Onyekachi E.

InStaff is a fast-growing staffing platform in Germany with the goal to make the booking of temporary staff simple, legally secure, and cost-effective. I lead the development of the InStaff app for the iOS platform.

• Designed and implemented the app from scratch to launch which has 10k + daily downloads with a 77% retention rate of converted users.
• Advised the team on the best way to improve their project management processes which helped to reduce cycle time and provided better clarity on expectations from developers.
• Collaborated with the front-end and Android engineers to ensure platform behaviors are preserved for iOS users.
• implemented a design system and custom reusable UI components that helped to reduce the time in recreating a new design programmatically.
• Implemented a crash reporting log to ensure issues are identified on time and fixed.
• Advised the designer with web experience designing to adhere to the Apple Human design guideline in order to create a better experience for iOS users.
• Implemented an efficient algorithm to enable users to filter down jobs to what they really want.
• Implemented continuous integration with automated builds and test runs to ensure high code integrity.
• Implemented unit tests for the features I worked on.
• Achieved an efficient solution of keeping the jobs presented to users relevant to them by updating the app contents at regular intervals.
• Implemented the localization of the app to support the German language in order to provide a better user experience for our users.
• Implemented an efficient algorithm to filter available jobs and categorise them for a better navigation experience for users.
• Implemented a compelling UI with a great user experience that looks good on different screen sizes which provides a great experience for our users.

152 Tech creates smart retail solutions for highly regulated industries. The company develops human-friendly digital platforms to streamline business processes, reduce wait times, and improve the overall customer experience. I worked as the lead iOS engineer in charge of its two iOS apps.

• Helped to resolve the technical debts in the apps which improved the overall user experience of the apps.
• Implemented new features completion before the expected deadline that helped the company acquire one of its biggest clients to start using their solutions.
• Increased product match by 98% by implementing an efficient bar-code matching algorithm that identifies the right product.
• Reviewed code by other developers to ensure our code quality is preserved.
• Mentored junior developers in the team.
• Prioritized and organized development tasks in order to contribute to meeting project and product development goals on time and on budget.
• Set up a continuous integration pipeline for the project.
• Integrated the hardware for EPSON printer and socket scanner to communicate with the app through Bluetooth.
• Optimized the discount feature which helped to boost sales by 15%.
• Utilized EPSON Printer SDK for receipt formatting based on client needs.
• Implemented a feature for enabling auto receipt printout in the app.
• Utilized build configuration (.xcconfig) files with schemes for development, testing, and production environments.
• Integrated fast lane for continuous deployment.
• Set up Firebase Crashlytics to capture crash logs.
• Implemented UI designs programmatically in code using Autolayout to lay them out pixel-perfect.