John John

Bis 2024, Full Stack Software Engineer, Improvewell
London, United Kingdom

Skills

React.js
Laravel
PHP
Ansible
Docker
AWS
MySQL
Vue.js
PostgreSQL
Node.js
Python
Nest.js
JavaScript
Kubernetes
Nuxt.js
Git
CI/CD
Html
css
Material UI
React Native
Lumen
Typescript
MongoDb
React

Timeline

Professional experience for John John

  • 3 years and 11 months, Aug 2021 - Jun 2025

    Full Stack Software Engineer

    Printiki

    - Upgraded frontend from Vue 2 to Vue 3, improving performance and enabling modern feature adoption. - Refactored legacy code to align with modern JavaScript standards, reducing technical debt and improving maintainability. - Redesigned photobook creation interface, enhancing user experience and increasing engagement. - Developed a robust in-house dashboard, boosting productivity by 30%. - Implemented testing environments (Unit, Integration, E2E), decreasing production bugs by 50%.

  • 7 months, Sep 2023 - Mar 2024

    Full Stack Software Engineer

    Improvewell

    - Led major framework upgrade (Laravel 5 → Laravel 9), reducing development time by ~25%. - Implemented Multi-factor Authentication, significantly enhancing user security. - Improved API performance by 35% through indexing and query optimization. - Collaborated closely with product teams to deliver a major application upgrade on schedule.

  • 1 year, Jun 2021 - May 2022

    Software Engineer

    RiftQ

    - Scaled user base infrastructure to reliably support growth from thousands to 70,000+ active users. - Implemented user management features including user ban functionality and detailed logging

  • 5 months, Jan 2021 - May 2021

    Full Stack Developer

    Heimdall Technologies

    - Consulted with engineering team members to determine system loads and develop improvement plans. - Contributed ideas and suggestions in team meetings and delivered updates on deadlines, designs and enhancements. - Reviewed code, debugged problems and corrected issues. - Managed development milestones from initial steps through final delivery.

  • 2 years and 1 month, Jan 2019 - Jan 2021

    Software Engineer

    Innovation Growth Hub

    - Worked on government contract like pension management system. - Built an attendance management system - Served as a mentor for the yearly Fellowship cohort.

Educational background for John John

  • 2015 - 2020

    Computer Engineering

    Obafemi Awolowo University

Languages

  • English

    C1 (Fluent)

XING – The jobs network

  • Over 1 million jobs

    Find just the right job for you on XING.

  • Job offers just for you

    Get found by employers and over 20,000 recruiters.

  • 21 million members

    Connect with new people and gather inspiration to boost your working life.

  • Free membership

    Basic membership is free, but the opportunities are priceless.

Browse over 21 million XING members