Hire the Top 2% of
Remote Data Warehouse Testing Developers

Esimit K.

Vetted Data Warehouse Testing developer in the United States (UTC-7)

I am a highly skilled Full-Stack Developer with a strong background in frontend and backend development, specializing in React.js, Next.js, Node.js, Express.js, and FastAPI. With over 5 years of experience, I have built and deployed scalable web applications, APIs, and decentralized platforms that enhance user experience and optimize business processes. My expertise spans modern JavaScript frameworks, microservices architecture, cloud solutions (AWS, Firebase), and blockchain development (Solidity, Web3.js). I am passionate about performance optimization, security best practices, and creating seamless digital experiences through clean, maintainable code. In my career, I have: \- Led full-stack projects from concept to deployment, improving efficiency and reducing costs. \- Optimized backend performance, cutting API response times by 40% through caching and database indexing. \- Developed decentralized finance (DeFi) applications, enabling secure and low-cost crypto transactions. \- Integrated CI/CD pipelines and Dockerized environments to streamline software deployment. I am a proactive problem solver and a collaborative team player, constantly seeking new challenges in web, cloud, and blockchain technologies. Whether it's architecting backend services, crafting interactive UIs, or securing APIs, I bring innovation, scalability, and reliability to every project.

Andre M.

Vetted Data Warehouse Testing developer in Barbados (UTC-4)

Results-oriented data engineer and analyst with extensive expertise in delivering impactful, research-driven solutions. Proficient in mathematical and statistical modeling, Bayesian statistics, and machine learning using tools such as Scikit-learn and PyTorch. Skilled in natural language processing (NLP) with large language models (LLMs) and full-stack Python development using Django. Experienced in data orchestration with Prefect and designing horizontally scalable, distributed systems with tools like Dask, PySpark, and Kafka to manage high-throughput environments. Proven track record of developing successful trading algorithms for stocks, forex, and cryptocurrency markets, and applying statistical process control methodologies (DMAIC) for Root Cause Analysis (RCA) and resolving complex challenges.

Paulo A.

Vetted Data Warehouse Testing developer in Brazil (UTC-3)

Hi, I'm Paulo! As a dynamic Data Engineer and Senior Data Specialist with over 12 years in the tech industry, my career has been shaped not just by technology, but by a genuine curiosity to solve complex problems. Starting from my foundation in Production Engineering and further expanding through a postgraduate degree in Software Engineering, I’ve always been fascinated by how data can drive impactful business results. My journey has taken me through diverse challenges, from building ETL pipelines that scale across different platforms to automating workflows using Power Automate and creating custom applications with Power Apps. But what truly motivates me is seeing the real-world impact these solutions have on organizations and teams. Currently, as a Senior Data Specialist at CI&T, I’m diving deeper into Azure Data Factory, Apache Spark, and distributed computing to drive even greater innovation. I thrive in collaborative environments, having worked closely with cross-functional teams to ensure data architectures align with business goals, leading to successful projects and lasting partnerships with clients around the world. Beyond the tech, I’m passionate about continuous learning. I’m currently pursuing certifications in Microsoft Azure Data Engineering and GCP Professional Data Engineering to keep pushing my limits.

vijay T.

Vetted Data Warehouse Testing developer in the United States (UTC-5)

· Over **17+ years** of experience in **Data Engineering, Data Migration ETL/ELT Quality and Testing**using large structured and unstructured datasets · Experience in **financial Banking, Retail, Energy and Payroll** domains · Experience in **Integration, Functional, Regression, System Testing, Load Testing, UAT Testing and GUI testing**. · Excellent working knowledge of **System Development Life Cycle (SDLC) and Software Testing Life Cycle (STLC) and Defect Life Cycle (DLC).** · Experienced in working with cloud-based technologies such as **AWS, Snowflake,GCP, IBM Tririga SuccessFactors** to design, develop, and implement data management solutions · Experienced in ETL tools like IBM data stage, **SAP BODS, Alteryx, Informatica** · Skilled in developing ETL/ELT processes to extract, transform, and load data into data warehouses and data lakes · Experience in migration process **SAP, Oracle, Teradata, DynamoDB and DB2 systems** · Expertise in writing **Data quality rules using SAP information stewards** · Expertise in developing **data pipelines** · Experienced in leveraging **data visualization tools such as Tableau and Power BI** to create insightful dashboards · Excellent problem solving and **analytical skills, with the ability to identify and resolve data related issues quickly and effectively** · Experience in **creating test data for validations** · Experienced in **Agile Methodologies, CI/CD pipeline to build, develop and automate process**

Saurabh S.

Vetted Data Warehouse Testing developer in Canada (UTC-4)

Data-driven professional with over three years of experience in cybersecurity at Quick Heal Technologies. Skilled in Java, Python, and data analysis. Holds a master’s degree in software engineering from Concordia University, Montreal. Core Skills: Collaboration, Organization, Teamwork, Consistency, Analytical, Conflict Resolution.

