Senior Frontend Developer | HealthHero GmbH | Berlin, Germany

Sept, 2021 — Present

Responsibilities

• Creating advanced software solutions and web applications using React, Nextjs, TypeScript, JavaScript, Nodejs, HTML5, CSS3/SASS/LESS, Cypress, Jest, and Storybook, including developing a UI components library.

• By enhancing user accessibility on websites, I significantly improved the user experience.

• Implemented test-driven development (TDD) practices to guide the development process and ensure robust, maintainable code.

• Utilized React Testing Library to perform component-level testing, creating and executing test cases that focus on user interactions, rendering logic, and component state to ensure individual React components function as expected in isolation.

• Integrated Cypress tests into the continuous integration (CI) pipeline, ensuring that component tests run automatically on every commit, helping to catch regressions early in the development process.

• Developed the Long-Covid-App and the Questionnaire Rule Engine tool.

• My optimization efforts resulted in a 200% increase in website speed, a 10% reduction in bundle size, and a reduction in hacker attacks from 2.0% to 0.02%.

Frontend Developer | North.io GmbH (EGEOS GmbH) | Kiel, Germany

Oct, 2020 — Sept, 2021

Responsibilities

• Created software solutions and different web applications for clients using frameworks and technologies like React, Gatsby, Hugo, TypeScript, JavaScript, Nodejs, HTML5, Tailwind, CSS3/SASS/LESS, Cypress, Jest, and Storybook, including developing a UI components library.

• Transforming design assets from Photoshop, Figma, and wireframes into fully responsive, pixel-perfect, functional, and mobile-friendly web pages.

• Contributed to the development and maintenance of AMUCAD’s AI-driven Decision Support System (DSS) website for marine munitions. The system processes extensive data from various sources, such as scientific research, munitions management, and legal frameworks, to assist maritime and environmental administrators in making well-informed decisions.

• Designed and implemented a user interface that enables stakeholders to easily access and interpret complex underwater survey data, enhancing the usability and impact of the Daimon project.

• Leveraging the power of WebGL to render complex geospatial data in real-time, allowing for smooth and responsive user interactions, even with large datasets.

• Led the frontend development of a web-based tool that integrates complex geospatial data, providing users with an intuitive interface to analyze and visualize environmental and infrastructure data.

• Optimized the performance and usability of the diagram generation process, ensuring that large and complex projects could be visualized efficiently without compromising on detail or clarity.

• Led the migration of the project development tool from Webpack to Vite, enhancing development speed and improving build performance.

• The optimization of websites resulted in a 300% increase in speed.

Software Engineer | Daizu GmbH | Berlin, Germany

June, 2019 — June, 2020

Responsibilities

• Developed questionnaire app, e-commerce, CRM and blog-post website using using technologies such as React, Gatsby, GraphQL, CMS(Sanity), JavaScript, HTML, style-components and pure CSS.

• Converting design assets from Figma and wireframes into fully responsive, functional, and mobile-optimized websites.

• Integrating RESTful APIs and collaborating with backend systems.

• Emphasized testing components from the user’s perspective by simulating real-world scenarios, such as clicking buttons, filling out forms, and navigating through UI elements.

• Developed and maintained unit tests to ensure the accuracy and reliability of individual components and functions within the application.

• Implemented advanced techniques such as code splitting, tree shaking, and dynamic imports to minimize unnecessary code in the final bundle.

• Refactored codebase to achieve a 30% reduction in bundle size.

Software Engineer | Commercetools GmbH | Berlin, Germany

June, 2018 — June, 2019

Responsibilities

• Developed innovative API solutions using Node.js, CoffeeScript, REST, and GraphQL to create various modules that support modern microservice-based architecture for clients, such as Category Export and Resource Deleter.

• Built full websites and individual web pages for various clients.

• Utilized testing frameworks such as Jest, Mocha to write automated unit tests, achieving high code coverage and early detection of defects.

• Performed integration tests to validate the interactions between different modules and services, ensuring smooth communication and consistent data flow throughout the system.

• Designed and executed end-to-end (E2E) tests to verify the full functionality of web applications, covering everything from the user interface to the backend systems.

Software Developer | Bliss Energy Nig. Ltd. | Lagos, Nigeria

May, 2015 — May, 2018

Responsibilities

• Developed innovative software solutions using pure JavaScript, HTML, and CSS, and created various websites utilizing vanilla JavaScript, jQuery, React, HTML, and CSS.

• Played a key role in setting up the network that enhanced the company's development and growth.

• Initiated market research studies to identify demand for the company's products or services and captured business development opportunities to capitalize on them.

System Administrator | Emirates Flight Catering | Dubai, United Arab Emirates

May, 2012 — May, 2015

Responsibilities

• I was responsible for setting up and maintaining Windows Server 2012, managing and configuring routers and switches during network setup, and overseeing user account management.

• Handled the installation, updating, and maintenance of software on office equipment, including computer systems, routers, and switches.

Network Administrator | Yemshba Telephone Network | Ogun, Nigeria

March, 2010 — Sept, 2012

Responsibilities

• I was responsible for setting up and maintaining Windows Server 2008, managing user accounts, and overseeing the installation, updating, and maintenance of software on company systems.

• Handled the installation and upkeep of office equipment, including computer systems, routers, and switches.