Daniel L.
Engineering Manager, AI & ML @ ELSA, Corp
About
Engineering leadership focused on scaling AI systems that drive measurable business value. Experience spans the full lifecycle of intelligent products — from strategy and architecture to deployment and continuous iteration — with a strong emphasis on retrieval-augmented generation, personalization, and data-centric machine learning. Track record of building high-impact AI platforms for consumer and enterprise environments, leading teams that transform complex data into reliable, production-grade solutions. Expertise includes ML engineering, knowledge-based systems, quantitative modeling, and large-scale data pipelines applied across education technology, logistics, finance, and speech/language AI. Work centers on aligning technical vision with organizational goals, elevating product capabilities through intelligent automation, and enabling teams to deliver robust, scalable, and user-centric AI solutions.
Brazil
São Paulo
Information Technology & Services
Engineering Leadership, AI Strategy & Roadmapping, Team Management & Mentorship, Technical Architecture Decision-Making, Cross-functional Collaborations, Delivery Management for AI Products, Scalable AI Systems Design, Performance & Quality Governance, Machine Learning Engineering, Retrieval-Augmented Generation (RAG), Personalization Systems, Model Optimization, Teaching AI & Machine Learning, Data Science Education, Predictive Modeling, Artificial Neural Networks, Classroom Instruction, University Lecturing, Guest Lecturing, Higher Education Teaching
Experience

Engineering Manager, AI & ML
São Paulo, São Paulo, Brazil
Lead and scale AI & ML, define technical roadmap, manage cross-functional teams, drive delivery of core intelligent features, and ensure high standards of performance, reliability, and scalability. Key results include improved time-to-market for AI products, stronger technical governance, and elevated team productivity through mentorship and architecture oversight.

Senior Machine Learning & AI Engineer
São Paulo, São Paulo, Brazil
Designed and implemented advanced retrieval pipelines, personalization systems, and end-to-end machine learning workflows. Delivered increased relevance and engagement in client-facing AI solutions, optimized production models, and shaped data strategy for intelligent interactions at scale.

Graduate Professor of Artificial Intelligence & Data Science
São Paulo, Brazil
Works as a part-time AI & Data Science instructor, responsible for delivering graduate-level education focused on artificial intelligence, machine learning, and data science. The role involves teaching both theoretical foundations and practical applications, covering topics such as supervised and unsupervised learning, neural networks, predictive modeling, data visualization, and the full data science lifecycle. Challenges include translating complex technical concepts into accessible learning experiences and ensuring academic rigor while maintaining strong practical relevance. The outcome is the development of highly skilled professionals with a solid understanding of AI and data-driven methodologies, as well as increased engagement and knowledge retention among students. This experience has strengthened pedagogical skills, technical communication, and the ability to structure complex content for diverse learning profiles.

Machine Learning Engineer
São Paulo, São Paulo, Brazil
Worked on the development of Kin’s memory component, addressing the challenge of enabling personalized and accurate user interactions while maintaining strong data privacy guarantees. The solution involved building a system based on knowledge graphs and natural language processing to store, retrieve, and contextualize user information in a secure and structured way. Privacy considerations were embedded into the design through anonymization, access controls, and data retention policies, ensuring compliance and user trust. As a result, the platform achieved a more natural and helpful conversational experience, with improved relevance and continuity in interactions. This role enhanced expertise in memory architectures for AI systems, secure data handling, and the integration of NLP techniques for personalized user experiences.

AI & ML Engineer
São Paulo
Led the development of the core AI service powering products for carriers and shippers, addressing the challenge of creating scalable, data-driven solutions capable of delivering actionable insights for real operational decision-making. The solution involved building intelligent, user-friendly self-service platforms and contributing to proprietary recommendation engines that enabled customers to access smart, relevant data tailored to their logistics needs. As a result, end users were able to optimize operational processes, improve efficiency, and make more informed decisions, strengthening the value delivered by Loadsmart’s AI-driven products. This role fostered growth in product-oriented AI development, large-scale machine learning systems, and the design of intelligent services aligned with real-world business impact.

AI, ML & Data Engineer
São Paulo, Brazil
Worked on optimizing Google Ads campaigns by extracting and analyzing detailed user segmentation data, including demographics, interests, and behavioral patterns, addressing the challenge of improving targeting precision and campaign performance. The solution involved refining audience definitions through comprehensive data cleaning, transformation, and analytical processes, enabling more accurate segmentation and actionable insights for marketing strategies. As a result, ad targeting became more effective, leading to improved campaign performance, higher relevance of ads delivered to users, and better overall return on investment for digital advertising efforts. This role strengthened expertise in marketing data analytics, user segmentation strategies, and data-driven optimization of paid media campaigns.

Machine Learning Engineer
Lisboa, Portugal
Worked on building and maintaining a comprehensive data pipeline to support advanced AI model development in ASR, TTS, and NLP, addressing the challenge of handling large-scale datasets with high requirements for quality, consistency, and linguistic accuracy. The solution involved collecting, annotating, and processing extensive data, as well as leveraging internal AI models for pre-tagging and automating data cleaning processes to improve efficiency and standardization. This work contributed directly to the full AI model lifecycle, from language model design to ASR systems and data normalization, resulting in higher-quality training data and more reliable model performance. The role enabled strong technical growth in large-scale data operations, a deeper understanding of speech and language model development, and increased proficiency in building scalable, AI-driven data workflows

ML & Data Engineer
São Paulo e Região, Brasil
Worked on managing and executing the ETL process and data preparation for quantitative trading strategies, addressing the challenge of ensuring high reliability and accuracy of financial data used by research and operations teams in time-sensitive and precision-critical environments. The solution consisted of designing and maintaining robust pipelines for the ingestion, transformation, and validation of financial data, ensuring consistency and integrity for model development, backtesting, and production trading. As a result, data quality for quantitative models was significantly improved, analytical processes became more efficient, and decision-making support for trading strategies was strengthened. This experience fostered more profound technical expertise in financial data pipelines, a comprehensive understanding of the quantitative trading lifecycle, and greater proficiency in working within highly controlled, accuracy-driven environments.

Data Science Project Coordinator
São Paulo Area, Brazil
In the last-mile optimization project, the primary challenge was to improve logistics efficiency by reducing delays and operational costs in a high-volume and highly variable environment. The solution involved developing predictive models and optimization algorithms in Python, as well as building robust SQL data pipelines to ensure consistent and up-to-date information for decision-making. This work led to measurable improvements in delivery performance, greater forecasting accuracy, and optimization of routes and internal processes. Throughout the project, there was significant growth in end-to-end project management, cross-functional communication, and the ability to translate complex analytical insights into practical actions for non-technical stakeholders.

Machine Learning Engineer
São Carlos Area, Brazil
Working on the development and integration of Automatic Speech Recognition (ASR) models, the main challenge was to ensure the quality and robustness of the systems across different usage scenarios while maintaining consistent performance in speech recognition tasks. The solution involved training, evaluating, and deploying ASR models, supported by Python-based scripts and pipelines for data manipulation and process automation, as well as the use of SQL for data querying and organization. As a result, there was a notable improvement in speech recognition accuracy and greater efficiency in data preparation and processing workflows. This experience fostered strong technical growth in speech-focused machine learning and a deeper understanding of the end-to-end lifecycle of AI systems for language and audio processing.

Research Assistant Graduate Student
São Carlos, Brasil
Digital signal processing, time series analysis and modeling of biological systems. I work with tools for data processing, as well as statistical analyzes, such as Bayesian networks, using Python in Linux environment.
Daniel L.'s Contact Information
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