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Eugene V., .NET Engineer

Kharkiv, Ukraine
Last Updated: 4 Jul 2023

- 3+ years of experience - Upper-intermediate English - Available ASAP

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.NET

.NET

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Artem S., Middle Full-Stack .NET Developer

Ukraine
Last Updated: 4 Jul 2023

- 6 years of professional experience in the Information Technologies (IT) industry. - Refactoring of the existing applications. - Experience in developing applications using C#, and JavaScript. - Experience in building microservices and end event-based systems. - Experience with dependency Injection and Service Life Cycles - Developing applications using design patterns - Good knowledge of OOP, SOLID, TDD - Understanding CI/CD practices - Understanding of API/EDI technology integration - Ability to write Unit and integration tests - Upper-Intermediate English

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ASP.NET

ASP.NET   6 yr.

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Vladyslav Susidko, Software Engineer

Kyiv, Ukraine
Last Updated: 29 Nov 2023

- Expertise in full stack development, possessing an Associate degree in Computer Engineering and a BS in Computer Science, underpinned by a professional background in software engineering since 2019. - Proficient in a broad tech stack, notably C#, .NET (Framework, Core, 5, 6, 7), Entity Framework Core, SQL, and front-end tech including HTML, CSS, SCSS, JavaScript, TypeScript, Angular, with additional expertise in CI/CD pipelines and version control with Git. - Demonstrated capabilities in software design and development, including architecting applications, writing testable code with unit/integration tests, and configuring and managing AWS services. - Proven experience including frontend and backend development, real-time video communication, and complex feature creation for CRM systems and document management platforms. - Practiced in modern software development practices and methodologies such as SOLID principles, MediatR, CQRS, and Docker containerization, guaranteeing adherence to industry best practices and design patterns. - Versatile role involvement from Full Stack to Backend Developer, ensuring comprehensive understanding and execution of project life cycles. - Noted for direct contributions to complex projects with responsibilities covering from code inception to deployment, showcasing proficiency in software development lifecycle (SDLC).

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C

C   3 yr.

.NET

.NET   3 yr.

ASP.NET Core Framework

ASP.NET Core Framework   3 yr.

xunit

xunit   2 yr.

Entity Framework

Entity Framework   3 yr.

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Max R., Senior .NET Engineer

Kharkiv, Ukraine
Last Updated: 4 Jul 2023

- 5+ years of commercial experience with C# and .NET - Experience with .NET Core and .NET Framework - Experience with MS SQL Server, MongoDB, Cosmos DB - RabbitMQ, Redis - Worked with Stripe, AWS (SNS, SQS, S3, EFS, Lambda, EC2), Azure(Storage, Queues), Hangfire - Knowledge of OOP and SOLID principles - Basics of HTML, CSS, Javascript, JQuery - Familiar with Docker and Kubernetes; - Intermediate English - Available ASAP

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.NET

.NET

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Yurii K., .NET Software Engineer

Lviv, Ukraine
Last Updated: 4 Jul 2023

- .NET Software Engineer with 4 years of software development experience in different domains (FinTech, Real Estate, E-Commerce). - The biggest part of the experience is related to the .NET platform - Upper-Intermediate English - Available from 11.07.2022

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.NET

.NET

C#

C#

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FAQs about SignalR Development

How do I hire a SignalR developer? Arrow

If you urgently need a verified and qualified SignalR developer, and resources for finding the right candidate are lacking, UPSTAFF is exactly the service you need. We approach the selection of SignalR developers professionally, tailored precisely to your needs. From placing the call to the completion of your task by a qualified developer, only a few days will pass.

Where is the best place to find SignalR developers? Arrow

Undoubtedly, there are dozens, if not hundreds, of specialized services and platforms on the network for finding the right SignalR engineer. However, only UPSTAFF offers you the service of selecting real qualified professionals almost in real time. With Upstaff, software development is easier than calling a taxi.

How are Upstaff SignalR developers different? Arrow

AI tools and expert human reviewers in the vetting process are combined with a track record and historically collected feedback from clients and teammates. On average, we save over 50 hours for client teams in interviewing SignalR candidates for each job position. We are fueled by a passion for technical expertise, drawn from our deep understanding of the industry.

