I want a role using web technologies where I can contribute to product development, mentor others, and keep learning.
Looking for a job
Colin Tirion
@colintirion
Mathematics teacher turned software developer focused on web technologies.
NetherlandsWhat I'm looking for
I am a former mathematics teacher who transitioned into software development with a strong foundation in Python, HTML/CSS and JavaScript. I combine classroom experience, clear communication, and technical training to build reliable, maintainable code and help teams learn and adopt best practices.
My background includes several years teaching MAVO/HAVO and VWO mathematics, plus hands-on customer service and training roles where I developed patience, clarity, and leadership. I hold certifications in Python Development and English language proficiency.
I seek to apply my analytical mindset and instructional strengths to software projects that value clean code, collaboration, and continuous learning. I deliver dependable results and enjoy mentoring colleagues while solving practical problems with code.
Experience
Work history, roles, and key accomplishments
LO
Mathematics Teacher
Lucas Onderwijs
Feb 2025 - Aug 2025 (6 months)
Taught mathematics to 1/2/3 VWO students, adapted instruction for mixed-ability classes, and tracked academic progress.
LP
Mathematics Teacher
Lentiz Groen van Prinstererlyceum
Sep 2022 - Dec 2024 (2 years 3 months)
Taught mathematics to 1/2 MAVO and HAVO cohorts, developed lesson plans, and assessed student progress to improve outcomes.
MC
Maintained organization and speed on the floor while delivering friendly guest service and ensuring quality standards.
MC
Trained new staff on stations and procedures, supported managers, and covered shifts to maintain operational continuity.
TS
Volunteer
Thrift Store
Jun 2014 - Aug 2014 (2 months)
Maintained store cleanliness, assisted customers, and replenished stock to ensure smooth daily operations.
Education
Degrees, certifications, and relevant coursework
HV
Het Lyceum Vos
HAVO, Science & Technology
2011 - 2017
Completed HAVO in Science & Technology at Het Lyceum Vos with focus on mathematics and science subjects.
Tech stack
Software and tools used professionally
Availability
Looking for a job
Location
NetherlandsAuthorized to work in
Website
reacien.devSalary expectations
30k-60k USD
Social media
Job categories
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