Roger Esteban Email & Phone Number

Barcelona, Barcelona, ES

Reinventing the proptech industry in Spain at Lystos, a startup building real estate technology to help agents, investors and agencies to capture, value and sell properties more quickly and accurately.

• Engineered a super-app at Pilar, a stealth fintech startup headquartered in Miami with the goal of providing financial services to unbanked workers across 11 countries in Latin America.Key Achievements:
• Led a team of 10 engineers based in Argentina.
• Successfully launched Pilar on the Apple and Google stores and onboarded 40K users into the platform.
• Architected the software and underlying infrastructure required to support new features coming from the product, content, finance and legal teams.
• Worked with banking partners and multiple vendors to find ways to integrate their services into Pilar.Technologies used:Java, Node.js, React, React Native, AWS (EC2, Aurora MySQL, Lambda, ALB, CloudFront, Elasticsearch.

Los Angeles, California, US

• Reengineered the video-streaming and social marketing platforms of Telescope, a frontrunner in real-time audience engagement specializing in video solutions, voting and innovative social applications for Fortune 500.
• Led a team of 15 engineers, overseeing all the software and core infrastructure development efforts within the EMEA region.
• Successfully expanded the Barcelona Engineering Team from 8 to 15 engineers, facilitating a seamless transition of the engineering efforts from Los Angeles and improving the team's effectiveness and productivity.
• Spearheaded R&D initiatives, resulting in the successful development of chatbots and platform integrations (e.g., Facebook Messenger API, Alexa Skill Management API), enhancing Telescope's voting capabilities.
• Designed and implemented a self-service web portal for customers to create and manage their marketing and voting campaigns, significantly improving customer experience while reducing internal account management work by.
• Collaborated closely with Facebook, LinkedIn and Twitter as certified partners to implement and support new APIs and functionalities within Live Studio, driving innovation in Live TV solutions.Technologies used:Java.

Los Angeles, California, US

• Pioneered social media marketing automation at Friend2Friend, a cloud-based platform blending content, social engagement and advertising.Key Achievements:
• Led a team of 8 engineers, overseeing the development lifecycle of all projects and internal systems.
• Designed and implemented Friend2Friend's highly scalable architecture using Java and AWS, enabling global reach and seamless performance across multiple geographic regions.
• Engineered a custom JavaScript framework for efficient client-side logic, unifying and abstracting all client calls, third-party libraries and APIs.
• Created an internal backoffice tool to automate the code lifecycle and infrastructure management, boosting DevOps work by 95%.
• Leveraged expertise as a Facebook Preferred Marketing Developer and LinkedIn Certified Developer (only 6 certified companies worldwide) to integrate cutting-edge social features into the Friend2Friend Platform.

Barcelona, Barcelona, ES

• Engineered, launched and managed the e-commerce platform of the university.Key Achievements:
• Designed and implemented a brand new distributed e-commerce platform for the university campus.
• Developed the core backend layer following the MVC pattern, including modules to handle requests, database connections, sessions, emails and logging.
• Developed interfaces to abstract the low-level complexity of the backend layers, allowing other engineers to build applications on top of the platform in no time.
• Developed the core frontend layer, including libraries for unified client-side code across the platform.
• Developed BVirtual, an online store application built on top of the plaform, with modules to handle the shopping, checkout and payment flows.

Msc Computer Engineering, Computer Science

Bsc Computer Engineering, Computer Science