John Cole

Senior Software Engineer (Frontend) at Börse Stuttgart Digital
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Contact Information
us****@****om
(386) 825-5501
Location
Düsseldorf, North Rhine-Westphalia, Germany, DE
Languages
  • English Full professional proficiency

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Experience

    • Germany
    • Financial Services
    • 1 - 100 Employee
    • Senior Software Engineer (Frontend)
      • Jul 2022 - Present

      In my current role, I serve as a Senior Front-end Engineer with a focus on developing web and mobile applications. I possess and use expertise in TypeScript, React, React Native, Ionic, Redux and REST (amongst others) to; designing and implementing new features, whilst ensuring the smooth functionality of the platform. As part of my responsibilities, I also conduct thorough unit testing to help ensure the stability and functionality of the platform. I also perform code review to help adhere to proper coding standards and ensure code quality. My strong troubleshooting and debugging skills allows me to quickly identify and resolve issues to minimize platform downtime. I work both independently and collaboratively in a team environment to complete tasks and meet deadlines and have been committed to delivering quality work and continuously improving my skills to provide value to the team and organization. Show less

    • Health and Human Services
    • 100 - 200 Employee
    • Frontend Engineer
      • Jan 2021 - Sep 2021

      During my contract with Doc Morris, I was tasked with developing a Proof of Concept (POC) for their Doc Morris Health Platform using modern JavaScript technologies such as React and Next.js. The main objective was to showcase the feasibility and potential of migrating their platform to a more contemporary framework. In collaboration with the Doc Morris team, I began by conducting a thorough analysis of their existing platform and its functionalities. This helped me understand the requirements and design a strategy for the POC development. I proceeded to architect the POC using React, a widely-used JavaScript library for building user interfaces, and Next.js, a framework that enhances React applications with server-side rendering and routing capabilities. This combination allowed for improved performance, SEO optimization, and enhanced user experience. Throughout the project, I collaborated closely with the Doc Morris team, gathering feedback and making iterative improvements based on their input. This iterative approach ensured that the POC aligned with their vision and goals. Upon completion, I presented the POC to the Doc Morris team. The presentation highlighted the benefits of the modern JavaScript framework, showcasing improved performance metrics, enhanced user interactions, and better overall user experience. I also provided a detailed technical documentation outlining the architecture, codebase, and potential next steps for transitioning from POC to a full-fledged implementation. The successful creation of the Doc Morris Health Platform POC in React and Next.js demonstrated the potential for enhancing their platform with modern technologies. The POC served as a valuable tool for the Doc Morris team to evaluate the feasibility of the proposed migration and make informed decisions about the future direction of their health platform. Show less

    • Germany
    • Software Development
    • Frontend Engineer
      • Jan 2019 - Jun 2020

      Working on the development of a mobility-on-demand app (like Uber) with React Native, which makes uses of algorithm-controlled ride pooling and also with the goal of fully autonomous driving capabilities. Other projects I am currently involved in, includes a new type of car-sharing alternative that enables short term rentals for city quarters and apartment buildings, that is available to tenants and landlords and serves as individual requirements for long and short distances. I also worked on the development of an in-house fleet management application in Vue.js. Show less

    • Sierra Leone
    • IT Services and IT Consulting
    • 1 - 100 Employee
    • General Manager
      • Mar 2012 - May 2017

      Dynamic leader of software development teams offering 4 years of experience managing budgets, mission-critical projects. Skilled in all phases of the software development life-cycle; expert in translating business requirements into technical solutions; and fanatical about quality, usability, security, and scalability. Provided oversight of software project management, leading the research, design, development, testing, and roll-out of applications. Responsible for managing and deploying a state of the art GPS tracking system used by the company for tracking and managing vehicles for various clients remotely. Duties: • Managing and deploying a state of the art GPS tracking system used by the company for tracking and managing vehicles for various clients remotely. Managing the Information Technology Department & all other departments. • Suggesting improvements to the usage of applications and their design. • Enhancing existing systems. • Developing and testing software solutions. Show less

  • HD Studios
    • Sierra Leone
    • Software Engineer
      • Sep 2009 - Feb 2012

      Working with different programmers in providing support to IT business systems. Responsible for ensuring software reliability, development of custom software and mobile applications, efficiency, safety, and maintainability. Developing websites using various technologies like HTML5, PHP, MySQL and sometimes using CMS like WordPress. Duties: • Modified existing software to correct errors, adapt to new hardware, and improve performance. • Developed websites and web applications using various programming languages and CMS. • Worked closely with clients to establish problem specifications and system designs. • Wrote java android applications using Eclipse & Android Studio. • Designed and developed web applications. • Debugged and modified software components. • Developed code fixes and enhancements for inclusion in future code releases and patches. Show less

Education

  • University of Sierra Leone, Fourah Bay College
    Bachelor of Arts - BA, Mass Communications

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