Kevin Andrés Espinosa

Full Stack Engineer & Tech Lead (Freelancer)

Construex

Apr 2025 - Feb 2026 (11 months)

Took on the role of Technical Lead and Full Stack Developer for a regional marketplace operating in 14 Latin American countries. Led development and maintenance under a monorepo architecture, ensuring scalability and performance. Participated in architectural decisions and defined technical standards. Implemented new features across frontend and backend following best practices. Organized and coordinated the IT team under Agile methodology, planning tasks and tracking deliverables. Managed deployments and infrastructure in AWS, Cloudflare administration, and production environments. Ensured high availability, stability, and continuous optimization of high-impact regional systems. Strengthened my profile as a technical leader by combining st

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Full Stack Engineer

Autority

Sep 2024 - Current (1 year 9 months)

Active contributor to architectural evolution and technical decision-making across both backend and frontend. Development and optimization of core services, ensuring scalability, security, and long-term maintainability. Support in defining best practices, conducting technical reviews, and driving continuous improvement under the SCRUM methodology. Contribution to production stability through a preventive approach focused on sound technical design and high code quality. Involvement in the development of Nexus, a backend service designed for secure and efficient external integrations. Continuous growth as a senior developer with technical impact and participation in key structural system decisions.

Full Stack Engineer

Pedidos Ya

Jun 2022 - Jul 2024 (2 years 2 months)

Contributed to the development and evolution of internal platforms focused on partner management, subscriptions, and corporate benefits. Worked on high-impact operational systems such as the Corporate platform, handling between 5,000 and 25,000 daily benefits. Developed across frontend and backend, supporting transactional and high-volume workflows. Designed robust transactional flows ensuring scalability and performance. Implemented automated testing (Unit, Integration, E2E) under a TDD approach using Cypress. Played an active role in QA process improvement through automation and standardization. Participated in key technical decisions to ensure system stability and scalability in production environments. Strengthened system reliability th

Frontend Engineer (Freelancer)

Ancient | The Wisdom of Technology

Apr 2022 - Feb 2025 (2 years 11 months)

Contributed to the development of multiple complex systems within a software factory model. Actively participated in the design, development, and evolution of custom web solutions. Worked across both frontend and backend with technical responsibility in architectural decisions. Defined project structures and resolved critical issues in production environments. Supported the full lifecycle, from technical conception to production deployment. Ensured quality, maintainability, and scalability in delivered solutions. Strengthened my ability to adapt to different business contexts and translate complex requirements into robust technical solutions.

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Software Developer

Tinkin TechPartner Tinkintech S.A.

Jan 2018 - May 2022 (4 years 5 months)

As a Software Developer, I developed web and mobile platforms for clients in the automotive and technology sectors, contributing to projects such as Volkswagen mobile apps, appointment and subscription management systems, and a BI lead generation platform. I worked across both frontend and backend using modern full-stack practices, designing and implementing robust APIs to support transactional and operational workflows while integrating external services to enhance platform capabilities. I led QA initiatives, implementing automated testing with Cypress under a TDD approach, which significantly improved product stability, reliability, and overall code quality. Additionally, I participated in technical decision-making from the early stages o

Kevin Andrés Espinosa

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