John Lim

I am a Senior Software Engineer with 9 years of experience in Python, backend development, SQL, web development, algorithms, and computer science fundamentals. I help students understand programming in a clear, practical, and confidence-building way.

My lessons are personalized based on each student’s level and goals. For beginners, I focus on strong foundations such as variables, functions, loops, data structures, object-oriented programming, and problem solving. For intermediate or advanced students, I can help with Python projects, SQL, APIs, web development, debugging, algorithms, databases, Java, C++, JavaScript, TypeScript, and real-world software engineering concepts.

My teaching style is practical and structured. I usually start by identifying what the student already knows, where they feel stuck, and what they want to achieve. Then I explain concepts with simple examples, live coding, guided exercises, and step-by-step problem solving. I also help students improve their assignments, prepare for exams, review code, and build small projects.

Because I work professionally as a software engineer, I can connect theory with real-world examples. My goal is not only to help students complete a task, but also to help them truly understand the logic behind the code and become more independent, confident programmers.