Hire expert data analysts in Lisbon, PT

"It was great to work with him."

"Realtime Zendesk Monitoring Dashboard for Technical Services Software"

"I am pleased to recommend Oyediran Oluwaseyifunmi, a highly valuable member of our team who consistently demonstrated professionalism, initiative, and strong analytical skills. Oyediran took ownership of key responsibilities across multiple projects, particularly those requiring data driven insight. Her expertise in data..."

"I am pleased to recommend Oyediran Oluwaseyifunmi, a highly valuable member of our team who consistently demonstrated professionalism, initiative, and strong analytical skills. Oyediran took ownership of key responsibilities across multiple projects, particularly those requiring data driven insight. Her expertise in data collation and analysis played a significant role in the success of several documentary projects involving surveys, public opinion research, and social media polling. She worked with minimal supervision, delivered reliable results, and brought clarity and structure to our research processes. She is a thoughtful and dependable professional, and I am confident she will be an asset to any organization that values analytical thinking and accountability. I recommend her without reservation. Kind regards, Olaoye popoola."

"I am pleased to provide this reference for Simon Neumeyer, whom I have worked with closely at the World Bank over the past several years. In my role as Task Team Lead, I oversaw Simon’s work on two large-scale data science projects, most notably for a city-level global decarbonization analytics project Passenger Transport..."

"I am pleased to provide this reference for Simon Neumeyer, whom I have worked with closely at the World Bank over the past several years. In my role as Task Team Lead, I oversaw Simon’s work on two large-scale data science projects, most notably for a city-level global decarbonization analytics project Passenger Transport Emissions Pathways (PATH), and a computer-vision-based road safety impact evaluation in Addis Ababa and the development of Vehicle Incidence Detection Algorithm. Simon played a central role in designing and implementing end-to-end data pipelines for a variety of complex applications. In the global decarbonization project PATH, he worked with extremely large and heterogeneous datasets (exceeding 120 TB), integrating proprietary and public data sources such as GPS-trace mobile phone mobility data, population and built-environment indicators, and transport network data. His work required careful attention to scalable data architectures, efficient storage and transformation strategies and parallelized computation. Simon consistently demonstrated strong judgment in balancing methodological rigor with practical constraints. His work in optimizing the data pipeline made it possible to complete the project on time despite the huge amount of data. In parallel, Simon led the data and analytics components and the development of a computer vision analysis tool that was applied in Addis Ababa, the very first application of such a tool in a low-income country setting. He led video data processing using machine learning techniques to extract behavioral and safety-related metrics. He was responsible not only for modeling and data processing, but also for validating results, ensuring data quality and translating technical outputs into clear analytical insights for a broad range of stakeholders. Across projects, Simon showed particular strength in generating actionable insights from data. He initiated and developed monitoring systems and dashboards very quickly that were actively used by technical teams, operational staff and senior decision-makers within the World Bank. His analyses supported high-frequency monitoring, impact evaluation and strategic decision-making in complex policy environments. One of Simon’s greatest strengths is his ability to learn quickly and his eagerness to take on new challenges. He does not shy away from new challenges, he engages deeply, figures out quickly, builds proficiency rapidly, and translates that learning into practical solutions. Simon is highly responsible, works independently, communicates clearly and collaborates effectively with economists, engineers, and other stakeholders. He combines strong technical skills in Python-based data engineering, analytics, and machine learning with a pragmatic, solution-oriented mindset. I consider Simon to be a highly capable and reliable data scientist and data engineer, and I would strongly recommend him for roles that require building robust data systems, working with complex datasets and translating data into meaningful insights. Please feel free to contact me should you require any further information."

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