Full-stack Software Engineer - AI Agent

Wati is the world's leading WhatsApp-first conversational growth platform, empowering businesses to build deeper customer relationships and accelerate revenue growth.

Trusted and loved by over 14,000 customers across 100+ countries, Wati has established itself as the premier choice for businesses leveraging WhatsApp and other messaging channels to connect with customers on their platform of choice.

In a world where real-time interactions drive growth, Wati's story is all about business growth through conversations. At Wati, we believe that every conversation matters, whether it's engaging a first-time prospect, nurturing a qualified lead, or deepening relationships with loyal clients. We transform these conversations into opportunities for building relationships, and strong relationships lead to increased revenue.

Our Platform

The AI-native platform simplifies complex business operations by bringing all customer interactions under one intelligent roof. Designed for scalability and ease of use, our solution delivers a measurable ROI while adapting to businesses of all sizes, from emerging startups to established enterprises.

Our Backing & Partnerships

Wati is proudly backed by world-class investors including Tiger Global, Sequoia Capital, DST Global, and Shopify. As a Premium-tier Partner of Meta, Google, and WhatsApp, we maintain the highest standards of integration and platform excellence.

About The Role

We’re looking for a Full-stack Software Engineer to help build our next-generation AI Customer Service Agent. You’ll work on core architecture, develop key features, integrate external APIs, and improve performance and usability. This role works closely with product and design teams to deliver scalable, high-impact solutions.

Job Responsibilities

• Participate in building the next-generation SaaS Customer Service Agent, responsible for the core architecture design and development of the AI Agent, ensuring seamless integration with existing products.
• Engage in full-stack development and AI Agent construction, optimizing key modules such as decision-making, task scheduling, and multimodal data processing for performance and stability.
• Integrate and call various external APIs to connect internal and external data sources.
• Continuously optimize the Agent’s usability, stability, and effectiveness based on feedback and performance metrics, ensuring high performance and scalability.
• Collaborate closely with product, design, and business teams to gather requirements, design scalable solutions, and drive rapid iteration and deployment.
  
  

• Bachelor’s degree or above in Computer Science or a related field, with 3–5 years of relevant work experience.

• Strong full-stack development capability, proficient in backend languages such as Python or Go, and good front-end experience including JavaScript / TypeScript and frameworks such as React, with clean and structured coding practices.
• Familiarity with AI concepts and frameworks related to Agent development.
• Strong problem-solving and independent working skills, with excellent communication and teamwork abilities.

Preferred Qualifications

• Proficiency in using AI-driven development tools (e.g. Cursor) to improve front-end development efficiency.
• Experience in developing Agent systems or automation frameworks; experience in secondary development on Dify or Coze is a plus.
• Familiarity with cloud platforms such as GCP or AWS.
• Fluency in English for daily work; management experience is an advantage.

What You’ll Gain

• Opportunity to use cutting-edge AI technology to build and scale real-time communication systems supporting global users.
• Close collaboration with senior engineers to rapidly grow your technical expertise.
• Valuable experience in a fast-growing, international SaaS company.