Sr Full Stack Engineer

About Us Coderio designs and delivers scalable digital solutions for global companies. We combine strong technical expertise with a product mindset to lead complex software initiatives end-to-end. We work with international clients, value autonomy and clear communication, and build long-term partnerships through technical excellence. 🌍 More information: We are looking for a seasoned Senior Full Stack Engineer to join a high-impact contract engagement with one of our premier international clients. This strategic initiative focuses on a massive modernization effort, migrating complex enterprise data systems and large-scale data processing architectures into a high-performance solution built on Python and T-SQL. If you thrive on complex data engineering, frontend optimization, and clean-code modernization, this is the perfect challenge for you. What To Expect In This Role (Responsibilities) Data Modernization: Deep dive into complex legacy data schemas to optimize, refactor, and convert backend database logic into clean, efficient Python scripts and modern reporting structures. Full Stack Engineering: Design, develop, and optimize robust APIs and backend business logic using Node.js and Python. Frontend Delivery: Build and enhance intuitive, high-performing user interfaces and data dashboards using ReactJS and Material-UI. Database Optimization: Write, troubleshoot, and fine-tune complex T-SQL / SQL Server queries, advanced stored procedures, and functions. Infrastructure Manag