Entity Framework Experts
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Meet FRATCH Experts who have recently used Entity Framework
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
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
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
Timo T.
Last position:
Gronic Ident & Sign at Gronic Systems GmbH
Gronic Ident & Sign
Core technologies: Android, Jetpack Compose, Retrofit, Regula Document Reader, Adobe Sign
Android app on dedicated devices for identifications and electronic signatures at the PoS
Johannes W.
Last position:
Senior Software Engineer at EnBW
The Agent Support Interface is an internally used software application deployed by all 1st- and 2nd-level customer advisors. It displays information about customers and their cases in a centralized and compact format.
The system provides links to other platforms and systems to improve the agent's workflow.
All challenges were handled independently and as a team in an agile SCRUM 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.
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
Thomas G.
Last position:
Senior .NET / Cloud Engineer at Freelance
Building an observability and alerting solution for Business Central Job Queue Monitoring
- Built a central monitoring solution to monitor the Business Central Job Queue in a multi-organization environment in Azure DevOps
- Integrated Azure Application Insights and Log Analytics for the structured collection and analysis of job runtimes and error events
- Developed KQL queries for targeted analysis of failed jobs and detection of error patterns
- Connected Grafana and Power BI to visualize operational metrics and job statuses in real time
- Implemented an automated alerting workflow with Power Automate – an email notification is triggered immediately when a job fails
- Ensured transparency into the status of productive background processes during ongoing operations
Result: Full transparency into failed Business Central jobs · Significant reduction in response time through automated email alerting · Stable foundation for the proactive operation of productive background processes
Technologies: Azure DevOps | Application Insights | Log Analytics | KQL | Grafana | Power Automate | Power BI | Business Central | Azure Monitor
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
Marc H.
Last position:
Senior Architect, Coach and Developer
Fixing issues in the program logic
Covering the changes with unit tests
Analyzing and documenting the data structure of the various applications
Analyzing and documenting the parameters for configuring the applications
Analyzing and documenting the measures required to ensure the operation of the applications
Analyzing and designing the separation of the individual database structures
Analyzing and estimating the effort for planned extensions
Analyzing, maintaining and documenting a heterogeneous legacy system landscape for a print media service provider
Technology: C#, VB.NET, C, Python, Microsoft SQL Server, Visual Studio 2010, JetBrains Rider, Visual Studio Code, arc42, Draw.io, Jira, GitLab
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, such as a 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
Oliver F.
Last position:
Modernization of a Multi-Company Backend System at Energy utility company
Further development and modernization of a mature Aspire backend application in the energy utility sector, focusing on new business requirements, testing, legacy code cleanup, and stable backend delivery.
Key Contributions & Results Implemented new business requirements in the context of customer orders, subcontractors, and cross-company backend processes, ensuring consistent workflows across a distributed system landscape. Gradually modernized existing backend components 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 automation and integration processes through microservices, messaging, and API-based communication. Took over source code from external companies, systematically assessed 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 coordination 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
Johannes K.
Last position:
Software Developer at Hoffmann Engineering Services GmbH
- Software development
- Technical design of software architecture and design (considering functional and non-functional requirements)
- Frontend and Backend
- Refactorings
- Code reviews
- Unit tests
- Automated integration tests
- E2E tests
Global Identity Services (GIS) is the identity provider for the Digital Services Platform (DSP). GIS is responsible for authenticating and authorizing end users and other DSP services by issuing security tokens. This includes:
- Identity management (e.g., user registration, password reset and change, user profiles)
- Management of roles and permissions
- Single Sign-On (SSO) across DSP services
- Management of OAuth resources and terms and conditions
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, Banking and Finance
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 16 Oct 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 16 Oct 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%)
- Banking and Finance (44%)
- Healthcare (44%)
- Automotive (41%)
- Transportation (41%)
- Government and Administration (36%)
- Education (33%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Object-relational mapping in the modern .NET stack
Entity Framework acts as the primary object-relational mapper across enterprise .NET environments. It bridges domain-driven C# code with relational databases, allowing software teams to query and mutate data through strongly typed objects. Whether working with legacy EF6 or modern EF Core, teams rely on it to streamline persistence logic.
