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Senior Full Stack Engineer Jobs in Illinois (NOW HIRING)

Doist

Senior Full-Stack Cloud Engineer

Chicago, IL · On-site

$140 - $180/hr

Role Summary OnTrac is seeking an experienced Senior Full-Stack Cloud Engineer to support our digital platform initiatives. In this role, you will design, build, test, and deploy modern full-Stack ...

New

Huntington

Senior Full Stack Developer

Chicago, IL · On-site +1

$70K - $140K/yr

  • Medical

  • Life

  • Retirement

  • PTO

Senior Full Stack Developer - In this senior role, the successful candidate will Design, Develop, Integrate, and Support Process Automation API development. Duties and Responsibilities: * Architect ...

Huntington

Senior Full Stack Developer

Chicago, IL · On-site +1

$70K - $140K/yr

  • Medical

  • Life

  • Retirement

  • PTO

Senior Full Stack Developer - In this senior role, the successful candidate will Design, Develop, Integrate, and Support Process Automation API development. Duties and Responsibilities: Architect ...

Huntington

Senior Full Stack Developer

Chicago, IL · On-site +1

$70K - $140K/yr

  • Medical

  • Life

  • Retirement

  • PTO

Senior Full Stack Developer - In this senior role, the successful candidate will Design, Develop, Integrate, and Support Process Automation API development. Duties and Responsibilities: * Architect ...

1 point system

Python Full Stack Engineer

Chicago, IL · On-site

Role Overview We are seeking an experienced Senior Full Stack Software Engineer to lead development efforts and contribute to the architecture and design of scalable applications. The ideal candidate ...

Spruce Infotech

Fullstack Developers (Sr)

Chicago, IL · On-site

Senior Full Stack Developer Job Summary Seeking a Senior Full Stack Developer to support a client in the insurance industry located in the western Chicago suburbs. This is a 9-month contract ...

Harbor Trusted Partnership

Full Stack Engineer

Chicago, IL · Hybrid

$160K - $180K/yr

Summary We are hiring a Full Stack Engineer to build production applications, APIs, leveraging the existing application platform and frameworks, together with the cutting-edge AI framework (Agentic ...

Robert Half

Full Stack Engineer

Chicago, IL · On-site

$160K - $180K/yr

Degrees in Mathematics, Statistics, Economics, or similar quantitative disciplines are also welcome * 3 to 6 years of experience in Software Engineering, Data Engineering, Full Stack Engineering, or ...

Apex Systems

Senior Full Stack Software Engineer

Chicago, IL · On-site

$120 - $160/hr

## # Senior Full Stack Software Engineer* Design, develop, and operate full stack cloud solutions in an AWS environment, using a serverless-first and managed-service-first approach (React, TypeScript, AWS ...

Navtech, Inc.

Full Stack .Net Developer

Chicago, IL · On-site

Position : Sr Full stack .NET developer Duration : 6+ Contract Location : Remote/Chicago, IL : * Minimum 10+ Years of development experience in modernized development environment * Programming ...

Ocra

Full-stack Engineer

Chicago, IL · On-site

$130K - $160K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

We're looking for a mid-level full-stack engineer who is energized by working in a small, distributed team where autonomy, curiosity, and adaptability matter more than rigid processes (but we do work ...

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Showing results 41-60

All JobsFull Stack Engineer JobsSenior Full Stack Engineer JobsSenior Full Stack Engineer Jobs in Illinois

Senior Full Stack Engineer information

See Illinois salary details

$43.1K

$130.6K

$184.6K

How much do senior full stack engineer jobs pay per year?

As of Aug 13, 2026, the average yearly pay for senior full stack engineer in Illinois is $130,596.00, according to ZipRecruiter salary data. Most workers in this role earn between $107,600.00 and $153,100.00 per year, depending on experience, location, and employer.

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

AspectSenior Full Stack EngineerSoftware Developer
CredentialsBachelor's degree in CS or related field; experience often requiredBachelor's degree in CS or related field; entry-level to mid-level experience
Work EnvironmentCollaborates across front-end and back-end teams, often in agile settingsFocuses on coding, testing, and debugging software applications
Industry UsageCommon in tech companies, startups, and enterprise software firmsWidely used across various industries for software development roles

While both roles involve coding and software development, a Senior Full Stack Engineer typically has broader responsibilities across both front-end and back-end systems, often with more experience and leadership duties compared to a Software Developer, who may focus on specific parts of the software stack.

What is a senior full stack engineer?

Senior Full Stack Engineers are experienced software developers who are proficient in both front-end and back-end technologies. They design, build, and maintain complex web applications, overseeing the entire software development process from user interface to server-side logic and databases. In addition to coding, they often mentor junior developers, lead technical decisions, and ensure best practices are followed throughout the project lifecycle. Their broad skill set allows them to bridge the gap between different development teams and deliver cohesive, high-quality solutions.

