Definity is seeking for a Senior Software Engineer to design and build scalable backend solutions for a high-impact project while collaborating with a global engineering team. This opportunity is ideal for engineers who enjoy solving complex technical challenges and are interested in relocating to the U.S. with TN Visa sponsorship. 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.
Design, develop, and maintain backend services that integrate with manufacturing systems
Build reliable software that communicates with industrial control hardware (PLCs and similar)
Contribute to database architecture and data pipeline design within the plant environment
Support light front-end work for internal tooling and dashboards
Ensure system reliability and performance in a mission-critical manufacturing context
Collaborate with cross-functional teams across Fremont, Texas, and Buffalo NY locations
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This is an on-site position in USA
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Relocation to the United States is required, TN Visa sponsorship provided
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This opportunity is open to candidates based in Mexico with a valid Mexican passport
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Bachelor’s degree and professional license (cédula profesional)
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3+ years of experience building backend systems in production environments
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Proficiency in Go (Golang) required; alternatively, hands-on experience in manufacturing programming with PLC and/or C++
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Solid understanding of relational or NoSQL databases (schema design, queries, performance basics)
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Basic front-end familiarity ability to build or maintain simple UIs when needed
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Experience integrating software with industrial control systems is a strong plus
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Full professional fluency in English (spoken and written) required; interviews are conducted in English
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Experience with PLC programming or industrial automation systems
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Familiarity with REST or gRPC API design
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Understanding of CI/CD pipelines and cloud infrastructure
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Background in manufacturing or industrial tech environments
