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Senior Full Stack Java Developer Jobs in Crystal Lake, IL

HHAeXchange

Sr. Full Stack 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 ...

Uline

Senior Software Developer - Java

Waukegan, IL

$96K - $148K/yr

Senior Software Developer - Java Pay from $96,000 to $148,000 per year 2200 S. Lakeside Drive ... Java full stack development, with a strong track record in enterprise solutions using Spring ...

Uline

Senior Software Developer - Java

Waukegan, IL · On-site

$96K - $148K/yr

Senior Software Developer - Java Pay from $96,000 to $148,000 per year 2200 S. Lakeside Drive ... Java full stack development, with a strong track record in enterprise solutions using Spring ...

ULINE

Senior Software Developer - Java

Waukegan, IL · On-site

$96K - $148K/yr

Senior Software Developer - Java Pay from $96,000 to $148,000 per year 2200 S. Lakeside Drive ... Java full stack development, with a strong track record in enterprise solutions using Spring ...

ULINE

Senior Software Developer - Java

Waukegan, IL · On-site

$96K - $148K/yr

Senior Software Developer - Java Pay from $96,000 to $148,000 per year 2200 S. Lakeside Drive ... Java full stack development, with a strong track record in enterprise solutions using Spring ...

DataDelivers LLC

Full Stack Engineer

Schaumburg, IL · On-site

$115K - $130K/yr

Full Stack Engineer Product Strategy & Technology Team (PST) Reports to: Director of Product Development. Location: Schaumburg IL Hybrid schedule (in office Monday, Tuesday, Thursday). The Full Stack ...

DataDelivers LLC

Full Stack Engineer

Schaumburg, IL · On-site

$115K - $130K/yr

The Full Stack Engineer works alongside other developers on the Product Strategy & Technology (PST) team to build, maintain, and improve DataDelivers' core CDP product. This role owns feature ...

Embtel Inc

Java Web Architect

West Chicago, IL · On-site

Proficiency in RESTful APIs and API * Healthcare domain Experience preffered Dont Submit Java/J2EE Developer or Java Full Stack Developer or Java Back End Developer. But Java Full Stack with NodeJS ...

HHAeXchange

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 ...

Motorola

Full Stack .NET Developer

Schaumburg, IL · On-site

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 ...

Motorola

Senior DevOps Engineer (US REMOTE)

Schaumburg, IL · Remote

$140K - $170K/yr

Manage developer tooling * Ensure compliance with regulatory, compliance and security frameworks ... full stack Java-based applications Required Skills: * Citizenship: Must be a US Citizen. This ...

PeopleVeda

Full Stack Developer

Libertyville, IL · On-site

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 ...

PeopleVeda

Full Stack Developer

Libertyville, IL · On-site

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 ...

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All JobsFull Stack Java Developer JobsSenior Full Stack Java Developer JobsSenior Full Stack Java Developer Jobs in Crystal Lake, IL

Senior Full Stack Java Developer information

See Crystal Lake, IL salary details

$10

$56

$75

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

As of Aug 11, 2026, the average hourly pay for senior full stack java developer in Crystal Lake, IL is $56.32, according to ZipRecruiter salary data. Most workers in this role earn between $48.94 and $63.17 per hour, depending on experience, location, and employer.

What is a senior full stack Java developer?

Senior Full Stack Java Developers are experienced software professionals who design, develop, and maintain both the front-end and back-end components of web applications using Java and related technologies. They typically work with frameworks such as Spring Boot for the backend and may use JavaScript frameworks like Angular or React for the frontend. In addition to coding, they often lead development teams, make architectural decisions, and ensure best practices are followed throughout the software development lifecycle.

What are the key skills and qualifications needed to thrive as a senior full stack Java developer?

A Senior Full Stack Java Developer needs advanced proficiency in Java, front-end frameworks (such as Angular or React), and a solid understanding of databases, supported by a bachelor’s degree in computer science or related field. Experience with tools like Spring Boot, RESTful APIs, version control systems (e.g., Git), and cloud platforms is typically required, along with relevant certifications. Strong problem-solving, communication, and teamwork skills help developers effectively collaborate and deliver robust solutions. These competencies are crucial for building scalable applications, leading projects, and ensuring efficient development processes.

How much do senior full stack Java developers make?

Senior full stack Java developers typically earn between $100,000 and $150,000 annually, depending on experience, location, and industry. They often possess skills in frameworks like Spring and front-end technologies such as Angular or React, which can influence salary levels.

What are some common challenges senior full stack Java developers face when balancing backend and frontend responsibilities?

Senior Full Stack Java Developers often encounter the challenge of staying up-to-date with both backend Java frameworks and rapidly evolving frontend technologies. Balancing deep expertise in server-side development with proficiency in modern JavaScript frameworks (like React or Angular) can be demanding. Additionally, these professionals often need to effectively prioritize tasks between client and server development while collaborating with specialized frontend or backend team members. Time management, clear communication, and a willingness to learn new tools are essential for success in this multifaceted role.

Is a senior full stack Java developer still in demand?

Senior full stack Java developers remain in high demand due to their expertise in both front-end and back-end development, with skills in frameworks like Spring and Angular. Organizations seek these professionals for building scalable applications, especially in environments emphasizing cloud computing and microservices architecture.
What are popular job titles related to Senior Full Stack Java Developer jobs in Crystal Lake, IL? For Senior Full Stack Java Developer jobs in Crystal Lake, IL, the most frequently searched job titles are:
What cities near Crystal Lake, IL are hiring for Senior Full Stack Java Developer jobs? Cities near Crystal Lake, IL with the most Senior Full Stack Java Developer job openings:
Senior Full Stack Java Developer jobs near you
Infographic showing various Senior Full Stack Java Developer job openings in Crystal Lake, IL as of August 2026, with employment types broken down into 1% Internship, 83% Full Time, 10% Part Time, 5% Contract, and 1% Nights. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $117,153 per year, or $56.3 per hour.

Senior Full Stack Developer (.NET AI Focused)

Tech Tammina

Hoffman Estates, IL • On-site

Full-time

Re-posted 23 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

Apply