Web Developer [Junior/Mid-Level]

About Manao Software 

Manao Software has been building custom software since 2007. We are a team of 120 people in Chiang Mai and Bangkok, and we build web and mobile applications for Thai enterprises and for clients in Europe, Australia, and other international markets. 

We are Danish owned. Our approach is straight talk and solid delivery: we say what is realistic, and then we deliver it. 

About the Role 

We are hiring Web Developers (Junior / Mid-Level) as part of our expansion. We are looking for .NET Programmers who will be joining our experience and passionate team to create awesome and high-quality web apps for our clients.  

As a Web Developer, you will report to Project Manager and will have a unique opportunity to work with people from various backgrounds on many types of projects using the most modern technologies, frameworks, tools and AI. 

Tasks & Responsibilities 

• Develop and maintain backend features and APIs using ASP.NET Core and/or NodeJS, and other modern frameworks and technologies. 

• Build responsive front-end UI elements using HTML, CSS, and JavaScript, and modern frameworks such as React.js or Next.js, and integrate them with backend APIs. 

• Use agentic AI and AI-assisted development tools (e.g., Claude, GitHub Copilot) to support coding, refactoring, and documentation. 

• Work with relational (e.g., SQL Server, PostgreSQL) and NoSQL (e.g., MongoDB, Firebase) databases, depending on project needs. 

• Do object oriented analysis, design, and programming. 

• Write clean code, refactor code, and take part in code reviews. 

• Use Git for version control (branching, merging, pull requests) following team guidelines. 

• Work in a team that uses Scrum and Kanban for project management, tracking work in JIRA. 

Requirements 

• Thai nationality. 

• Bachelor’s degree in Computer Science, Computer Engineering, Software Engineering or related major. 

• 0–2 years of experience for Junior level, or 2–5 years for Mid-Level, in backend web development (ASP.NET Core and/or NodeJS). 

• Good understanding of Object-Oriented Programming. 

• Familiarity with relational databases (e.g., SQL Server, PostgreSQL) and NoSQL databases (e.g., MongoDB, Firebase). 

• Familiarity with Git and version control practices. 

• Familiarity with front-end frameworks such as React.js or Next.js. 

• Comfortable using agentic AI and AI-assisted development tools (e.g., GitHub Copilot, Claude). 

• Microsoft certification is optional but a plus. 

• Fluent in English (both verbally and in writing) and effective communication skills