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Requisitos Indispensables Sólida experiencia en desarrollo backend con C# y .NET Framework 4.6.2 Experiencia con Entity Framework 6 (EF6) Dominio de MS SQL Server / T-SQL Experiencia en procesamiento de JSON ([login to view URL], validación basada en esquemas) Experiencia con WCF/ServiceModel y REST/Web API en entornos Windows Experiencia en desarrollo y arquitectura de Windows Services Conocimiento de log4net y prácticas de logging consistentes Documentación de código clara y mantenible Experiencia trabajando con grandes volúmenes de datos y procesamiento por lotes Conocimientos de programación concurrente / thread-safe Comprensión básica de transformación de datos (conceptos ETL, mapeo, reestructuración) Experiencia con pruebas unitarias (NUnit) Manejo de Git/GitHub para control de versiones y colaboración Requisitos Deseables Experiencia con altos volúmenes de datos (más de 40K entradas, indexado en disco) Comprensión de validación de esquemas (allOf/anyOf/not) Familiaridad con patrones de reintentos y timeouts Conocimiento en manejo de datos multilingües (ej. es_ES, UTF-8) Experiencia en arquitecturas con plugins y/o sistemas de e-commerce Experiencia con AWS y opcionalmente con la Amazon SP-API Conocimientos básicos de encriptación de datos Duración del Proyecto: indefinida Desarrollo Trabajo: Remoto Dedicación Exclusiva mínimo 8 horas/d Idioma Preferible Español, sin traducciones o ingles Disponibilidad: Horario Europa +/- 2-3horas
ID del proyecto: 39826808
35 propuestas
Proyecto remoto
Activo hace 2 meses
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35 freelancers están ofertando un promedio de €2.390 EUR por este trabajo

I am C# .NET Framework expert and have extensive experience in backend development with C# and .NET Framework 4.6.2. I am well-versed in Entity Framework 6, MS SQL Server, and T-SQL. Additionally, I have expertise in JSON processing, WCF/ServiceModel, and REST/Web API in Windows environments. I can ensure clear and maintainable code documentation and have worked with large volumes of data and batch processing. I am proficient in concurrent programming and thread-safe practices, and I have experience with unit testing using NUnit. I am well-versed in Git/GitHub for version control and collaboration.
€3.000 EUR en 20 días
6,3
6,3

⭐⭐⭐⭐⭐ Efficient Backend Development with C# and .NET Framework ❇️ Hi My Friend, I hope you're doing well. I just checked your project requirements and see you are looking for a backend developer with C# and .NET skills. Look no further; Zohaib is here to help you! My team has successfully completed 50+ similar projects in backend development. I will ensure clear documentation, efficient data processing, and high-quality code for your project. ➡️ Why Me? I can easily do your backend development with C# and .NET as I have 5 years of experience in backend development, Entity Framework, and MS SQL Server. My expertise includes JSON processing, WCF, and REST APIs. Additionally, I have a strong grip on data transformation and unit testing, ensuring a comprehensive approach to your project. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. Looking forward to discussing this with you in chat. ➡️ Skills & Experience: ✅ C# Development ✅ .NET Framework 4.6.2 ✅ Entity Framework 6 ✅ MS SQL Server / T-SQL ✅ JSON Processing ✅ WCF/ServiceModel ✅ REST/Web API ✅ Windows Services ✅ log4net ✅ Unit Testing (NUnit) ✅ Git/GitHub ✅ Data Transformation Waiting for your response! Best Regards, Zohaib
€1.800 EUR en 2 días
5,9
5,9

I’m excited to apply for your project and bring my expertise in .NET and backend development to help you build secure, scalable, and high-performing applications. With [X years] of professional experience, I specialize in designing, developing, and maintaining backend systems that drive business success. My Expertise Includes: ✅ .NET Development Building robust applications using ASP.NET Core MVC, Web API, and WebForms. Implementing RESTful APIs and integrating with third-party services. Developing reusable libraries and middleware for modular systems. ✅ Backend Architecture & Database SQL Server, MySQL, and PostgreSQL – query optimization, stored procedures, and indexing. Entity Framework & Dapper for efficient ORM solutions. Designing scalable database schemas and implementing caching strategies. ✅ Cloud & Integrations Deployment and integration with Azure and AWS services. Authentication/Authorization (JWT, OAuth, Identity Server). Payment gateways, email services, and external API integrations. ✅ Best Practices & Performance Clean code architecture (Onion/Clean Architecture, Repository & Unit of Work patterns). Exception handling, logging (Serilog, NLog), and monitoring. CI/CD pipelines for smooth deployment.
€2.250 EUR en 7 días
6,0
6,0

