AI Application Development Engineer

dtcpay; Kuala Lumpur; On-site; MYR 90,000 - 120,000; Full time

Job summary

A financial technology innovator in Kuala Lumpur is seeking an AI Application Development Engineer to shape the future of intelligent applications. The role involves building innovative solutions with large language models and integrating AI into business platforms. Candidates should have extensive experience in AI application development, strong architectural design skills, and proficiency in English and Mandarin. The position is fully onsite, offering a chance to work hands-on with cutting-edge technology and drive real-world AI adoption.

Qualifications

• 5+ years of development experience, with at least 2 years in AI application deployment.
• Ability to independently design end-to-end AI solutions.
• Familiarity with multiple Agent frameworks.
• Experience with complex use cases in finance/government sectors.
• Deep knowledge of prompt strategies and RAG architecture optimisation.
• Strong architectural design skills.
• Team collaboration and leadership capabilities.
• Proficiency in both English and Mandarin.

Responsibilities

• Build intelligent applications based on large model APIs.
• Write and optimize prompts, manage multi-turn conversations.
• Use frameworks to construct complex task flows.
• Design and implement retrieval-augmented generation (RAG).
• Package AI model capabilities into reusable APIs/services.
• Monitor model performance and optimize continuously.
• Collaborate with product, design, and business teams.

Skills

AI application deployment

Prompt strategies

Cross-system integrations

Team collaboration

Tools

LangChain

LlamaIndex

Haystack

Job description

dtcpay is a MAS-licensed payment service provider that bridges traditional finance and digital assets. We enable businesses to accept and make payments in both fiat and digital currencies, delivering secure, efficient, and seamless payment experiences across borders. As we expand our footprint worldwide, we are shaping the future of the digital payments space and driving the next chapter of growth.

We are also recognised as one of Singapore’s Top 10 Startups in the LinkedIn Top Startups 2025 list, a reflection of our momentum and the exciting journey ahead for our team.

Join us as an AI Application Development Engineer and play a key role in shaping the future of intelligent applications. You will work with the latest large language models to build innovative solutions such as smart agents, retrieval-augmented generation (RAG) systems, and automation assistants, while integrating AI seamlessly into real-world business platforms. This is a chance to be hands‑on with cutting‑edge technologies, collaborate across teams, and bring impactful AI capabilities from concept to production.

What You'll Do:

• AI Application Design & Development: Build intelligent applications based on large model APIs (e.g., OpenAI, Claude, Gemini, and other LLMs), such as Agent workflows, intelligent Q&A, report generation, and automation assistants.
• Prompt & Dialogue Management: Write and optimize prompts, manage multi‑turn conversations, and ensure model responses are stable and business‑relevant.
• Agent Framework Practice: Use frameworks such as LangChain, LlamaIndex, and Haystack to construct complex task flows (e.g., external tool/API calls, knowledge base retrieval, task orchestration).
• Knowledge Base & RAG: Design and implement retrieval‑augmented generation (RAG) based on vector databases, including text chunking, embedding management, and recall optimisation.
• Engineering & Integration: Package AI model capabilities into reusable APIs/services, integrate them into front‑end and back‑end business systems, and ensure performance, scalability, and fault tolerance.
• Application Optimization & Iteration: Monitor model performance (accuracy, response time, cost) and continuously optimise.
• Cross‑Team Collaboration: Work closely with product, design, and business teams to drive real‑world adoption of AI capabilities.

What We're Looking For:

• 5+ years of development experience, with at least 2 years in AI application deployment.
• Ability to independently design end‑to‑end AI solutions, including Agent workflows, knowledge base construction, and model optimisation.
• Familiarity with multiple Agent frameworks, with the ability to evaluate and select the best approach for specific business scenarios.
• Experience with complex use cases (e.g., cross‑system integrations, multi‑Agent collaboration, compliance in finance/government sectors).
• Deep practical knowledge of prompt strategies, context memory, and RAG architecture optimisation.
• Strong architectural design skills: able to productise AI applications (service‑oriented, modular, multi‑tenant), while ensuring stability, monitoring, and cost control.
• Team collaboration and leadership skills, with the ability to mentor mid‑level developers and lead projects to completion.
• Proficiency in both English and Mandarin as you will need to work closely with Chinese vendors.

The role is based fully onsite, requiring your presence in the office.