

OSI Engineering
Python Tools Developer (Backend/UI)
⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Python Tools Developer (Backend/UI) in Cupertino, CA, with a contract length of unknown duration. Pay rate ranges from $50/hr to $57/hr (DOE). Key skills include strong Python backend development, JavaScript, API design, and MySQL experience.
🌎 - Country
United States
💱 - Currency
$ USD
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💰 - Day rate
456
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🗓️ - Date
December 17, 2025
🕒 - Duration
Unknown
-
🏝️ - Location
On-site
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📄 - Contract
Unknown
-
🔒 - Security
Unknown
-
📍 - Location detailed
Cupertino, CA
-
🧠 - Skills detailed
#MySQL #Storage #AI (Artificial Intelligence) #API (Application Programming Interface) #Databases #Code Reviews #JavaScript #Python #Data Storage #Scala
Role description
Python Tools Developer (Backend/UI)
Seeking a Python Tools Developer with strong backend development experience and working knowledge of UI development. The ideal candidate will design, build, and maintain internal and external tools, develop APIs, and collaborate with frontend and product teams to deliver reliable, scalable solutions. Experience integrating modern AI/LLM-based services is a plus.
Responsibilities
• Design, develop, and maintain backend services and tools using Python
• Collaborate with UI/front-end developers to ensure smooth data flow and user experience
• Build and support APIs for internal and external integrations
• Work with MySQL or similar relational databases for data storage, optimization, and querying
• Write clean, maintainable, and well-documented code
• Debug, test, and optimize application performance
• Participate in code reviews and contribute to technical design discussions
• Integrate LLM/AI services into tools and workflows (Bonus)
Required Skills & Qualifications
• Strong experience in Python backend development
• Working experience with JavaScript/Python for UI or tool interfaces
• Proven experience enhancing and extending existing Python-based tool frameworks
• Solid understanding of API design and integration
• Experience with MySQL or similar databases
• Understanding of backend architecture, data flow, and system design
• Ability to collaborate effectively with cross-functional teams
Submit resume to
Type: Managed Services
Location: Cupertino, CA
Pay Rate Range: $50/hr-$57/hr (DOE)
Python Tools Developer (Backend/UI)
Seeking a Python Tools Developer with strong backend development experience and working knowledge of UI development. The ideal candidate will design, build, and maintain internal and external tools, develop APIs, and collaborate with frontend and product teams to deliver reliable, scalable solutions. Experience integrating modern AI/LLM-based services is a plus.
Responsibilities
• Design, develop, and maintain backend services and tools using Python
• Collaborate with UI/front-end developers to ensure smooth data flow and user experience
• Build and support APIs for internal and external integrations
• Work with MySQL or similar relational databases for data storage, optimization, and querying
• Write clean, maintainable, and well-documented code
• Debug, test, and optimize application performance
• Participate in code reviews and contribute to technical design discussions
• Integrate LLM/AI services into tools and workflows (Bonus)
Required Skills & Qualifications
• Strong experience in Python backend development
• Working experience with JavaScript/Python for UI or tool interfaces
• Proven experience enhancing and extending existing Python-based tool frameworks
• Solid understanding of API design and integration
• Experience with MySQL or similar databases
• Understanding of backend architecture, data flow, and system design
• Ability to collaborate effectively with cross-functional teams
Submit resume to
Type: Managed Services
Location: Cupertino, CA
Pay Rate Range: $50/hr-$57/hr (DOE)






