Companies in the United States using Function Calling
762 companies headquartered in the United States list Function Calling as a requirement in 1,698 open roles. Most of those roles are in AI and machine learning, backend engineering and solutions engineering teams. Function Calling most often appears next to Python, AI Agents, LLM, Tool Use and CI/CD. Roles that need it and state the pay sit at $195k a year in the middle.
Companies with the most open Function Calling roles
25 of 762 · the full list is in the API| Company | Size | Open roles | Teams hiring | Median stated pay |
|---|---|---|---|---|
 TikTok | 1001-5000 | 45 | AI and machine learning, Backend engineering, Early careers | — |
 Prime Intellect | 201-500 | 29 | AI and machine learning, Solutions engineering, Engineering leadership | $225k |
 JPMorganChase | 5000+ | 28 | Backend engineering, AI and machine learning, Data science | — |
 NVIDIA | 5000+ | 27 | AI and machine learning, Solutions engineering, Backend engineering | $236k |
 NewRocket | 26 | AI and machine learning, Engineering leadership, Solutions engineering | — | |
 Salesforce | 5000+ | 19 | Enterprise applications, Solutions engineering, AI and machine learning | $216k |
 ServiceNow | 1001-5000 | 19 | AI and machine learning, Backend engineering, Product management | $277k |
 Micron Technology | 5000+ | 18 | AI and machine learning, Data science, Backend engineering | — |
 The Infatuation | 1001-5000 | 17 | Backend engineering, AI and machine learning, Data science | — |
 Genesys | 5000+ | 16 | Solutions engineering, Backend engineering, AI and machine learning | — |
 American Express | 5000+ | 15 | AI and machine learning, Engineering leadership, Product management | — |
 Adobe | 5000+ | 14 | AI and machine learning, Data science, Backend engineering | $203k |
 Anthropic | 1001-5000 | 13 | AI and machine learning, Backend engineering, Engineering leadership | $373k |
 Jones Lang LaSalle | 5000+ | 13 | Backend engineering, Solutions engineering, AI and machine learning | $208k |
 Citi | 5000+ | 13 | AI and machine learning, Backend engineering, Security | $142k |
 TripleTen | 12 | Solutions engineering | — | |
 Cisco Systems | 5000+ | 11 | AI and machine learning, Backend engineering, Solutions engineering | $238k |
 UnitedHealth Group | 5000+ | 11 | AI and machine learning, Backend engineering, Product management | $183k |
 Caylent | 10 | Industrial engineering, DevOps and infrastructure | $135k | |
 FirstEnergy | 501-1000 | 10 | Education | — |
 Amazon | 5000+ | 9 | AI and machine learning, Solutions engineering, Backend engineering | $189k |
 Cadence Design Systems | 5000+ | 9 | Backend engineering, AI and machine learning, Engineering leadership | — |
 INFUSE | 1001-5000 | 9 | Solutions engineering, AI and machine learning | — |
 BMC Software | 5000+ | 9 | Data science, Backend engineering, AI and machine learning | $219k |
 Visa | 5000+ | 8 | AI and machine learning, Data science, Backend engineering | $180k |
Function Calling in other countries
What these companies also use
Teams hiring for Function Calling
Get all 762 companies as a list
Name, website, size, industry and headquarters of every company that requires Function Calling, through the API (company.getList with technology=Function Calling and country=US). 762 companies × 0.02 credits = 15.24 credits ($1.52).
Questions
How do you know a company uses Function Calling?
A company counts when at least one of its open job postings lists Function Calling as a requirement, not as a nice-to-have. The list is rebuilt every night from the postings on the employers' own careers boards. Staffing agencies, job republishers and the maker of Function Calling itself are left out.
Which teams hire for Function Calling?
Of the 1,698 open roles that require it, most are in AI and machine learning (744), backend engineering (314) and solutions engineering (174).
What do Function Calling roles pay?
734 of the 1,698 roles state the pay. The middle of their posted ranges is $195k a year, converted to US dollars.
Can I download this list?
Yes, through the API: company.getList with technology=Function Calling and country=US returns each company's name, website, size, industry and headquarters for 0.02 credits a row (a credit is $0.10). New accounts start with 30 free credits.