Python Backend Developer (USA)

At Definity, a leading technology company focused on AI-driven solutions and digital transformation, we are continuously expanding our team to support innovative, high-impact projects. We are currently looking for a Python Backend Developer to join our team and support high-impact initiatives with a US-based client. The role focuses on owning complex backend challenges, building scalable solutions, and contributing in a collaborative, fast-paced environment, with strong expertise in Python and backend development.

Important Considerations

Genuine interest in relocating and living in the United States On-site position in Fremont, California (TN Visa sponsorship provided) Must have Mexican nationality Valid Mexican passport required Bachelor’s degree and professional license (cédula profesional) What you bring 4 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. Nice to have Working with open source technologies such as Kafka, Debezium, Elasticsearch, etc.

Experience with Docker and Kubernetes. Knowledge of GraphQL, GRPC, React or any other JavaScript frameworks.

Experience working in an Agile/SCRUM Software Development Process.

What you'll do Design, develop and support applications and systems under the team’s scope, including vehicle order processing, inventory vehicle purchasing, vehicle delivery experience, Tesla account login, software upgrades, and features accessible through mobile app, etc. Write clean, maintainable, performant, and well-tested code to implement new fea