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 seeking a
Senior Backend Developer
to join the Sales Management team for a high-impact project with a leading automotive company headquartered in Fremont, California. The Senior Backend Developer will work on a mission-critical, in-house CRM platform that supports global sales operations and covers the full sales lifecycle, directly impacting revenue growth, customer satisfaction, and operational excellence. Important Considerations : 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 cualificado)



What you bring 5+ years of experience building backend systems in production environments Strong expertise in microservices architecture and distributed systems Experience working with real-time data pipelines and event-driven systems Proficiency in
Python
and/or
Go Experience with relational databases such as
PostgreSQL Experience with large-scale data systems such as
ClickHouse Hands-on experience with
OpenSearch
or similar search technologies Experience with message brokers such as
Kafka
and
RabbitMQ Strong understanding of scalable system design and high-throughput architectures Advanced English proficiency
(spoken and written) is required Nice to have Experience working with AI-driven or agentic workflow systems Familiarity with cloud-native architectures
What you'll do Design, develop, and maintain scalable backend services for a global CRM platform Build high-performance microservices capable of handling real-time data processing Architect systems that support high throughput and large-scale data environments Contribute to the development of AI-assisted workflows that enhance sales productivi

📌 Senior Backend Engineer Relocation Opportunity (Zapopan)
🏢 Definity
📍 Zapopan