Software Developer – 12+ Month Contract

Software Developer – 12+ Month Contract Location: Bangkok Working Arrangement: Hybrid, Monday–Friday Contract: Initial 6+ months, with potential extension or permanent conversion About the Role Our client is seeking a Software Developer to support the development and enhancement of its enterprise applications. You will work across the full technology stack, building responsive user interfaces with Next.js, developing scalable back-end APIs using C# and .NET Core, and optimizing data operations across SQL Server and PostgreSQL. Core Technology Stack Next.js and React C# and .NET Core SQL Server PostgreSQL Key Responsibilities Develop responsive and user-friendly web interfaces using React and Next.js. Design, build, and maintain scalable back-end APIs using C# and .NET Core. Integrate front-end applications with internal systems and back-end services. Write and optimize queries across SQL Server and PostgreSQL databases. Troubleshoot application issues and perform system and database performance tuning. Produce clean, maintainable, and well-structured code. Participate in testing, debugging, code reviews, and application deployment. Collaborate with technical and business teams to deliver effective solutions. Support the ongoing improvement and maintenance of existing applications. Qualifications At least 2 years of professional software development experience. Strong knowledge of React and the Next.js ecosystem. Solid C# and .NET Core development experience. Experience designing or consuming RESTful APIs. Practical experience with relational database management systems. Good SQL skills, ideally covering SQL Server and PostgreSQL. Understanding of application performance optimization and database query tuning. Strong analytical and problem-solving skills. Ability to work independently and collaboratively within a development team. Contract Details and Benefits Initial contract duration of 6+ months. Potential contract extension or permanent conversion, subject to client approval. Hybrid working arrangement in Bangkok. Six days of annual leave during the initial contract period. Social Security. Start date subject to candidate availability and completion of the required checks.