Available to hire
Hi, I’m Fabian Martinez, a Senior Mobile Engineer with over 10 years of experience architecting and delivering iOS and Android apps used by millions worldwide. I thrive leading cross-functional teams, owning mobile architecture, and shipping platforms that drive revenue and scale.
Beyond mobile, I bring deep backend expertise in Node.js to build full-stack ecosystems, payment infrastructures, and highly available distributed systems. I’m passionate about defining mobile strategy, guiding technical direction, and delivering mission-critical products in complex production environments.
Skills
Experience Level
Expert
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Intermediate
Intermediate
Language
English
Fluent
Spanish; Castilian
Fluent
Work Experience
Senior Software Engineer at Plexo
January 1, 2025 - PresentDeveloped the Plexo Payment Gateway plugin for WooCommerce, enhancing functionality and compatibility with modern storefronts. Redesigned and restructured the UI/UX, resulting in a 100% increase in online store sales by accelerating and simplifying the purchasing process. Collaborated with cross-functional teams to design and implement innovative payment solutions tailored to diverse client needs.
Senior Software Engineer at Kingbee-Vans
January 1, 2025 - August 11, 2025Led the rebranding of Fluid Truck's mobile app to align with Kingbee-Vans' market identity, ensuring consistency and enhanced user experience. Integrated AI-based vehicle inspections to streamline processes and significantly improve operational efficiency.
Senior Software Engineer at Fluid Truck
January 1, 2024 - August 11, 2025Led mobile app development for iOS and Android, collaborating with cross-functional teams and reporting directly to the CTO. Redesigned and improved the mobile app, contributing to a 25% revenue increase by enhancing user experience and functionality. Successfully migrated a legacy Elixir backend to a RESTful Node.js API, improving maintainability and scalability.
Senior Software Engineer at Anexinet (Verinext)
January 1, 2020 - August 11, 2025Designed and developed backend and mobile solutions for clients in finance and healthcare sectors, including De Lage Landen (DLL) and Canopy Health. Spearheaded development of a COVID-era virtual doctor's office feature integrating HL7 protocols and secure authentication, enabling remote healthcare access. Led migration from Glassfish(Java)/SOAP to Node.js/JSON, improving scalability and reducing costs.
Senior Software Engineer at Ember Tech Ltd.
January 1, 2016 - August 11, 2025Led the development of mobile applications for both iOS and Android platforms delivering high-quality solutions for clients such as HSBC, Grant Thornton, British Cycling, and the British NHS.
Senior Software Engineer at Usio
January 1, 2014 - August 11, 2025Designed and developed an innovative mobile payment app integrated with Stripe, Apple Pay, and Google Pay allowing users to create/manage virtual credit cards and track budgets. Developed backend RESTful APIs for robust payment processing. Enhanced payment workflows by implementing virtual POS and customizable payment platforms supporting diverse scenarios.
Senior Software Engineer at 1800-Radiator
January 1, 2012 - August 11, 2025Designed and implemented ERP solutions to optimize logistics and support scaling operations across the US managing over 250 franchises efficiently.
Software Engineer at CPG Soft
January 1, 2006 - August 11, 2025Optimized supply chain operations for clients such as PepsiCo, Unilever, and Baesa in LATAM and Caribbean by developing Truck/Gx, an ERP suite tailored for distribution and logistics management.
Senior Software Engineer at Fluid Truck
January 1, 2020 - December 1, 2024Led end-to-end development of iOS and Android mobile applications, collaborating directly with the CTO and cross-functional teams. Redesigned key app features, resulting in a 25% increase in in-app revenue by improving user experience and functionality. Migrated a legacy Elixir/SOAP backend to a scalable Node.js/REST architecture, greatly improving maintainability and development velocity.
Senior Software Engineer at Anexinet (Verinext)
March 1, 2016 - January 1, 2020Developed custom backend and mobile solutions for financial (DLL) and healthcare (Canopy Health) clients, aligning with strict industry standards. Implemented a virtual telehealth platform for Canopy Health using HL7 standards and Okta authentication, enabling secure remote patient consultations during COVID-19. Transitioned a legacy GlassFish/SOAP system to a modern Node.js/REST API, enhancing scalability, reducing maintenance costs, and streamlining future integrations.
Senior Software Engineer at Ember Tech Ltd.
February 1, 2014 - March 1, 2016Led development of iOS and Android mobile applications for clients such as HSBC, Grant Thornton, British Cycling, and the NHS, delivering high-quality, user-friendly solutions. Collaborated with clients to gather requirements and ensured timely delivery of apps that met strict security and usability standards.
Senior Software Engineer at Usio
January 1, 2013 - February 1, 2014Architected and built mobile payment systems with PCI-compliant security, integrating Stripe, Apple Pay, and Google Pay, enabling users to create virtual credit cards and manage multi-budget expense tracking. Developed and integrated robust backend payment APIs, ensuring secure and efficient processing of thousands of monthly transactions. Enhanced payment workflows by implementing virtual POS systems and customizable checkout features, expanding support for diverse use cases.
Senior Software Engineer at 1800-Radiator
March 1, 2006 - December 1, 2012Engineered scalable ERP logistics solutions that optimized supply chain operations and supported the expansion of 1-800 Radiator. Enabled the company to efficiently manage over 250 franchises across the U.S.
Software Engineer at CPG Soft
October 1, 1997 - December 1, 2005Developed and implanted the Truck/Gx ERP suite for distribution and logistics management, streamlining supply chain processes for clients including PepsiCo, Unilever, and Baesa in LATAM and the Caribbean.
Education
Bachelor’s Degree in Computer Science at Universidad de la República, Montevideo Uruguay (UDELAR)
January 1, 1997 - January 1, 2002B.Sc. Degree in Computer Science (5-year program) at Universidad de la República (UDELAR)
January 11, 2030 - January 1, 2002B.Sc. Degree in Computer Science (5-year program) at Universidad de la República (UDELAR), Montevideo, Uruguay
January 11, 2030 - January 1, 2002Qualifications
Industry Experience
Financial Services, Healthcare, Transportation & Logistics, Retail, Software & Internet, Wholesale & Distribution, Media & Entertainment
Skills
Experience Level
Expert
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Intermediate
Intermediate
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