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Software Engineer Fullstack Jobs in Illinois (NOW HIRING)

HelloJoy

Lead Fullstack Software Engineer

Chicago, IL · On-site

$100K - $150K/yr

As a Lead Software Engineer... * You have 7+ years of experience shipping software as part of a product development team * You feel confident playing a lead role in technical analysis & design ...

HelloJoy

Lead Fullstack Software Engineer

Chicago, IL · On-site +1

As a Lead Software Engineer... * You have 7+ years of experience shipping software as part of a product development team * You feel confident playing a lead role in technical analysis & design ...

McMaster-Carr

Senior Software Engineer

Chicago, IL · On-site

$235K - $310K/yr

What You Bring * 4+ years of professional fullstack or backend software engineering experience (see our Software Engineer II role for earlier career experience) * Experience in delivering proof-of ...

McMaster-Carr

Lead Software Engineer

Chicago, IL · On-site

$235K - $310K/yr

What You Bring * 4+ years of professional fullstack or backend software engineering experience (see our Software Engineer II role for earlier career experience) * Experience in delivering proof-of ...

McMaster-Carr

Senior Software Engineer

Chicago, IL · On-site

$235K - $310K/yr

What You Bring * 4+ years of professional fullstack or backend software engineering experience (see our Software Engineer II role for earlier career experience ) * Experience in delivering ...

McMaster-Carr

Lead Software Engineer

Chicago, IL · On-site

$235K - $310K/yr

What You Bring * 4+ years of professional fullstack or backend software engineering experience (see our Software Engineer II role for earlier career experience ) * Experience in delivering ...

Yeah! Global

FullStack Developer

Chicago, IL · On-site

As a Fullstack Developer, you will be responsible for developing and maintaining both front-end and back-end components of our web applications. You will collaborate closely with other developers ...

Hudson River Trading

Fullstack Developer

Chicago, IL

Fullstack Developers at HRT work either on our platform team (i.e. you work on infrastructure & tooling that supports all of our research & trading capabilities) or our acceleration team (i.e. you ...

Zoro

Software Engineer II, Promos

Chicago, IL · On-site

As a Software Engineer II, you will: * Embrace an AI-first mindset and integrate AI-driven ... Strong understanding of the interplay between front-end and back-end technologies in a fullstack ...

Hudson River Trading

Fullstack Developer

Chicago, IL · On-site

Fullstack Developers at HRT work either on our platform team (i.e. you work on infrastructure & tooling that supports all of our research & trading capabilities) or our acceleration team (i.e. you ...

Photon

Fullstack Developer (Node JS + React JS)

Chicago, IL · On-site

$52.75 - $68.25/hr

Fullstack Developer (Node JS + React JS) Location: Chicago, IL About Us: For the past 20 years, we ... Passion for building high-quality software. Experience with Agile development methodologies is a ...

Navtech, Inc.

Fullstack Developers

Chicago, IL · On-site

Hello, I have an opportunity for "Fullstack Developers" and looking for a candidate who can join Immediately if you are interested reply me with your updated resume or consultant's contact details ...

Laksan Technologies

Java Fullstack Developer

Chicago, IL · On-site

$54 - $69.75/hr

Java Fullstack Developer Location: Chicago, Illinois Job Type: C2C Onsite Long-term We are looking ... deliver high-quality software.Participate in code reviews, design discussions, and agile ...

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Software Engineer Fullstack information

How does a software engineer fullstack typically collaborate with other team members during a project?

Fullstack Software Engineers often work closely with both frontend and backend specialists, designers, and product managers to deliver end-to-end solutions. They participate in agile ceremonies such as daily stand-ups, sprint planning, and code reviews, ensuring alignment across the development process. Effective communication and cross-functional collaboration are key, as fullstack engineers bridge the gap between user-facing features and backend services. This collaborative environment helps foster continuous learning and exposure to diverse technologies.

What is a software engineer fullstack?

A Software Engineer Fullstack is a professional who develops and maintains both the front-end (client side) and back-end (server side) components of web applications. They are proficient in a range of technologies, including user interface design, server programming, databases, and APIs. This role requires a broad understanding of how web applications work from end to end, enabling them to build complete, functional products. Fullstack engineers are valuable for their versatility and ability to collaborate across different areas of a development project.

What are the key skills and qualifications needed to thrive as a software engineer fullstack?

