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Senior Agentic Engineer (Client Apps)

Starhub Ltd.

D14 Geylang, EunosFull TimeS$5,000 – S$8,500/mo

Posted 24 Jun 2026

About this role

The Senior Agentic Engineer (Client Apps) will design, build, and productionize AI-assisted and agentic capabilities across client applications, turning customer and service journeys into reliable tool-using workflows. They will integrate LLMs, retrieval/context patterns, backend APIs, analytics, and monitoring into performant mobile and web experiences while maintaining strong engineering discipline across testing, observability, release controls, and guardrails. This role also champions continuous improvement through reusable agentic patterns, evaluation practices, and adoption of emerging AI and client-app engineering best practices. Key Responsibilities Design, develop, and maintain agentic features for client applications using LLMs, tool/function calling, workflow orchestration, and app integrations. Translate customer and service journeys into AI-assisted experiences across mobile and web channels while preserving usability, accessibility, and performance. Implement prompt, context, memory, and retrieval patterns with controlled data access, reusable components, and clear ownership boundaries. Integrate agent workflows with REST APIs, GraphQL, Firebase, backend services, analytics platforms, and enterprise systems. Build efficient, reusable, and testable client-app and orchestration code while adhering to clean architecture and secure engineering practices. Establish and manage release pipelines for AI-enabled features, including configuration, prompt, model, and workflow changes. Implement and maintain automated tests and AI evaluation workflows for prompts, tools, API contracts, regression scenarios, and user journeys. Apply guardrails, fallback paths, human-in-the-loop controls, and monitoring to manage AI quality, safety, latency, and cost. Optimize client-app performance, model/tool latency, observability, crash reporting, analytics, and real-user monitoring post-launch. Stay updated with emerging trends in agentic AI, LLM application development, and…

What they're looking for

Aihands-on skillsClean ArchitectureRegression Testing

About Starhub Ltd.

Industry: Information & communications

Frequently asked questions

What does a Senior Agentic Engineer (Client Apps) at Starhub Ltd. do?

The Senior Agentic Engineer (Client Apps) will design, build, and productionize AI-assisted and agentic capabilities across client applications, turning customer and service journeys into reliable tool-using workflows. They will integrate LLMs, retrieval/context patterns, backend APIs, analytics, an…

What skills does this Senior Agentic Engineer (Client Apps) role need?

Key skills for this role include Ai, hands-on skills, Clean Architecture, Regression Testing.

How much does a Senior Agentic Engineer (Client Apps) at Starhub Ltd. pay?

This role lists a salary of S$5,000 – S$8,500 per month.

Is this Senior Agentic Engineer (Client Apps) role remote, hybrid, or on-site?

The listing is based in D14 Geylang, Eunos. Check the posting for remote or hybrid options.

How do I apply for this Senior Agentic Engineer (Client Apps) role?

You can apply directly on Starhub Ltd.'s careers page. ApplyLah can tailor your résumé and cover letter to this exact role in seconds first.