How quickly can I hire SignalR developers through Upstaff? Arrow

Our journey starts with a 30-minute discovery call to explore your project challenges, technical needs, and team diversity. Meet Carefully Matched SignalR Talents. Within 1-3 days, we’ll share profiles and connect you with the right talents for your project. Schedule a call to meet engineers in person. Validate Your Choice. Bring a new SignalR developer on board with a trial period to confirm that you’ve hired the right one. There are no termination fees or hidden costs.

How does Upstaff vet remote SignalR engineers? Arrow

Upstaff Managers conduct an introductory round with potential candidates to assess their soft skills. Additionally, the talent’s hard skills are evaluated through testing or verification by a qualified developer during a technical interview. The Upstaff Staffing Platform stores data on past and present SignalR candidates. Upstaff managers also assess talent and facilitate rapid work and scalability, offering clients valuable insights into their talent pipeline. Additionally, we have a matching system within the platform that operates in real-time, facilitating efficient pairing of candidates with suitable positions.

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Table of Contents

How and where is SignalR used?

Top 10 Interesting Utilization Cases of SignalR Development

Case NameCase Description
Real-time DashboardsSignalR enables the creation of real-time dashboards that update in real-time with live data. For example, a financial dashboard can display real-time stock prices, allowing traders to make informed decisions instantly.
Collaborative EditingSignalR can be used to build collaborative editing applications where multiple users can edit documents simultaneously. This is particularly useful for team projects or remote collaboration, as changes made by one user are instantly reflected for others.
Live Chat ApplicationsWith SignalR, developers can build live chat applications that provide real-time communication between users. This is ideal for customer support systems, online gaming platforms, or any application that requires instant messaging capabilities.
Real-time NotificationsSignalR can be utilized to send real-time notifications to users across various devices. For example, an e-commerce platform can notify users about order updates, special offers, or important announcements instantly without the need for manual refreshing.
Real-time Location TrackingUsing SignalR, developers can create applications that track the real-time location of users or vehicles. This can be used for fleet management, ride-sharing services, or any application that requires real-time location updates.
Multiplayer GamingSignalR enables the development of multiplayer games where players can interact with each other in real-time. This allows for a more immersive and engaging gaming experience, as players can see each other’s actions and communicate instantly.
Live AuctionsSignalR can be utilized to build live auction platforms where bidders can participate in real-time auctions and receive instant updates on bid statuses. This adds an element of excitement and competitiveness to the bidding process.
IoT Data StreamingSignalR can be used to stream real-time data from Internet of Things (IoT) devices. This enables developers to build applications that monitor and control IoT devices in real-time, such as smart home automation systems or industrial monitoring systems.
Real-time Stock Market UpdatesSignalR can be leveraged to provide real-time stock market updates to traders, investors, and financial analysts. This ensures that users have access to the latest market data and can make informed decisions based on real-time information.
Real-time Collaboration ToolsSignalR can be integrated into collaboration tools to enable real-time collaboration among team members. This can include features such as shared whiteboards, real-time document editing, or synchronized task management.

TOP 10 Facts about SignalR

  • SignalR is a real-time communication library developed by Microsoft as part of the ASP.NET framework.
  • It allows bi-directional communication between the server and the client, enabling real-time updates and notifications.
  • SignalR uses websockets as the default transport protocol, providing low-latency and high-performance real-time communication.
  • However, SignalR also supports fallback mechanisms such as Server-Sent Events (SSE) and long polling for environments where websockets are not available.
  • With SignalR, developers can easily build real-time applications, including chat applications, dashboards, collaborative tools, and more.
  • It provides automatic connection management, allowing clients to reconnect seamlessly in case of network interruptions.
  • SignalR supports various client platforms, including web browsers, mobile devices, and desktop applications.
  • The library offers a wide range of features, such as group communication, broadcasting messages to multiple clients, and scaling out to multiple servers.
  • SignalR supports both server-to-client and client-to-server communication, making it suitable for scenarios where real-time data synchronization is required.
  • SignalR is an open-source project and is actively maintained by Microsoft, with regular updates and improvements.

