Entity Framework Experts
matched in minutes from over 15,000 CVs with the power of AIHire experts who use Entity Framework to map data models, shape LINQ-based queries, and handle migrations, tracking, and performance tuning in .NET systems. Get fast, precise matching with vetted, available freelancers.
Meet FRATCH Experts who have recently used Entity Framework
Matthias Spiller
Last position:
Software Developer and Consultant at CLADE GmbH
- Analysis of the existing CAN communication between microcontrollers
- Analysis of the sensors used and the measured values collected
- Planning the CAN messages for transmitting the measured values
- Iterative adjustment of the microcontroller code to the new CAN messages
- Cross-compilation from x64 to arm64
Yusuf Congar
Last position:
Senior Software Engineer at LeiKon GmbH
- Development of scalable backend applications with C#/.NET and Java
- Design and implementation of distributed microservice architectures
- Development and integration of REST APIs for industrial applications
- Development of modern web applications with React, Angular, and TypeScript
- Implementation of MQTT-based communication solutions
- Integration of industrial protocols such as OPC UA and Modbus TCP
- Development of batch, process control, and HMI components
- Containerization and deployment of applications with Docker
- Conducting code reviews and supporting architecture decisions
- Close collaboration with product owners, QA, and interdisciplinary teams
- Analysis of business requirements and implementation of technical solutions
- Further development of existing software architectures with a focus on maintainability and performance
Technologies: C#, .NET, ASP.NET Core, Java, C++, React, Angular, TypeScript, Vue.JS, MQTT, OPC UA, Modbus TCP, Docker, GitLab, MariaDB, MySQL, Linux
Oleg Orlov
Last position:
Senior Software Developer / BI Integration Developer Power BI, C# at Telecommunications
Embedded Analytics & AI-assisted BI
Design and development of an integrated analytics solution based on ASP.NET Core, Power BI Embedded, and LLM services to provide context-based business information.
Development of an AI agent with Function/Tool Calling for the secure orchestration of REST APIs, SQL data sources, and technical services within defined business processes.
Building automated BI workflows including workspace management, deployment processes, and scheduled refresh via the Power BI REST API.
Implementation of secure service-to-service communication with Microsoft Entra ID and Service Principal, and integration into existing enterprise system landscapes.
Technologies: ASP.NET Core, C#/.NET, Power BI Embedded, Power BI REST API, LLM API, AI Agents, Function/Tool Calling, Entra ID
Oliver Fries
Last position:
Modernization of a multi-company backend system at Energy utility company
Enhancement and modernization of a mature Aspire backend application in the environment of a utility company, focusing on new business requirements, testing, legacy code cleanup, and stable backend delivery.
Core contributions & results Implemented new business requirements in the context of customer orders, subcontractors, and cross-company backend processes, and ensured consistent workflows in a distributed system landscape. Modernized existing backend components step by step and reduced technical debt through targeted legacy code cleanup, refactoring, and structured code reviews. Improved the testability of business-critical services by expanding automated tests with xUnit, AutoFixture, and clearer validation structures. Supported the further development of workflow automations and integration processes via microservices, messaging, and API-based communication. Took over source code from external firms, systematically checked code quality, and derived technical improvements for maintainability, stability, and integration. Worked in agile development processes with Jira, Confluence, and Azure DevOps and supported cross-team alignment on architecture, quality, and implementation. Technical metrics Technologies & methods C#, .NET, ASP.NET, ASP.NET Core, Aspire, Docker, RabbitMQ, gRPC, REST API, Swagger, Microservices, NServiceBus, AutoMapper, Autofac, xUnit, AutoFixture, FluentValidation, Entity Framework Core, MediatR, Redis, Consul, Serilog, SonarQube, Azure DevOps, Azure Monitor, GitLab, Google Protocol Buffers, IronPDF, Mailjet, Jira, Confluence, Miro, agile development, Scrum, code reviews, refactoring, legacy code cleanup, workflow automation, power grids
Manuel Kübler
Last position:
.NET Developer, SAP Business One Consultant at Own Projects
- DTO class generator: In-house development of a tool for the automatic generation of classes, functions, and methods for use in .NET Core projects based on SAP Business One Service Layer metadata
- E-invoice import add-on: Development of a SAP Business One add-on / coresuite module for the automated import of ZUGFeRD e-invoices as incoming invoices – with configurable mapping to flexibly control the import logic across four mapping types (DIRECT, SQL, FIXED, EXPR). The add-on is available as a licensed product for SAP Business One customers.
