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Hiring talent with Upwork Skill Certifications

Freelancers with Upwork Skill Certifications have passed rigorous assessments demonstrating expertise in select Web, Mobile & Software Development and Customer Service skills. Offered by invitation only, certifications can streamline talent selection, though clients should still conduct interviews to ensure fit for their specific needs.


Freelancers who have an Upwork Skill Certification on their profile have successfully passed an Upwork assessment process demonstrating proficiency in a given skill. We offer Upwork Skill Certifications to talent on an invitation-only basis for certain skills in Web, Mobile & Software Development, and Customer Service.

Because this talent has been assessed, these skills certifications are intended to help you save time in screening talent independently. However, you should still conduct your own screening and interview process to ensure the selected freelancer is a great fit for your particular need.

Available Skill Certifications

Currently, we offer skill certifications to talent on an invitation-only basis in Web, Mobile & Software Development, and Customer Service.

Web, Mobile & Software Development

Upwork Skill Certifications in Web & Mobile Software Development test for individual proficiency in a particular language or technology.

  • Android, Java
  • Android, Kotlin
  • C#, Desktop Software Development
  • C++, Desktop Software Development
  • iOS, Objective-C
  • iOS, Swift
  • Java Back-end Development
  • JavaScript Back-end Development
  • JavaScript Front-end Development
  • PHP Front-end Development
  • Python Back-end Development
  • Ruby on Rails Back-end Development
Customer Service

The customer service test evaluates a candidate’s ability to understand customer issues, identify the root cause, determine effective solutions, and respond with empathy and professionalism. We cover these skills:

  • Conflict resolution
  • Communication
  • Prioritization
  • Problem solving
  • Listening skills
  • Interpersonal skills

Assessment Process

Web, Mobile & Software Development

This certification requires a passing score on a two-part 2-3 hour technical assessment. The first part of the assessment is a timed, proctored coding test with four language agnostic algorithm-based questions that test implementation and problem-solving skills. The second part is a timed, skill-specific coding test with a combination of coding questions and multiple choice questions that tests knowledge of a specific language or set of languages.

Customer Service

The customer service test evaluates a candidate’s ability to understand customer issues, identify the root cause, determine effective solutions and respond with empathy and professionalism. We present candidates with real-life, scenario-based questions to determine which have a customer-centric approach.

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