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Senior Full Stack Developer Jobs in Illinois (NOW HIRING)

InterSources

Senior Full stack developer

Chicago, IL · On-site

$56.25 - $74.25/hr

Senior Full stack developer Chicago , IL ( need locals ) -- 3 days onsite Tue, Wed, Thu 6 months C# / .NET Core, Angular (v6+ / v10 preferred), Web API , with 5+ years of professional software ...

Zmodo AI Inc

Senior Full Stack Developer

Champaign, IL · On-site

Senior Full Stack Developer At Smartz Inc, we rely on our dynamic team of engineers to solve the many challenges and puzzles that come with our rapidly evolving technical stack. Were seeking a full ...

Smartz

Senior Full Stack Developer

Champaign, IL · On-site

Senior Full Stack Developer At Smartz Inc, we rely on our dynamic team of engineers to solve the many challenges and puzzles that come with our rapidly evolving technical stack. We're seeking a full ...

Smartz

Senior Full Stack Developer

Champaign, IL

Senior Full Stack Developer At Smartz Inc, we rely on our dynamic team of engineers to solve the many challenges and puzzles that come with our rapidly evolving technical stack. We're seeking a full ...

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Senior Full Stack Developer information

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$23

$57

$83

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

As of May 28, 2026, the average hourly pay for senior full stack developer in Illinois is $57.42, according to ZipRecruiter salary data. Most workers in this role earn between $47.74 and $66.15 per hour, depending on experience, location, and employer.

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

To thrive as a Senior Full Stack Developer, you need advanced proficiency in both front-end and back-end programming languages, frameworks, and a solid understanding of software architecture, usually supported by a relevant degree and several years of experience. Mastery of tools such as Git, Docker, CI/CD systems, and cloud platforms like AWS or Azure is typically required, alongside familiarity with databases and version control systems. Strong problem-solving abilities, leadership, effective communication, and collaboration skills set exceptional developers apart. These skills and qualities are crucial for delivering robust, scalable solutions while mentoring teams and efficiently bridging gaps between client requirements and technical implementation.

How does a Senior Full Stack Developer typically collaborate with cross-functional teams during a project lifecycle?

As a Senior Full Stack Developer, you'll frequently collaborate with designers, product managers, QA engineers, and other developers to deliver end-to-end solutions. You'll be involved in requirements discussions, offer technical guidance, and help align frontend and backend development with business goals. Your role often includes code reviews, mentoring junior team members, and ensuring seamless integration across various systems. This collaborative environment encourages knowledge sharing and innovation while ensuring project success.

What are Senior Full Stack Developers?

Senior Full Stack Developers are experienced professionals who design, develop, and maintain both the front-end and back-end components of web applications. They are proficient in multiple programming languages and frameworks, enabling them to handle servers, databases, APIs, and user interfaces. In addition to coding, they often lead development teams, make architectural decisions, and ensure software quality and scalability. Their expertise allows them to oversee the entire application lifecycle, from concept to deployment.

What is the difference between Senior Full Stack Developer vs Backend Developer?

AspectSenior Full Stack DeveloperBackend Developer
Required SkillsProficiency in both frontend and backend technologies, such as JavaScript, HTML, CSS, and server-side languages like Node.js, Python, or JavaSpecialized in server-side development, working with languages like Java, Python, Ruby, or PHP, and database management
Work EnvironmentCollaborates across frontend and backend teams, often involved in full project lifecycleFocuses primarily on backend systems, APIs, and database integration
Common UsageUsed in roles requiring full project oversight and versatile development skillsUsed in roles focused on server-side logic, database management, and API development

The main difference is that a Senior Full Stack Developer handles both frontend and backend development, providing a comprehensive approach to projects, while a Backend Developer specializes solely in server-side logic and database management. Both roles require strong programming skills, but the Full Stack Developer's expertise spans the entire technology stack.

What are the most commonly searched types of Full Stack Developer jobs in Illinois? The most popular types of Full Stack Developer jobs in Illinois are:
What are popular job titles related to Senior Full Stack Developer jobs in Illinois? For Senior Full Stack Developer jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Senior Full Stack Developer jobs in Illinois look for? The top searched job categories for Senior Full Stack Developer jobs in Illinois are:
What cities in Illinois are hiring for Senior Full Stack Developer jobs? Cities in Illinois with the most Senior Full Stack Developer job openings:
Senior Full Stack Developer jobs near you
Infographic showing various Senior Full Stack Developer job openings in Illinois as of May 2026, with employment types broken down into 72% Full Time, and 28% Contract. Highlights an 100% In-person job distribution, with an average salary of $119,444 per year, or $57.4 per hour.
Senior .Net Full Stack Developer

Senior .Net Full Stack Developer

BCS Financial Corporation

Villa Park, IL • On-site

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

Senior.Net Full Stack Developer

The Senior.Net Full Stack Developer is responsible for building and maintaining secure, scalable applications that support key business functions across BCS. This includes back-end development using.NET Core and SQL Server, front-end interfaces with Angular/React/Blazor, and reporting tools such as Power BI and SSRS. This role will also develop APIs, managing data flows through Azure Data Factory, and contributing to architecture, DevOps, and security standards. The Senior Full Stack Developer will collaborate closely with business and IT teams, leading technical projects to deliver high-quality solutions that align with compliance and performance requirements.

The Senior Full Stack Developer will report to the Head of Software Solutions.

Essential Elements

  • Design and deploy enterprise-grade web applications and APIs using.NET Core and C#.
  • Build responsive and user-friendly front-end interfaces using Angular, React, or Blazor.
  • Optimize SQL Server performance through efficient queries, indexing, and stored procedures.
  • Develop Power BI dashboards and maintain SSRS reports to support business and regulatory needs.
  • Design ETL/ELT pipelines using Azure Data Factory to integrate insurance and financial data.
  • Collaborate with business units to deliver reporting and analytics solutions aligned to KPIs.
  • Ensure application security and compliance with HIPAA, SOC 2, and industry best practices.
  • Integrate internal systems with external data sources, brokers, and regulatory platforms.
  • Participate in code reviews, architecture discussions, and mentoring junior developers.
  • Support DevOps pipelines using Azure DevOps and CI/CD best practices.

Requirements

Education and Certifications

  • Bachelor's degree in Computer Science, Information Systems, or a related field required.
  • Microsoft certifications in Azure,.NET, or data analytics are a plus.

Experience

  • 10+ years in enterprise software development within insurance, finance, or regulated industries.
  • Expert in.NET Core, C#, SQL Server, and front-end frameworks (Angular/React/Blazor).
  • Experience building Power BI dashboards and working with SSRS reports.
  • Strong knowledge of Azure Data Factory and modern data integration strategies.
  • Proven track record in data modeling, system integration, and application security.
  • Excellent problem-solving skills and ability to communicate with technical and business users.

Travel Required

  • Local travel to Oakbrook Terrace, IL office.

Competencies

BCS Core Competencies

Informing, Customer Focus, Action Oriented, Drive for Results, Learning on the Fly, Courage

Apply