Full Stack Flutter Developer

About WastelWastel is building digital infrastructure to structure waste flows, bio-resources, and environmental compliance across industries. Our platform connects waste producers, processors, and manufacturing ecosystems through technology.We are building a serious production system, not a design prototype.The application involves data pipelines, backend services, and complex stakeholder workflows.Role OverviewWe are looking for a Flutter engineer who understands systems, not just screens.The role requires someone who can design and build the full application stack, including backend services, APIs, server integrations, and data architecture.If your experience is limited to UI implementation or consuming APIs created by others, this role will not be a fit.What You Will BuildProduction-grade Flutter mobile and web applicationsBackend services and REST APIsData architecture and secure server integrationsEnd-to-end client-server communicationScalable application workflows used by multiple stakeholdersYou will contribute to the complete application architecture, not just frontend components.Key ResponsibilitiesApplication DevelopmentDesign and build high-performance Flutter applicationsImplement scalable state management and architectureEnsure mobile and web performance across devicesBackend EngineeringDesign and implement RESTful APIsBuild and maintain backend servicesImplement authentication, authorization, and server logicDesign efficient database structures and data flowsArchitecture & IntegrationArchitect complete client-server data pipelinesManage backend integrations and cloud servicesEnsure reliable data synchronization and application stabilityMandatory Requirements (Strict)Minimum 3 years of Flutter development experienceAcademic background in Computer Science, Computer Applications, or related technical disciplineDemonstrated experience building backend services and APIsStrong understanding of:REST API architectureClient-server communicationDatabase designApplication data flowsSecure server integrationsCandidates without backend development experience will not be considered.Strongly PreferredExperience building full-stack mobile applicationsBackend development experience with Node.js, Python, Firebase, Supabase, or similarExperience designing application architecture from scratchFamiliarity with cloud infrastructure and deploymentsExperience with scalable system designWhat We ValueEngineers who understand systems and architectureDevelopers who take ownership of problemsBuilders who prefer clean engineering over quick hacksPeople comfortable working in early-stage product environments