Soft skills of a SignalR Developer

Soft skills are essential for SignalR Developers as they work in a collaborative environment and interact with various stakeholders. Here are the soft skills required at different levels of expertise:

Junior

  • Effective Communication: Ability to clearly articulate ideas and discuss technical concepts with team members and clients.
  • Adaptability: Willingness to learn and adapt to new technologies and frameworks.
  • Problem-Solving: Strong analytical and critical thinking skills to identify and resolve issues.
  • Teamwork: Ability to work collaboratively with other developers and contribute to the success of the team.
  • Time Management: Efficiently manage time and prioritize tasks to meet project deadlines.

Middle

  • Leadership: Ability to take ownership of tasks and guide junior developers in the team.
  • Conflict Resolution: Skill to resolve conflicts within the team and promote a positive work environment.
  • Mentoring: Willingness to share knowledge and mentor junior developers to help them improve their skills.
  • Client Management: Effective communication and relationship-building skills to understand client requirements and deliver solutions accordingly.
  • Attention to Detail: Ability to pay attention to small details and ensure the quality of the code.
  • Collaboration: Work effectively with cross-functional teams and stakeholders to achieve project goals.
  • Self-Motivation: Ability to work independently and take initiatives to improve processes and code quality.

Senior

  • Project Management: Experience in managing projects, including planning, coordination, and tracking.
  • Strategic Thinking: Ability to align technical solutions with business goals and provide valuable insights.
  • Decision-Making: Capacity to make informed decisions and resolve complex technical challenges.
  • Presentation Skills: Ability to present technical concepts and solutions to non-technical stakeholders.
  • Innovation: Willingness to explore new technologies and propose innovative ideas for improvement.
  • Client Relationship Management: Skilled in building and maintaining strong relationships with clients.
  • Negotiation: Ability to negotiate project scope, timelines, and deliverables with clients.
  • Conflict Management: Proficient in managing conflicts and mediating disputes within the team.

Expert/Team Lead

  • Strategic Leadership: Ability to provide direction and guidance to the team and drive project success.
  • Technical Expertise: Extensive knowledge and experience in SignalR and related technologies.
  • Team Building: Skill to build and nurture high-performing development teams.
  • Decision-Making: Capacity to make critical decisions that impact the project and the team.
  • Influencing Skills: Ability to influence and persuade stakeholders to adopt best practices and innovative solutions.
  • Risk Management: Proficient in identifying and mitigating risks associated with project development.
  • Continuous Learning: Commitment to staying updated with the latest industry trends and technologies.
  • Performance Management: Experience in evaluating team performance and providing constructive feedback.
  • Business Acumen: Understanding of business requirements and the ability to align technical solutions accordingly.
  • Strategic Planning: Skill to develop long-term plans and roadmaps for project success.
  • Problem-Solving: Expertise in solving complex technical challenges and providing efficient solutions.

Hard skills of a SignalR Developer

SignalR is a real-time web application framework developed by Microsoft that allows bi-directional communication between the client and server. SignalR developers possess a set of hard skills that enable them to effectively build and maintain SignalR applications at various levels of expertise.

Junior

  • ASP.NET Core: Proficiency in using the ASP.NET Core framework for developing web applications.
  • C#: Strong knowledge of C# programming language to write server-side code for SignalR applications.
  • JavaScript: Familiarity with JavaScript to handle client-side interactions and integrate with SignalR.
  • HTML/CSS: Understanding of HTML and CSS for structuring web pages and styling SignalR applications.
  • Debugging: Ability to debug and troubleshoot issues in SignalR applications for effective problem-solving.

Middle

  • ASP.NET Core: Advanced understanding and experience in using the ASP.NET Core framework for building complex SignalR applications.
  • C#: In-depth knowledge of C# programming language and its advanced features to implement advanced server-side functionalities.
  • JavaScript: Proficiency in JavaScript frameworks (e.g., Angular, React) to enhance client-side functionality in SignalR applications.
  • Database Integration: Experience in integrating SignalR applications with databases (e.g., SQL Server, MongoDB) for data storage and retrieval.
  • Performance Optimization: Ability to optimize SignalR applications for better performance and scalability.
  • Security: Familiarity with implementing security measures (e.g., authentication, authorization) in SignalR applications to protect against threats.
  • Unit Testing: Knowledge of unit testing frameworks (e.g., NUnit, xUnit) to ensure the quality and reliability of SignalR code.

