Python Senior Backend Developer (USA)
Definity FirstFremont, California, United States • Mexico City, Mexico City, Mexico
Posted December 2, 2025
Full Time
About the Company
Definity is a nearshore technology partner specializing in custom digital solutions, AI innovation, and business applications.
Job Description
We are looking for a highly skilled Python Senior Backend Developer to join our team and contribute to high-impact initiatives with one of our US-based clients.
Requirements
- 6 + years of experience building backend systems in Python
- Demonstrated experience scaling systems to large data volumes and throughput
- Expert knowledge of REST APIs
- Experience with microservices, or service oriented architecture, AI agentic workflow
- Proficiency in Go, Java, C, Python, C# or other backend language
- Experience with databases (either SQL or NoSQL)
- Good unit testing and integration testing practices
- Experience with message queue architecture
- Proficiency working in a high-impact, responsive, and collaborative team environment
Benefits
- TN Visa sponsorship provided
- On-site position in Fremont, California
