Freelancers using C# in Vienna
Freelancers using C# in Vienna
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Max Hora
max
Dnipro, 49000
Software Architect | From Idea to Production | 140+ Projects
$100k+
Earned
5x
Hired
5.0
Rating
108
Followers
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Software Architect | From Idea to Production | 140+ Projects
0
Making Mobile Chat Feel Instant & Native
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32
2
CrewTraka Mobile App Optimization
2
73
0
Open Source | Fluent Terminal for Windows
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56
1
Maxsip Telecom | CTO working on scalable telecom solution
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50
C#
(4)
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Abdul Razaq Ali
pro
Lahore, Pakistan
Website & Game developer and designer.
$10k+
Earned
5x
Hired
5.0
Rating
11
Followers
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Website & Game developer and designer.
0
F1 vr simulation
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3
0
PerkTap Full Stack Development
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3
2
Protectee Planner is an interactive 2D/3D room planning platform I developed to help users design, customize, and visualize spaces with an intuitive drag-and-drop experience. Built as a cross-platform web solution, it combines real-time 2D layouts with immersive 3D visualization, allowing users to create room designs, arrange furniture, and preview concepts before implementation. 🔹 Key Highlights: ✔️ 2D & 3D Design Engine – Developed a dual-mode planning system allowing users to seamlessly create floor layouts and explore realistic 3D environments. ✔️ Drag-and-Drop Furniture Editor – Built an interactive customization system for placing, moving, and managing furniture elements within rooms. ✔️ Real-Time Visualization – Enabled instant design previews with synchronized changes between 2D plans and 3D scenes. ✔️ Responsive Web Experience – Created a cross-device compatible application accessible across desktop, tablet, and mobile platforms. ✔️ Interactive Room Customization – Implemented tools for users to design spaces with flexibility and control without technical expertise. ✔️ Scalable 3D Architecture – Developed the foundation for expanding furniture libraries, assets, and advanced planning features. 🌟 Impact: Protectee Planner simplifies interior planning by combining professional-level visualization with an easy to use interface. The platform empowers users to experiment with layouts, visualize ideas in 3D, and make confident design decisions through an accessible digital planning experience.
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Legitly AI is an AI-powered luxury authentication platform I developed to help users verify the authenticity of high value products including watches, sneakers, and designer items. The platform combines AI image analysis, intuitive mobile workflows, and smart verification systems to simplify counterfeit detection and provide users with confidence before making purchases. 🔹 Key Highlights: ✔️ AI Authentication Engine – Built an intelligent verification workflow that analyzes product images and identifies authenticity indicators. ✔️ Luxury Product Recognition – Designed support for multiple categories including watches, sneakers, and fashion accessories. ✔️ Smart Scanning System – Developed a guided image capture experience to collect the necessary product details for AI analysis. ✔️ Verification Dashboard – Created a clean interface for viewing scan results, history, and authentication outcomes. ✔️ Subscription & Usage Management – Integrated user plans, scan limits, and premium access features. ✔️ Modern Mobile UX – Designed a seamless dark-themed experience focused on simplicity, trust, and ease of use. 🌟 Impact: Legitly AI transforms luxury authentication by making counterfeit detection faster, more accessible, and technology-driven. By combining AI capabilities with a user-friendly mobile experience, the platform helps buyers, collectors, and resellers make safer purchasing decisions in the growing luxury marketplace.
0
504
C#
(1)
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Will Sanders
pro
Denver, USA
.NET Developer | Sitecore, Kentico & Umbraco Expert
2x
Hired
5.0
Rating
9
Followers
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.NET Developer | Sitecore, Kentico & Umbraco Expert
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Blytheco - Umbraco Full Site Build
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34
0
Pinnacle Propane - Sitecore Content and Development
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24
0
PRG - Full Sitecore Build
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27
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C#
(3)
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Ryan Hughes
Copenhagen, Denmark
AI & Software Expert for Advanced Industry Solutions
$1k+
Earned
1x
Hired
5.0
Rating
35
Followers
expert
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AI & Software Expert for Advanced Industry Solutions
2
RhinoGPT - A GPT Specialized For Rhino Software Development
2
119
1
Synchronous Evolutionary Optimization Solver For Rhino Compute
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76
0
Integrated Design For Manufacturing & AR-Aided Assembly
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181
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We’ve been getting a surge of urgent requests for Agentic AI consulting — and it’s exciting to see how fast the field is moving. Graph Technologies develops systems that combine reasoning, automation, and adaptability across real-world contexts — from games to financial trading platforms. We deliver high-performance, low-latency systems, focusing on keeping models fast, accurate, and cost-efficient — not just clever in theory. We’re preparing a set of whitepapers that share insights, benchmarks, and case studies from our recent projects — stay tuned on graphtechnologies.xyz (http://graphtechnologies.xyz) for their release. If you’re exploring agentic AI, automation, or intelligent integrations, feel free to reach out via Contra or at ryan@graphtechnologies.xyz (mailto:ryan@graphtechnologies.xyz) to collaborate or exchange ideas.
