Sr Fullstack 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 Management:** Own and support application deployment utilizing Kubernetes and CI/CD platform infrastructure. **Collaboration & Quality:** Partner with global cross-functional teams, ensuring top-tier code quality, thorough documentation, and rigorous testing practices. ### **Requirements:** **Experience:** **8+ years** of professional software engineering experience in enterprise-grade full-stack environments. **Language:** **Full verbal and written fluency in English.** Excellent communication skills are required for daily collaboration with global teams. **Backend Stack:** Proven, production-level development experience with **Python** and **Node.js**. **Frontend Stack:** Strong hands-on experience with **ReactJS** explicitly combined with **Material-UI**. **Database Expertise:** Advanced, deep knowledge of **T-SQL / SQL Server** (complex query optimization, stored procedures, and performance tuning). **DevOps Infrastructure:** Solid experience managing and deploying applications on **Kubernetes** and handling **CI/CD platform infrastructure**. ### **Nice to Have** Technical experience working with **Sybase** databases. Professional experience with **Java**. Prior background in large-scale data migration, report engine modernization, or legacy database restructuring. **Benefits** 100% remote work. Long-term engagement with high impact and autonomy. Strategic and high-visibility role within a modern engineering culture. Opportunity to influence technical and business strategy. Collaborative international team with strong technical leadership. Clear growth path and leadership opportunities within Coderio. **Why Join Coderio?** At Coderio, we value talent regardless of location. We are a fully remote company, passionate about technology, collaboration, and fair compensation. We offer an inclusive and challenging environment with real growth opportunities. If you are motivated to design solutions that make a difference, we are waiting for you. Apply now.