freelance data science engineer python sql

Join EPAM as a Senior Data Software Engineer to design and implement innovative analytical solutions using cloud-native, big data and NoSQL technologies. In this role, you will build robust data ingestion pipelines, model complex data architectures and guide cross-functional teams through critical technical decisions. Your expertise will drive complex...

Key Responsibilities Design, develop, and optimize scalable ETL/ELT pipelines using Databricks, SQL, Python, and Spark. Build and maintain robust data models and data products that enable analytics, automation, and business decision-making. Ensure data quality, reliability, and maintainability through monitoring, testing, documentation, and CI/CD best...

Key Responsibilities Design, develop, and optimize scalable ETL/ELT pipelines using Databricks, SQL, Python, and Spark. Build and maintain robust data models and data products that enable analytics, automation, and business decision-making. Ensure data quality, reliability, and maintainability through monitoring, testing, documentation, and CI/CD best...

Req ID:525927    At Alstom, we understand transport networks and what moves people. From high-speed trains, metros, monorails, and trams, to turnkey systems, services, infrastructure, signalling and digital mobility, we offer our diverse customers the broadest portfolio in the industry. Every day, more than 80 000 colleagues lead the way to greener and...

We are seeking a Senior Full Stack Engineer to build scalable web applications end to end. You’ll design Front-end experiences in JavaScript and TypeScript, deliver Python APIs and services, and improve quality, security and performance in cloud-native environments. You’ll also mentor engineers and partner closely with Product, QA and...

Job Description About the Role State Street Investment Management’s Data, Analytics & AI Services (DAAIS) team is seeking a Senior Data Platform and Agentic Engineering Principal (Vice President) for our Hangzhou office. This role is responsible for the architecture, engineering delivery, and operational excellence of a modern data platform and its agentic...

Location:CN-Shenzhen-HyQShift:Standard - 40 Hours (China)Scheduled Weekly Hours:40Worker Type:PermanentJob Summary:This role is a critical part of the Enterprise data team involved in the replacement of legacy ETL tool by providing key data engineering activities including pipeline management, analysis & visualisation engineering. The role will be working...

Job Summary We are seeking a Cloud & Data Solution Engineer specializing in Data Engineering to design, build, secure, and optimize modern data platforms on Microsoft Azure and Microsoft Fabric. The successful candidate will work closely with business and technology stakeholders to deliver scalable data solutions, analytics platforms, and cloud-native data...

Job Summary SQL, Python, ETL and ML concepts, Apache Spark, Azure/AWS fundamentals, Datawarehouse, Datalake knowledge, Distributed systems design, and architecture. Good to have Flink, Vector Key Responsibilities A data engineer who builds the pipelines and data infrastructure that feed AI/ML and agentic applications, owning ingestion through to...

Are you excited to design and operate large‑scale data platforms that power global research and innovation?Do you enjoy collaborating across teams to build reliable, compliant, cloud‑based data solutions?About our TeamElsevier is a global information analytics company that helps institutions and professionals progress science, advance healthcare and...

Job descriptions may display in multiple languages based on your language selection.What we offer:At Magna, you can expect an engaging and dynamic environment where you can help to develop industry-leading automotive technologies. We invest in our employees, providing them with the support and resources they need to succeed. As a member of our global team,...

Entity: TechnologyJob Family Group: IT&S GroupJob Description: Job PurposeThe Digital Staff Enterprise Engineer is responsible for overseeing the digital platforms supporting Castrol China's supply chain and data ecosystem, ensuring delivery excellence, operational stability, security, and continuous improvement.The role leads the development and execution...

Job Summary Seeking a highly skilled and detail-oriented (Senior) Data Analytics Solution Engineer to join the Data Warehouse Team, with primary responsibility for Oracle, PostgreSQL, SSAS and Power BI Report Server (PBIRS) platform architecture, implementation, and long-term operational support. The role is responsible for designing and sustaining complex...

The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember more. Speechify’s text-to-speech reading products...

The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember more. Speechify’s text-to-speech reading products...

Welcome  If you're someone who inspires others, owns their impact and wants to elevate what they do, you'll fit right in. Until July 1, our business was part of BASF. As part of the current transition, all job listings and the application process are still hosted on the BASF platform and therefore fully presented in BASF branding.Please do not be confused...

Company DescriptionThe Bosch Group is a leading global supplier of technology and services. It employs roughly 429,000 associates worldwide (as of December 31, 2023). The company generated sales revenue of 91.6 billion euros in 2023. Its operations are divided into four business sectors: Mobility, Industrial Technology, Consumer Goods, and Energy and...

We are seeking a Senior Back-end Engineer in Shanghai to build scalable services and APIs for enterprise platforms. You will design microservices, integrations and data workflows, guide technical decisions and improve reliability through clean code, testing and automation. This role is office-based with close collaboration across...

This role acts as the execution engine for data monetization and AI enablement. Leading an agile engineering team, you will adopt a "Forward Deployed Engineering" mindset. Your focus is not just moving data, but building the complex, real-time pipelines that feed the Data Semantic Layer, populate the Knowledge Base, and reliably deliver AI-Ready Data to...

Responsibilities: Data mining or data extracting from multiple data sources. Design, develop, and deploy ML/AI algorithms and deploy the algorithms to production. Research and analyze data to find deep relations within that data to be used within the ML/AI algorithms. Carrying out preprocessing of structured and unstructured data. Present...