Entity Framework Experts
to build reliable .NET data systems, matched fast with AIHire experts who design robust data access layers, shape efficient LINQ queries and deliver migrations across SQL Server and other relational databases. FRATCH matches you with vetted, available freelancers who fit your project quickly and precisely.
Meet FRATCH Experts who have recently used Entity Framework
Matthias S.
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 C.
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 O.
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
Manuel K.
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 A.
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 W.
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 E.
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 A.
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
Ahmed M.
Last position:
Senior Full-Stack Engineer at NEW NETZ
- Built more than 15 frontend applications and more than 10 backend services across internal tools, back-office workflows, and external portals for installers and end customers
- Automate build and release workflows with TypeScript and Azure DevOps
- Mentor junior engineers through code reviews and technical guidance
- Integrate AI-assisted and agentic development practices into engineering workflows
- Coordinate user experience decisions with UX designers
Tech Stack: Claude Code, Codex, AWS (S3, Lambda, AppSync, Resolver), Next.js App Router, ReactJS, NuxtJS, Vue.js, Storybook, JavaScript, TypeScript, GraphQL, Azure DevOps
Rizwan B.
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 L.
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
Andreas G.
Last position:
Senior Fullstack .NET (Core) & Angular Developer at IT Service Provider
- Supporting several agile teams in the new product development of an enterprise CRM and ERP application
- Web frontend development with Angular 17–21 (microfrontends, Domain-Driven Design, MDB-Bootstrap)
- Backend development with C# and .NET 7–10, MongoDB, MassTransit, RabbitMQ, Entity Framework Core, ElasticSearch (microservices, DDD)
- Technical feature design for assigned tasks
- Technical architecture design including forward-looking planning of AI-supported extension options
- Proof-of-concept implementation of AI-supported workflows with n8n and a locally hosted LLM (Ollama)
- Coordination with stakeholders and Product Owners, support with sprint planning
Result: Delivery of production-ready microservices and frontend modules in agile sprint cycles.
Environment: .NET 7–10 · Angular 17–21 · C# · TypeScript · OpenAPI · Microfrontends · DDD · Kubernetes · Docker · Helm · MS SQL Server · PostgreSQL · MongoDB · MassTransit · RabbitMQ · EF Core · ElasticSearch · Kibana · Azure DevOps · KeyCloak · n8n · Ollama
Michael T.
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
Igor F.
Last position:
Lead Frontend Developer at Amcon Software GmbH
Technical leadership in the implementation of accessible frontend components with React and MUI
Analysis and refactoring of existing UI structures with regard to semantic HTML usage, ARIA roles, and keyboard navigation
Integration and use of accessibility testing tools such as Axe and Lighthouse
Close coordination with UI/UX design, backend development, and QA to ensure a consistent a11y-compliant user experience
Advising the client on implementing legal requirements according to BITV 2.0 / EU Directive 2016/2102
Improved the Lighthouse Accessibility Score from 55 to 98
Long-term improvement of the codebase through the introduction of reusable, accessible components
Positive client feedback and follow-up work for future a11y projects
Tools and technologies: React, MUI, TypeScript, JavaScript, HTML5, CSS3, Node.js, WCAG 2.1 AA, Axe, Lighthouse, SCRUM, Agile, Jira, Bitbucket
Moritz F.
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
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
49%
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 26 Sep 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging 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 26 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Entity Framework experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Information Technology (98%)
- Manufacturing (63%)
- Healthcare (44%)
- Banking and Finance (43%)
- Automotive (41%)
- Transportation (40%)
- Government and Administration (37%)
- Education (33%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What Entity Framework does
Entity Framework is Microsoft’s object-relational mapper for .NET applications. It lets application code work with database data through strongly typed .NET objects while handling much of the SQL translation, connection management and change tracking. Teams commonly use it to build APIs, web applications, internal systems and services backed by relational data.
Core capabilities
Entity Framework supports both database-first and code-first development. Professionals define models, relationships and constraints, then use LINQ to query data and migrations to evolve schemas safely. Entity Framework Core is the modern, cross-platform implementation, while the earlier Entity Framework 6 remains relevant in established .NET Framework systems.
