Find the best API jobs in San Francisco, CA

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Check out a sample of the 76 API jobs posted on Upwork

ServiceNow Developer Hourly ‐ Posted 2 days ago

Less than 30 hrs/week
Hours needed

1 to 3 months
Duration

Expert
Experience level

Contractor Criteria: *Proven experience in implementing ServiceNow technology and developing scoped applications. *Certification in…

API API Jobs ITIL JavaScript Jira ServiceNow GitHub
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Less than 30 hrs/week
Hours needed

1 to 3 months
Duration

Intermediate
Experience level

We need help implementing the Moonday SDK on our WordPress website. Here is a link to the documentation https://dev.moonpay.com/docs/…

API iOS HTML API Jobs React Web Application Landing Page
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Less than 30 hrs/week
Hours needed

1 to 3 months
Duration

Intermediate
Experience level

We're looking for a PT contract software engineer. We operate as long-term technical partners for startup founders. We build software /…

API API Integration Amazon Web Services ExpressJS CSS Web Development API Jobs MongoDB JavaScript Node.js React PostgreSQL
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Tech lead / software architect Hourly ‐ Posted 16 days ago

30+ hrs/week
Hours needed

More than 6 months
Duration

Expert
Experience level

Looking for experienced engineers who have strong experience of working with modern technologies like Python (Flask /django), Node or N…

API Cloud Computing Database Architecture API Jobs Web Development JavaScript Software Architecture & Design Google Cloud Platform Amazon Web Services
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Lead Java Developer Hourly ‐ Posted 1 month ago

30+ hrs/week
Hours needed

More than 6 months
Duration

Expert
Experience level

Design and develop enterprise grade, high-volume web applications platforms and state of the art technical solutions leveraging Java an…

API API Jobs CSS HTML Software Architecture & Design RESTful Architecture RESTful API Spring Framework JavaScript Java
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Bubble.io and Stripe API connection Hourly ‐ Posted 1 month ago

Less than 30 hrs/week
Hours needed

1 to 3 months
Duration

Expert
Experience level

I need an expert at Bubble api connections to connect Stripe for payments. All types of returns and refunds capabilities need to be add…

API Web Application Web Development API Integration API Jobs Stripe
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Less than 30 hrs/week
Hours needed

Less than 1 month
Duration

Expert
Experience level

Hiring a wordpress developer with backend experience to run and fix a website that was built on one. Looking to update php but have so…

API API Jobs Custom PHP JavaScript WordPress Web Development PHP
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Golang developer needed Hourly ‐ Posted 1 month ago

30+ hrs/week
Hours needed

3 to 6 months
Duration

Expert
Experience level

Need experienced golang programmers. Need atleast 5 years of experience. Please share your resumes. No agencies please.

API Software Architecture & Design Database RESTful API API Jobs Golang
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Less than 30 hrs/week
Hours needed

1 to 3 months
Duration

Intermediate
Experience level

REQUIRED - Retool https://retool.com/ Need someone who is familiar with the retool application builder. Basic requirements External C…

API CSS API Jobs Web Development HTML5 Node.js AngularJS HTML JavaScript
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Full-Stack Fintech App Developer Hourly ‐ Posted 1 month ago

30+ hrs/week
Hours needed

3 to 6 months
Duration

Intermediate
Experience level

Looking for a full stack developer to help us with our roboadvisor app. A foundation has already been set using React and Vercel. R…

API React Native Web Application API Jobs Node.js React JavaScript
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