Software Engineer II (Backend)

Wati is the world's leading WhatsApp-first conversational growth platform, empowering businesses to build deep er customer relationships and accelerate revenue growth. Trusted and loved by over 14,000 customers across 190+ 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 Premier-tier Partner of Meta, Google, and WhatsApp, we maintain the highest standards of integration and platform excellence.

About the Role

We are looking for a Software Engineer II (Backend) to join our growing engineering team in Vietnam. In this role, you will work on building, maintaining, and improving backend services and APIs that power Wati’s SaaS platform. 

You will work closely with senior engineers, product managers, and frontend teams while gaining hands-on experience with scalable systems and real-world production workloads.

Key Responsibilities

• Develop, test, and maintain backend services and APIs that power WATI’s SaaS platform and WhatsApp Business solutions.
• Work closely with frontend, mobile, and product teams to deliver new features and improvements efficiently.
• Write clean and maintainable code, and contribute to system design discussions and code reviews.
• Participate in code reviews and learn system design fundamentals from senior engineers.
• Assist in debugging, troubleshooting, and improving performance of backend components.
• Contribute to improving development workflows, CI/CD pipelines, and deployment processes.
• Continuously learn new technologies and apply them to improve system reliability and scalability.

Requirements

• Bachelor’s degree or above in Computer Science, Engineering, or related field.
• 4-6 years of experience in backend development.
• Required: Experience with backend development using Golang or C# .NET.
• Basic understanding of databases (SQL or NoSQL) and RESTful APIs.
• Basic understanding of version control (Git).
• Exposure to cloud platforms (AWS, GCP, or Azure) is a plus.

Nice to have

• Experience with MongoDB or PostgreSQL
• Basic knowledge of JavaScript or TypeScript
• Strong problem-solving skills, willingness to learn, and a collaborative mindset.
• Comfortable reading and writing technical documentation in English.

Why join us?

• Be part of a diverse, globally distributed team.
• Enjoy a collaborative, transparent, and empowering culture.
• Competitive compensation and flexible working arrangements.
• Work at the forefront of AI and SaaS innovation and make real impact.