Portrait of DeVanté Johnson-Rose

DeVanté Johnson-Rose

Full Stack Developer

Essex, UK

Applications Support Engineer and Full-Stack Developer with enterprise infrastructure experience across finance, education, and global technology. Specialises in automation, deployment workflows, integrations, and scalable software delivery, pairing hands-on systems engineering with full-stack development and AI-assisted tooling.

Email
devante@johnson-rose.co.uk
Write an email
Phone
07429 490 333
LinkedIn
linkedin.com/in/devanté-johnson-rose-b5303a47 (opens in a new tab)

At a glance

Featured projects

Experience

  1. Applications Support Engineer

    Killik & Co, Ipswich

    Apr 2025 - Present

    • Maintain and enhance business-critical applications with a strong focus on automation and knowledge sharing.
    • Build AI-assisted internal tooling and PowerShell automation scripts that streamline repeat processes and generate reports.
    • Query and update SQL databases via MSSMS for production data work and reporting.
  2. Freelance Full-Stack Developer

    Coded Vision Design, Remote

    2013 - Present

    • 100+ freelance projects delivered with consistent 5-star feedback across SMEs and startups.
    • Engagements span CMS platforms, e-commerce, AI-powered chatbots, and deployment & auth consulting.
    • Self-hosts containerised stacks on VPS with Docker, Traefik reverse-proxy, Grafana, Ofelia and OpenClaw.
    • Adjacent creative services: CAA A2 CofC drone videography, drone-photogrammetry 3D modelling, indoor 360° virtual tours, social-media ad editing, and content writing.
    • Mainly UK-based clients; engagements across the US, UAE, Saudi Arabia, Australia, and South Africa.
  3. Desktop Developer / 3rd Line Engineer

    UEA (University of East Anglia), Norwich

    Nov 2021 - Apr 2025

    • Transformed UEA's desktop infrastructure across 8,000+ devices, achieving 60% faster deployments through SCCM and JAMF automation.
    • PowerShell automation eliminated 20+ weekly manual hours while maintaining 99.9% system availability.
    • Led Windows 11 migration for 2,000+ users and spearheaded remote-learning infrastructure for 15,000+ students.
  4. Systems Engineer II

    Skyscanner, Global

    Mar 2020 - Nov 2021

    • Led global deployment of AI heat-sensing CCTV across 10+ international offices during COVID-19.
    • Managed £500K infrastructure budget; optimised JAMF/SCCM workflows reducing onboarding setup by 65%.
    • MacBook provisioning compressed from 4 hours to 45 minutes.
    • Provided in-house support via the techbar.
  5. Desk Side Engineer

    Shawbrook Bank, Essex

    Mar 2017 - Mar 2020

    • End-to-end IT support for 900+ users across multiple sites; SCCM imaging, patching, RSA deployment.
    • PowerShell scripting and process improvements; trained incoming desk-side engineers reducing onboarding time.

Earlier roles

  1. 2nd Line Engineer

    FRP Advisory

    Aug 2016 - Feb 2017

    Remote and desk-side support across the UK for companies in liquidation. P2V migrations and on-site infrastructure moves; assisted in extracting and sorting 200TB of data from BHS. Specialised in digital forensics and ethical hacking.

  2. Senior Network Engineer

    Alexander Knight Business Solutions

    Jul 2015 - Aug 2016

    Quickly promoted; ran multiple IT departments for an MSP, reporting directly to the CEO. Balanced business needs against IT capability across the client portfolio.

  3. IT Support / 2nd Line Field

    Ontraq IT

    Nov 2014 - Jul 2015

    On-site and telephone assistance for British Transport Police, Gepp & Sons, private legal & financial firms, and sole traders.

  4. Service Desk / 2nd Line

    Pensar IT

    Jun 2014 - Nov 2014

    Service-desk and 2nd-line support across an MSP client base.

  5. IT Support, 1st Line

    Databarracks

    Jun 2013 - Jun 2014

    1st-line support for a UK disaster-recovery and backup specialist.

  6. IT Systems Administrator

    Blueprint Collections

    Sep 2011 - Jun 2013

    Systems administration across the business - first professional role.

Skills

Languages and frameworks
  • HTML
  • CSS
  • JavaScript
  • React
  • Next.js
  • React Native
  • Vue
  • Flutter
  • TailwindCSS
  • Three.js
  • PHP
  • Laravel
  • Node.js
Data and infrastructure
  • MySQL
  • PostgreSQL
  • MariaDB
  • MS SQL Server
  • Active Directory
  • GPO
  • DNS
  • DHCP
  • SCCM
  • JAMF
  • VPS
  • Docker
  • Traefik
  • Grafana
  • Ofelia
  • OpenClaw
Automation and delivery
  • PowerShell
  • Bash
  • Git
  • Postman
  • MSSMS
  • Terminal
  • Project Management
  • JIRA
  • Trello
  • Microsoft Project
AI and APIs
  • OpenAI
  • Anthropic
  • Gemini
  • Google APIs
  • RAG pipelines
  • Stripe
  • PayPal
  • TinyMCE

Education

Certificates