How do senior full stack engineers balance hands-on coding with mentoring and leading team projects?

Senior Full Stack Engineers often split their time between developing complex features, reviewing code, and guiding junior team members. Alongside hands-on coding, they play a key role in architectural decisions, ensuring code quality, and fostering best practices across the team. Effective communication and delegation skills are crucial, as they frequently collaborate with product managers, designers, and other engineers to align technical solutions with business goals. This balance provides opportunities for leadership growth while keeping technical skills sharp.

What are the key skills and qualifications needed to thrive as a senior full stack engineer, and why are they important?

To thrive as a Senior Full Stack Engineer, you need deep proficiency in front-end and back-end development, strong problem-solving skills, and a solid foundation in computer science, often supported by a relevant degree or equivalent experience. Familiarity with frameworks like React or Angular, back-end technologies such as Node.js or Java, cloud services, and version control systems like Git is typically required, along with experience in CI/CD and testing tools. Excellent communication, leadership, and collaboration skills help you guide teams and coordinate across disciplines. These skills are crucial for delivering scalable, high-quality software solutions and effectively leading complex projects.

What are the most commonly searched types of Full Stack Engineer jobs in Illinois?

The most popular types of Full Stack Engineer jobs in Illinois are:

What cities in Illinois are hiring for Senior Full Stack Engineer jobs?

Cities in Illinois with the most Senior Full Stack Engineer job openings:

Infographic showing various Senior Full Stack Engineer job openings in Illinois as of August 2026, with employment types broken down into 90% Full Time, 5% Part Time, and 5% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $130,596 per year, or $62.8 per hour.

Senior Full-Stack Cloud Engineer

Ontrac Solutions

Chicago, IL • On-site

$120 - $180/hr

Other

Posted 7 days ago

Job description

Role Summary

OnTrac is seeking an experienced Senior Full-Stack Cloud Engineer to support our digital platform initiatives. In this role, you will design, build, test, and deploy modern full-stack application features spanning a React frontend, a Node.js REST API, and a PostgreSQL database. Working alongside internal engineering resources and partner teams, you will also manage cloud deployments, infrastructure automation, and CI/CD pipelines on Google Cloud Platform (GCP) using Terraform and Docker.

Requirements & Qualifications
  • Google Cloud Certification: Active certification as a GCP Associate Cloud Engineer or Professional Cloud Developer (or equivalent demonstrated depth on Google Cloud).
  • Containerization: Hands-on experience with Docker for containerizing Node.js applications and managing containerized runtime environments.
  • Infrastructure as Code (IaC): Solid proficiency writing and managing Terraform scripts to provision GCP infrastructure.
  • CI/CD Expertise: Proven ability to configure and maintain automated build, test, and deployment pipelines using Google Cloud Build or GitHub Actions.
  • Full-Stack Proficiency:
    • Frontend: Strong experience building modern, responsive UI components in React directly from Figma designs.
    • Backend: Expertise designing, building, and securing RESTful APIs with Node.js.
    • Database: Deep knowledge of PostgreSQL, including relational data modeling, writing SQL queries, and managing schema migration scripts.
  • Testing Beyond Unit Level: Hands-on experience implementing integration and end-to-end (E2E) testing strategies (e.g., Cypress, Playwright, Supertest) alongside standard unit testing.
Key ResponsibilitiesApplication Engineering & Interface Development
  • Design and implement full-stack application features across the React frontend, Node.js backend, and PostgreSQL schema.
  • Translate design team mockups from Figma into clean, responsive, and reusable React components and views.
  • Build and maintain the REST API layer handling communication between frontend and backend services.
Database Design & Schema Management
  • Design and evolve the PostgreSQL relational data model to support new application capabilities.
  • Author SQL queries and write schema migration scripts to execute database updates safely across environments.
Testing & Quality Assurance
  • Write unit tests for new and modified code as a standard part of the software development lifecycle.
  • Build and maintain integration and end-to-end (E2E) tests to validate user journeys and system interactions beyond the unit level.
GCP Infrastructure & DevOps
  • Provision, deploy, and configure application components on Google Cloud Platform—including runtime services, managed PostgreSQL (Cloud SQL), and Cloud Storage—using Terraform.
  • Set up, optimize, and maintain CI/CD pipelines covering automated builds, test execution, container image generation, and deployments.
Technical Alignment & Documentation
  • Participate in collaborative working sessions with OnTrac project teams and external partner stakeholders (such as SADA) to define requirements and establish technical approaches.
  • Author and maintain comprehensive technical documentation, including system architecture, API contracts (OpenAPI/Swagger), and data models.
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