Senior

  • Architecture Design: Expertise in designing scalable and maintainable architecture for large-scale SignalR applications.
  • Performance Tuning: Ability to analyze and optimize the performance of SignalR applications to handle high traffic loads.
  • Concurrency Handling: Proficiency in handling concurrent connections and managing synchronization in SignalR applications.
  • Infrastructure Management: Experience in deploying and managing SignalR applications in cloud environments (e.g., Azure, AWS).
  • Code Review: Capability to review and provide constructive feedback on SignalR code written by junior and middle-level developers.
  • Documentation: Skill in documenting SignalR application architecture, design decisions, and best practices.
  • Team Collaboration: Ability to collaborate effectively with cross-functional teams and lead development efforts in a team environment.
  • Mentoring: Experience in mentoring and guiding junior and middle-level developers in SignalR development.

Expert/Team Lead

  • Advanced SignalR Concepts: Extensive knowledge of advanced SignalR concepts such as Scale-Out, Backplane, and Connection Mapping.
  • Real-Time Analytics: Proficiency in integrating SignalR applications with analytics platforms to monitor and analyze real-time data.
  • Code Refactoring: Ability to refactor and optimize existing SignalR codebase for improved maintainability and performance.
  • DevOps: Experience in setting up CI/CD pipelines and automating deployment processes for SignalR applications.
  • Code Review: Expertise in conducting thorough code reviews and providing valuable feedback to ensure code quality and adherence to best practices.
  • Technical Leadership: Strong leadership skills to guide and mentor a team of SignalR developers, ensuring project success and timely delivery.
  • Problem Solving: Proficiency in identifying and resolving complex technical challenges in SignalR applications.
  • Continuous Learning: Commitment to staying updated with the latest trends and advancements in SignalR development.
  • Client Relationship Management: Ability to effectively communicate with clients, understand their requirements, and provide technical solutions using SignalR.
  • Project Management: Experience in managing end-to-end SignalR projects, including planning, resource allocation, and timely delivery.
  • Performance Optimization: Expertise in optimizing SignalR applications for maximum performance and scalability.

Pros & cons of SignalR

6 Pros of SignalR

  • Real-time communication: SignalR allows for real-time communication between the server and the client, enabling instant updates and notifications.
  • Scalability: SignalR is designed to handle high traffic and can scale to support a large number of concurrent connections.
  • Bi-directional communication: SignalR supports bi-directional communication, allowing both the server and the client to send messages to each other.
  • Platform-agnostic: SignalR can be used with various platforms and programming languages, making it versatile and compatible with different tech stacks.
  • Error handling and reconnection: SignalR handles connection interruptions and provides built-in mechanisms for automatic reconnection, ensuring a seamless user experience.
  • Efficiency: SignalR optimizes network traffic by using techniques such as WebSocket and long polling, reducing the overhead and improving performance.

6 Cons of SignalR

  • Complexity: SignalR can have a steep learning curve, especially for beginners, due to its various concepts and components.
  • Server-side dependencies: SignalR requires server-side infrastructure and dependencies, which may add complexity to the overall system architecture.
  • Compatibility limitations: SignalR may not be compatible with older browsers or platforms that do not support modern web technologies like WebSocket.
  • Increased server load: SignalR’s real-time communication can put additional load on the server, requiring proper resource management and scaling strategies.
  • Debugging challenges: Debugging SignalR applications can be challenging, as it involves both server-side and client-side components.
  • Security considerations: SignalR applications need to implement appropriate security measures to protect against potential vulnerabilities and attacks.

Let’s consider Difference between Junior, Middle, Senior, Expert/Team Lead developer roles.

