The Engineer will be embedded within the Client AI Programme team and will:

• Design, build, test, deploy, and operate production AI applications across for clients.
• Write high-quality full‑stack software across TypeScript, NestJS, React, Postgres, and AWS.
• Integrate LLM and multimodal APIs in production, including prompting, tool/function calling, streaming, voice interaction, retrieval, and memory patterns.
• Build evaluation pipelines for AI quality, safety, regression testing, and human review.
• Improve observability across AI products, including traces, logs, metrics, user feedback loops, and model behaviour monitoring.
• Build and harden prototypes of emerging AI capabilities into maintainable product or platform components.
• Collaborate with product managers, designers, data scientists, governance colleagues, GovTech Central, and client stakeholders.
• Senior/Staff engineers...