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Senior Full Stack Net Developer Jobs in Crystal Lake, IL

Sr. Full Stack Engineers Plano, TX/Schaumberg, IL/Issaquah, WA (Hybrid) 6-month Contract to Hire ... Net. * With a working knowledge of databases (DB2, SQL Server etc.). * Programming experience with ...

Founding Full-Stack Engineer - San Francisco Join a fast-scaling AI company transforming manufacturing through intelligent agents that automate complex decision-making - already delivering millions ...

New

Full Stack Developer

Elgin, IL · Remote

$40 - $75/hr

As a DataAnnotation's coder, you'll be part of a growing community of over 100,000 professionals -- including front-end, back-end, full-stack, machine learning, and other engineers -- who are driving ...

Full Stack Engineer

Mundelein, IL · Remote

$80K - $120K/yr

We're looking for a Full Stack Engineer who's eager to grow fast, think big, and build products that make a difference, improving the experience of thousands of caregivers and families. You'll work ...

On-site with flexible scheduling options (e.g., flexible start/stop times, 4-day/10-hour work weeks available) The Role We are looking for an ambitious, highly versatile Full Stack .NET Developer to ...

We're looking for a Full Stack Engineer who enjoys building products from the ground up and has a strong eye for user experience. You'll help shape a new generation of AI-powered software, creating ...

New

They have immediate need for two Fullstack Developer experienced in NodeJS, ReactJS and Redux. * Design, develop, test and debug applications and systems of varying degrees of complexity * Develop ...

Full Stack Engineer

Elgin, IL · Remote

$40 - $75/hr

As a DataAnnotation's coder, you'll be part of a growing community of over 100,000 professionals -- including front-end, back-end, full-stack, machine learning, and other engineers -- who are driving ...

They have immediate need for two Fullstack Developer experienced in NodeJS, ReactJS and Redux. * Design, develop, test and debug applications and systems of varying degrees of complexity * Develop ...

Sr. Software Engineer

Mundelein, IL · Remote

$140K - $160K/yr

We're looking for a Sr. Full Stack Engineer who's eager to think big and build products that make a difference, improving the experience of tens of thousands of caregivers and families. You'll work ...

As a DataAnnotation's coder, you'll be part of a growing community of over 100,000 professionals -- including front-end, back-end, full-stack, machine learning, and other engineers -- who are driving ...

We want to bridge the gap between web developers and traditional tech ops by building processes that support our infrastructure including data management, monitoring, and deployment. This role ...

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Senior Full Stack Net Developer information

See Crystal Lake, IL salary details

$10

$54

$74

How much do senior full stack net developer jobs pay per hour?

As of Jun 14, 2026, the average hourly pay for senior full stack net developer in Crystal Lake, IL is $54.52, according to ZipRecruiter salary data. Most workers in this role earn between $48.03 and $60.62 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Full Stack .NET Developer, and why are they important?

To thrive as a Senior Full Stack .NET Developer, you need deep expertise in C#, .NET frameworks, front-end technologies like JavaScript, HTML, and CSS, and a solid understanding of software architecture, backed by a relevant degree or equivalent experience. Familiarity with tools such as Visual Studio, SQL Server, Azure DevOps, and experience with REST APIs and version control systems like Git is typically required. Strong problem-solving, leadership, and communication skills help you collaborate effectively and mentor junior team members. These skills ensure you can deliver scalable, maintainable solutions and drive project success in dynamic development environments.

How does a Senior Full Stack .NET Developer typically collaborate with cross-functional teams in a project environment?

As a Senior Full Stack .NET Developer, you'll regularly work alongside product managers, UI/UX designers, QA engineers, and other developers to deliver end-to-end solutions. You’ll often be responsible for bridging the gap between backend and frontend teams, participating in sprint planning, code reviews, and architectural discussions. Effective communication and the ability to translate technical requirements into actionable tasks are essential, as you may also mentor junior developers and provide guidance on best practices. The role is highly collaborative, requiring both technical leadership and strong interpersonal skills to ensure smooth project delivery.

What are Senior Full Stack .NET Developers?

Senior Full Stack .NET Developers are experienced professionals who design, develop, and maintain applications using Microsoft's .NET framework across both front-end and back-end technologies. They are proficient in languages like C#, ASP.NET, JavaScript, and working with databases such as SQL Server. These developers oversee the full software development lifecycle, collaborate with teams, and often mentor junior developers. Their role requires strong problem-solving abilities, knowledge of best coding practices, and experience with cloud services like Azure. They contribute to creating scalable, efficient, and secure web applications.

What is the difference between Senior Full Stack Net Developer vs Software Engineer?

AspectSenior Full Stack Net DeveloperSoftware Engineer
Required CredentialsBachelor's in CS or related, .NET certificationsBachelor's in CS or related, general programming certifications
Work EnvironmentDeveloping web applications using .NET, working in Agile teamsDesigning and developing software solutions across various platforms
Employer & Industry UsageTech companies, finance, healthcare using Microsoft stackBroad industry use, including tech, finance, startups

Senior Full Stack Net Developers focus on building and maintaining web applications using the Microsoft .NET framework, often working in Agile teams. Software Engineers have a broader scope, designing and developing software across multiple platforms. While both roles require similar educational backgrounds, Senior Full Stack Net Developers specialize in the Microsoft stack, making them more suitable for roles centered around .NET technologies.

What cities near Crystal Lake, IL are hiring for Senior Full Stack Net Developer jobs? Cities near Crystal Lake, IL with the most Senior Full Stack Net Developer job openings:

Senior Full Stack Developer (.NET AI Focused)

Tech Tammina

Hoffman Estates, IL • On-site

Full-time

Posted 25 days ago


Job description

Role: Senior Full Stack Developer (.NET AI Focused)
Location: Hoffman Estates, IL (Hybrid)
Duration: 3-6 months
Rate: Market
Required Qualifications
  • Strong full-stack development experience (.NET C# + ReactJS)
  • Demonstrated advanced proficiency with GitHub Copilot in enterprise development environments
  • Experience using AI tools for code optimization, debugging, and refactoring
  • Experience working within containerized environments (Kubernetes)
  • Strong understanding of distributed systems and event-driven architectures

Core Responsibilities
  • Lead AI-assisted refactoring of .NET C# microservices
  • Develop and enhance ReactJS front-end components aligned with backend improvements
  • Leverage GitHub Copilot (advanced usage required) and Claude Code to accelerate development tasks
  • Evaluate AI-generated code for quality, security, and architectural alignment
  • Collaborate with QA (automation with AI) and DevOps/Infrastructure (Kubernetes, Kafka) resources
  • Conduct performance benchmarking and outcome validation
  • Identify opportunities to apply AI to improve existing development workflows
  • Troubleshoot complex distributed system issues across services and infrastructure

Technical Environment
  • .NET C# Microservices Architecture
  • ReactJS
  • On-Premises Kubernetes (K8S)
  • Kafka
  • PostgreSQL
  • Redis
  • Apache Druid
  • ELK Stack
  • AI Coding Tools: GitHub Copilot (critical), Claude Code