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Caleb Grimah
Looking for a jobSenior Software Engineer
Senior Software Engineer at Endeavor Streaming who built cross-platform playback experiences for web, mobile, and connected TVs.
NigeriaSenior Software Engineer at Endeavor Streaming
Experience
Senior Software Engineer
Built and maintained production streaming apps in React, React Native, and TypeScript, delivering high-performance video experiences across web, Android, iOS, smart TVs, and connected-TV platforms. Implemented live and on-demand playback, real-time UI, and reusable components.
ReactReact NativeTypeScriptREST APIsPlaybackSmart TVDebuggingMentorship
Software Engineer
Built healthcare products covering electronic medical records, appointments, telehealth, pharmacy, laboratory services, memberships, and payments across web, mobile, and backend. Developed REST APIs, cross-platform apps, and offline-first workflows.
NodeJSExpressSpring BootReactReact NativeFlutterKotlinJavaRedisRabbitMQGoogle Cloud PlatformREST APIsOffline FirstTestingMentorship
Android Developer
Developed Udongo, an offline-first Android app in Kotlin and Java for agricultural extension workers collecting field data in areas with unreliable connectivity. Implemented local persistence, field-form validation, queued submissions, and REST API integration.
KotlinJavaAndroid SDKOffline FirstREST APIsSynchronizationDebugging
Software Engineer
Developed BioConnect and BioSuite, building biometric enrollment, fingerprint verification, identity management, access control, and device administration features. Built Java and Spring Boot services and REST APIs with RBAC and third-party integrations.
JavaSpring BootREST APIsRBACNeurotechnology SDKAndroidWeb Development
Founder
Designed and built the platform end to end: Kotlin/Spring Boot backend, REST APIs, PostgreSQL data models, brand web portal, creator mobile app (React Native), and operations console. Implemented campaign management, creator submissions, reviews, and financial workflows.
KotlinSpring BootREST APIsPostgreSQLReact NativeRole Based Access ControlWorkflow Management
Founder
Built the complete product (Next.js, React, TypeScript, Node.js, PostgreSQL, Redis) across frontend, backend, APIs, database, authentication, and deployment. Included creator discovery, project applications, shared workspaces, milestones, and role-based team administration.
Next.jsReactTypeScriptNodeJSPostgreSQLRedisAuthenticationDeployment
Education
Madonna University
Bachelor of Science in Computer Science. Founded student groups for sharing technical knowledge and solving programming challenges together, and mentored junior students in programming fundamentals, debugging, and project development.