Location: Karachi | Night Shift (US Operations Alignment) *Job Summary* We are hiring a *Senior Full Stack Engineer / Solution Architect* to build and scale internal platforms that power a 500+ retail store operation in the US. This role combines *hands-on development* with *system architecture and technical leadership*, focused on building internal portals, workflow systems, automation tools, and enterprise integrations. You will play a key role in developing the *digital backbone of the organization*, driving efficiency, automation, and data-driven operations. *Key Responsibilities* * Design and develop *internal portals, dashboards, and workflow systems* * Architect and build *scalable backend services and APIs* * Develop *automation tools (bots, scripts, RPA)* to reduce manual work * Design and manage *databases and data models* * Integrate with third-party systems (CRMs, telecom systems, payment systems, APIs) * Implement *approval workflows, role-based access, and audit systems* * Ensure systems are *secure, scalable, and high-performing* * Collaborate with business teams (operations, finance, HR) to translate requirements into systems * Lead *code reviews, architecture decisions, and best practices* * Support deployment, monitoring, and continuous improvement *Tech Stack* *Backend* * .NET Core / ASP.NET Core *OR* Java (Spring Boot) * REST APIs (JSON), SOAP (as needed) * …