Onyekachi Ezeoke

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.

Andela is a  global job placement network for software developers.

Worked on an internal app tool used by developers to log their weekly pulse and used by managers to rate developers working with them in their placement.

• Implemented the redesigned app to improve the overall user experience.
• Pair programming with my team members to help them resolve their blockers.
• Implemented features used by managers to rate the developers on their team.
• Organized workshops with my team for knowledge sharing.
• Implemented a feature for reminding the app users to capture their weekly pulse in the app.
• Mentored software engineer interns by providing adequate guidelines and feedback to help them grow.
• Volunteered in the Andela outreach community program teaching teens how to code.
• Coordinated with about 30 software developers in building one of Andela's internal asset management products and successfully launched the MVP of the product.
• Assisted the product manager in handling all Scrum ceremonies and resolving conflicts within the team.
• Handled product demos to the stakeholders.
• Performed code reviews to ensure the implementation follows the coding guides and that it is of good quality.
• Provided one-on-one support to developers to help them clarify the concerns they have about their tasks.