To thrive as a Software Engineer Fullstack, you need strong proficiency in both front-end (e.g., JavaScript, HTML/CSS, frameworks like React or Angular) and back-end (e.g., Node.js, Python, Java, databases) development, typically supported by a degree in computer science or related experience. Familiarity with version control systems like Git, CI/CD pipelines, cloud services, and relevant certifications (such as AWS Certified Developer or similar) is highly beneficial. Effective problem-solving, communication, and teamwork skills help you collaborate across multidisciplinary teams and adapt to evolving project requirements. These combined skills ensure you can build, maintain, and optimize complete web applications that meet both user and business needs.
What are popular job titles related to Software Engineer Fullstack jobs in Illinois? For Software Engineer Fullstack jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Software Engineer Fullstack jobs in Illinois look for? The top searched job categories for Software Engineer Fullstack jobs in Illinois are:
Software Engineer Fullstack jobs near you
Infographic showing various Software Engineer Fullstack job openings in Illinois as of July 2026, with employment types broken down into 96% Full Time, 2% Part Time, and 2% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution.

Lead Fullstack Software Engineer

HelloJoy

Chicago, IL • On-site

$100K - $150K/yr

Full-time

Medical, PTO

Re-posted 11 days ago

Job description

About HelloJoy
We're an early-stage, venture-backed startup based in Chicago building a new way to track and treat mental illness. Our mobile app monitors patients between office visits and collects continuous measures of symptoms, risk factors, and health behaviors. Using our web portal, psychologists and psychiatrists gain access to actionable insights which help personalize and improve care.
Research shows that when clinicians take a measurement-based care approach, patients are 2.5x more likely to reach remission and will do so in 1/2 the amount of time. We've started by digitizing existing clinical measures and automatically delivering, scoring, and interpreting them for clinicians. In doing so, we're building up a robust dataset of patient-reported outcomes and health behaviors. The long term vision is to use this data to build a better way to measure mental health, taking into account a wide range of data sources such as exercise, sleep, movement, and more.
We started HelloJoy because mental illness has silently grown into a deadly epidemic. Over 40 million Americans struggle with a mental health issue in any given year and the suicide rate has increased by nearly 30% since 1999. Nearly nearly everyone has either struggled themselves or knows someone who is struggling with a mental health issue.
Yet, there's a severe shortage of mental health providers - only 25,000 practicing psychiatrists across the country. Treatment is trial-and-error based, with over 70% of patients failing to respond to their first medication.
We're strong believers that you can't manage what you don't measure. Despite the proven research around measurement-based mental health care, less than 18% of providers are practicing this way today because they don't have the time nor the platform to do so. That's where we come in!
What's next
We recently launched version 1.0 of our measurement-based care software platform. We've got clinicians across the country using our platform with their patients. The next year is all about growth - our goal is to embed HelloJoy into the lives of hundreds of clinicians and their tens of thousands of patients by the end of 2019.
It's a challenging problem because we need to develop an experience that is personalized and dynamic to each clinician and each patient's needs. Capturing the right clinical measures at the right time and understanding each patient's symptoms, risk factors, and health behaviors is a crucial piece to the puzzle.
You'll be an important part of our core team and will get your hands dirty in code from day one. You'll play a key role in deciding how we should build new features, applications, and systems and will also influence what we should be building and why. You'll get a seat at the table in defining who else should be on our core team.
We find meaning in our work because it directly impacts an individual's wellbeing and quality of life. For too long, mental healthcare has remained the same. While other industries and parts of our lives have improved drastically with technology, somehow mental healthcare has gotten left behind. We're inspired and guided by the feedback we hear from clinicians and their patients about how our technology is making a difference in their lives. If we get this right, we have the potential to help millions of people across the globe.
We feel privileged to work on solving one of the most pressing problems of our time. If you're excited by this challenge, we'd love to hear from you.
As a Lead Software Engineer...
  • You have 7+ years of experience shipping software as part of a product development team
  • You feel confident playing a lead role in technical analysis & design, evaluating tradeoffs, and establishing best practices.
  • You love exploring hard problems and solving them with data-driven, iterative software development.
  • You have experience writing code across multiple languages, multiple frameworks, and multiple stacks. Our tech stack - Swift, React, NodeJS, and Python - is built on top of AWS. Experience in some or many of these languages/frameworks is a plus, but more importantly you're a quick learner.
  • You're comfortable and eager to collaborate with designers, product people, and other engineers and have an intense focus on solving problems for the end-user.
  • You know how and when to zoom out to the 30,000 foot view and when to roll up your sleeves and dive into the weeds.
Compensation/Benefits
  • Salary: 100k - 150k
  • Stock options
  • Health insurance
  • Flexible vacation
  • Flexibility to work from home as needed
  • Personal growth/development budget
  • Paternity/maternity leave

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