Senior Software Developer – Railway Ticketing System (Web & Mobile)

ContractContract/country: Contractor/FreelanceJob family: ITCompany DescriptionDo you want to shape the world of tomorrow and work on innovative projects? Then you're a good fit for us! We are a global engineering group with 15,000 employees and 140 locations worldwide. With our services, we are driving the topics of energy efficiency, climate protection and decarbonization and developing tech industries into new dimensions.The world of SEGULA Technologies Experts revolves around industries such as automotive, software, energy and life sciences. As an independent player, we support OEMs and suppliers with personal engineering services. Take advantage of new opportunities and take on exciting tasks and attractive positions with direct customer assignment.Job DescriptionProject OverviewWe are supporting a strategic railway project in the UAE focused on the development and enhancement of adigital ticketing system.We are seeking aSenior Software Developerwith strong expertise in modern web and mobile technologies to contribute to frontend/backend development, authentication integration, payment gateway implementation, and GIS-based functionalities.This is a3-month contractwith strong potential for extension based on project requirements.Key ResponsibilitiesWeb DevelopmentDevelop and maintain web applications usingReact / Next.jsBuild scalable applications usingTypeScript 5Implement containerized environments usingDocker / Docker ComposeDevelop and maintain unit testing usingJestEnsure high performance, security, and maintainabilityImplement authentication solutions usingKeycloakIntegrateOIDC (OpenID Connect)protocolsEnsure secure identity and access managementPayment Gateway IntegrationIntegrate and manageMPGS (Mastercard Payment Gateway Services)Ensure secure transaction processing and payment validationSupport testing and troubleshooting of payment flowsGIS & GeocodingImplement map-based features using:MapboxOpenStreetMapManage geolocation and geocoding functionalitiesDevelop cross-platform mobile applications usingFlutter / DartDeliver iOS and Android applicationsEnsure performance optimization and release readinessQualificationsMandatory SkillsStrong hands-on experience with:React / Next.jsTypeScript (v5 preferred)Docker / Docker ComposeJestKeycloak / OIDCMapbox or OpenStreetMapFlutter / DartPreferredExperience inRailway / Transportation / Ticketing systemsExperience in secure payment platformsAdditional InformationSenior Software Developer (minimum 5+ years experience)Proven delivery of production-grade web & mobile applicationsStrong understanding of scalable architectureAbility to work independentlyBased in UAE (remote work possible)Immediate or short notice preferredPlease note that only shortlisted candidates will be contacted#J-18808-Ljbffr