Fullstack Developer

Developed a multi-tenant cloud practice-management platform for UK private medical practices.

• Designed and built the complete invoicing system, including invoice lifecycle, service lines, payments, statements, referrals, diagnoses, corrections, write-offs, VAT, printing and e-billing.
• Developed the complete email ecosystem, including MxMail API/Core/UI, encrypted email access, SMTP accounts, templates, address books, attachments, queued delivery, bulk email and mailshots.
• Created a reusable C# reporting engine and migrated 68 financial, clinical, patient and operational reports, supporting permissions, anonymisation, drill-downs, printing and Excel exports.
• Built document-management and WebDAV workflows for Word editing, templates, Azure Blob uploads, bulk document import, PDF generation, printing and downloads.
• Developed the multi-tenant Admin application for managing accounts, practices, users, permissions, feature configuration, impersonation, auditing and system logs.
• Delivered Azure Functions import processes and improved patient, communications, recalls, MXTask and maintenance workflows, including extensive legacy parity and mobile/iOS reliability work.

Backend Developer

Worked as backend developer on the rewrite of TOD MENA, beIN Media Group's OTT sports and entertainment platform for the MENA region. Part of the Service Delivery Platform (SDP) team, providing APIs and data to the Middleware layer.

• Helped rewrite SDP backend services so Middleware and client apps could consume a consistent API layer for content, membership, and playback.
• Migrated the content management system onto the new platform, keeping catalogues, metadata, and publishing flows available during the cutover.
• Developed membership management services covering accounts, entitlements, and subscription access for the streaming platform.
• Built play services used by Middleware for playback sessions, stream orchestration, and related viewing workflows.
• Designed fraud and multi-play controls on Redis to limit concurrent streams and abuse, supporting more than 500,000 online users at the same time.
• Exposed SDP capabilities through ASP.NET APIs and GraphQL, using Oracle and MySQL as system-of-record stores alongside Redis for hot session and fraud state.

Technologies: C#, ASP.NET API, GraphQL, Oracle, MySQL, Redis.

International Contractor

• Developed and maintained two systems for trading bots of cryptocurrency for an Austrian company.
• For a Swedish company, developed a booking system from scratch that consist of database, microservice backend, RabbitMQ and Angular frontend.
• Worked as CTO for a German company.
• Developed some modules of a survey project for a Danish company.
• Developed agent and orchestrator applications with end-to-end Generative AI solutions (backend, API, integration). Integrated ChatGPT and Gemini APIs, prompt engineering, skill development with and without MCP, tokenizer handling, production-ready agent and orchestrator designs. Designed and programmed IntentEngine for intent recognition and processing.

Technologies: C#, .Net Framework, .Net Core, Angular, TypeScript, Asp.Net, RestApi, JavaScript, jQuery, Redis, RabbitMQ, Stompjs, Ms Sql Server, Entity Framework, Dapper, Postgres, MongoDb, Css, Bootstrap, GitHub, Svn, Jenkins, Jira, Postman, Swagger, Stripe, NSwag, ChatGPT API, Gemini API, MCP, gRPC.

Lead Software Developer

• Designed, developed, and implemented the subscription management software for the company, which created invoices for indexes read from devices.
• Led a team of developers in developing and maintaining software products and applications.
• Participated in the entire software development life cycle from requirements gathering, design, development, testing, and deployment.
• Worked with the team to identify and resolve any technical issues and ensured the timely delivery of software solutions.
• Conducted code reviews and ensured compliance with coding standards.
• Trained and mentored junior developers on software development best practices and emerging technologies.

Technologies: C#, .Net Framework, .Net Core, Angular, TypeScript, Asp.Net, RestApi, JavaScript, jQuery, Redis, RabbitMQ, Stompjs, Ms Sql Server, Entity Framework, Dapper, ModBus, CanBus, IoT, Postgres, Css, Bootstrap, GitHub, Svn, Jenkins, Jira, Postman, Swagger.

Founder

Started my second start-up that is an accounting, sales and order system. System can be used both for individual and commercial purposes. Users can create and send invoices each other. So shop owners can make retail sales and receive orders while end users order products or foods.

Technologies: C#, Angular, TypeScript, Ms Sql Server, Dapper, Web Socket, RestApi, Css, Bootstrap, Xamarin, Postman, TFS, Git.

Senior Software Developer

• Developed web app 'Isetia', which is currently used by many companies (like Oman Gas, Dubai Metro) worldwide.
• Led the development team and managed project timelines and tasks Participating in the design and architecture of the Isetia web app
• Developing and implementing new features and functionalities for the app using various technologies.
• Testing and debugging code to ensure high-quality software delivery.
• Collaborating with clients to gather requirements and provide progress updates.
• Providing technical expertise and support to clients as needed.
• Maintaining and improving the performance of the Isetia web app over time.

Technologies: C#, Asp.Net, Angular, TypeScript, Ms Sql Server, Entity Framework, Web Socket, JavaScript, JQuery, RestApi, Css, Bootstrap, TFS, Git, Jenkins.

Senior Software Developer

• Developed and maintained desktop applications and services that communicated with various devices via TCP sockets, RS-232, and USB, such as fingerprint readers, banknote readers, coin acceptors, Mifare readers, and credit card embossing machines.
• Developed ASP.NET web applications that enabled online payment and worked with many Turkish banks for virtual POS.
• Designed, developed, and deployed web-based applications that use various technologies, including AngularJS, ReactJS, Node.js, and ASP.NET.
• Worked closely with product managers and clients to understand their requirements and provided technical solutions accordingly.
• Mentored junior developers and conducted code reviews to ensure code quality and consistency.

Technologies: C#, Asp.Net, JavaScript, JQuery, Css, Bootstrap, Ms Sql Server, DevExpress, Tcp Socket, Usb Hid, RS-232, TFS, SVN, Soap, RestApi, WCF, Entity Framework, Wpf, SqLite, IoT.

Senior Software Developer

• Developed a pharmacy desktop app to solve the needs of a pharmacy shop, including accounting and retail modules.
• Analyzing user requirements and designing software solutions to meet those requirements Developing software applications using programming languages and frameworks such as .NET, C#, and SQL.
• Collaborating with team members to ensure software projects are completed on time and within budget
• Conducting code reviews to ensure code quality and adherence to coding standards
• Testing and debugging software applications to identify and resolve issues
• Providing technical support and assistance to end-users to resolve software-related issues
• Creating and maintaining software documentation to ensure clear communication of software features and functionality.

Technologies: C#, Ms Sql Server, DevExpress, RS-232, TFS, Soap, RestApi.

Company Owner

• Founded Mavi Elmas Software at Erciyes University Technopark as a software development company that provides desktop applications for retail shops and automotive services.
• Developed a desktop application for retail shops, including inventory management, sales management, and accounting modules.
• Developed a desktop application for automotive services, including service management, customer management, and inventory management modules.
• Responsible for managing business operations and collaborating with clients to gather requirements and deliver high-quality software solutions.

Technologies: C#, Ms Sql Server, DevExpress, RS-232, Ado.Net, Wpf, Tcp Socket.

Software Developer

• Developed software communicating with devices via TCP socket, rs-232, and USB port.
• Developed desktop applications that communicate with various devices using different communication protocols.
• Worked on software projects for multiple clients.
• Collaborated with other developers to design and develop software solutions.
• Debugged and fixed issues in existing software applications.
• Participated in code reviews to ensure the quality of the codebase.

Technologies: C#, Visual Basic, Ms Sql Server, Tcp Socket, LLRP, RS-232, Usb Hid, DevExpress, Wpf, Asp Web Forms.

Computer Technology and Programming