Hola, Me encantaría tener la oportunidad de conectar y hablar sobre tu proyecto en detalle. No dudes en contactarme por chat cuando quieras. Soy desarrollador full-stack con amplia experiencia en la creación de aplicaciones web y de escritorio. Confío en que puedo gestionar y entregar tu proyecto de forma eficiente y puntual. Mi experiencia técnica incluye: MERN/MEAN Stack: Amplia experiencia práctica y en liderazgo de equipos, lo que garantiza una integración fluida entre el front-end y el back-end. .NET Core y Angular: Implementé diversas visualizaciones de datos con D3.js, integré API complejas y desarrollé aplicaciones dinámicas y responsivas. Azure Logic Apps y SharePoint: Creé múltiples soluciones de automatización de flujos de trabajo; también estoy familiarizado con el desarrollo en PowerApps. Desarrollo de Salesforce: Desarrollé activadores de Apex para interactuar con MSSQL mediante API .NET personalizadas. Creé páginas de Visualforce para obtener y mostrar datos de API externas. Realicé operaciones CRUD en objetos de Salesforce, tanto estándar como personalizados. Realicé I+D en flujos de Salesforce para automatización (con algunas limitaciones de objetos personalizados). Aporto una mentalidad de desarrollo de ciclo de vida completo y disfruto resolviendo desafíos empresariales reales mediante código. ¡Espero tener noticias suyas! ¡Gracias!
€3.000 EUR en 15 días
5,0
5,0

As an experienced professional with over a decade in software development and mobile app solutions, I am confident that I can provide you top-tier service for your Backend C# .NET project. I specialize in providing efficient, scalable and secure solutions to businesses similar to yours that process high volumes of data and require optimal performance. Proficient with C# and .NET Framework 4.6.2, I have a deep understanding of Entity Framework 6, MS SQL Server, JSON processing, WCF/ServiceModel and REST/WebAPI - all the essential technologies you mentioned. My experience in working with grandes volúmenes de datos and batch processing ensures the efficiency your project requires. Lastly, I won't just be an asset for your current project but also for any future plans you may have regarding plugins, e-commerce systems or Amazon SP-API as I'm well-versed in these areas too. With me on your team, you can count on the availability of timely version control through Git/GitHub as well as proficient collaboration. Let's create amazing things together!
€2.750 EUR en 7 días
3,7
3,7

Hello, Hello, I'm Jeremy, and I would love to be considered for your C# .NET backend project. My expertise lies in building human-first digital experiences that not only function efficiently but also captivate the audience. Over the years, I have honed my skills in all the areas mentioned, from working with REST APIs and Window Services to processing large volumes of data efficiently through careful threading and data transformation. What sets me apart is my dedication to creating experiences that establish a deep connection with users. I have a keen eye for detail and believe in design that guides naturally. This aligns perfectly with your project requirements on clean code documentation and practices that ensure maintainability - an attribute I strongly uphold. In addition to my core skills, even some of your preferred but not mandated needs such as multilingual data handling, plugin-based architectures, encryption; I possess enough knowledge to fruitfully contribute. Given the indefinite duration of the project, my commitment remains intact having maintained high quality consistent work throughout my career on full-time basis (min 8 hours/day). Let's shape a site that not only excels technically but also feels alive and leaves a mark - one where you can breathe your vision and purpose. Don't settle for just a website; let's create an experience together! Reach out now and let's get started on building something unforgettable for your brand! Thanks!
€2.500 EUR en 1 día
0,0
0,0

Spain
Miembro desde mar 17, 2021
€1500-3000 EUR
$250-750 USD
₹12500-37500 INR
₹100-400 INR /hora
₹1500-12500 INR
$2-8 USD /hora
$30-250 USD
$250-750 USD
₹37500-75000 INR
$10-30 USD
₹1500-12500 INR
€250-750 EUR
₹600-1500 INR
$250-750 USD
₹600-1200 INR
₹600-1500 INR
$2-8 USD /hora
$250-750 USD
₹37500-75000 INR
₹12500-37500 INR
$250-750 USD