Summary
Mark Tejero is a Staff Engineer with over 20 years in software development and more than a decade focused on high-throughput internet and mobile advertising systems and financial platforms. He designs and implements cloud-native backends and microservices in Go and other languages, having built RTB infrastructure handling hundreds of millions of bids per day and modern digital-banking engines integrated with e-KYC, payments, and card providers. Comfortable across the stack, he has deep operational experience with AWS, Docker/ECS, CI/CD, observability stacks and relational/search/datastore technologies. Known for being easy-going and adaptive, he blends creativity with pragmatism to improve architecture, deployment pipelines and feature delivery. A global practitioner based in Singapore, he brings hands-on seniority from startups to enterprises, often tackling integrations and performance problems others avoid.
11 years of coding experience
22 years of employment as a software developer
Bachelor of Science in Computer Engineering, Bachelor of Science in Computer Engineering at University of San Carlos