Stack: SAP Business One, SAP Business One Service Layer, coresuite Country Package, C#
Giuseppe Abrignani
Last position:
Embedded Software Developer at Inheco
- AI Integration (LLM & RAG): Design and build of an internal intelligent RAG system (Retrieval-Augmented Generation) based on LLMs, n8n, and vector data for the automated analysis of technical documents and error logs.
- Design & Implementation: Design of a robust RS-232/UART communication interface for an SBC-based embedded device to control medical shaker systems.
- Architecture & Protocol Design: Implementation of a highly maintainable software structure (OOP, SOLID) and definition of hardware-close, resilient communication protocols including multithreading and advanced error handling.
- Quality Assurance & DevOps: Test automation using xUnit, integration tests directly on the hardware target, and maintenance of technical documentation according to strict medical technology standards via Azure DevOps.
Label: C#, .NET, LLMs, RAG, n8n, RS-232, UART, Multithreading, async/await, xUnit, gRPC/protobuf, Blazor, MudBlazor, EF Core, Visual Studio 2026, Azure DevOps
Johannes Wanzek
Last position:
Senior Software Engineer at EnBW
The Agent Support Interface is an internally used software that is used by all 1st- and 2nd-level customer advisors and shows information about the customer and their cases in a central and compact form.
The system provides links to other platforms and systems to improve the agent's workflow.
In an agile SCRUM team, all challenges were implemented independently and as a team.
Consulting in the areas of software architecture, DevOps strategies, and agile development processes.
Supporting the team in decision-making and introducing best practices for test automation and code reviews.
Technologies: Microsoft .NET, Microsoft Azure, C#, MVC, CQRS, Akka.Net, Angular 18, NGXS, Typescript, Cypress/Playwright, Wiremock, CI/CD, DevOps.
Frank Eppink
Last position:
DevOps at Lauck-IT
Operations and extensions of Azure DevOps pipelines
Operations and extensions of AWS services
Citrix (Windows 10, Bitwarden)
AWS: ECR, EKS, CloudFront CDN, Route 53, VPC peering and CNI upgrade, Atlas MongoDB, S3 buckets, static website hosting
Azure: build and deploy with DevOps pipelines
Volker Ahlers
Last position:
Senior Frontend Angular Developer at fintus GmbH
- Senior Frontend Angular and Frontend
- Integrating Camunda processes into the frontend
- Development supported by ChatGPT (Codex) and Claude (skills etc.)
Knowledge: Angular, Camunda
Products used: Claude, Codex, ChatGPT, Camunda
Rizwan Bashir
Last position:
Software Developer/Database/Devops at Sutor Bank
Project:
- Migration of existing VB6 applications to C# (Web API, web app)
- Report development and risk management systems (C#, API interfaces, databases)
- Document archive (API interfaces, databases)
Team size: 9 people
- Reports for Risk and Credit Management Development and maintenance of report structures to support risk and credit decisions, including data modeling, validation, and automated delivery for business departments.
- Migration and maintenance of a legacy system to the latest version of .NET for the asset management system Planning and execution of the modernization of an existing asset management system, including code refactoring, performance optimization, test automation, and sustainable maintenance after migration.
- Replacement of the COM-based archive connection with a REST API Redevelopment of the connection of the document archive (HYPARCHIV) to a REST API based on OpenAPI/Swagger, including archiving with index and stamp fields as well as PDF export into the customer portal.
- Redesign of payment receipt processing Replacement of an existing Oracle PL/SQL process with a new implementation in C# based on a business concept, including business alignment, data modeling, and test coverage.
