Duplexe Tchoffo, Project Manager in Los Angeles, CA, United States
Duplexe Tchoffo

Project Manager in Los Angeles, CA, United States

Member since February 22, 2021
Duplexe has over 12 years of experience in engineering and management, developing products, and overseeing onsite and offshore teams and ventures. His technological knowledge and soft skills have led him to manage teams in the development of high-quality products and platforms that adhere to approved standards, timelines, and budgets in banking, finance, blockchain, gaming, and marketing, using cloud services and relevant methodologies and architectures.
Duplexe is now available for hire

Project Highlights

  • Launched a service that allowed fulfillment service to manage their orders through a dashboard instead of using their existing FTP solution.
  • As the first hired person, I divided the project into manageable tasks and decided which engineers would be required to meet the deadline and budget. I laid out the entire engineering stack and architecture that we had to adhere to.
  • Managed a team of three back-end developers, two mobile developers, one front-end developer, and two QA engineers. Defined and prioritized user stories and bugs based on stakeholder and user feedback and launched the project within budget and time.

Expertise

Employment

  • Product Owner | Project Manager

    2019 - PRESENT
    CertsCentral
    • Redefined the project from the ground up using the latest knowledge and skills in the blockchain arena. Translated all the defined features into user stories for the engineering team and to keep dependencies in check.
    • Defined the team skillset and hired all the engineers for the UI and back end, a mobile development agency, and a blockchain consultant.
    • Partnered with potential clients and utilized focus groups to explain the product, get them to sign up, or figure out what we need to do for them to sign up.
    • Facilitated daily standups with the teams in different geographical regions and time zones.
    • Followed up with marketing and provided reports of usage and critical paths to increase conversions and maintain users on the platform.
    • Analyzed and selected AWS as the cloud provider and set it up, including CI/CD, CloudWatch alerts, and ECS.
    • Maintained, triaged, and prioritized bugs and issues reported by both internal and external users.
    • Managed a mobile development team that developed an Android and iOS version of the CertsCentral app.
  • Engineering Lead

    2016 - PRESENT
    PlayStation
    • Participated in the design, implementation, testing, and delivery of an integrated system for all PlayStation gaming.
    • Managed a team in Russia that performs automation for our UI system. This includes ensuring they have enough work from our backlog and utilizing the team efficiently for around-the-clock development with the LA team.
    • Presented the accomplishments of the team to upper management as well as capacity planning.
    • Demoed to the team in Russia what was done by the LA team and liaised with the LA development team, explaining the bugs opened by the Russian team.
    • Developed a platform that runs tests on Jenkins every time code is pushed. This allows rapid analysis making sure no issues were added with that code push.
    • Built reporting solutions using AWS to view the usage of services.
    • Used ServiceNow as an entry point for all client and user issues, setting up automated notifications to relevant groups.
    • Followed SaFe methodology with each team in the Agile Release Train, planning PIs every three months.
  • Project Manager

    2009 - 2019
    LetsRealize Ventures
    • Managed a dev team that created over 50 web projects in one year. I achieved this through standardizations and the creation of reusable modules. I also demoed our product every week to get quick feedback.
    • Performed focus group activities to gather information on behalf of most of our clients and their products.
    • Analyzed and documented traffic and conversion data for multiple clients to find what could be the cause from both a business and technical point of view.
    • Found quick resolutions for team issues by constantly engaging with all the members to reduce risks on project completions.
    • Prioritized functionalities based on business value, time to market, and available funds.
    • Managed multiple mobile app development initiatives.
  • Engineering Lead (Project Quality and Project Management)

    2014 - 2016
    GUTHY
    • Contributed to the overall design, assessing the technical impact as well as time efforts.
    • Served as the liaison between the business and developers for both onsite and offshore teams.
    • Gathered daily status from all offshore teams and handled the impediments.
    • Performed testing on all applications prior to launch.
    • Served as the initial point of contact for issues and suggestions for real-time implementations.
    • Designed automation frameworks to help reduce regression issues.
    • Analyzed the in-house marketing management web application to ensure it has the standards required, which goes from being usable to producing the expected results and experience in a timely manner.
    • Designed the system that ran on MuleSoft to run scheduled integration jobs.
    • Collaborated with other engineering leads to build integrated systems.
  • Engineering Lead (Project Quality and Project Management)

    2013 - 2014
    Capgemini
    • Joined as the only onsite member of the consulting team and got all information from onsite colleagues to transfer to colleagues offshore and facilitate the development of the ACH processes.
    • Presented progress to the onsite team and answered or prioritized all questions and suggestions.
    • Performed testing of all systems before handing them over to Bank of America. This reduced the approval time for work done and allowed us to reach an 89% defect-free platform.
    • Set up ServiceNow flows for automating the client's defect analysis.
  • Full-stack Developer

    2010 - 2012
    AFING Group LTD
    • Contributed to the creation of the geo-localization system for regions to be able to map out all business, thereby assuring exact payments are made and the businesses can be appropriately serviced.
    • Developed web platforms for small businesses using customized CMS and building proprietary templates.
    • Designed the back-end systems with on-premise solutions that were deployed on clients' servers.

Project History

  • Automated Fulfillment Service
    Launched a service that allowed fulfillment service to manage their orders through a dashboard instead of using their existing FTP solution.

    A team of developers and business analysts were given this problematic situation at a big fulfillment center. At that point, they were receiving their orders through a manual file system and them conveying them to UPS and DHL through an FTP system.

    At the end of the analysis, we built a cron-managed system on MuleSoft that relied upon an API. The cron job pulled customer orders from the different systems at a defined frequency and sent them automatically to the fulfillment center as well as DHL and UPS through APIs to prepare themselves to fulfill them. Once the orders were packed, DHL and UPS also received notifications to pick them up and sent out notifications when they delivered the packages.

    Though common in 2021, this integrated system wasn't as popular at the time of this project, and maintaining existing business roles wasn't quite easy while making such a major transition.

  • Certificate Management on Blockchain
    As the first hired person, I divided the project into manageable tasks and decided which engineers would be required to meet the deadline and budget. I laid out the entire engineering stack and architecture that we had to adhere to.

    Managed to get two developers for the UI and integration in India, a blockchain consultant in Cameroon, and a mobile development agency in Columbia. I did all the DevOps and project and product management. We succeeded in delivering the project within time and budget.

    This project was challenging as no one on the project but the consultant had experience with blockchain. I quickly used my engineering background to grasp the required architecture and handled communication through APIs. Once we knew the protocols, implementation became rapid following microservice architectural patterns.

    I defined the architectural structure to follow with buy-ins from the blockchain consultant. This was developed using .NET and tested with a Cucumber Selenium framework.

  • Doctor-Patient Relationship Management Solution
    Managed a team of three back-end developers, two mobile developers, one front-end developer, and two QA engineers. Defined and prioritized user stories and bugs based on stakeholder and user feedback and launched the project within budget and time.

    This project was critical as it involved heavy PII data management. I had to work with domain experts to get more knowledgeable of the medical field and its requirements. Based on the knowledge gathered, I was able to break down business requirements better and convey the needs in a technical vocabulary to the development teams.

    We had to pass multiple security testing and work with the team to prioritize and quickly fix the few issues mentioned from a data security and penetration testing perspective. We launched the project on both web and mobile on time and within budget.

Education

  • Master's Degree in Machine Learning
    2017 - 2020
    Georgia Institute of Technology - Atlanta, GA
  • Bachelor's Degree in Computer Science
    2008 - 2012
    Southern Polytechnic States University - Marietta, GA

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