Core capabilities and typical database deliverables
- Code-first and database-first schema modeling
- Automated schema versioning via database migrations
- Complex relational data access using LINQ
- High-performance batching and compiled query execution
- Domain-driven aggregate design and transaction management
Tooling and the surrounding data ecosystem
Specialists in EF Core build solutions that connect to SQL Server, PostgreSQL, MySQL, and SQLite. They leverage database profiling tools such as SQL Server Profiler and MiniProfiler alongside dotnet CLI migration commands. Integration with ASP.NET Core web APIs, Azure SQL, and Docker containerized databases forms the foundation of modern cloud-native architectures.
Resolving data access bottlenecks and architectural decay
Companies often engage external specialists when data access layers suffer from performance degradation. Issues such as the N+1 query problem, excessive tracking overhead, and unindexed database queries frequently slow production services. External talent audits database roundtrips, configures split queries, and implements no-tracking patterns to restore low latency.
Upgrading legacy systems to modern EF Core
Migrating legacy applications from classic Entity Framework 6 on .NET Framework to current EF Core releases requires careful handling. Schema definitions, custom SQL mappings, and stored procedure dependencies must be modernized without service interruption. Experienced professionals ensure backward compatibility while adopting modern features like shadow properties and value converters.
Traits that distinguish top database specialists
Senior professionals look beyond basic query generation to inspect the raw SQL produced by the LINQ provider. They understand index structures, connection pooling, concurrency tokens, and distributed caching with Redis. Their work ensures data integrity, clean separation between business logic and storage, and stable throughput under heavy production workloads.
Frequently asked questions
Curious about Entity Framework? Here are the answers that come up again and again.
Entity Framework maps database tables and relationships directly to object-oriented domain classes in C#. It eliminates the need for boilerplate ADO.NET data access code while managing change tracking, identity resolution, and transactional persistence automatically. Software teams rely on it to accelerate backend delivery across web services, microservices, and line-of-business applications.
While classic EF6 was tightly tied to the Windows-only .NET Framework, EF Core is a lightweight, cross-platform rewrite built for high performance. EF Core supports multiple database engines beyond Microsoft SQL Server, executes queries significantly faster, and offers modern features such as global query filters and batch updates. Most active projects prioritize migrations toward current EF Core runtimes.
Dapper focuses purely on raw execution speed and mapping SQL query results directly to objects without tracking state. In contrast, Entity Framework Core provides full change tracking, relationship graphs, and automated database migrations. Many large systems use both side by side, relying on EF for complex transactional writes and Dapper for read-intensive, high-throughput queries.
A proficient specialist in EF Core must have deep expertise in C#, ASP.NET Core, and relational database administration. They should write proficient raw SQL, design proper indexes, and understand execution plans to diagnose query bottlenecks. Familiarity with database migration pipelines and containerized testing using tools like Testcontainers is also essential.
Routine code-first migrations require intermediate fluency, but large legacy migrations demand extensive seniority. Projects involving multi-tenant architectures, zero-downtime schema deployments, or upgrades from older .NET versions require an Entity Framework professional who understands transaction boundaries and schema drift. Senior specialists prevent catastrophic data loss during live database upgrades.
Specialists monitor generated SQL commands using application logging and tools like MiniProfiler or EF Core interceptors. When working with Entity Framework, they identify cartesian explosions, eliminate unintended client evaluation, and apply AsNoTracking where mutation tracking is unnecessary. They also leverage split queries and explicit indexing to maintain optimal database execution times.
Yes, remote collaboration works seamlessly when clear database versioning practices and migration workflows are established. Specialists working with Entity Framework use scripted migrations and automated integration tests in CI/CD pipelines to validate persistence logic remotely. Regular reviews of pull requests and schema changes ensure seamless integration with on-site infrastructure.
High quality is evident when LINQ queries produce lean, index-aligned SQL statements without hidden database roundtrips. In robust applications using EF Core, business logic remains decoupled from persistence concerns through well-defined repository or query boundaries. The codebase also contains idempotent migration scripts and automated tests that run against real database instances.
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 713 € 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 (95%), 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 Banking and Finance (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 
Cologne 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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