Core and required roles are separated from contextual and optional mentions so the headline does not overstate job intent.
Explore A2A by location
Select up to five markets; results and hiring evidence update together.
This reference guide is available while the observed market sample grows. Counts describe listings in our catalog; employer breadth and source-date coverage are still limited.
1core + required roles7context + optional mentions7remote-friendly▲ +1 this week
Employer concentration
EPAM accounts for 6 of 8 mentions (75%). The remaining 2 mentions span other employers.
The Agent2Agent protocol provides interoperability between independent agent applications. It describes how agents expose capabilities and exchange tasks or results. It complements agent-to-tool protocols such as MCP and does not define the internal reasoning or framework of an agent.
8 live roles3 hiring companies88% remote-friendly
Vacancy evidence map
Where A2A carries hiring weight
Each segment represents roles where A2A was parsed at that evidence tier. This keeps a required production skill separate from contextual stack language.
0 Core1 Required3 Supporting4 Optional
1core + required13% of mentions
2.7roles per company3 employers
Market interpretation
What A2A demand means in practice
The Agent2Agent protocol provides interoperability between independent agent applications. It describes how agents expose capabilities and exchange tasks or results. It complements agent-to-tool protocols such as MCP and does not define the internal reasoning or framework of an agent.
Show capability discovery, task states and the data contract between two independently operated services. Explain authentication, cancellation and error handling. Distinguish protocol compliance from workflow correctness: a valid message exchange still needs application tests and boundaries around the actions each remote service can perform.
The Agent2Agent protocol provides interoperability between independent agent applications. It describes how agents expose capabilities and exchange tasks or results. It complements agent-to-tool protocols such as MCP and does not define the internal reasoning or framework of an agent.
What evidence should I provide for a A2A role?
Show capability discovery, task states and the data contract between two independently operated services. Explain authentication, cancellation and error handling. Distinguish protocol compliance from workflow correctness: a valid message exchange still needs application tests and boundaries around the actions each remote service can perform.
How A2A appears in job requirements
Inferred from the title and requirement wording in 8 active roles; each role is counted once. Read the methodology.
Posting evidence, not a company-wide stack claim
Main / core
0%(0)
Required
13%(1)
Supporting / context
38%(3)
Nice-to-have
50%(4)
Skills mentioned with A2A
A shared posting does not always require both skills. Explicit alternatives are counted separately.