Luis Semprun Email & Phone Number

Germany

Berlin, DE

Berlin, Berlin, DE

Led all customer-facing product engineering groups, comprising over 150 engineers, and drove key initiatives both before and after achieving product-market fit. Focused on making economic growth more accessible and equitable through innovative product development.* TR Card: Oversaw the complete development and launch of TR’s Visa Debit Card, providing.

Berlin, Berlin, DE

Led the creation and growth of 2 new groups (Portfolio & Discovery and TR Card), expanding from a small team of engineers to over 50 across multiple teams. These groups significantly increased user engagement and investment-related KPIs.Key initiatives and contributions to the overall Engineering org:* Rolled out a “Better Story Sizing for Agile Teams”.

Berlin, Berlin, DE

Joined Moebel24/HomeTiger at the MVP stage and contributed to making it a success story backed by top-tier VC firms; currently working with partners such as Ikea, Wayfair, and Otto to bring the widest selection of home furnishings to millions of monthly users in Germany and France.* Established and grew the engineering organization from the ground up.

Berlin, Berlin, DE

Within a year, I turned a simple idea into a successful software service company with a dedicated team focused on optimizing client websites for speed and profitability.* Architected, managed, and developed “Jetscale’s Real User Monitoring” (RUM) platform, the star of our service offering. I built the RUM system from the ground up, using Golang for the.

Hamburg, Hamburg, DE

Savings United is the leading coupon partner of premium media companies, helping smart shoppers find the best deals for their online shopping. We work alongside our media partners to create custom coupon platforms that align with their branding and values, while providing a seamless and engaging shopping experience for their users. SU was acquired by.

Berlin, Berlin, DE

Founded and scaled one of Latin America’s fastest-growing healthy lifestyle online magazines with the goal of promoting wellness and healthy living. Grew the readership to over 2 million monthly visitors within 6 months of market launch. Acquired by one of the top advertisers.

MT Performance (aka: Latin American Media Group) is the opinion-leading lifestyle brand in online publishing reaching millions of Latin American readers every month. Operating over 200 premium properties across 7 countries, a high-performance Ad server & network, Latin America's leading content brokering platform, and a wide range of online stores.Led the.

Led a team of around 20 engineers focused on building our Demand, Supply, Content Marketplace, and Blog network products.

* Increased banner ad slot Click-Through Rate (CTR) by 60% by refining the contextualization algorithm and implementing a multi-score position auction system.* Boosted ad creative/media processing speed by 5x and significantly reduced infrastructure costs by rewriting a set of Python scripts into a multi-threaded C service.

* Enhanced backlink acquisition velocity by developing a suite of automation tools. These tools streamlined tasks such as identifying relevant websites, scoring them based on SEO metrics, and reaching out to website proprietors.* Led a substantial uptick in team productivity by creating a comprehensive link-building management system encompassing.

ALG mission is to provide fast, reliable, and professional locksmith services and lockout assistance throughout the U.S. When joined, ALG had more than 100 lead generation websites targeting a wide range of cities.* Led on-page SEO initiatives for the ALG's website portfolio, achieving significant improvements in search engine visibility and organic.

GigaSites provides an intuitive platform for non-technical individuals to design and oversee visually appealing personal and business websites.

Developed a diverse range of websites and applications, primarily tailored for real estate agents and branches in the US market, to strengthen their online presence and streamline their business operations.