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Mesut DemiryUrekMD
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Mesut DemiryUrek

@mesutdemiryrek

I build accessible, high-performance web and mobile products from frontend interfaces to backend APIs.

United Kingdom
Message

I've delivered contract software for enterprise clients through Needmug Digital, owning products from initial requirements through production.

On the Barclays Germany project, I built accessible Angular and TypeScript banking interfaces used by millions of customers. I improved releases through staged rollouts, user feedback, A/B testing, production monitoring, and careful performance fixes.

I build reusable React component libraries and design systems that reduced repeated work and made delivery about 30% faster. I also review code, support junior developers, and set practical standards for accessible UI and testing.

I've launched full-stack AI products including ClotheMeFor, an outfit-suggestion mobile app, and Stoca.ai, a stock-market analysis platform with real-time data and Stripe subscriptions. I work across React, React Native, Node.js, databases, APIs, LLM integrations, and production monitoring.

Experience

Work history, roles, and key accomplishments

ND
Current

Senior Full Stack Developer

Needmug Digital

Jun 2019 - Present (7 years 3 months)

- Delivered contract software for enterprise clients, from the first requirements to production.
- Built reusable React component libraries and design systems.
- Reviewed code, including code written by AI tools, and set the standards other developers followed.
- Built Node.js REST APIs, so I could own features from the database to the screen.
- Set up AI-assisted development for my own products

BP

Senior Frontend Developer

Barclays Germany Project

Jan 2021 - May 2025 (4 years 4 months)

- Built accessible (WCAG) banking interfaces with Angular and TypeScript for a platform used by millions of customers.
- Found and fixed bugs and performance problems in live and test environments, using Application Insights to see what real users did before an error.
- Used Azure DevOps every day for source control, task and bug tracking, and releases.

VeriPark Software logoVS

Frontend Developer

Mar 2018 - May 2019 (1 year 2 months)

- Built and supported online banking screens, with reusable components in AngularJS and TypeScript.
- Collaborated with developer teams and stakeholders in an Agile environment.
- Worked on hybrid mobile applications to ensure all UI screens were fit for mobile and tablet views on iOS and Android.

IS

Software Developer

Innova IT Solutions

Aug 2015 - Sep 2017 (2 years 1 month)

- Built Dynamics CRM plugins and features with C# and .NET, plus web services and integrations that automated business processes.

BS

Software Developer

Bilgi Birikim Sistemleri

Jun 2014 - Jun 2015 (1 year)

Wrote C# applications to clean and move more than 1 million CRM records and built 10+ web services with unit tests.

Wanda Digital logoWD

Frontend Developer

Dec 2012 - May 2014 (1 year 5 months)

- Built 30+ client websites and landing pages with HTML, CSS, and JavaScript.

Education

Degrees, certifications, and relevant coursework

Kirikkale University logoKU

Kirikkale University

Associate Degree, Computer Programming

Associate Degree in Computer Programming from Kirikkale University, completed in June 2014.

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