Product engineering focuses on creating and maintaining software products, while IT services encompass a broader range of technology-related support, including infrastructure management and technical support.

Software product engineering is geared toward creating marketable software products with a broader audience in mind, while custom software development tailors solutions to specific client needs.

Yes, software product engineering services companies typically offer post-development support, including maintenance, updates, and troubleshooting to ensure the product's continued success.

To find the best product engineering company, research their portfolio, client reviews, and industry reputation. For hiring dedicated developers, use platforms like Upwork or Toptal or consult with IT staffing agencies. Conduct interviews and assess their expertise and compatibility with your project.