- Design and implementation of tests, creation of deployment pipelines, and documentation
- Further development and implementation of change requests.
- Regular code reviews within the team as well as optimization of application scalability and stability
Technologies: C#, .NET 10, ASP.NET, Unit of Work, IoC, Three-Tier Architecture, Entity Framework Core, DB First, Web API, Swagger, OpenAPI, Python, Oracle, HYPARCHIV, Azure, PowerBI, DevOps, AKS (Azure Kubernetes Service), GIT, xUnit, NSubstitute, TypeScript, Vue.js, Pinia,
Methods: agile development using Scrum
Reginald Leonczuk
Last position:
ERP System Redesign (web-based)
PHP and React redesign of a web-based ERP system.
- Development of the header and parts of the navigation
- Development of various modules in React, e.g. calendar, chat, and various tables
Michael Trapp
Last position:
Development of an app for displaying sheet music at Freelance Software Developer
- Industry: Digital music solutions
- Technologies used: Flutter, Dart, iOS, Android, GitLab, PlantUML
Moritz Freyburger
Last position:
AWS Developer/DevOps Engineer (Energy Trading) at RWE Supply & Trading GmbH
- Further development and partial new development of a distributed cloud application for providing data in energy trading
- Independent implementation of the infrastructure (IaC)
- Creation of automated CI/CD pipelines, containers, REST APIs, and Lambdas
- Continuous cost and performance optimization
- Collaboration in an international Scrum team and with experts in energy trading
- Technologies: C#/ASP.NET Core; EF Core; PostgreSQL; Terraform/AWS CloudFormation; HTTP; REST/Web API; Swagger/OpenAPI; Azure DevOps; Rider; VS Code; git; Docker; AWS (S3, EC2, Fargate, Lambda, Step Functions, Secrets Manager, VPCs, ALB/NLB, RDS, Cloudwatch, AWS CLI, Amazon MQ); Redis; OAuth; OpenID Connect
- Languages: C#; TypeScript; HCL; Docker; Bash; PowerShell; YML; JSON
Michael Salzig
Last position:
Senior Software / Full-Stack Developer at DOUGLAS INFORMATIK & SERVICE GmbH
- data integration for SAP marketing applications Emarsys and SMC
- processing data from SAP applications for email delivery
- event-driven architecture with around 50 microservices for processing several million messages per day during high season
- development of a marketing campaign management tool (frontend Angular, backend C# ASP Web API)
- support for the Product Owner in communication with stakeholders and creation of epics, stories, and tasks
Gavrilo Olah
Last position:
Head of Software Development at Davidsmeyer & Paul GmbH
- Strategic project development, realisation, and implementation with internal and/or external development team
- Multi stakeholder management
- Planning new projects, cost calculation, risk calculation
- AI project for the electrical components production
- Building management systems integrations (BACnet, Modbus, etc)
- Inhouse BACring system architecture and development (control system for fire protection and smoke extraction systems)
- Inhouse MES system architecture and development
- Project management
- Agile-SCRUM project development
- Solution architecture and processes analytics (UML)
- Business application development
- Jira project management
- Reporting and documentation
- Recruitment process for the IT staff
- Software architecture, project development, costs, risks
- Education IT staff (internal and external)
- Responsibility for 5 development/DevOps/QA teams
Discover over 15,000 top freelancers
Statistics of experts using Entity Framework
Aggregated from the professional profiles of matched freelancers.
Experience
20 years
Position duration
2.8 years
Positions per freelancer
15
Top business areas
Information Technology, Product Development, Quality Assurance
Top industries
Information Technology, Manufacturing, Healthcare
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
89%
Master's degree or higher
48%
Doctorate
3%
Certifications per freelancer
2
Most common languages
German, English, Russian
Speak two or more languages
93%
Based on our profile pool as of 6 Sep 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.
Average rates of experts using Entity Framework
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 6 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
What it does
Entity Framework is a .NET object-relational mapper for working with databases through C# or other .NET code. It helps teams build data access layers, define models, and keep application logic close to the database schema without writing every query by hand.