Seniority NameYears of experienceResponsibilities and activitiesAverage salary (USD/year)
Junior0-2 yearsAssisting senior developers in coding, testing, and debugging software applications. Performing basic software development tasks under supervision. Learning and gaining experience in different programming languages and technologies.$55,000 – $75,000
Middle2-5 yearsDeveloping software applications independently. Participating in the design and architecture of software systems. Writing clean and efficient code. Collaborating with team members to deliver high-quality software solutions. Assisting junior developers and providing guidance.$75,000 – $100,000
Senior5+ yearsLeading the development of complex software projects. Designing and implementing high-level system architectures. Mentoring and guiding junior and middle developers. Contributing to code reviews and ensuring code quality. Collaborating with cross-functional teams and stakeholders.$100,000 – $140,000
Expert/Team Lead8+ yearsLeading a team of developers and overseeing project execution. Providing technical leadership and guidance. Making strategic decisions regarding technology stack and development processes. Identifying and resolving technical challenges. Collaborating with product managers and stakeholders to define project requirements and goals.$140,000 – $180,000

TOP 10 Tech facts and history of creation and versions about SignalR Development

  • SignalR is a real-time web application framework developed by Microsoft in 2011.
  • It was created by David Fowler and Damian Edwards, software engineers at Microsoft.
  • The primary goal of SignalR is to provide real-time communication between web servers and clients, enabling push notifications and live updates.
  • SignalR uses multiple transport protocols, including WebSockets, Server-Sent Events (SSE), and long polling, to ensure seamless communication across various devices and browsers.
  • SignalR can be integrated with various platforms and languages, including .NET, JavaScript, and Java.
  • The initial version of SignalR, known as SignalR 1.0, was released in 2012.
  • SignalR 2.0, released in 2013, introduced several enhancements and improved scalability.
  • SignalR 2.1, released in 2014, added support for dynamic hubs and improved performance.
  • SignalR 2.2, released in 2015, included bug fixes and performance improvements.
  • The latest version of SignalR, SignalR 2.4.2, was released in 2019 and focused on stability and performance optimizations.

What are top SignalR instruments and tools?

  • SignalR: SignalR is a real-time messaging library for ASP.NET that allows bi-directional communication between server and client. It was first released in 2013 and has since become one of the most popular tools for building real-time web applications. SignalR uses WebSockets by default but can also fall back to other techniques like long polling or server-sent events depending on the client’s capabilities.
  • Socket.io: Socket.io is a JavaScript library that enables real-time, bidirectional communication between web clients and servers. It was first released in 2011 and has gained widespread adoption due to its simplicity and cross-browser compatibility. Socket.io supports multiple transports, including WebSocket, AJAX long polling, and JSONP polling, making it a versatile choice for real-time applications.
  • Pusher: Pusher is a hosted API for real-time messaging, offering a simple and scalable solution for adding real-time functionality to applications. It was launched in 2011 and has since been used by thousands of developers and companies. Pusher supports multiple client libraries for various platforms and offers features like presence channels, webhooks, and private channels.
  • PubNub: PubNub is a global Data Stream Network and real-time infrastructure-as-a-service (IaaS) company. It provides a secure and scalable platform for building real-time applications. PubNub was founded in 2010 and has grown to support over 330 million devices and process over 1.3 trillion messages per month. It offers features like Pub/Sub messaging, presence detection, and history storage.
  • Firebase Realtime Database: Firebase Realtime Database is a NoSQL cloud-hosted database that allows developers to store and sync data in real-time. It was acquired by Google in 2014 and has become a popular choice for real-time applications. Firebase Realtime Database offers automatic data synchronization, offline support, and real-time event listeners.
  • Redis: Redis is an open-source, in-memory data structure store that can be used as a database, cache, or message broker. It supports various data structures like strings, hashes, lists, sets, and sorted sets, making it versatile for different use cases. Redis has built-in support for pub/sub messaging, which can be used for real-time communication between clients and servers.
  • Amazon Simple Notification Service (SNS): Amazon SNS is a fully managed pub/sub messaging service that enables the delivery of messages to multiple subscribers. It provides a highly scalable and reliable infrastructure for building real-time applications. SNS supports various protocols, including HTTP, HTTPS, email, SMS, and mobile push notifications, making it suitable for different communication channels.
  • RabbitMQ: RabbitMQ is an open-source message broker that implements the Advanced Message Queuing Protocol (AMQP). It allows applications to communicate asynchronously by sending and receiving messages. RabbitMQ supports various messaging patterns, including pub/sub, request/reply, and work queues, making it a flexible choice for real-time communication.
  • Apache Kafka: Apache Kafka is a distributed streaming platform that allows the building of real-time data pipelines and streaming applications. It was initially developed by LinkedIn and later became an Apache Software Foundation project. Kafka provides high-throughput, fault-tolerant, and scalable messaging capabilities, making it suitable for real-time use cases that involve large volumes of data.
  • Twilio: Twilio is a cloud communications platform that provides APIs for building messaging, voice, and video applications. It offers real-time communication capabilities through its Programmable Chat API, which allows developers to add chat functionality to their applications. Twilio’s platform is widely used by companies for building real-time customer support, collaboration, and social applications.
  • Microsoft Azure SignalR Service: The Microsoft Azure SignalR Service is a fully managed real-time messaging service that enables developers to build real-time web applications easily. It provides high-performance, low-latency communication between clients and servers using the SignalR protocol. The Azure SignalR Service is scalable, globally distributed, and integrated with other Azure services, making it a reliable choice for real-time applications.

