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Barry GrayBG
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Barry Gray

@barrygray

I build scalable full-stack systems for logistics, fintech, and enterprise platforms.

Zambia
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I've built production-grade logistics, POS, finance, and HR platforms for Tangent Solution, supporting remote teams across Africa and Europe. My work spans trip management, invoicing, proof-of-delivery, load billing, transporter payments, loan servicing, and staff allocation workflows.

For Tangent Solution's logistics system, I built responsive Vue interfaces and Django REST APIs, with TanStack Query for server-state management, cache invalidation, and optimistic updates. I also helped deliver a desktop and mobile POS system and introduced CI/CD pipelines to automate testing and deployment.

Previously at COLONYHQ, I built backend and frontend components for real-time audience engagement and digital campaign platforms. Using Django, Python, Elixir, Vue.js, Redis, Celery, AWS, and Docker Swarm, I helped teams aggregate social interactions, measure engagement, and run multi-channel campaigns.

I began at Flowify IT maintaining CRM systems with C# ASP.NET MVC and Angular, while also developing Android applications. I bring 8+ years of full-stack experience across distributed systems, financial workflows, analytics, and enterprise software.

Experience

Work history, roles, and key accomplishments

CL

Intermediate Full Stack Software Engineer

COLONYHQ (Pty) Ltd

Oct 2017 - Apr 2021 (3 years 6 months)

Developed an audience engagement platform aggregating DJ-listener interactions into a real-time dashboard. Built features for audience analytics and campaign management using Django, Python, Elixir, and Vue.js.

FL

Junior Software Engineer

Flowify IT (Pty) Ltd

Jul 2016 - Dec 2017 (1 year 5 months)

Maintained and enhanced a CRM system using C# ASP.NET MVC and Angular, delivering UI improvements and backend logic changes. Developed Android frontend applications and occasionally delivered websites and graphic design assets.

Education

Degrees, certifications, and relevant coursework

Monash University logoMU

Monash University

Bachelor of Science, Computer Science

2013 - 2017

This degree provided a full understanding of the software development life cycle and the processes followed at each stage. It emphasised an agile approach to software development and offered a broad understanding of software architecture.

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