Maurizio M.

Data Warehouse Testing developer in Italy (UTC+1)

I am a passionate software engineer, focused on the application of artificial intelligence, cybersecurity and technological innovation to help entrepreneurs digitize their online businesses with precision and efficiency, with the aim of maximizing profits. My solid background as a software engineer has developed into a career dedicated to the advanced modeling of mechatronic systems using AI-based solutions, with the production of patents and scientific articles. I am constantly updated on the latest technological innovations and emerging trends in the digital world. Over the past 15 years, I have honed my skills in a wide range of technological disciplines, with particular emphasis on: Cybersecurity: I have acquired advanced skills in protecting corporate data and mitigating cyber threats. My ability to design and implement robust security solutions has been crucial in protecting the digital operations of the companies I have worked with. My key skills include: \- Business Digitalization: I am an expert in guiding companies through the digital transformation process, identifying opportunities for improvement and implementing advanced solutions. \- Online Sales and E-commerce: I have extensive experience in creating and optimizing online sales strategies, including successful management of e-commerce platforms. \- Financial Management and Budgeting: I have the ability to successfully manage company budgets, ensuring efficient use of financial resources. \- Software Integration: I am able to select and implement integrated software solutions that significantly improve operational efficiency. \- Team Motivation and Coaching: My ability to inspire and motivate the team is crucial to achieving ambitious goals through coaching and leadership. Skills developed by covering roles in different contexts, both work and non-work. Professional Goal: My main goal is to continue to leverage my advanced knowledge in artificial intelligence, cybersecurity and technological innovation to guide entrepreneurs in the digitalization of their businesses. The goal is to enable them to sell products and services online successfully, with particular attention to timeliness and the specific needs of each customer.

Sani A.

Vetted Data Warehouse Testing developer in Nigeria (UTC+1)

With 6+ years of diverse experience as a certified, highly organized, solution-oriented, and resourceful professional in various facets as a data analyst, information management officer, admin database manager, and digital marketing manager. I provide overarching support in performing data collection, cleaning, and structuring to ensure the completeness and accuracy of datasets; developing and implementing data models to structure information; conducting exploratory data analysis to identify patterns; applying statistical analysis techniques to provide insights and recommendations; creating visualizations and dashboards to communicate findings using tools like Excel, Power BI, Tableau, Spotfire, Looker and SQL. My expertise is in applying machine learning and advanced analytics to solve complex problems; automating data processes to enhance efficiency and scalability, optimizing database performance, executing digital marketing campaigns, analyzing marketing data, and managing lead generation and nurturing programs.

Noah P.

Vetted Data Warehouse Testing developer in the United States (UTC-7)

Data Engineer experienced in building data pipelines, machine learning models, and infrastructure-as-code. Skilled in bridging business and engineering perspectives to scale up enterprise analytics. Passionate about building reliable data architectures that users depend on.

Marcel P.

Vetted Data Warehouse Testing developer in Brazil (UTC-3)

Please, visit my Linkedin for more details: [https://www.linkedin.com/in/marcel-pallete-81166b2b/](https://www.linkedin.com/in/marcel-pallete-81166b2b/) I'm an experienced Senior Data Consultant. I work for large banks and have worked for steel retailers, cargo transport companies and plastic industries, developing projects in Data engineering, integration, architecture, Business intelligence, Data analysis and Machine learning, in both Cloud and on-premisses Big Data environments, having worked in all parts of the process, from data ingestion to final delivery, including sizing, provisioning and management of cloud resources I have had the opportunity to work on BI projects in sales intelligence, operational efficiency, supply chain, controllership and finance, market monitoring, Web Analytics of digital banking products and Open Finance. I also worked on an Azure Cloud implementation project in a large bank, where I participated in the construction of its Big Data environment focused on Machine Learning and BI projects, having worked from absolute scratch. I am currently working on a data integration project between an on-premisses Big Data environment and Salesforce in a large bank, using Spark to process large volumes of data, in the range of billions of records daily. Before working in tech, I worked in various business areas, and it helps me to overcome challenges and deliver greater value faster every day.

Panji H.

Data Warehouse Testing developer in Indonesia (UTC+7)

A passionate and adaptable Senior Data Analyst with 4+ years of expertise in exploring, evaluating, and solving problems to derive actionable insights for decision support. Proficient in data collection, processing, modeling, analysis, visualization, and interpretation using tools such as SQL, Python, BigQuery, Airflow, Tableau, Metabase, and Superset. Experienced across diverse industries, including games, e-commerce, advertising, video-on-demand, and healthcare, which has sharpened my business acumen and enhanced my problem-solving capabilities. My physics background has honed my analytical skills, critical thinking, and proficiency in modeling and simulation. Additionally, my experience in various business units, including operations, marketing, and advertising, has enabled me to address a wide range of challenges using data-driven methods.