LINQ Experts in Germany
in minutes with vetted specialists and AI matchingHire experts who write clear LINQ queries, shape efficient Entity Framework data access, and refactor complex C# collections and reporting logic. Get fast, precise matching with vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used LINQ
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 contextual business information.
Development of an AI agent with Function/Tool Calling for secure orchestration of REST APIs, SQL data sources, and technical services within defined business processes.
Build-up of 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, as well as 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
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.
Thorsten Lenzen
Last position:
Senior Security Analyst
- Analysis and remediation of security vulnerabilities in a risk assessment system for energy trading
- System analysis
- Threat modeling
- Decision-making on vulnerability mitigation strategies
- Implementation of vulnerability detection mechanisms
- Security scans
- DevSecOps practices
- Technical environment: Visual Studio Code, JetBrains Suite, MS Threat Modeling Tool, DevSecOps, Git, AWS, DynamoDB, SQL Server, Endur, Snowflake, Orca
- Languages: C#, JavaScript, TypeScript, Python, PowerShell, Bash, Terraform, SQL
Vincent Rothländer
Last position:
Freelancer at VINROTLAB.IO
- Consulting and creation of various web applications based on SharePoint and the React framework for different clients
- Development and testing of accessible apps for SharePoint
- Creation of various test cases for test automation
- Development of various solutions based on Azure
- Creation of various web services based on .NET
- Development of various SharePoint Framework solutions
- Development of various UI solutions based on SharePoint
- Consulting and creation of various Power Apps applications and Power Automate for the steel industry and an IT consulting company
- Support, consulting, and development with offshore teams for SharePoint 2013, 2016, and microservices for a logistics company
- Consulting, concept design, and development of microservices and web applications based on Microsoft technology and the React framework for a logistics company
- Consulting, concept design, and development of various SharePoint Framework solutions on SharePoint 2016 for logistics
- Consulting for the migration from SharePoint 2010 to 2016 for an IT consulting company
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
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
Gabriele Caracausi
Last position:
Startup Mentor and Technical Advisor (Volunteer) at Faros Accelerator
- Mentoring startups about technology trends and solutions, business models, market and competition research.
Tobias Waggoner
Last position:
Lead Architect / Senior Developer at Deutsche Bahn / Systel GmbH
- Design and lead development of a reactive, highly scalable supervision module
- Created a highly available, distributed solution for real-time visualization of critical system states
- Optimized operational stability and responsiveness
- Technologies: architecture, C#, .NET, Kafka, microservices, AWS, Next.js, React
Dimitrij Neumann
Last position:
Logistics Designer / Network Designer at Deutsche Bahn Cargo
- Requirements analysis, design, and development of a product for freight logistics (dispatching, planning, timetable and network optimization)
- Documentation of technical focus areas and support with acceptance and integration testing
- DBMS-agnostic modeling and mathematical algorithms for optimization with solver integration (Gurobi, Cplex, Coin-OR)
- Implementation of service layer, automated testing, and integration with third-party systems
Holger Klink
Last position:
Data Migration Sage 100 to Odoo at LRT Automotive
- SQL database development, design, documentation of procedures, functions, and triggers
- Migration of data from the Sage Line 100 database to Odoo
- DB design with MS SQL Server and SQL (T-SQL)
- Use of Power Query and Excel
Manuel Reinfurt
Last position:
Cloud Architect & Lead Developer
- Responsible for the 5-head development team and Scrum + DevOps approach
- Designed and implemented the cloud architecture for the application landscape
- Lead development for the user management on Azure Cloud using .NET 8/C#
- Development for the user management frontend using React (TypeScript)
- Technologies: Azure AD, Functions, Storage, CosmosDB, Service Bus, AKS, Monitor, Pipelines, Key Vault, MSSQL, Bicep, App Service, Log Analytics, Application Insights, Cost Management
- Backend: .NET/C#; Frontend: Angular (TypeScript)
- Unit testing: NUnit, xUnit, Moq
- CI & CD: Azure DevOps, GitHub Actions, GitLab CI
- DevOps & IaC: Bicep, Terraform, Docker, Kubernetes
- Security & Compliance: ISO 27001, DevSecOps
- Software development approach: Scrum, SAFe, Kanban
Ulrich Proeller
Last position:
Software Architect at Carl Zeiss SMT
- Developed a modular application framework as a future foundation and to consolidate over 500 in-house applications.
- Role: Software Architect.
- Process: Scrum, 9-person team, Clean Code principles.
- Technologies: Visual Studio 2022, Git, C# 12, .NET 8.0, WPF, MVVM, xUnit, WiX Toolset 4, Visual Studio Templating, Enterprise Architect, REST services, SignalR, SAP, Oracle DB, OAuth 2.0, OpenID.
Sascha Jürgens
Last position:
Agile Coach & Partner at Agisolve GmbH – Pragmatic Agility® | Edler & Stiegler GmbH | CTN Consulting
- Create a product and service portfolio delivering a 360 degree approach to digital corporate sustainability covering KPI management, CSRD reporting and sustainable strategy
- Create vision and business case
- Onboard and align business partners, negotiate contracts
- Set up partner network as self-organized agile team
- Co-develop product and service portfolio
- Coordinate sales and marketing, go-to-market strategy and roadmap
Andreas Spernol
Last position:
Mobile and Web Portal Full-Stack Development (Freelance)
- Maintenance and further development of a web portal and a mobile app as a full-stack developer.
- Handling customer requests and bug fixes.
