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.