Java, Python, SQL, C++, and JavaScript programming skills are most in demand in the workplace, says the HackerRank developer skills report.

Adding to the bevy of existing programming language popularity indices, developer careers company HackerRank is incorporating the job interview process into the mix.

With its HackerRank Jobs mobile app debuting today, HackerRank plans to bring developers together with potential employers based on software development skills rather than resumes alone.

HackerRank’s Vice President of Product, David Park, says it’s a powerful way to differentiate candidates. It also helps prospective employers hire on skill rather than pedigree. Facebook, for ...