- Design entities, keys, relationships and navigation properties
- Create and manage database migrations
- Tune LINQ queries and loading strategies
- Configure transactions, concurrency and validation
Ecosystem and tooling
Entity Framework sits within the .NET ecosystem and commonly connects to SQL Server, PostgreSQL, MySQL, SQLite and other providers. Its work often includes ASP.NET Core, dependency injection, authentication flows, REST or GraphQL APIs, and automated testing. Strong specialists also understand provider limitations, generated SQL, indexing and database deployment pipelines.
When expertise matters
Companies bring in freelance Entity Framework specialists when a data layer is slow, difficult to change or too closely tied to business logic. They are also useful during a migration from Entity Framework 6 to Entity Framework Core, a move from legacy ADO.NET, or the delivery of a new service with demanding data requirements.
- Replace repetitive data-access code with a maintainable model
- Investigate slow queries, excessive database calls or tracking overhead
- Plan schema changes without disrupting releases
- Review data access before production launch
What strong professionals deliver
A capable professional starts with the domain and database design rather than relying on default conventions. They make query behavior visible, choose tracking and loading strategies deliberately, and keep migrations reviewable. They also separate persistence concerns from application logic, protect sensitive data and test realistic database interactions.
Selecting the right specialist
Look for evidence of production systems using the relevant Entity Framework version and database provider. Ask how the specialist handles N+1 queries, transaction boundaries, optimistic concurrency, raw SQL and rollback planning. For remote work, clear documentation, shared query profiling and regular technical reviews help teams collaborate effectively across locations and time zones.
Frequently asked questions
Curious about Entity Framework? Here are the answers that come up again and again.
Entity Framework is used to connect .NET applications with relational databases through an object-relational mapping layer. It supports model design, LINQ queries, change tracking, transactions and schema migrations, reducing the amount of repetitive data-access code teams write.
Entity Framework Core is the newer, cross-platform implementation designed for modern .NET applications. Entity Framework 6 targets the older .NET Framework and can still be the right choice when a company maintains an established application or depends on features and providers not yet available in its newer stack.
Entity Framework is a strong fit when a project benefits from domain models, relationship mapping, migrations and consistent unit-of-work behavior. ADO.NET or Dapper may be preferable for highly specialized SQL, very small data-access layers or workloads where close control over every query is the main concern.
A strong Entity Framework specialist should also understand C#, LINQ, ASP.NET Core, SQL and relational database design. Knowledge of indexing, query plans, automated testing, dependency injection and deployment pipelines helps them solve problems beyond the mapping layer.
The required depth depends on the data model, performance demands and migration risk. Entity Framework work on a simple internal application may need focused implementation support, while a large transactional system calls for a professional who can review architecture, query behavior, concurrency and production operations.
Yes. Entity Framework work is well suited to remote collaboration when the team shares database documentation, migration practices, test data and access to query or application logs. On-site work can help during complex production incidents, but most design, implementation and review tasks can be coordinated online.
Review whether Entity Framework queries produce appropriate SQL and whether the data layer has tests for relationships, transactions, concurrency and migrations. A quality professional can explain loading choices, identify N+1 risks, document provider-specific behavior and show how changes can be deployed and reversed safely.
Entity Framework can support a legacy application when its database structure, .NET version and provider are assessed carefully first. A specialist may introduce it around selected modules, retain existing ADO.NET paths where needed, or plan a controlled transition from Entity Framework 6 rather than forcing a risky full rewrite.
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 714 € 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, 49% 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 (63%), and Healthcare (44%).
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 all over Germany — available on-site in Berlin, Hamburg, Munich and every major business hub, or fully remote. Choose a city to discover matched specialists, local market insights and up-to-date availability.
Berlin 
Hamburg 
Munich In Austria our freelancers and interim experts support companies from Vienna to Graz — on-site where your project needs them, or fully remote. Choose a city to discover matched specialists, local market insights and up-to-date availability.
Vienna Graz Across Switzerland our specialists are active in Zurich, Geneva, Basel and Bern — working on-site or fully remote. Choose a city to discover matched specialists, local market insights and up-to-date availability.
Zurich Geneva Basel Bern Countries:
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