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Walter A. — Senior Full-Stack Developer from Argentina

Walter A.

Senior Full-Stack Developer

Argentina 6+ years
Open to offersNew to Platform
Languages
English
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About

Walter A. is a Senior Full Stack & Machine Learning Engineer with over a decade of experience delivering scalable, production-grade solutions in sectors including enterprise software, web and mobile platforms, analytics, and AI conversational systems. At TopFlight (USA), he drove development of highly responsive web and cross-platform mobile applications using React, Angular, MERN/MEAN architectures, and React Native, while collaborating on API design and real-time data features. Previously at IBM, Walter engineered enterprise backend services with Python (Django/Flask), introduced microservices with Docker, and secured cloud deployments using AWS. His tenure at ITC Management Group involved leading machine learning projects with PyTorch, LLMs, and Databricks in fintech and AI automation. Walter’s track record spans full software lifecycles, API integrations, large-scale data processing, and DevOps in Agile settings, supporting high-impact client products and cross-functional teams in North and South America.

Experience

  • Senior Full Stack Developer

    TopFlight · 2025 — Present
    Engaged in the development and maintenance of responsive, production-grade web applications utilizing React, Vue, and Angular. Delivered full-stack solutions incorporating MERN/MEAN architectures and handled client-server communication, API design, and database integration.

  • Senior Software Engineer

    IBM · 2022 — 2025
    Designed enterprise-grade backend services with Python (Django/Flask) and Java-based microservices in distributed cloud environments. Established secure and scalable RESTful APIs for use by React and Angular frontend applications.

  • Senior Software Engineer

    ITC Management Group · 2021 — 2022
    Led machine learning initiatives utilizing Databricks for analyzing Bitcoin ASIC patterns. Developed Generative AI agents leveraging LLMs, OpenAI's API, LlamaIndex, and LangChain to improve conversational AI and automate user interactions.

  • Senior Full Stack Engineer

    Checlabs · 2020 — 2021
    Developed a modern web platform leveraging Gatsby, React Hooks, Redux, and Material-UI while focusing on performance and accessibility. Implemented server-side logic with NestJS and TypeScript and designed scalable MySQL database schemas.

  • Full-Stack Web Developer

    Sugarbae · 2020 — 2020
    Constructed and sustained a full-stack web platform using React, React Hooks, Redux-Saga, Node.js, and MongoDB. Developed responsive user interfaces to enhance user experiences and implemented single-page application architecture.

  • Software Engineer

    BairesDev · 2014 — 2020
    Developed modern web and mobile applications employing Java, JavaScript, TypeScript, PHP, and various frameworks. Achieved effective integration of backend services and APIs, while focusing on application reliability and user experience.