German Losada
Portfolio OS / Product Design / Front-End
End-to-end product thinking that connects strategy, UX, AI interfaces, and launch-ready development.
Design systems, fintech workflows, AI-enhanced UX, and responsive web applications.
Product Designer and Front-End Developer focused on building intuitive, high-performance digital experiences in fintech. I specialize in translating complex workflows into clean, user-centered interfaces, combining strong UI/UX design with scalable Front-End development.
With extensive experience in agile methodologies, I excel in efficiently delivering cutting-edge financial products and AI-enhanced services.
Passionate about collaborating with financial startups, I aim to push the boundaries of AI-driven UX, conversational UI, and adaptive interfaces, transforming fintech solutions through innovation and intelligent design.


A production-ready mobile grocery planning app that combines product browsing, favorites, smart lists, AI meal planning, nutrition summaries, and grocery-ready recipe ingredients into one polished UX/UI case study.



I conducted comprehensive user research, UX design, and UI development to create a seamless, intuitive financial application. My approach focused on user needs,accessibility, and engagement, ensuring a smooth and efficient experience.Let me know if you'd like any refinements!
I support the AML Technology and Global Compliance Transformation Program, contributing to the migration of Oracle ECM environments from 8.0.8 to 8.1.2 with a focus on data integrity, system stability, and regulatory compliance. I lead data migration validation and Business Acceptance Testing activities across NFT and QAT environments, validating database objects, comparing large in-scope datasets with SQL and Python in Jupyter Notebook, and producing structured, audit-ready evidence. I collaborate with QA, Data Governance, Compliance, and Engineering teams on testing strategy, discrepancy resolution, GAP assessments, data migration plans, Test Exit Reports, stakeholder dashboards, and sign-off readiness.
I founded Chatminds to provide fintech clients with cutting-edge web development and AI chatbot solutions, enhancing customer engagement across digital platforms. I specialize in scalable, SEO-optimized APIs that drive AI-powered experiences, improving retention rates. With expertise in modern frameworks like React and Vue.js, I create responsive B2B applications with seamless UX/UI. On the backend, I integrate PostgreSQL for efficient data management and analytics while ensuring security with robust, SEO-friendly code. My Agile development approach, combined with rigorous testing, guarantees high-performance, reliable applications.
I enhanced FMF’s web applications by leveraging Java, JavaScript, and React to create responsive, cross-browser-compatible interfaces. Leading the development of a custom CMS with a Java backend and React frontend, I optimized content management workflows, SEO, and usability. My expertise in reusable UI components ensured cohesive design across web and mobile platforms. Collaborating closely with product managers, designers, and marketing teams, I delivered high-performance, visually engaging solutions. Using Git for version control, I streamlined collaboration with efficient workflows. I also conducted website performance audits to improve speed and engagement while implementing web security best practices to protect user data and platform integrity.
I led product design and web development for financial and fintech startups, prioritizing usability and cross-device functionality. I developed interactive, responsive websites with cross-browser compatibility and accessibility in mind. Collaborating within Agile teams, I refined UX and functionality for product launches, ensuring alignment with business goals. Using Figma, I designed UI/UX wireframes and prototypes for seamless development handoff.
I conducted user research to refine user flows and enhance digital experiences. I designed wireframes, prototypes, and high-fidelity UI, ensuring intuitive interactions. Collaborating with developers and stakeholders, I aligned design with business goals while simplifying complex workflows for seamless usability. I also established and maintained design systems to ensure consistency across projects.
Designed and developed digital sales and delivery systems. Created and optimized digital marketing strategies, resulting in a 60% increase in sales through targeted social media campaigns.