19
626
C#
(3)
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Daniel Mazhara
Dnipro, 49000
Web SaaS Development UX/UI Design Game Design Development
20
Followers
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Web SaaS Development UX/UI Design Game Design Development
7
Really proud of how this project is turning out. Mobile gaming deserves a higher standard, and this is exactly the direction we want to push it toward. Dark atmosphere, cinematic visuals, optimized performance, and a smooth experience across most modern smartphones without sacrificing quality. We spent a lot of time balancing visuals and optimization so the game feels immersive even on mobile hardware. This is the kind of mobile experience we want to see more often in the industry.
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434
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LIMSCAPE: The Liminal Space Explorer
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2
16
2
Pocket Battles: NFT War
1
2
9
2
Drift Runner: Racing Masters Game Development
1
2
15
C#
(20)
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Harshit Bhandari
Udaipur, India
Game Developer | Prototyping, Mobile, AI & Multiplayer
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Game Developer | Prototyping, Mobile, AI & Multiplayer
0
Balance Master - Monogame based arcade game
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17
1
Evolution lab touch based arcade game
1
10
1
Creature Lab Arcade Game Development
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17
0
Quiz Clash arcade game with Unity
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11
C#
(5)
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QUANIT KHATRI
Karachi, Pakistan
.NET Developer building scalable APIs, SaaS & business apps
New to Contra
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.NET Developer building scalable APIs, SaaS & business apps
0
Hotel Management System A complete and user-friendly Hotel Management System designed to streamline daily hotel operations and improve overall efficiency. The system helps manage rooms, guests, reservations, room services, billing, and other essential hotel operations from a centralized platform. Key Features: 🏨 Room & Room Type Management 📅 Reservation & Booking Management 👤 Guest Management 🛎️ Room Service Management 💳 Billing & Payment Management 📊 Reports & Dashboard 🔄 Room Availability & Booking Status ⚙️ Easy-to-use Management Interface The system reduces manual work, keeps hotel operations organized, and provides staff with quick access to important information—making day-to-day hotel management faster, simpler, and more efficient.
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92
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Inventory Management System to help businesses manage stock and operations with ease. The system includes modules for categories, products, stock history, customers, and suppliers, along with purchase and sales orders to keep track of transactions. It also features detailed reports and analytics, plus a chart of accounts and accounting tools to manage finances in one place. A smart assistant is included to answer queries, generate quick reports, and provide useful suggestions. This system brings everything together to save time, improve accuracy, and make day-to-day management simpler.
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109
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Tracking Management System that helps businesses monitor vehicles in real time and streamline job dispatching. The system provides live GPS tracking, route history, and status updates for every vehicle, giving complete visibility of fleet operations. Along with tracking, There is dispatch module where dispatchers can create, allocate, and monitor jobs from start to finish. The platform includes alerts and notifications for events such as Arrived, On Route, and completed jobs, ensuring quick response and smooth coordination.
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104
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The 340B Price Guide will be a simple and reliable tool that helps hospitals, clinics, and pharmacies keep track of drug prices under the 340B program. It’s designed to make it easier for healthcare teams to see the right prices, compare costs, and stay compliant with program rules without spending hours digging through spreadsheets or confusing data.
0
92
C#
(3)
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Zaheeruddin Shaikh
Karachi, Pakistan
Database Design & SQL Development Specialist
New to Contra
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Database Design & SQL Development Specialist
0
Zultec Barcode Solutions — Barcode, PDA & WLAN-Based Business Solutions As Team Leader / Senior Software Engineer at Zultec, I designed and guided the development of mobile and barcode-based solutions connecting handheld PDAs, barcode scanning, WLAN/WiFi connectivity, applications, and enterprise databases. The solutions were developed using C# with Visual Studio 2005, .NET Compact Framework, Windows Mobile 6.0, WindowsCE, and SQL Server Mobile 2005, with integration with SQL Server and Oracle databases where required. I guided developers in implementing mobile applications on handheld devices and PDAs for a range of operational environments, including: • NJ Autos, Pirani Group — WiFi-based real-time transfer of workshop-floor data from handheld PDAs to SQL Server, with barcode scanning of engine and chassis information through quality checking and dispatch. • Yunus Textile Mills (YTM) — Barcode-based verification to prevent incorrect items from being packed and incorrect cartons from being dispatched. • Central Library System, NED University — Barcode generation and circulation for more than 65,000 books and 11,000 members, including issue, return and reservation using Oracle 10g and Oracle Forms/Reports. • Defense Central Library (DCL) — PDA-based physical stock taking to identify lost books, duplicate entries and uncounted inventory, with transfer of collected data to Oracle 10g. • Pakistan State Oil (PSO) — Barcode-based physical inventory of fixed assets to trace mislocated and lost items. • NSD — WiFi-based real-time data exchange through handheld PDAs across warehouses containing more than 300,000 inventory items, including barcode-based issue and return. This work combined mobile application development, barcode technology, PDA-based data capture, WLAN connectivity and database integration to support accurate and traceable operational processes across automotive, textile, education, library, oil & energy, and warehouse environments.
