment designed for continuous learning, meaningful impact, and professional growth. Whether you're pioneering new digital solutions, challenging conventional thinking or building the next generation of customer experiences, your work will help transform industries. We are proud of: The work we do and the innovation we drive Our values of share, care a nd dare A workplace culture that fosters creativity, diversity and autonomy Our borderless, global framework, which enables seamless collaboration As a Tech Lead GenAI , you are passionate about experience innovation and eager to push the boundaries of what's possible. You bring 8+ YEARS of experience, a growth mindset and a drive to make a lasting impact. You will thrive in this role if you are: A curious problem solver who challenges the status quo A collaborator who values teamwork and knowledge-sharing Excited by the intersection of technology, creativity and data Experienced in Agile methodologies and consulting (a plus)

Responsibilities

• Architecture & Systems Design
• Design and own event-driven, micro-services architectures on GCP
• Architect end-to-end RAG pipelines - ingestion, chunking, retrieval, and generation - for production workloads
• Define and enforce network and access security patterns: IAP, VPC-SC, Secret Manager
• Author Architecture Decision Records (ADRs) and enforce Definition of Done (DoD) standards
• Trade-offs, Cost & Performance
• Lead LLM selection decisions - Vertex AI vs. open-source - with structured cost-benefit framing
• Optimize GenAI run costs through token budgeting, embedding cache strategies, and model tiering
• Own scalability design for Cloud Run workloads, including cold-start mitigation and load-testing strategy
• Translate architectural trade-offs into clear stakeholder communication
• Data & Document Quality
• Design source modeling strategies across Drive, GCS, and Vector Search
• Define and enforce chunking strategies and Registry governance for document pipelines
• Proactively identify and retire technical debt; maintain a prioritized remediation backlog
• Technical Leadership
• Mentor engineers through code reviews, pair programming, and design walkthroughs
• Serve as the primary technical interface with FR Core Team and AI sponsors
• Champion engineering standards and drive adoption of best practices across the squad
• Must have qualifications
• To be considered for this role, you must meet the following essential qualifications:
• 8+ years of software engineering experience, with 3+ years in AI/ML engineering or GenAI platform roles
• Production-grade RAG system delivery - from ingestion through retrieval to generation - not just prototyping
• Deep GCP proficiency: Vertex AI, Cloud Run, Pub/Sub, VPC-SC, IAP, Secret Manager
• Hands-on experience with vector stores: Vertex AI Vector Search, Weaviate, Pinecone, or equivalent
• LLM evaluation and selection experience : commercial (Gemini, GPT-4) and open-source (Mistral, LLaMA)
• Architectural authoring: ADRs, tech specs, system diagrams for engineering and cross-functional audiences
• Demonstrated team lead experience : code reviews, technical mentorship, squad-level design ownership
• Nice to have qualifications
• Experience with embedding cache optimization and token-level cost management at scale
• Knowledge of GCS-based document pipelines and chunking strategy design for retrieval quality
• Familiarity with LLM observability tooling: LangSmith, Arize, Weights & Biases
• Exposure to enterprise AI governance frameworks or FR Core delivery models
• Google Cloud Professional ML Engineer or Cloud Architect certification
• Cloud Platform ,GCP - Vertex AI, Cloud Run, Pub/Sub, GCS, IAP, VPC-SC, Secret Manager
• GenAI / LLMs ,Gemini Pro / Ultra, GPT-4, Mistral, LLaMA 2/3, Claude
• RAG & Retrieval ,Vertex AI Vector Search, Weaviate, LangChain, LlamaIndex
• Languages , Python (primary), TypeScript / Node.js
• Observability , Cloud Monitoring, LangSmith, Arize AI
• Standards , ADR, DoD, OpenAPI, proto3.
• If you do not meet all the listed qualifications or have gaps in your experience, we still encourage you to apply. At Valtech, we recognize that talent comes in many forms, and we value diverse perspectives and a willingness to learn.
• Commitment to reaching all kinds of people
• The benefits
• This is a Full tim

Additional Information

Why Valtech? We're the experience innovation company - a trusted partner to the world's most recognized brands. To our people we offer growth opportunities, a values -driven culture, international careers and the chance to shape the future of experience.

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