📍 Work mode: 100% Remote (US or UK working hours)🕒 Contract type: B2B💼 Experience level: Mid–Senior💰 Rate: 50–65 USD/h net + VAT📆 Project length: Long-term cooperation🏢 About the CompanyWe collaborate exclusively with a stable US-based client, a global leader in electronic trading platforms that has operated for over 25 years. The company serves the world’s leading asset managers, central banks, hedge funds, and other institutional investors — facilitating around 30 trillion USD in trades every month across its electronic marketplaces.📌 About the RoleWe’re looking for a Data Visualization Engineer to join an international team developing data applications and interactive analytics tools for large-scale trading systems.In this role, you’ll design and implement data visualizations, build reliable data pipelines, and contribute to the development of production-grade data services used by global financial institutions.💼 Your Responsibilities• Translate business requirements into technical specifications for data visualizations.• Present front-end mock-ups effectively to both technical and non-technical stakeholders.• Develop and operate data applications on Tradeweb’s data platform using public cloud infrastructure and modern technologies.• Build and maintain data pipelines — define schemas, create DAG workflows, and monitor data quality.• Manage and support mission-critical production services.✅ Must Have• 3+ years of experience in data engineering or front-end development.• Solid programming experience with Python, SQL, JavaScript, and HTML/CSS.• Strong hands-on experience building data visualizations • Experience implementing authentication, authorization, and web application security.• Good understanding of HTTP, REST APIs, WebSockets, and gRPC.• Experience with Kafka, Spark, Airflow/Prefect, Pandas/Polars, or similar tools.• Experience with AWS or GCP (S3/GCS, EC2/GCE, IAM, etc.), Kubernetes, and Linux in production.• Excellent communication skills and ability to collaborate with technical and business teams.➕ Nice to Have• Experience building custom visualization libraries for Streamlit.• Automated testing of web applications.• Performance optimization and scalability improvements.• Contributions to open-source projects.• Experience in financial services or fintech.🎁 What We Offer• Competitive hourly rate: 50–65 USD/h net + VAT (B2B).• 100% remote work with alignment to US or UK time zones.• Long-term cooperation with a leading global fintech company.• Flexible work environment and technical ownership.• Opportunities to work with cutting-edge cloud and data technologies