Senior Full Stack Engineer – Vialto Rewards -

Company description Vialto   is a market leader in global mobility services. Our purpose is to ‘Connect the world’.   We are unique and the only stand-alone global mobility business. This presents a rare opportunity for our clients,   stakeholders   and colleagues.   Our teams help companies streamline and effectively manage their global mobility programs in a cost-efficient and compliant manner. Our services focus on providing cross-border compliance and risk assessment for tax, immigration, business travel, rewards and compensation, and remote work.    Working at   Vialto   is about getting the chance to be part of a global and dynamic team.  Globally,   Vialto   has over   8,000   staff and continues to grow.  You will work with clients from a range of industries and different geographical locations. We believe in connecting the world and supporting our colleagues to do the same in their careers by undertaking assignments and opportunities globally that broaden their skills and   ultimately benefit   our clients.     Vialto   is unstoppable when we work together in a culture of belonging, where everyone can thrive. We encourage employees to bring their true selves and share their unique talents and   expertise   to positively   impact   the communities we serve.   To learn more about what we do, tune in to our podcast   On the Move   to hear expert insights on issues affecting global mobility, and read about the   latest news   in the industry.  You can also follow us on   Linkedin   and   Instagram.      Role Summary  Vialto is hiring a Senior Full Stack Engineer to design, build, and operate secure, scalable products that power our Compensation Collection, Shadow Payroll, and Equity offerings for the world’s most complex multinational employers. You will deliver hands-on engineering across Next.js and React front ends and C# and .NET services running on Microsoft Azure, working in a highly regulated, multi-jurisdictional environment where accuracy, auditability, and data privacy are non-negotiable. This role is for an experienced engineer who can own end-to-end features—from cross-border compensation data ingestion to shadow payroll calculation engines to equity event processing—contribute to architectural decisions and consistently deliver production-ready solutions using agentic development practices including spec-driven development and agent-driven development with tools such as Claude Code and Codex. You will build AI-native products and workflows, embedding AI capabilities directly into compensation, payroll, and equity workflows to reduce manual effort and improve global mobility outcomes.  What You’ll Do  Build and evolve modern web experiences for Compensation Collection, Shadow Payroll, and Equity products using Next.js, React, and TypeScript with a focus on performance, reliability, and clarity for tax, payroll, and mobility operators.  Design and implement backend services and APIs using C#, .NET,…