Sr. Staff Software Engineer - Relocation to 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 seeking a Sr. Staff Software Engineer to join a mission-critical project with a leading manufacturing company in Fremont, California.

Important Considerations:

This is an  on-site  position in  Austin, Texas

Relocation  to the  United States  is required, TN Visa sponsorship provided

This opportunity is open to candidates based in Mexico with a valid Mexican passport and an active visa (tourist or otherwise)

Bachelor's degree and professional license (cédula profesional)

What you bring

5+ years of professional experience in backend or server-side development

Proven track record delivering large-scale projects in Go, Java, C++, Rust , or similar languages

Strong understanding of backend fundamentals including SQL databases, networking, and security

Basic familiarity with frontend technologies (HTML, JavaScript, CSS) and at least one modern framework such as React, Angular, or Svelte

Proficiency in rigorous software development practices including version control, code reviews, CI/CD pipelines, monitoring, and logging

Familiarity with controls engineering concepts, manufacturing processes, and PLCs

Hands-on experience with Ignition and MES systems is a strong plus

Excellent communication skills and demonstrated ability to lead technical initiatives from concept to production

Advanced English

Nice to have

Hands-on experience with Ignition and MES systems

Background in manufacturing, industrial tech, or controls engineering

Experience debugging PLC communications and distributed database consistency

What you'll do

Deliver high-quality, maintainable code that addresses real-world manufacturing challenges

Lead end-to-end projects from requirements gathering and architectural design through implementation, testing, and production deployment

Bridge communication gaps between factory floor equipment (PLCs) and high-level MES services

Tackle problems across the stack from debugging PLC communications to ensuring data consistency in globally distributed databases

Mentor engineers and uphold global standards of excellence in software craftsmanship

Prioritize robust, production-critical systems with strong validation, monitoring, and support mechanisms

Collaborate with cross-functional teams including Operations, Manufacturing Engineering, Quality, and Supply Chain

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.