We are looking for a Senior Backend Software Engineer to join our team for a key project with a major automotive company based in Fremont, California. We're seeking someone who is highly motivated, detail-oriented, and eager to take on new challenges. The ideal candidate is a proactive problem-solver, a quick learner, and someone who thrives in dynamic environments.

Important Considerations:

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)
Genuine interest in relocating and living in the United States

What You Bring

6 + years of experience building backend systems
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 features and fix bugs.
Write unit tests, integration tests, and work with QA to coordinate timely regression for new features
Monitor live system metrics, respond to alerts, and troubleshoot production issues.
Investigate and understand existing system technical functionality and propose technical improvements.
Collaborate with Product, Design, and Business stakeholders to plan and prioritize new feature development
Communicate changes in project estimates, dependencies, and blockers with affected stakeholders quickly.
Own feature development and projects through design, development, testing, release and production.
Understand and improve the scalability, maintainability, availability, and visibility of applications.
Be flexible and quick to respond to changing business priorities and requirements.
Document newly implemented technologies and application functionality.
Learn new technologies, practices and business concepts to solve new problems as Tesla grows.
Work with technologies such as Go, C#, .NET core, MySQL, Elasticsearch, MongoDB, Redis, GraphQL, Python, React, Docker, Kubernetes.

About Definity

Founded in Monterrey, Mexico, Definity is a nearshore technology partner specializing in custom digital solutions, AI innovation, and business applications. With over two decades of expertise and a strong focus on client success, Definity empowers organizations worldwide to achieve real business results through modern technology.

Definity is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

_All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, pregnancy, veteran status, or disability status.

_www.definityfirst.com

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