Common work
- Code-first and database-first data models
- LINQ queries and repository patterns
- Migrations and schema updates
- Relationship mapping and change tracking
- Query tuning for SQL Server and other relational databases
Ecosystem
Strong specialists know Entity Framework Core, older Entity Framework releases, and the surrounding .NET stack. They work with SQL Server, PostgreSQL, MySQL, and SQLite, plus tools such as NuGet, dependency injection, and test frameworks used to verify data access code.
When to bring in help
Companies hire freelance expertise when a project needs a clean data layer, a migration from raw SQL or a legacy ORM, or help with slow queries and tricky mappings. This is also common when internal teams need extra capacity for a release, a refactor, or a new service that depends on reliable persistence.
What strong specialists do
Good professionals keep the model aligned with business rules, avoid chatty database access, and know when to step outside Entity Framework for a specific query. They write maintainable code, protect against loading issues, and understand how transactions, concurrency, and indexing affect behavior in production.
Project fit
- Internal business apps and APIs
- Migration from older data-access code
- Performance review and query cleanup
- Testable persistence layers for .NET services
- Support for mixed EF Core and legacy EF codebases
Frequently asked questions
Curious about Entity Framework? Here are the answers that come up again and again.
Entity Framework is used to access relational data from .NET applications without writing every database call by hand. Teams use it for CRUD features, business applications, APIs, and services that need a maintainable data layer. It is especially useful when models, relationships, and migrations need to stay in sync.
Entity Framework is a strong fit when you want faster development, clearer code, and a model-driven approach to data access. Direct SQL can still be better for very specific reporting, complex tuning, or database-heavy workflows. Many teams use EF for most data access and SQL for a few hot paths.
Entity Framework usually refers to both the older framework and Entity Framework Core, but the two are not the same product line. EF Core is the modern, cross-platform option and is the usual choice for new .NET work. Older Entity Framework still appears in legacy systems, so a good specialist should know both.
A strong Entity Framework specialist should understand C#, LINQ, relational database design, and SQL performance basics. Knowledge of migrations, indexing, transactions, and test strategy matters too. For larger systems, experience with repository patterns, domain modeling, and API design helps a lot.
A simple Entity Framework feature can be handled by a specialist with solid hands-on experience, especially if the schema is already stable. Legacy systems, performance problems, or complex inheritance and relationship mapping need deeper practice. The more the project depends on data integrity and query behavior, the more you should care about proven delivery.
Most Entity Framework work can be done remotely because the main tasks are code review, data modeling, debugging, and migration planning. On-site time can help at the start of a sensitive refactor or when teams need quick decisions with product and database owners. The key is easy access to the codebase, schema, and release process.
Look for clean model design, predictable migrations, and queries that do not pull more data than needed. A good Entity Framework expert can explain why a query is written a certain way and how it behaves under load. Tests, naming, and a clear approach to tracking and loading are also strong signs.
Yes, Entity Framework Core is still a practical choice for many new .NET systems because it speeds up development and keeps data access maintainable. It works well for business apps, APIs, and services with standard relational data. If your workload depends on highly specialized SQL, you may still mix EF Core with targeted raw SQL.
The average hourly rate of freelancers who have used Entity Framework in their recent projects is 89 €, which corresponds to a daily rate of about 716 € based on an 8-hour working day.
Of the freelancers who have used Entity Framework in their recent projects, 89% hold at least a Bachelor's degree, 48% hold at least a Master's degree, and 3% hold a doctorate.
On average, freelancers who have used Entity Framework in their recent projects have 20 years of professional experience, with a single engagement typically lasting around 2.8 years.
The most common languages among freelancers who have used Entity Framework in their recent projects are German (99%), English (94%), and Russian (12%).
The most common industries among freelancers who have used Entity Framework in their recent projects are Information Technology (98%), Manufacturing (64%), and Healthcare (45%).
The most common business areas among freelancers who have used Entity Framework in their recent projects are Information Technology (100%), Product Development (99%), and Quality Assurance (64%).
Main locations of FRATCH Experts, who have recently used Entity Framework
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
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