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MoMo is the market leader in mobile payments in Vietnam. We strive to make all transactions fast, easy and joyful. We are looking for an experienced AI Engineer to join our growing Big Data AI team. At MoMo, we make AI/Machine Learning the core component to almost every part of the product - product recommendation, personalization, conversational AI, eKYC, risk scoring, fraud detection, promotion targeting and financial services. As a Senior AI Engineer, you will play a leading role in developing our Customer Service Chatbot system, delivering intelligent and seamless support experiences to millions of users.Mô tả công việcDesign, build, and optimize LLM-powered chatbot systems for customer service at scale;Develop and implement RAG (Retrieval-Augmented Generation) pipelines, prompt engineering strategies, and agentic workflows for domain-specific performance;Architect conversation flows, intent handling, and dialogue management systems that handle complex multi-turn interactions;Build evaluation frameworks and monitoring systems to measure chatbot quality, detect hallucinations, and ensure response accuracy;Collaborate cross-functionally with product, customer service operations, and engineering teams to continuously improve chatbot capabilities;Write production-grade code and maintain robust, scalable AI systems serving millions of users;Stay current with LLM advancements and evaluate new models, techniques, and tools for potential adoption.Yêu cầu công việc5+ years of experience as an AI Engineer, with at least 2 years focused on LLM applications or conversational AI systems;Deep understanding of LLM architectures, capabilities, and limitations (GPT, Claude, LLaMA, etc.);Experience building chatbot or virtual assistant systems, particularly for customer service use cases;Fintech domain experience is a strong plus;Proficiency in RAG systems, vector databases, embedding models, and prompt engineering techniques;Strong software engineering skills in Python. Experience with LLM tooling (LangChain, LlamaIndex, etc.);Experience with system design for high-availability, low-latency services;Familiarity with evaluation methods for generative AI systems and conversation quality metrics.

As a Senior Associate, Agent vendor Account Management, you will (i) provide excellent support services to franchisees across our franchise network to ensure operational stability, and (ii) monitor and improve franchise performance by ensuring consistent service delivery, adherence to operational KPIs, and overall franchise excellence. This role bridges data-driven insights, operational execution, and franchisee enablement.1. Operational Performance Set up and OversightCollaborate with Ops, OPEX, and BI teams to analyze franchise KPIs (e.g., on-time rates, success/failure rates, CAP)Track implementation metrics and lead monthly/quarterly reviews with regional teams and franchise partnersSet regional benchmarks, identify performance gaps, and drive corrective actions using data insights2. Franchise Operations SupportServe as the primary liaison between SPX and franchise partners, supporting onboarding, daily operations, and offboarding.Develop and maintain SOPs for escalations, audits, and cross-functional collaboration to ensure accountability and timely support.Conduct site visits, ensure compliance with operational standards, and collaborate with field teams to resolve issues and implement new initiatives.3. Reporting Stakeholder CommunicationDevelop and maintain operational dashboards, performance databases, and executive summaries for leadership and franchise reviews.Present insights and findings to stakeholders to support data-driven decision-making and continuous improvement.Ensure franchise compliance with SOPs and policies, support change management, and address recurring non-compliance issues with relevant teams.