Available to hire
Hi, I’m Luis Esteban López Acuña, a software engineer based in Berlin with over 10 years of experience delivering high-impact digital products for startups and scale-ups. I enjoy turning complex requirements into reliable software and continuously improving product quality. In fast-paced environments, I lead with curiosity, focus on collaboration, and deliver value through pragmatic, well-tested solutions.
Hi, I’m passionate about building great software and helping teams become more effective. I enjoy mentoring others, refining processes, and embracing new technologies to solve challenging problems.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Language
Spanish; Castilian
Fluent
English
Fluent
Work Experience
Senior Full Stack Engineer at Root Global
November 1, 2024 - October 16, 2025Contributed to the launch of a new web app by supporting key front-end and back-end features in a fast-paced environment. Led the implementation of a new tracking system enabling scalability and user behavior insights across the platform. Coordinated and executed critical database migrations to ensure data integrity during the transition.
Senior Full Stack Engineer at Root Global
November 1, 2024 - October 16, 2025Contributed to the launch of the new web app by supporting key front-end and back-end features in a fast-paced environment. Led the implementation of a new tracking system, enabling scalability and user behavior insights across the platform. Coordinated and executed critical database migrations.
Senior Full Stack Engineer at GetYourGuide
June 1, 2024 - October 16, 2025Migrated end-to-end tests to internal services and implemented page degradation monitoring with SLO dashboards, reducing QA costs and improving system reliability. Built user tracking systems enabling the Data Team to complete migration to the new analytics platform. Improved team agility by refining Scrum practices, resulting in higher sprint predictability and increased delivery capacity. Designed and ran A/B tests on key user flows, increasing website conversion rate in several experiments by around 7% and informing future product decisions.
Senior Full Stack Engineer at GetYourGuide
June 1, 2024 - October 16, 2025Migrated end-to-end tests to internal services and implemented page degradation monitoring with SLO dashboards, reducing QA costs and improving system reliability. Built user tracking systems enabling the Data team to complete their migration to the new analytics platform. Improved team agility by refining Scrum practices, resulting in higher sprint predictability and increased delivery capacity. Designed and ran A/B tests on key user flows, increasing website conversion rate in several experiments by around 7% and informing future product decisions.
Senior Web Developer at Gorilla Logic
December 1, 2017 - October 16, 2025Engineered a continuous video playback feature. Led implementation for video tagging and thumbnails across the whole website. Supported the product and staff with day-to-day tasks.
Senior Web Developer at Gorilla Logic
December 1, 2017 - October 16, 2025Engineered a continuous video playback feature. Led implementation of video tagging and thumbnails across the whole website. Supported the product and staff with day-to-day tasks.
Senior Web Developer at Informatec
February 1, 2017 - October 16, 2025Developing PDF scanning to process company invoices. Implemented UX updates required by upper management.
Senior Web Developer at Informatec
February 1, 2017 - October 16, 2025Developing PDF scanning to process company invoices. Implemented UX updates required by upper management.
Web Developer at Konrad Group
July 1, 2016 - October 16, 2025Implementation of POC for multiple clients. Developing web Apps for various clients, including Deloitte.
Web Developer at Konrad Group
July 1, 2016 - October 16, 2025Implementation of POC for multiple clients. Developing web apps for various clients, including Deloitte.
Education
Master of Computer Engineering with an emphasis on Software Development at Universidad Latinoamericana de Ciencia y Tecnología
January 11, 2030 - December 1, 2014Bachelor's in Computer Systems at Universidad Fidélitas
January 11, 2030 - July 1, 2012Master of Computer Engineering with an emphasis on Software Development at Universidad Latinoamericana de Ciencia y Tecnología, San José, Costa Rica
January 11, 2030 - December 1, 2014Bachelor's in Computer Systems at Universidad Fidélitas, San José, Costa Rica
January 11, 2030 - July 1, 2012Qualifications
Industry Experience
Software & Internet, Professional Services, Media & Entertainment
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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