TOP 10 SignalR Related Technologies

  • Languages: C#

    C# is one of the most popular programming languages for SignalR software development. It offers a robust and versatile platform for building real-time web applications, providing developers with a wide range of tools and libraries to work with.

  • Frameworks: ASP.NET Core

    ASP.NET Core is a powerful and scalable framework for building web applications, including those that utilize SignalR. It provides developers with a high-performance environment and a rich set of features, making it an ideal choice for SignalR software development.

  • Frontend Frameworks: Angular

    Angular is a popular frontend framework that works seamlessly with SignalR. It enables developers to build dynamic and responsive user interfaces for real-time web applications, enhancing the overall user experience.

  • Backend Frameworks: Node.js

    Node.js is a versatile backend framework that can be used for SignalR software development. It offers a JavaScript runtime environment, allowing developers to build scalable and efficient server-side applications that can handle real-time communication.

  • Cloud Platforms: Microsoft Azure

    Microsoft Azure provides a comprehensive cloud platform for hosting and deploying SignalR applications. It offers scalability, reliability, and a wide range of services that can enhance the performance and functionality of SignalR software.

  • Message Brokers: RabbitMQ

    RabbitMQ is a popular message broker that can be integrated with SignalR to enable efficient messaging between clients and servers. It supports various messaging patterns and provides reliable message delivery, ensuring smooth communication in real-time applications.

  • Testing Frameworks: NUnit

    NUnit is a widely used testing framework for C# applications, including those developed with SignalR. It provides a rich set of features for unit testing, making it easier to ensure the quality and reliability of SignalR software.

Cases when SignalR does not work

  1. Unsupported Browsers: SignalR relies on WebSockets, Server-Sent Events, or Long Polling to establish a connection between the client and the server. However, some older browsers do not support these technologies. For example, Internet Explorer versions older than IE10 do not support WebSockets, which means SignalR will not work on those browsers.
  2. Firewall Restrictions: SignalR uses specific ports and protocols to establish a connection with the server. If your network has strict firewall rules that block these ports or protocols, SignalR may not be able to establish a connection.
  3. Incorrect Configuration: SignalR requires proper configuration on both the client and server side. If the configuration is not set correctly, SignalR may fail to work. This includes specifying the correct URL for the SignalR endpoint, setting up the correct transport protocols, and configuring any necessary authentication or authorization.
  4. Server Overload: If the server hosting the SignalR hub is overloaded with requests or does not have enough resources to handle the incoming connections, SignalR may not function properly. This can result in dropped connections, slow response times, or even complete failure.
  5. Network Issues: SignalR relies on a stable network connection between the client and the server. If there are network issues such as high latency, packet loss, or intermittent connectivity problems, SignalR may not work reliably.
  6. Client-Side JavaScript Errors: SignalR relies on JavaScript code running in the client’s browser to establish and maintain the connection. If there are any errors in the client-side JavaScript code, SignalR may not work as expected.
  7. Version Incompatibility: SignalR has different versions available, and there may be compatibility issues between the client and server versions. It is essential to ensure that the client and server are using compatible versions of SignalR to avoid any compatibility-related problems.

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