Senior AI Engineer- #AIDA

Singapore Telecommunications Limited; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Singapore Telecommunications Limited is seeking a highly skilled AI Engineer to design, build, and scale AI and agentic AI solutions that drive real business impact. You will collaborate with solution architects and Lead AI Engineers to translate requirements into robust AI-driven systems, ensuring security, scalability, and production readiness.

This role requires strong applied AI development, full stack software engineering, and operational ownership across Enterprise, IT, Networks and

Qualifications

• Bachelor’s or Master’s degree in CS, Engineering, Data, AI/ML, or related field.
• 3-5 years of proven experience developing and deploying software and AI solutions.
• Proficient in Python, and TypeScript/Node.js, SQL.
• Hands-on with LangChain, LangGraph, or similar AI frameworks.
• Experience with API development and integration (RESTful, gRPC, MCP a plus).
• Knowledge of middleware systems, including SSO and access control (OAuth2, JWT).
• Familiar with version control (GitHub, GitLab, Bitbucket).
• Exposure to cloud platforms (Azure, AWS, GCP).

Responsibilities

• Build end-to-end AI/agentic AI workflows.
• Develop and maintain integration of AI solutions with enterprise systems via APIs.
• Collaborate with architects and software engineers on solution approaches.
• Enhance and maintain user interfaces for usability and continuous improvement.
• Design hybrid solutions with backend, frontend, LLM, and RPA concepts.
• Maintain middleware components including SSO, authentication and authorization.
• Monitor production AI solutions, KPIs, and fix performance issues.

Skills

Python

TypeScript

Node.js

SQL

LangChain

LangGraph

LLM integration

Prompt engineering

RESTful APIs

OAuth2

JWT

GitHub

GitLab

Azure

AWS

GCP

API development

Middleware

Education

Bachelor’s or Master’s degree in CS/Engineering/Data/AI/ML

Tools

Azure

AWS

GCP

Job description

Powering the Future with AIDA

To lead the next phase of our AI evolution, we’ve launched a new business unitAIDA–Artificial Intelligence & Data Analytics– a strategic engine driving our transformation designed to scale our AI ambitions with precision and purpose.This marks apivotal shift in how we operate, innovate, and serve to embed intelligence into every layer of our business.

AtSingtel, this is more than a technology upgrade. It’s astrategic transformationthat redefines how value is created across the enterprise core—augmenting human capabilitiesand unlocking entirely new potential. It is a transformation journey by aligningpeople, platforms, and processesunder one cohesive strategy. Our mission is to buildAI literacy, and foster a culture whereintelligence empowers people.

We welcome you to join uson a transformational journey that’s reshaping the telecommunications industry — and redefining what’s possible with AI at its core.Grow with usin a workplace that championsinnovation, embracesagility, and putshuman potentialat the heart of everything we do.

Be a Part of Something BIG!

We are seeking a highly skilled AI Engineer to design, build, and scale AI and Agentic AI solutions that drive real business impact. You will collaborate closely with solution architects and Lead AI Engineers to translate requirements into robust AI-driven systems, ensuring solutions are secure, scalable, and production-ready.

This role requires a strong balance of applied AI development, full stack (front end/backend) software engineer, R&D curiosity, and operational ownership.

Make an Impact by:

• Build end-to-end workflows using AI, software and automation solutions
• Develop and maintain integration of AI solutions with enterprise systems via APIs, MCP, and related frameworks.
• Work with architects to understand requirements and define solution approaches, while partnering with software engineers for system integration.
• Enhance and maintain user interfaces for usability and continuous improvement.
• Design hybrid solutions combining backend, frontend, LLM, prompting, potentially RPA for human-in- the-loop workflows
• Maintain middleware components including SSO, authentication, and authorization mechanisms.
• Monitor production AI solutions, track KPIs, and proactively resolve performance or reliability issues.
• Implement security best practices, establish fallback/backup strategies, and mitigate potential risks in AI solutions.
• Maintain and enhance existing solution with right and relevant AI capabilities across Enterprise, Consumer, IT, Networks and Corporate Functions domain.
• Support and optimize the marketplace recommender system, ensuring updated offers and business rules are integrated smoothly.
• Monitor, troubleshoot, and improve production pipelines, backend and frontend application and AI services for reliability, performance, and scalability.
• Stay up to date with the latest advancements in AI/agentic AI and conduct applied research to enrich internal capabilities.
• Apply software engineering standards, including modular code design, reproducibility, and rigorous testing.
• Faced new problems which does not exist a tested approach and requires some level of R&D
• Balancing between process and approval management vs project timelines

Skills for Success:

• Bachelor’s or Master’s degree in Computer Science, Engineering, Data, AI/ML, or related field.
• 3-5 years of proven experience developing and deploying software and AI solutions, with exposure to agentic AI frameworks.
• Proficient in Python, and TypeScript/nodejs, SQL, etc
• Hands-on experience with LangChain, LangGraph, or similar AI frameworks.
• Good knowledge in LLM integration and orchestration.
• Knowledge in prompt engineering.
• Experience with API development and integration (RESTful, gRPC, MCP a plus).
• Knowledge of middleware systems, including SSO and access control (OAuth2, JWT, etc.).
• Familiar with version control (GitHub, GitLab, Bitbucket).
• Exposure to cloud platforms (Azure, AWS, GCP preferred).
• Passion for applied R&D, staying ahead of AI advancements, and bringing innovative ideas into production.
• Strong problem-solving ability, attention to detail, and ability to collaborate effectively across teams.
• Comfortable working in a cross-functional team (Software/AI engineers, data platform, business users).
• Experience in building secure, enterprise-grade integrations.

Are you ready to say hello to BIG Possibilities?

Take the leap with Singtel to unlock new opportunities and accelerate your growth.