- Implementing REST APIs and database access with Java Spring.
- Maintaining and enhancing a web frontend with AngularJS.
- Maintaining and enhancing an iOS and Android mobile app with Qt/C++/QML, including updating the app in the respective stores.
- Technologies: Qt/C++/QML, AngularJS, Java Spring, MongoDB, OAuth.
Markus Demmler
Last position:
Senior Developer, Coach: Retail
- Developed an app for store management
- Technologies: C#/XAML, Xamarin.Forms, MvvmCross, NUnit, Xamarin.UITest, Entity Framework Core, ASP.NET Core Web API, Azure DevOps, Visual Studio App Center
Discover over 15,000 top freelancers
Statistics of experts using LINQ
Aggregated from the professional profiles of matched freelancers.
Experience
26 years
Position duration
3 years
Positions per freelancer
17
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Manufacturing, Transportation
Certification focus areas
Information Technology, Product Development, Project Management
Bachelor's degree or higher
72%
Master's degree or higher
52%
Doctorate
4%
Certifications per freelancer
4
Most common languages
German, English, French
Speak two or more languages
100%
Based on our profile pool as of 30 Aug 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Germany 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 in Germany using LINQ
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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
Query logic
LINQ, short for Language Integrated Query, lets teams express queries directly in C# and other .NET languages. It is used to filter, sort, join, and group data with code that stays close to the domain model. Strong specialists make query intent clear without turning the codebase into hard-to-read expression trees.
Common uses
- Querying Entity Framework data models
- Working with in-memory collections and projections
- Building search, reporting, and aggregation logic
- Refactoring nested loops into readable queries
- Creating reusable repository and service queries
Ecosystem skills
A capable specialist knows both LINQ to Objects and provider-backed LINQ, especially with Entity Framework and EF Core. They understand deferred execution, expression trees, and the difference between methods that run in memory and methods translated to SQL. That matters when queries must stay correct and fast.
When to bring help
Companies often bring in freelance LINQ experts when a .NET codebase has slow queries, repeated data access patterns, or hard-to-maintain query code. It is also useful during migrations from older data access layers, after a new reporting requirement, or when a team needs a clean query style in Germany while working with remote .NET specialists.
What good work looks like
Good LINQ work is readable, predictable, and suited to the provider behind it. Strong professionals know when to keep a query simple, when to split it, and when to move logic out of the database path. They write code that other specialists can maintain without guessing how it behaves.
Deliverables
A solid LINQ engagement usually ends with clearer query code, safer data access, and documented patterns for the team. Typical outputs include refactored services, optimized projections, reusable helper methods, and guidance on when to use LINQ versus plain loops or SQL. In larger .NET systems, that often reduces friction across the whole data layer.
Frequently asked questions
The facts hiring teams ask for most often when it comes to LINQ.
LINQ is used to query collections, databases, and other data sources with a common syntax inside C# and related .NET languages. Companies use it for filtering, joins, grouping, projections, and reporting logic. It is especially helpful when the goal is to keep data access readable and close to the code that uses it.
LINQ gives you query expressions inside application code, while SQL is written directly against the database. LINQ is often better for consistency and maintainability in .NET projects, but SQL can still be the right choice for very specific or highly tuned queries. A good specialist knows when each approach fits best.
No. LINQ also works with in-memory collections through LINQ to Objects, and with other providers that translate queries to different back ends. Entity Framework and EF Core are common uses, but the skill is broader than database access alone.
A strong LINQ specialist usually knows C#, the .NET runtime, Entity Framework or EF Core, and how expression trees affect query translation. They should also understand debugging, performance trade-offs, and how to keep repository and service code clean. For many projects, experience with SQL still matters.
LINQ help is useful as soon as query code becomes hard to read, slow, or inconsistent across the codebase. You do not need a large system to justify support; even a small service can benefit if it has complex filtering, joins, or provider-specific behavior. The key signal is risk, not project size.
Most LINQ work can be done remotely because it centers on code, queries, and reviewable deliverables. On-site time only becomes useful when a team wants close pairing on a difficult migration, architecture review, or shared domain modeling. Many German companies mix remote collaboration with a few focused in-person sessions.
Look for LINQ code that is easy to read, correct across edge cases, and appropriate for the query provider. Good professionals explain deferred execution, avoid unnecessary complexity, and can show where a query runs in memory versus in the database. Clean tests and careful attention to generated SQL are strong signs.
A common mistake with LINQ is assuming every query behaves the same way in memory and against a database provider. Another is building long chained expressions that are hard to debug or translate efficiently. Strong specialists keep queries focused and know when to simplify or split them.
The average hourly rate of freelancers in Germany who have used LINQ in their recent projects is 95 €, which corresponds to a daily rate of about 756 € based on an 8-hour working day.
Of the freelancers in Germany who have used LINQ in their recent projects, 72% hold at least a Bachelor's degree, 52% hold at least a Master's degree, and 4% hold a doctorate.
On average, freelancers in Germany who have used LINQ in their recent projects have 26 years of professional experience, with a single engagement typically lasting around 3 years.
The most common languages among freelancers in Germany who have used LINQ in their recent projects are German (100%), English (96%), and French (21%).
The most common industries among freelancers in Germany who have used LINQ in their recent projects are Information Technology (96%), Manufacturing (71%), and Transportation (57%).
The most common business areas among freelancers in Germany who have used LINQ in their recent projects are Information Technology (96%), Product Development (96%), and Project Management (64%).
Main locations of FRATCH Experts, who have recently used LINQ
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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