Alan Jair Cauich Salas
@alanjaircauichsalas
Senior Frontend Engineer at Puller Tech who designed an ERP from scratch and shipped web and mobile products.
MexicoWhat I'm looking for
At Puller Tech, I designed the architecture and led development of an enterprise ERP from scratch, the company’s largest project. I also designed the foundation for a payroll SaaS across web and mobile, now used by multiple companies.
I developed a mobile attendance app with location and monotonic-time validation to help prevent fraudulent records, and led three frontend developers. I’ve also built course-commerce platforms, developed LMS features for 40,000 active users, and worked across frontend architecture, testing, and performance.
Experience
Work history, roles, and key accomplishments
Senior Frontend Engineer
Puller Tech
Aug 2022 - Sep 2026 (4 years 1 month)
Designed architecture and led development of an enterprise ERP from scratch, the company's largest project. Led a team of 3 frontend developers, implemented quality standards, and optimized performance.
Frontend Engineer
COMEGO
Sep 2024 - Dec 2025 (1 year 3 months)
Developed a website with integrated e-commerce, user accounts, and online course catalog. Built the complete admin panel for content, courses, payments, and enrollments, eliminating manual processes.
Frontend Engineer
Learnala
Aug 2021 - Aug 2022 (1 year)
Developed main features of an LMS with 40,000 active users and integrated REST APIs with complex global state management using Redux. Initiated a new SaaS project for dynamic certificate generation.
Web Developer Trainee
Corporativo CLN
Apr 2019 - Sep 2019 (5 months)
First contact with production projects: maintenance of static and dynamic sites with HTML, CSS, JavaScript, PHP, and WordPress.
Education
Degrees, certifications, and relevant coursework
UNID Campus Cancún
Lic. en Ingeniería en Tecnologías de la Información y Comunicación, Information and Communication Technologies
2017 - 2020
Pursued a degree in Information and Communication Technologies Engineering at UNID Campus Cancún from 2017 to 2020.
Tech stack
Software and tools used professionally
Availability
Location
MexicoAuthorized to work in
Website
alanjair.devSalary expectations
Job categories
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