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35
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Zultec ERP — Enterprise Resource Planning System I worked as Team Leader / Senior Software Engineer on the development of the Zultec ERP System from June 2006 to March 2010. My primary contribution was the analysis, design and database development of the Non-Financial Modules of the ERP, including: Procurement Module Inventory Module Sales Module Production Module Services and Maintenance Module User Security Management Module I independently carried out the analysis and design of these modules, developed logical and physical database models, and created the integrated database in SQL Server 2005. I also guided developers in the implementation of the User Interface and system functionality using C# and Visual Studio 2005. A significant part of the work involved Business Process Analysis and Documentation. User requirements were gathered and documented, Business Process Flow Diagrams were developed, and Business Process Reengineering was suggested for important processes. The Non-Financial Modules were integrated with Financial Modules developed by another team, including: Accounts Receivables Module Accounts Payable Module General Ledger Fixed Assets Module Human Resource Module Payroll Module The ERP incorporated processes covering procurement, sales, inventory, production, services and maintenance. It supported activities such as customer quotations, sales orders, purchase orders, Goods Receiving Notes, Delivery Notes, production job orders, raw-material tracking, finished-product tracking, repair and service job orders, and warranty claims. The system also incorporated Standard Item Codes, Bill of Material and Chart of Accounts, providing standardization across the organization. Multi-warehouse and multi-currency functionality was also employed. My Key Contribution Database Design • Business Process Analysis • ERP Integration • UI Guidance • Reporting • Documentation • Technical Leadership Technology: C# • Visual Studio 2005 • SQL Server 2005 • Crystal Reports • Visual SourceSafe 2005 This project represents my experience in designing and integrating an enterprise ERP database around real business processes, while working closely with developers and other technical teams.
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40
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MAJU Outcome-Based Education (OBE) System Designed and developed the database for an Outcome-Based Education system at Mohammad Ali Jinnah University (MAJU), with the frontend subsequently implemented in both PHP and C#/.NET. The system models the relationship between: PEO → PLO → CLO → Assessment It provides detailed assessment of courses by CLO and PLO for individual students and supports the management of outcome-based education across university programmes. Key areas represented Degrees — BS, MS and PhD Programmes Programme Educational Objectives (PEO) Programme Learning Outcomes (PLO) Course Learning Outcomes (CLO) CourseCLOAssessmentStructure CourseCLOAssessment Grade Sheets Transcripts Major programmes included areas such as Computer Science, Software Engineering, Computer Engineering, Data Science, Artificial Intelligence and Business Administration, along with Biotechnology and Bioinformatics-related programmes. Programme availability varies by degree level. Database & Technology Database: MariaDB SQL: SQL User Interfaces: PHP and C#/.NET .NET: .NET Core, C#, Entity Framework Core, ASP.NET (http://ASP.NET) Core Identity Reporting: RDL Reports Supporting Tool: Excel VBA The same MariaDB database was used by both the PHP and .NET user interfaces. The PHP version was developed earlier and was practically used with real data; the .NET Core version was developed later. This project demonstrates database design for a complex academic information system where educational objectives, learning outcomes and student assessment are interconnected through a structured relational database.
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Thesis Evaluation Management Designed and developed a database-backed web application for managing the thesis evaluation process at an academic institution. The system manages student and thesis information including registration number, degree/programme, thesis title, supervisor and co-supervisor. It also manages thesis submission according to prescribed templates and verification requirements, including formatting, plagiarism and other guidelines. Students who qualify proceed to thesis defense before a panel comprising the supervisor and internal and external members. The system maintains the status of the thesis through these stages and supports final publication after successful evaluation and prescribed formatting. My contribution: Database design and application development. Technology: MariaDB, C#, .NET Core, Entity Framework Core, ASP.NET (http://ASP.NET) Core Identity and RDL Reports.
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58
C#
(4)
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