Job Summary: Coderio is seeking a Full Stack Engineer to lead a critical technology migration, developing modern architecture while maintaining legacy systems with high technical demands. Key Highlights: 1. Lead complex and strategic technology migration 2. Participate in modern architecture and legacy operational continuity 3. High autonomy and end-to-end development **About Coderio** Coderio designs and delivers scalable digital solutions for global enterprises. With a strong technical foundation and a product-oriented mindset, our teams lead complex projects from architecture through execution. We value autonomy, clear communication, and technical excellence, collaborating closely with international teams and partners to build impactful technology. More information: http://coderio.com We are looking for a Full Stack Engineer who does not just execute tickets, but integrates into a high-caliber technical team focused on a complex and strategic technology migration. You will be a key contributor to the evolution of a business-critical platform, participating both in developing modern architecture and ensuring operational continuity of the legacy system. **What You Can Expect From This Role (Responsibilities)** This is a role demanding high technical rigor, autonomy, and execution capability. You will be responsible for developing end\-to\-end features in the modern architecture, performing corrective maintenance and resolving critical bugs in the legacy system, as well as supporting the precise and technically sound migration of business logic between both environments. You are expected to adapt quickly to different contexts and deliver value where the team needs it most. **Requirements** \+5 years of experience as a Full Stack Engineer \+3 years of solid experience with Angular (v12\+) \+3 years of experience with Node.js and TypeScript \+2 years of experience with C\# / .NET Core and SQL Server Experience developing end\-to\-end features Ability to maintain and resolve incidents in legacy systems Experience migrating business logic across different systems Ability to work autonomously in demanding technical environments **Desirable** Experience in technology modernization or migration processes Experience operating across both modern architectures and legacy systems Ability to rapidly switch context between different tech stacks Experience resolving critical incidents with sound technical judgment Participation in high-performing, fast-paced technical teams **Soft Skills** Mental Agility Full Autonomy Extreme Collaboration Complex Problem Solving Execution Capability Technical Ownership **Benefits** Remote work model Participation in a high-impact regional strategic project. Collaboration with an international team and strong technical leadership. Opportunity for professional growth within digital transformation projects. **Why Join Coderio?** We are remote\-first, passionate about technology, collaborative work, and fair compensation. We offer an inclusive, challenging environment with real opportunities for growth. If you’re motivated to build solutions that impact global finance and HR projects, we’re waiting for you. Apply now. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.