EXPLORE

C# Programming Java PHP Software Architecture SQL
Profile cover photo
User Avatar

Vladimir I.

@vladang

monthly-level-four.svgverified-v2.svgpreferred-freelancer-v3.svg
5.0
362

7.4

7.4

98%

Turning Ideas Into Scalable Digital Products

$40 USD / Hour

Flag of

Serbia (10:06 AM)

Joined on January 31, 2010

17 Recommendations

$40 USD / Hour

I’m a Senior Software Engineer with 10+ years of experience building secure, scalable, and high-performance web, mobile, and AI-powered applications that solve real business problems and drive measurable results. I specialize in end-to-end development — from planning and architecture to deployment, optimization, and long-term support. Whether you need a modern website, SaaS platform, mobile app, AI-powered solution, eCommerce store, custom CMS, API integration, automation workflow, or enterprise application, I deliver reliable, scalable, and future-ready solutions tailored to your goals. My expertise includes: • Frontend: React.js, Next.js, Vue.js, Nuxt.js, Angular, TypeScript, JavaScript, Tailwind CSS, shadcn/ui, responsive UI/UX, performance optimization. • Backend: Node.js (Express, NestJS), Python (Django, Flask, FastAPI), PHP (Laravel), C# (.NET), REST APIs, GraphQL, microservices, authentication, real-time systems. • Mobile: React Native, Flutter, Native Android (Java/Kotlin). • WordPress & CMS: WordPress, WooCommerce, Elementor, Gutenberg, ACF, custom themes/plugins, Sanity, Strapi, Contentful, Payload CMS, Directus, Storyblok, [login to view URL], and headless CMS architectures. • Shopify & eCommerce: Shopify, Shopify Plus, Liquid, Hydrogen/Oxygen, custom apps, WooCommerce, Stripe, PayPal, subscriptions, and conversion-focused stores. • AI & Automation: OpenAI GPT, Claude, LangChain, Llama, RAG, AI chatbots, intelligent workflows, automation, and custom AI solutions. • Cloud & DevOps: PostgreSQL, MySQL, MongoDB, Firebase, Supabase, Docker, CI/CD, AWS, Azure, GCP, Vercel, and scalable cloud infrastructure. I focus on building clean, maintainable, and business-focused solutions with strong communication, reliable delivery, and attention to detail. From startups and MVPs to enterprise systems and long-term product development, I help turn ideas into scalable, high-quality products. If you’re looking for an experienced expert who can handle everything from modern web platforms and mobile apps to AI integrations, WordPress, Shopify, CMS development, and complex custom solutions — let’s build something exceptional.

Verifications

On time

93%

On budget

91%

Accept rate

91%

Repeat hire rate

23%

Portfolio

Portfolio

13725480
13722929
9234527
5102438
4292698
4292683
13725480
13722929
9234527
5102438
4292698
4292683
5.0 · 362 Reviews
362 Reviews
User Avatar
Flag of

Bogdan B.

5.0

$40 USD

6 months ago

Convert Figma Design to React + TailwindCSS Using Atomic Design Principle

I worked with Vladimir on converting a Figma design into React components. The code quality exceeded my expectations and fully met all requirements. Communication was clear, delivery was on time, and attention to detail was excellent. I would gladly work with him again and highly recommend him.

Share

User Avatar
Flag of

Daniel S.

5.0

£70 GBP

1 year ago

C# WinForms Application for Course, Student, and Rubric Management

Vlad did the job on time and covered all requirements! I would definitely use again! He did more than I asked for. ++++

Share

User Avatar
Flag of

Matthias R.

5.0

€100 EUR

2 years ago

PDF to XHTML Conversion for OpenHtmlToPDF (archived)

Vladimir solved the task very fast in a high quality. He also asked exactly the right questions to understand also the big picture. Looking forward for the next project with him.

Share

User Avatar
Flag of

Amir Z.

5.0

$742 CAD

2 years ago

Project for vladang

Vlad is an excellent developer who delivered excellent quality code, on time and to specification. I will definitely work with him again on my next project! Highly recommended.

Share

User Avatar
Flag of

Andrew F.

5.0

$1,000 SGD

2 years ago

React mirror of mobile app

Understood the brief and got work done quickly

Share

Experience

Freelancer

Apr, 2010 - Present

16 years, 1 month

Freelancer

Apr, 2010 - Present

16 years, 1 month

Various freelancer jobs such as Desktop Applications (C, C++, C#, Java), websites (ASP.NET, PHP, Javascript, React, Vue, Angular, Node), Database Administration (MySQL, MSSQL, NoSQL), Android Applications etc.

Apr, 2010 - Present

16 years, 1 month

Professor

Oct, 2001 - Present

24 years, 8 months

Technical school

Oct, 2001 - Present

24 years, 8 months

Working at Technical school. Teaching students programming techniques, algorithm, Visual C++/C#, Java, AutoCad and Pro/Engineer.

Oct, 2001 - Present

24 years, 8 months

Education

Specialisation

2002 - 2006

4 years

Flag of

Serbia

2002 - 2006

4 years

Master

1992 - 1999

7 years

Flag of

Serbia

1992 - 1999

7 years

Qualifications

Information Technology Specialist

2006

University of Kragujevac

Specialist for IT (UML design, PHP, MySQL)

2006

Publications

Modern School Information System in Internet environment

Faculty of Science, Kragujevac

Complete modeling (UML) and programming (PHP and MySQL) of School Information System.

Certifications

Basic Numeracy - Level 1

Basic Numeracy

US English - Level 1

US English

P

Preferred Freelancer Program SLA

Freelancer Orientation

Freelancer Orientation

C Programming - Level 1

C Programming

C# Programming - Level 1

C# Programming

E

Employer Orientation Exam

Java - Level 1

Java

SQL - Level 1

SQL

C++ - Level 1

C++

U

UML

U

UML

C# Programming - Level 2

C# Programming

F

Foundation vWorker Member

Registered Users

Total Jobs Posted

Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)

Copyright © 2026 Freelancer Technology Pty Limited (ACN 142 189 759)